MDEV-7445:Server crash with Signal 6

MDEV-7565: Server crash with Signal 6 (part 2) followup test suite and its fix.

Author: sanja-byelkin

mysql-test/r/subselect.result

@@ -3590,7 +3590,7 @@ delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
 drop table t1, t2;
 CