set optimizer_trace_max_mem_size=1048576;
SET end_markers_in_json=on;
SET optimizer_trace="enabled=on,one_line=off";
#
# BUG#12430646 - SEL_ARG::LEFT AND RIGHT POINTERS INCORRECTLY 
#                USED. CRASHES OPTIMIZER TRACING
#
CREATE TABLE t1 (
a INT,
b CHAR(2),
c INT,
d INT,
KEY (c),
KEY (d,a,b(2)),
KEY (b(1))
);
INSERT INTO t1 VALUES (NULL, 'a', 1, 2), (NULL, 'a', 1, 2),
(1,    'a', 1, 2), (1,    'a', 1, 2);
CREATE TABLE t2 (
a INT,
c INT,
e INT,
KEY (e)
);
INSERT INTO t2 VALUES (1, 1, NULL), (1, 1, NULL);
SELECT 1
FROM t1, t2
WHERE t1.d <> '1' AND t1.b > '1'
AND t1.a = t2.a AND t1.c = t2.c;
1
1
1
1
1
DROP TABLE t1, t2;
#
# BUG#12595210 - JSON SYNTAX ERROR ASSERT ON WHERE FIELD NOT IN SUBQUERY
#
CREATE TABLE t1 (  
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t2 (  
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
col_varchar_nokey VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t3 (  
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
col_varchar_nokey VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t4 (
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE VIEW view_t4 AS SELECT * FROM t4;
CREATE TABLE where_subselect_19379 SELECT
(
SELECT SUM(sq1_alias1.pk) AS sq1_field1
FROM view_t4 AS sq1_alias1
INNER JOIN t1 AS sq1_alias2 ON  (sq1_alias2.col_varchar_key =
sq1_alias1.col_varchar_key )
) AS field1,
alias1.col_varchar_nokey AS field2
FROM (t2 AS alias1
LEFT JOIN ( t2 AS alias2
LEFT OUTER JOIN t2 AS alias3 ON  (alias3.col_varchar_nokey =
alias2.col_varchar_key )
) ON (alias3.col_varchar_key = alias2.col_varchar_key)
)
WHERE  ( alias2.col_varchar_key IN (
SELECT sq2_alias1.col_varchar_nokey AS sq2_field1
FROM t3 AS sq2_alias1
WHERE sq2_alias1.col_varchar_nokey <= alias1.col_varchar_key
)
);
SELECT * FROM where_subselect_19379 WHERE (field1, field2) NOT IN
(SELECT
(
SELECT SUM(sq1_alias1.pk) AS sq1_field1
FROM view_t4 AS sq1_alias1
INNER JOIN t1 AS sq1_alias2 ON  (sq1_alias2.col_varchar_key =
sq1_alias1.col_varchar_key )
) AS field1,
alias1.col_varchar_nokey AS field2
FROM (t2 AS alias1
LEFT JOIN ( t2 AS alias2
LEFT OUTER JOIN t2 AS alias3 ON  (alias3.col_varchar_nokey =
alias2.col_varchar_key )
) ON (alias3.col_varchar_key = alias2.col_varchar_key)
)
WHERE  ( alias2.col_varchar_key IN (
SELECT sq2_alias1.col_varchar_nokey AS sq2_field1
FROM t3 AS sq2_alias1
WHERE sq2_alias1.col_varchar_nokey <= alias1.col_varchar_key
)
));
field1	field2
select * from information_schema.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
SELECT * FROM where_subselect_19379 WHERE (field1, field2) NOT IN
(SELECT
(
SELECT SUM(sq1_alias1.pk) AS sq1_field1
FROM view_t4 AS sq1_alias1
INNER JOIN t1 AS sq1_alias2 ON  (sq1_alias2.col_varchar_key =
sq1_alias1.col_varchar_key )
) AS field1,
alias1.col_varchar_nokey AS field2
FROM (t2 AS alias1
LEFT JOIN ( t2 AS alias2
LEFT OUTER JOIN t2 AS alias3 ON  (alias3.col_varchar_nokey =
alias2.col_varchar_key )
) ON (alias3.col_varchar_key = alias2.col_varchar_key)
)
WHERE  ( alias2.col_varchar_key IN (
SELECT sq2_alias1.col_varchar_nokey AS sq2_field1
FROM t3 AS sq2_alias1
WHERE sq2_alias1.col_varchar_nokey <= alias1.col_varchar_key
)
))	{
  "steps": [
    {
      "view": {
        "database": "test",
        "view": "sq1_alias1",
        "in_select#": 1,
        "select#": 5,
        "merged": true
      } /* view */
    },
    {
      "join_preparation": {
        "select#": 1,
        "steps": [
          {
            "join_preparation": {
              "select#": 2,
              "steps": [
                {
                  "join_preparation": {
                    "select#": 3,
                    "steps": [
                      {
                        "expanded_query": "/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))"
                      }
                    ] /* steps */
                  } /* join_preparation */
                },
                {
                  "join_preparation": {
                    "select#": 4,
                    "steps": [
                      {
                        "expanded_query": "/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where (`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`)"
                      },
                      {
                        "transformation": {
                          "select#": 4,
                          "from": "IN (SELECT)",
                          "to": "semijoin",
                          "chosen": false
                        } /* transformation */
                      },
                      {
                        "transformation": {
                          "select#": 4,
                          "from": "IN (SELECT)",
                          "to": "EXISTS (CORRELATED SELECT)",
                          "chosen": true,
                          "evaluating_constant_where_conditions": [
                          ] /* evaluating_constant_where_conditions */
                        } /* transformation */
                      }
                    ] /* steps */
                  } /* join_preparation */
                },
                {
                  "expanded_query": "/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where <in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`))))"
                },
                {
                  "transformation": {
                    "select#": 2,
                    "from": "IN (SELECT)",
                    "to": "semijoin",
                    "chosen": false
                  } /* transformation */
                },
                {
                  "transformation": {
                    "select#": 2,
                    "from": "IN (SELECT)",
                    "to": "EXISTS (CORRELATED SELECT)",
                    "chosen": true,
                    "evaluating_constant_where_conditions": [
                    ] /* evaluating_constant_where_conditions */,
                    "evaluating_constant_having_conditions": [
                    ] /* evaluating_constant_having_conditions */
                  } /* transformation */
                }
              ] /* steps */
            } /* join_preparation */
          },
          {
            "expanded_query": "/* select#1 */ select `where_subselect_19379`.`field1` AS `field1`,`where_subselect_19379`.`field2` AS `field2` from `where_subselect_19379` where (not(<in_optimizer>((`where_subselect_19379`.`field1`,`where_subselect_19379`.`field2`),<exists>(/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where (<in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`)))) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field1`) = (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))) or isnull((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))))), true) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field2`) = `alias1`.`col_varchar_nokey`) or isnull(`alias1`.`col_varchar_nokey`)), true)) having (<if>(outer_field_is_not_null, <is_not_null_test>((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))), true) and <if>(outer_field_is_not_null, <is_not_null_test>(`alias1`.`col_varchar_nokey`), true))))))"
          }
        ] /* steps */
      } /* join_preparation */
    },
    {
      "join_optimization": {
        "select#": 1,
        "steps": [
          {
            "condition_processing": {
              "condition": "WHERE",
              "original_condition": "(not(<in_optimizer>((`where_subselect_19379`.`field1`,`where_subselect_19379`.`field2`),<exists>(/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where (<in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`)))) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field1`) = (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))) or isnull((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))))), true) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field2`) = `alias1`.`col_varchar_nokey`) or isnull(`alias1`.`col_varchar_nokey`)), true)) having (<if>(outer_field_is_not_null, <is_not_null_test>((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))), true) and <if>(outer_field_is_not_null, <is_not_null_test>(`alias1`.`col_varchar_nokey`), true))))))",
              "steps": [
                {
                  "transformation": "equality_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "(not(<in_optimizer>((`where_subselect_19379`.`field1`,`where_subselect_19379`.`field2`),<exists>(/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where (<in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`)))) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field1`) = (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))) or isnull((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))))), true) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field2`) = `alias1`.`col_varchar_nokey`) or isnull(`alias1`.`col_varchar_nokey`)), true)) having (<if>(outer_field_is_not_null, <is_not_null_test>((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))), true) and <if>(outer_field_is_not_null, <is_not_null_test>(`alias1`.`col_varchar_nokey`), true))))))"
                },
                {
                  "transformation": "constant_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "(not(<in_optimizer>((`where_subselect_19379`.`field1`,`where_subselect_19379`.`field2`),<exists>(/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where (<in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`)))) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field1`) = (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))) or isnull((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))))), true) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field2`) = `alias1`.`col_varchar_nokey`) or isnull(`alias1`.`col_varchar_nokey`)), true)) having (<if>(outer_field_is_not_null, <is_not_null_test>((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))), true) and <if>(outer_field_is_not_null, <is_not_null_test>(`alias1`.`col_varchar_nokey`), true))))))"
                },
                {
                  "transformation": "trivial_condition_removal",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "(not(<in_optimizer>((`where_subselect_19379`.`field1`,`where_subselect_19379`.`field2`),<exists>(/* select#2 */ select (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))) AS `field1`,`alias1`.`col_varchar_nokey` AS `field2` from (`t2` `alias1` left join (`t2` `alias2` left join `t2` `alias3` on((`alias3`.`col_varchar_nokey` = `alias2`.`col_varchar_key`))) on((`alias3`.`col_varchar_key` = `alias2`.`col_varchar_key`))) where (<in_optimizer>(`alias2`.`col_varchar_key`,<exists>(/* select#4 */ select `sq2_alias1`.`col_varchar_nokey` AS `sq2_field1` from `t3` `sq2_alias1` where ((`sq2_alias1`.`col_varchar_nokey` <= `alias1`.`col_varchar_key`) and (<cache>(`alias2`.`col_varchar_key`) = `sq2_alias1`.`col_varchar_nokey`)))) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field1`) = (/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))) or isnull((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`)))))), true) and <if>(outer_field_is_not_null, ((<cache>(`where_subselect_19379`.`field2`) = `alias1`.`col_varchar_nokey`) or isnull(`alias1`.`col_varchar_nokey`)), true)) having (<if>(outer_field_is_not_null, <is_not_null_test>((/* select#3 */ select sum(`t4`.`pk`) AS `sq1_field1` from ((`t4`) join `t1` `sq1_alias2` on((`sq1_alias2`.`col_varchar_key` = `t4`.`col_varchar_key`))))), true) and <if>(outer_field_is_not_null, <is_not_null_test>(`alias1`.`col_varchar_nokey`), true))))))"
                }
              ] /* steps */
            } /* condition_processing */
          },
          {
            "table_dependencies": [
              {
                "table": "`where_subselect_19379`",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": [
                ] /* depends_on_map_bits */
              }
            ] /* table_dependencies */
          },
          {
            "ref_optimizer_key_uses": [
            ] /* ref_optimizer_key_uses */
          },
          {
            "rows_estimation": [
              {
                "table": "`where_subselect_19379`",
                "rows": 1,
                "cost": 1,
                "table_type": "system",
                "empty": true
              }
            ] /* rows_estimation */
          }
        ] /* steps */,
        "empty_result": {
          "cause": "no matching row in const table"
        } /* empty_result */
      } /* join_optimization */
    },
    {
      "join_execution": {
        "select#": 1,
        "steps": [
        ] /* steps */
      } /* join_execution */
    }
  ] /* steps */
}	0	0
drop table t1,t2,t3,t4,where_subselect_19379;
drop view view_t4;
#
# BUG#12607524 JSON PARSE ERROR ON SELECT ... FROM ... WHERE .. IN (SUBQUERY)
#
CREATE TABLE t1 (  
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (8,'g');
CREATE TABLE t2 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;
INSERT INTO t2 VALUES (7,'x');
CREATE TABLE where_subselect_19033  
SELECT
( SELECT col_int_key FROM t2 ) as field1
FROM t1
;
SELECT * FROM where_subselect_19033;
field1
7
SELECT field1
FROM where_subselect_19033
WHERE field1 IN
( SELECT
( SELECT col_int_key FROM t2 )
FROM t1
)
;
field1
7
SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
SELECT field1
FROM where_subselect_19033
WHERE field1 IN
( SELECT
( SELECT col_int_key FROM t2 )
FROM t1
)	{
  "steps": [
    {
      "join_preparation": {
        "select#": 1,
        "steps": [
          {
            "join_preparation": {
              "select#": 2,
              "steps": [
                {
                  "join_preparation": {
                    "select#": 3,
                    "steps": [
                      {
                        "expanded_query": "/* select#3 */ select `t2`.`col_int_key` from `t2`"
                      }
                    ] /* steps */
                  } /* join_preparation */
                },
                {
                  "expanded_query": "/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1`"
                },
                {
                  "transformation": {
                    "select#": 2,
                    "from": "IN (SELECT)",
                    "to": "semijoin",
                    "chosen": false
                  } /* transformation */
                },
                {
                  "transformation": {
                    "select#": 2,
                    "from": "IN (SELECT)",
                    "to": "EXISTS (CORRELATED SELECT)",
                    "chosen": true,
                    "evaluating_constant_where_conditions": [
                    ] /* evaluating_constant_where_conditions */
                  } /* transformation */
                }
              ] /* steps */
            } /* join_preparation */
          },
          {
            "expanded_query": "/* select#1 */ select `where_subselect_19033`.`field1` AS `field1` from `where_subselect_19033` where <in_optimizer>(`where_subselect_19033`.`field1`,<exists>(/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1` where (<cache>(`where_subselect_19033`.`field1`) = (/* select#3 */ select `t2`.`col_int_key` from `t2`))))"
          }
        ] /* steps */
      } /* join_preparation */
    },
    {
      "join_optimization": {
        "select#": 1,
        "steps": [
          {
            "condition_processing": {
              "condition": "WHERE",
              "original_condition": "<in_optimizer>(`where_subselect_19033`.`field1`,<exists>(/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1` where (<cache>(`where_subselect_19033`.`field1`) = (/* select#3 */ select `t2`.`col_int_key` from `t2`))))",
              "steps": [
                {
                  "transformation": "equality_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>(`where_subselect_19033`.`field1`,<exists>(/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1` where (<cache>(`where_subselect_19033`.`field1`) = (/* select#3 */ select `t2`.`col_int_key` from `t2`))))"
                },
                {
                  "transformation": "constant_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>(`where_subselect_19033`.`field1`,<exists>(/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1` where (<cache>(`where_subselect_19033`.`field1`) = (/* select#3 */ select `t2`.`col_int_key` from `t2`))))"
                },
                {
                  "transformation": "trivial_condition_removal",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>(`where_subselect_19033`.`field1`,<exists>(/* select#2 */ select (/* select#3 */ select `t2`.`col_int_key` from `t2`) from `t1` where (<cache>(`where_subselect_19033`.`field1`) = (/* select#3 */ select `t2`.`col_int_key` from `t2`))))"
                }
              ] /* steps */
            } /* condition_processing */
          },
          {
            "table_dependencies": [
              {
                "table": "`where_subselect_19033`",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": [
                ] /* depends_on_map_bits */
              }
            ] /* table_dependencies */
          },
          {
            "ref_optimizer_key_uses": [
            ] /* ref_optimizer_key_uses */
          },
          {
            "rows_estimation": [
              {
                "table": "`where_subselect_19033`",
                "rows": 1,
                "cost": 1,
                "table_type": "system",
                "empty": false
              }
            ] /* rows_estimation */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
                {
                  "join_optimization": {
                    "select#": 2,
                    "steps": [
                      {
                        "condition_processing": {
                          "condition": "WHERE",
                          "original_condition": "(<cache>('7') = (/* select#3 */ select `t2`.`col_int_key` from `t2`))",
                          "steps": [
                            {
                              "transformation": "equality_propagation",
                              "subselect_evaluation": [
                              ] /* subselect_evaluation */,
                              "resulting_condition": "(<cache>('7') = (/* select#3 */ select `t2`.`col_int_key` from `t2`))"
                            },
                            {
                              "transformation": "constant_propagation",
                              "subselect_evaluation": [
                              ] /* subselect_evaluation */,
                              "resulting_condition": "(<cache>('7') = (/* select#3 */ select `t2`.`col_int_key` from `t2`))"
                            },
                            {
                              "transformation": "trivial_condition_removal",
                              "subselect_evaluation": [
                              ] /* subselect_evaluation */,
                              "resulting_condition": "(<cache>('7') = (/* select#3 */ select `t2`.`col_int_key` from `t2`))"
                            }
                          ] /* steps */
                        } /* condition_processing */
                      },
                      {
                        "table_dependencies": [
                          {
                            "table": "`t1`",
                            "row_may_be_null": false,
                            "map_bit": 0,
                            "depends_on_map_bits": [
                            ] /* depends_on_map_bits */
                          }
                        ] /* table_dependencies */
                      },
                      {
                        "ref_optimizer_key_uses": [
                        ] /* ref_optimizer_key_uses */
                      },
                      {
                        "rows_estimation": [
                          {
                            "table": "`t1`",
                            "rows": 1,
                            "cost": 1,
                            "table_type": "system",
                            "empty": false
                          }
                        ] /* rows_estimation */
                      },
                      {
                        "transformation": {
                          "select#": 2,
                          "from": "IN (SELECT)",
                          "to": "EXISTS (CORRELATED SELECT)",
                          "put_1_in_SELECT_list": true
                        } /* transformation */
                      },
                      {
                        "attaching_conditions_to_tables": {
                          "original_condition": "(<cache>('7') = (/* select#3 */ select `t2`.`col_int_key` from `t2`))",
                          "attached_conditions_computation": [
                          ] /* attached_conditions_computation */,
                          "attached_conditions_summary": [
                          ] /* attached_conditions_summary */
                        } /* attaching_conditions_to_tables */
                      },
                      {
                        "refine_plan": [
                        ] /* refine_plan */
                      }
                    ] /* steps */
                  } /* join_optimization */
                },
                {
                  "join_execution": {
                    "select#": 2,
                    "steps": [
                      {
                        "subselect_execution": {
                          "select#": 3,
                          "steps": [
                            {
                              "join_optimization": {
                                "select#": 3,
                                "steps": [
                                  {
                                    "table_dependencies": [
                                      {
                                        "table": "`t2`",
                                        "row_may_be_null": false,
                                        "map_bit": 0,
                                        "depends_on_map_bits": [
                                        ] /* depends_on_map_bits */
                                      }
                                    ] /* table_dependencies */
                                  },
                                  {
                                    "rows_estimation": [
                                      {
                                        "table": "`t2`",
                                        "rows": 1,
                                        "cost": 1,
                                        "table_type": "system",
                                        "empty": false
                                      }
                                    ] /* rows_estimation */
                                  },
                                  {
                                    "attaching_conditions_to_tables": {
                                      "original_condition": null,
                                      "attached_conditions_computation": [
                                      ] /* attached_conditions_computation */,
                                      "attached_conditions_summary": [
                                      ] /* attached_conditions_summary */
                                    } /* attaching_conditions_to_tables */
                                  },
                                  {
                                    "refine_plan": [
                                    ] /* refine_plan */
                                  }
                                ] /* steps */
                              } /* join_optimization */
                            },
                            {
                              "join_execution": {
                                "select#": 3,
                                "steps": [
                                ] /* steps */
                              } /* join_execution */
                            }
                          ] /* steps */
                        } /* subselect_execution */
                      }
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "condition_on_constant_tables": "<in_optimizer>('7',<exists>(/* select#2 */ select 1 from dual where (<cache>('7') = (/* select#3 */ select '7' from dual))))",
            "condition_value": true
          },
          {
            "attaching_conditions_to_tables": {
              "original_condition": "<in_optimizer>('7',<exists>(/* select#2 */ select 1 from dual where (<cache>('7') = (/* select#3 */ select '7' from dual))))",
              "attached_conditions_computation": [
              ] /* attached_conditions_computation */,
              "attached_conditions_summary": [
              ] /* attached_conditions_summary */
            } /* attaching_conditions_to_tables */
          },
          {
            "refine_plan": [
            ] /* refine_plan */
          }
        ] /* steps */
      } /* join_optimization */
    },
    {
      "join_execution": {
        "select#": 1,
        "steps": [
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
                {
                  "join_execution": {
                    "select#": 2,
                    "steps": [
                      {
                        "subselect_execution": {
                          "select#": 3,
                          "steps": [
                          ] /* steps */
                        } /* subselect_execution */
                      }
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          }
        ] /* steps */
      } /* join_execution */
    }
  ] /* steps */
}	0	0
DROP TABLE where_subselect_19033,t1,t2;

# BUG#12612201 - SEGFAULT IN
# SUBSELECT_UNIQUESUBQUERY_ENGINE::PRINT WITH OPTIMIZER TRACE 

CREATE TABLE t1 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL
);
CREATE TABLE t2 (
pk int(11) NOT NULL AUTO_INCREMENT,
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (1,4,'v','v'),(20,5,'r','r');
CREATE TABLE t3 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL
);
INSERT INTO t3 VALUES (NULL,'j','j'),(8,'c','c');
CREATE TABLE where_updatedelete_20769 select  count(  alias2 . col_varchar_key ) as field1
from (
(select sq1_alias1 . *
from ( t3 as sq1_alias1
straight_join t1 as sq1_alias2
on (sq1_alias2 . col_varchar_key = sq1_alias1 . col_varchar_key)
)
where  sq1_alias1 . col_int_key  in (
select   c_sq1_alias1 . pk as c_sq1_field1
from t2 as c_sq1_alias1
)
) as alias1
left outer join t1 as alias2
on (alias2 . col_varchar_key = alias1 . col_varchar_key  )
)
where (  alias2 . col_varchar_key  in (
select   sq2_alias1 . col_varchar_nokey as sq2_field1
from t2 as sq2_alias1
where  sq2_alias1 . col_int_key  in (
select distinct  c_sq2_alias1 . col_int_key as c_sq2_field1
from t3 as c_sq2_alias1
)
) )
or alias1 . col_int_key = 2
and alias2 . col_varchar_nokey <= alias1 . col_varchar_nokey  
order by alias1 . col_varchar_key  , field1
;
UPDATE where_updatedelete_20769 SET field1 = ( select  count(  alias2 . col_varchar_key ) as field1
from (
(select sq1_alias1 . *
from ( t3 as sq1_alias1
straight_join t1 as sq1_alias2
on (sq1_alias2 . col_varchar_key = sq1_alias1 . col_varchar_key)
)
where  sq1_alias1 . col_int_key  in (
select   c_sq1_alias1 . pk as c_sq1_field1
from t2 as c_sq1_alias1
)
) as alias1
left outer join t1 as alias2
on (alias2 . col_varchar_key = alias1 . col_varchar_key  )
)
where (  alias2 . col_varchar_key  in (
select   sq2_alias1 . col_varchar_nokey as sq2_field1
from t2 as sq2_alias1
where  sq2_alias1 . col_int_key  in (
select distinct  c_sq2_alias1 . col_int_key as c_sq2_field1
from t3 as c_sq2_alias1
)
) )
or alias1 . col_int_key = 2
and alias2 . col_varchar_nokey <= alias1 . col_varchar_nokey  
order by alias1 . col_varchar_key  , field1
 );
DROP TABLE where_updatedelete_20769;
DROP TABLE t1,t2,t3;

# BUG#12710761 - INVALID JSON TRACE ON SUBQUERY IN IN-CLAUSE

CREATE TABLE t1 (col_int_key int, KEY col_int_key (col_int_key));
INSERT INTO t1 VALUES (0),(8),(1),(8);
CREATE TABLE where_subselect_20070
SELECT table2 .col_int_key AS field1,
( SELECT COUNT( col_int_key )
FROM t1
)
FROM t1 AS table1
JOIN t1 AS table2
ON table2 .col_int_key = table1 .col_int_key;
SELECT *
FROM where_subselect_20070
WHERE (field1, ( SELECT COUNT( col_int_key ) FROM t1 )) IN (
SELECT table2 .col_int_key AS field1,
( SELECT COUNT( col_int_key )
FROM t1
)
FROM t1 AS table1
JOIN t1 AS table2
ON table2 .col_int_key = table1 .col_int_key
);
field1	( SELECT COUNT( col_int_key )
FROM t1
)
0	4
1	4
8	4
8	4
8	4
8	4
select * from information_schema.optimizer_trace;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
SELECT *
FROM where_subselect_20070
WHERE (field1, ( SELECT COUNT( col_int_key ) FROM t1 )) IN (
SELECT table2 .col_int_key AS field1,
( SELECT COUNT( col_int_key )
FROM t1
)
FROM t1 AS table1
JOIN t1 AS table2
ON table2 .col_int_key = table1 .col_int_key
)	{
  "steps": [
    {
      "join_preparation": {
        "select#": 1,
        "steps": [
          {
            "join_preparation": {
              "select#": 3,
              "steps": [
                {
                  "join_preparation": {
                    "select#": 4,
                    "steps": [
                      {
                        "expanded_query": "/* select#4 */ select count(`t1`.`col_int_key`) from `t1`"
                      }
                    ] /* steps */
                  } /* join_preparation */
                },
                {
                  "expanded_query": "/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`)))"
                },
                {
                  "join_preparation": {
                    "select#": 2,
                    "steps": [
                      {
                        "expanded_query": "/* select#2 */ select count(`t1`.`col_int_key`) from `t1`"
                      }
                    ] /* steps */
                  } /* join_preparation */
                },
                {
                  "transformation": {
                    "select#": 3,
                    "from": "IN (SELECT)",
                    "to": "semijoin",
                    "chosen": false
                  } /* transformation */
                },
                {
                  "transformation": {
                    "select#": 3,
                    "from": "IN (SELECT)",
                    "to": "EXISTS (CORRELATED SELECT)",
                    "chosen": true,
                    "evaluating_constant_where_conditions": [
                    ] /* evaluating_constant_where_conditions */
                  } /* transformation */
                }
              ] /* steps */
            } /* join_preparation */
          },
          {
            "expanded_query": "/* select#1 */ select `where_subselect_20070`.`field1` AS `field1`,`where_subselect_20070`.`( SELECT COUNT( col_int_key )\nFROM t1\n)` AS `( SELECT COUNT( col_int_key )\nFROM t1\n)` from `where_subselect_20070` where <in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))"
          }
        ] /* steps */
      } /* join_preparation */
    },
    {
      "join_optimization": {
        "select#": 1,
        "steps": [
          {
            "condition_processing": {
              "condition": "WHERE",
              "original_condition": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))",
              "steps": [
                {
                  "transformation": "equality_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))"
                },
                {
                  "transformation": "constant_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))"
                },
                {
                  "transformation": "trivial_condition_removal",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))"
                }
              ] /* steps */
            } /* condition_processing */
          },
          {
            "table_dependencies": [
              {
                "table": "`where_subselect_20070`",
                "row_may_be_null": false,
                "map_bit": 0,
                "depends_on_map_bits": [
                ] /* depends_on_map_bits */
              }
            ] /* table_dependencies */
          },
          {
            "ref_optimizer_key_uses": [
            ] /* ref_optimizer_key_uses */
          },
          {
            "rows_estimation": [
              {
                "table": "`where_subselect_20070`",
                "table_scan": {
                  "rows": 6,
                  "cost": 2
                } /* table_scan */
              }
            ] /* rows_estimation */
          },
          {
            "considered_execution_plans": [
              {
                "plan_prefix": [
                ] /* plan_prefix */,
                "table": "`where_subselect_20070`",
                "best_access_path": {
                  "considered_access_paths": [
                    {
                      "access_type": "scan",
                      "rows": 6,
                      "cost": 3.219,
                      "chosen": true
                    }
                  ] /* considered_access_paths */
                } /* best_access_path */,
                "cost_for_plan": 3.219,
                "rows_for_plan": 6,
                "chosen": true
              }
            ] /* considered_execution_plans */
          },
          {
            "attaching_conditions_to_tables": {
              "original_condition": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))",
              "attached_conditions_computation": [
              ] /* attached_conditions_computation */,
              "attached_conditions_summary": [
                {
                  "table": "`where_subselect_20070`",
                  "attached": "<in_optimizer>((`where_subselect_20070`.`field1`,(/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)),<exists>(/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from (`t1` `table1` join `t1` `table2` on((`table2`.`col_int_key` = `table1`.`col_int_key`))) where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)))))"
                }
              ] /* attached_conditions_summary */
            } /* attaching_conditions_to_tables */
          },
          {
            "refine_plan": [
              {
                "table": "`where_subselect_20070`",
                "access_type": "table_scan"
              }
            ] /* refine_plan */
          }
        ] /* steps */
      } /* join_optimization */
    },
    {
      "join_execution": {
        "select#": 1,
        "steps": [
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
                {
                  "join_optimization": {
                    "select#": 2,
                    "steps": [
                      {
                        "table_dependencies": [
                          {
                            "table": "`t1`",
                            "row_may_be_null": false,
                            "map_bit": 0,
                            "depends_on_map_bits": [
                            ] /* depends_on_map_bits */
                          }
                        ] /* table_dependencies */
                      },
                      {
                        "rows_estimation": [
                          {
                            "table": "`t1`",
                            "table_scan": {
                              "rows": 4,
                              "cost": 2
                            } /* table_scan */
                          }
                        ] /* rows_estimation */
                      },
                      {
                        "considered_execution_plans": [
                          {
                            "plan_prefix": [
                            ] /* plan_prefix */,
                            "table": "`t1`",
                            "best_access_path": {
                              "considered_access_paths": [
                                {
                                  "access_type": "scan",
                                  "rows": 4,
                                  "cost": 2.8068,
                                  "chosen": true
                                }
                              ] /* considered_access_paths */
                            } /* best_access_path */,
                            "cost_for_plan": 2.8068,
                            "rows_for_plan": 4,
                            "chosen": true
                          }
                        ] /* considered_execution_plans */
                      },
                      {
                        "attaching_conditions_to_tables": {
                          "original_condition": null,
                          "attached_conditions_computation": [
                          ] /* attached_conditions_computation */,
                          "attached_conditions_summary": [
                            {
                              "table": "`t1`",
                              "attached": null
                            }
                          ] /* attached_conditions_summary */
                        } /* attaching_conditions_to_tables */
                      },
                      {
                        "refine_plan": [
                          {
                            "table": "`t1`",
                            "access_type": "index_scan"
                          }
                        ] /* refine_plan */
                      }
                    ] /* steps */
                  } /* join_optimization */
                },
                {
                  "join_execution": {
                    "select#": 2,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_optimization": {
                    "select#": 3,
                    "steps": [
                      {
                        "transformations_to_nested_joins": {
                          "transformations": [
                            "JOIN_condition_to_WHERE",
                            "parenthesis_removal"
                          ] /* transformations */,
                          "expanded_query": "/* select#3 */ select `table2`.`col_int_key` AS `field1`,(/* select#4 */ select count(`t1`.`col_int_key`) from `t1`) from `t1` `table1` join `t1` `table2` where ((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)) and (`table2`.`col_int_key` = `table1`.`col_int_key`))"
                        } /* transformations_to_nested_joins */
                      },
                      {
                        "condition_processing": {
                          "condition": "WHERE",
                          "original_condition": "((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)) and (`table2`.`col_int_key` = `table1`.`col_int_key`))",
                          "steps": [
                            {
                              "transformation": "equality_propagation",
                              "subselect_evaluation": [
                              ] /* subselect_evaluation */,
                              "resulting_condition": "((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)) and multiple equal(`table2`.`col_int_key`, `table1`.`col_int_key`))"
                            },
                            {
                              "transformation": "constant_propagation",
                              "subselect_evaluation": [
                              ] /* subselect_evaluation */,
                              "resulting_condition": "((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and (<cache>((/* select#2 */ select count(`t1`.`col_int_key`) from `t1`)) = (/* select#4 */ select count(`t1`.`col_int_key`) from `t1`)) and multiple equal(`table2`.`col_int_key`, `table1`.`col_int_key`))"
                            },
                            {
                              "transformation": "trivial_condition_removal",
                              "subselect_evaluation": [
                                {
                                  "subselect_execution": {
                                    "select#": 4,
                                    "steps": [
                                      {
                                        "join_optimization": {
                                          "select#": 4,
                                          "steps": [
                                            {
                                              "table_dependencies": [
                                                {
                                                  "table": "`t1`",
                                                  "row_may_be_null": false,
                                                  "map_bit": 0,
                                                  "depends_on_map_bits": [
                                                  ] /* depends_on_map_bits */
                                                }
                                              ] /* table_dependencies */
                                            },
                                            {
                                              "rows_estimation": [
                                                {
                                                  "table": "`t1`",
                                                  "table_scan": {
                                                    "rows": 4,
                                                    "cost": 2
                                                  } /* table_scan */
                                                }
                                              ] /* rows_estimation */
                                            },
                                            {
                                              "considered_execution_plans": [
                                                {
                                                  "plan_prefix": [
                                                  ] /* plan_prefix */,
                                                  "table": "`t1`",
                                                  "best_access_path": {
                                                    "considered_access_paths": [
                                                      {
                                                        "access_type": "scan",
                                                        "rows": 4,
                                                        "cost": 2.8068,
                                                        "chosen": true
                                                      }
                                                    ] /* considered_access_paths */
                                                  } /* best_access_path */,
                                                  "cost_for_plan": 2.8068,
                                                  "rows_for_plan": 4,
                                                  "chosen": true
                                                }
                                              ] /* considered_execution_plans */
                                            },
                                            {
                                              "attaching_conditions_to_tables": {
                                                "original_condition": null,
                                                "attached_conditions_computation": [
                                                ] /* attached_conditions_computation */,
                                                "attached_conditions_summary": [
                                                  {
                                                    "table": "`t1`",
                                                    "attached": null
                                                  }
                                                ] /* attached_conditions_summary */
                                              } /* attaching_conditions_to_tables */
                                            },
                                            {
                                              "refine_plan": [
                                                {
                                                  "table": "`t1`",
                                                  "access_type": "index_scan"
                                                }
                                              ] /* refine_plan */
                                            }
                                          ] /* steps */
                                        } /* join_optimization */
                                      },
                                      {
                                        "join_execution": {
                                          "select#": 4,
                                          "steps": [
                                          ] /* steps */
                                        } /* join_execution */
                                      }
                                    ] /* steps */
                                  } /* subselect_execution */
                                }
                              ] /* subselect_evaluation */,
                              "resulting_condition": "((<cache>(`where_subselect_20070`.`field1`) = `table2`.`col_int_key`) and multiple equal(`table2`.`col_int_key`, `table1`.`col_int_key`))"
                            }
                          ] /* steps */
                        } /* condition_processing */
                      },
                      {
                        "table_dependencies": [
                          {
                            "table": "`t1` `table1`",
                            "row_may_be_null": false,
                            "map_bit": 0,
                            "depends_on_map_bits": [
                            ] /* depends_on_map_bits */
                          },
                          {
                            "table": "`t1` `table2`",
                            "row_may_be_null": false,
                            "map_bit": 1,
                            "depends_on_map_bits": [
                            ] /* depends_on_map_bits */
                          }
                        ] /* table_dependencies */
                      },
                      {
                        "ref_optimizer_key_uses": [
                          {
                            "table": "`t1` `table1`",
                            "field": "col_int_key",
                            "equals": "<cache>(`where_subselect_20070`.`field1`)",
                            "null_rejecting": false
                          },
                          {
                            "table": "`t1` `table1`",
                            "field": "col_int_key",
                            "equals": "`table2`.`col_int_key`",
                            "null_rejecting": true
                          },
                          {
                            "table": "`t1` `table2`",
                            "field": "col_int_key",
                            "equals": "<cache>(`where_subselect_20070`.`field1`)",
                            "null_rejecting": false
                          },
                          {
                            "table": "`t1` `table2`",
                            "field": "col_int_key",
                            "equals": "`table1`.`col_int_key`",
                            "null_rejecting": true
                          }
                        ] /* ref_optimizer_key_uses */
                      },
                      {
                        "rows_estimation": [
                          {
                            "table": "`t1` `table1`",
                            "table_scan": {
                              "rows": 4,
                              "cost": 2
                            } /* table_scan */
                          },
                          {
                            "table": "`t1` `table2`",
                            "table_scan": {
                              "rows": 4,
                              "cost": 2
                            } /* table_scan */
                          }
                        ] /* rows_estimation */
                      },
                      {
                        "considered_execution_plans": [
                          {
                            "plan_prefix": [
                            ] /* plan_prefix */,
                            "table": "`t1` `table1`",
                            "best_access_path": {
                              "considered_access_paths": [
                                {
                                  "access_type": "ref",
                                  "index": "col_int_key",
                                  "rows": 2,
                                  "cost": 1.4233,
                                  "chosen": true
                                },
                                {
                                  "access_type": "scan",
                                  "cost": 2.8,
                                  "rows": 4,
                                  "cause": "cost",
                                  "chosen": false
                                }
                              ] /* considered_access_paths */
                            } /* best_access_path */,
                            "cost_for_plan": 1.4233,
                            "rows_for_plan": 2,
                            "rest_of_plan": [
                              {
                                "plan_prefix": [
                                  "`t1` `table1`"
                                ] /* plan_prefix */,
                                "table": "`t1` `table2`",
                                "best_access_path": {
                                  "considered_access_paths": [
                                    {
                                      "access_type": "ref",
                                      "index": "col_int_key",
                                      "rows": 2,
                                      "cost": 2.4465,
                                      "chosen": true
                                    },
                                    {
                                      "access_type": "scan",
                                      "using_join_cache": true,
                                      "rows": 3,
                                      "cost": 3.4069,
                                      "chosen": false
                                    }
                                  ] /* considered_access_paths */
                                } /* best_access_path */,
                                "cost_for_plan": 4.2698,
                                "rows_for_plan": 4,
                                "chosen": true
                              }
                            ] /* rest_of_plan */
                          },
                          {
                            "plan_prefix": [
                            ] /* plan_prefix */,
                            "table": "`t1` `table2`",
                            "best_access_path": {
                              "considered_access_paths": [
                                {
                                  "access_type": "ref",
                                  "index": "col_int_key",
                                  "rows": 2,
                                  "cost": 1.4233,
                                  "chosen": true
                                },
                                {
                                  "access_type": "scan",
                                  "cost": 2.8,
                                  "rows": 4,
                                  "cause": "cost",
                                  "chosen": false
                                }
                              ] /* considered_access_paths */
                            } /* best_access_path */,
                            "cost_for_plan": 1.4233,
                            "rows_for_plan": 2,
                            "rest_of_plan": [
                              {
                                "plan_prefix": [
                                  "`t1` `table2`"
                                ] /* plan_prefix */,
                                "table": "`t1` `table1`",
                                "best_access_path": {
                                  "considered_access_paths": [
                                    {
                                      "access_type": "ref",
                                      "index": "col_int_key",
                                      "rows": 2,
                                      "cost": 2.4465,
                                      "chosen": true
                                    },
                                    {
                                      "access_type": "scan",
                                      "using_join_cache": true,
                                      "rows": 3,
                                      "cost": 3.4069,
                                      "chosen": false
                                    }
                                  ] /* considered_access_paths */
                                } /* best_access_path */,
                                "cost_for_plan": 4.2698,
                                "rows_for_plan": 4,
                                "pruned_by_cost": true
                              }
                            ] /* rest_of_plan */
                          }
                        ] /* considered_execution_plans */
                      },
                      {
                        "transformation": {
                          "select#": 3,
                          "from": "IN (SELECT)",
                          "to": "EXISTS (CORRELATED SELECT)",
                          "put_1_in_SELECT_list": true
                        } /* transformation */
                      },
                      {
                        "attaching_conditions_to_tables": {
                          "original_condition": "((`table2`.`col_int_key` = `table1`.`col_int_key`) and (<cache>(`where_subselect_20070`.`field1`) = `table1`.`col_int_key`))",
                          "attached_conditions_computation": [
                          ] /* attached_conditions_computation */,
                          "attached_conditions_summary": [
                            {
                              "table": "`t1` `table1`",
                              "attached": null
                            },
                            {
                              "table": "`t1` `table2`",
                              "attached": "(`table2`.`col_int_key` = `table1`.`col_int_key`)"
                            }
                          ] /* attached_conditions_summary */
                        } /* attaching_conditions_to_tables */
                      },
                      {
                        "refine_plan": [
                          {
                            "table": "`t1` `table1`"
                          },
                          {
                            "table": "`t1` `table2`"
                          }
                        ] /* refine_plan */
                      }
                    ] /* steps */
                  } /* join_optimization */
                },
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 2,
              "steps": [
              ] /* steps */
            } /* subselect_execution */
          },
          {
            "subselect_execution": {
              "select#": 3,
              "steps": [
                {
                  "join_execution": {
                    "select#": 3,
                    "steps": [
                    ] /* steps */
                  } /* join_execution */
                }
              ] /* steps */
            } /* subselect_execution */
          }
        ] /* steps */
      } /* join_execution */
    }
  ] /* steps */
}	0	0
DROP TABLE where_subselect_20070,t1;
#
# Bug#13430443 - ASSERTION `NEW_TYPE[0] != 'U'' FAILED. WHEN
# OPTIMIZER_TRACE IS ENABLED
#
CREATE TABLE t1
(a INT,b INT,c INT, KEY(a),KEY (a,c)) ENGINE=INNODB;
SELECT 1 FROM t1 WHERE 1 LIKE
(SELECT a FROM t1 WHERE a = 1 ORDER BY c);
1
SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
QUERY	TRACE	MISSING_BYTES_BEYOND_MAX_MEM_SIZE	INSUFFICIENT_PRIVILEGES
SELECT 1 FROM t1 WHERE 1 LIKE
(SELECT a FROM t1 WHERE a = 1 ORDER BY c)	{
  "steps": [
    {
      "join_preparation": {
        "select#": 1,
        "steps": [
          {
            "join_preparation": {
              "select#": 2,
              "steps": [
                {
                  "expanded_query": "/* select#2 */ select `t1`.`a` from `t1` where (`t1`.`a` = 1) order by `t1`.`c`"
                }
              ] /* steps */
            } /* join_preparation */
          },
          {
            "expanded_query": "/* select#1 */ select 1 AS `1` from `t1` where (1 like (/* select#2 */ select `t1`.`a` from `t1` where (`t1`.`a` = 1) order by `t1`.`c`))"
          }
        ] /* steps */
      } /* join_preparation */
    },
    {
      "join_optimization": {
        "select#": 1,
        "steps": [
          {
            "condition_processing": {
              "condition": "WHERE",
              "original_condition": "(1 like (/* select#2 */ select `t1`.`a` from `t1` where (`t1`.`a` = 1) order by `t1`.`c`))",
              "steps": [
                {
                  "transformation": "equality_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "(1 like (/* select#2 */ select `t1`.`a` from `t1` where (`t1`.`a` = 1) order by `t1`.`c`))"
                },
                {
                  "transformation": "constant_propagation",
                  "subselect_evaluation": [
                  ] /* subselect_evaluation */,
                  "resulting_condition": "(1 like (/* select#2 */ select `t1`.`a` from `t1` where (`t1`.`a` = 1) order by `t1`.`c`))"
                },
                {
                  "transformation": "trivial_condition_removal",
                  "subselect_evaluation": [
                    {
                      "subselect_execution": {
                        "select#": 2,
                        "steps": [
                          {
                            "join_optimization": {
                              "select#": 2,
                              "steps": [
                                {
                                  "condition_processing": {
                                    "condition": "WHERE",
                                    "original_condition": "(`t1`.`a` = 1)",
                                    "steps": [
                                      {
                                        "transformation": "equality_propagation",
                                        "resulting_condition": "multiple equal(1, `t1`.`a`)"
                                      },
                                      {
                                        "transformation": "constant_propagation",
                                        "resulting_condition": "multiple equal(1, `t1`.`a`)"
                                      },
                                      {
                                        "transformation": "trivial_condition_removal",
                                        "resulting_condition": "multiple equal(1, `t1`.`a`)"
                                      }
                                    ] /* steps */
                                  } /* condition_processing */
                                },
                                {
                                  "table_dependencies": [
                                    {
                                      "table": "`t1`",
                                      "row_may_be_null": false,
                                      "map_bit": 0,
                                      "depends_on_map_bits": [
                                      ] /* depends_on_map_bits */
                                    }
                                  ] /* table_dependencies */
                                },
                                {
                                  "ref_optimizer_key_uses": [
                                    {
                                      "table": "`t1`",
                                      "field": "a",
                                      "equals": "1",
                                      "null_rejecting": false
                                    },
                                    {
                                      "table": "`t1`",
                                      "field": "a",
                                      "equals": "1",
                                      "null_rejecting": false
                                    }
                                  ] /* ref_optimizer_key_uses */
                                },
                                {
                                  "rows_estimation": [
                                    {
                                      "table": "`t1`",
                                      "range_analysis": {
                                        "table_scan": {
                                          "rows": 1,
                                          "cost": 3.3
                                        } /* table_scan */,
                                        "potential_range_indices": [
                                          {
                                            "index": "a",
                                            "usable": true,
                                            "key_parts": [
                                              "a"
                                            ] /* key_parts */
                                          },
                                          {
                                            "index": "a_2",
                                            "usable": true,
                                            "key_parts": [
                                              "a",
                                              "c"
                                            ] /* key_parts */
                                          }
                                        ] /* potential_range_indices */,
                                        "best_covering_index_scan": {
                                          "index": "a_2",
                                          "cost": 1.2,
                                          "chosen": true
                                        } /* best_covering_index_scan */,
                                        "setup_range_conditions": [
                                        ] /* setup_range_conditions */,
                                        "group_index_range": {
                                          "chosen": false,
                                          "cause": "not_group_by_or_distinct"
                                        } /* group_index_range */,
                                        "analyzing_range_alternatives": {
                                          "range_scan_alternatives": [
                                            {
                                              "index": "a",
                                              "ranges": [
                                                "1 <= a <= 1"
                                              ] /* ranges */,
                                              "index_dives_for_eq_ranges": true,
                                              "rowid_ordered": true,
                                              "using_mrr": false,
                                              "index_only": false,
                                              "rows": 1,
                                              "cost": 2.21,
                                              "chosen": false,
                                              "cause": "cost"
                                            },
                                            {
                                              "index": "a_2",
                                              "ranges": [
                                                "1 <= a <= 1"
                                              ] /* ranges */,
                                              "index_dives_for_eq_ranges": true,
                                              "rowid_ordered": false,
                                              "using_mrr": false,
                                              "index_only": true,
                                              "rows": 1,
                                              "cost": 2.21,
                                              "chosen": false,
                                              "cause": "cost"
                                            }
                                          ] /* range_scan_alternatives */,
                                          "analyzing_roworder_intersect": {
                                            "usable": false,
                                            "cause": "too_few_roworder_scans"
                                          } /* analyzing_roworder_intersect */
                                        } /* analyzing_range_alternatives */
                                      } /* range_analysis */
                                    }
                                  ] /* rows_estimation */
                                },
                                {
                                  "considered_execution_plans": [
                                    {
                                      "plan_prefix": [
                                      ] /* plan_prefix */,
                                      "table": "`t1`",
                                      "best_access_path": {
                                        "considered_access_paths": [
                                          {
                                            "access_type": "ref",
                                            "index": "a",
                                            "rows": 1,
                                            "cost": 1.2,
                                            "chosen": true
                                          },
                                          {
                                            "access_type": "ref",
                                            "index": "a_2",
                                            "rows": 1,
                                            "cost": 1.2,
                                            "chosen": false
                                          },
                                          {
                                            "access_type": "scan",
                                            "cause": "covering_index_better_than_full_scan",
                                            "chosen": false
                                          }
                                        ] /* considered_access_paths */
                                      } /* best_access_path */,
                                      "cost_for_plan": 1.2,
                                      "rows_for_plan": 1,
                                      "chosen": true
                                    }
                                  ] /* considered_execution_plans */
                                },
                                {
                                  "attaching_conditions_to_tables": {
                                    "original_condition": "(`t1`.`a` = 1)",
                                    "attached_conditions_computation": [
                                    ] /* attached_conditions_computation */,
                                    "attached_conditions_summary": [
                                      {
                                        "table": "`t1`",
                                        "attached": null
                                      }
                                    ] /* attached_conditions_summary */
                                  } /* attaching_conditions_to_tables */
                                },
                                {
                                  "clause_processing": {
                                    "clause": "ORDER BY",
                                    "original_clause": "`t1`.`c`",
                                    "items": [
                                      {
                                        "item": "`t1`.`c`"
                                      }
                                    ] /* items */,
                                    "resulting_clause_is_simple": true,
                                    "resulting_clause": "`t1`.`c`"
                                  } /* clause_processing */
                                },
                                {
                                  "refine_plan": [
                                    {
                                      "table": "`t1`"
                                    }
                                  ] /* refine_plan */
                                },
                                {
                                  "added_back_ref_condition": "((`t1`.`a` <=> 1))"
                                },
                                {
                                  "reconsidering_access_paths_for_index_ordering": {
                                    "clause": "ORDER BY",
                                    "index_order_summary": {
                                      "table": "`t1`",
                                      "index_provides_order": true,
                                      "order_direction": "asc",
                                      "index": "a_2",
                                      "plan_changed": true,
                                      "access_type": "ref"
                                    } /* index_order_summary */
                                  } /* reconsidering_access_paths_for_index_ordering */
                                }
                              ] /* steps */
                            } /* join_optimization */
                          },
                          {
                            "join_execution": {
                              "select#": 2,
                              "steps": [
                              ] /* steps */
                            } /* join_execution */
                          }
                        ] /* steps */
                      } /* subselect_execution */
                    }
                  ] /* subselect_evaluation */,
                  "resulting_condition": null
                }
              ] /* steps */
            } /* condition_processing */
          }
        ] /* steps */,
        "empty_result": {
          "cause": "Impossible WHERE"
        } /* empty_result */
      } /* join_optimization */
    },
    {
      "join_execution": {
        "select#": 1,
        "steps": [
        ] /* steps */
      } /* join_execution */
    }
  ] /* steps */
}	0	0
DROP TABLE t1;
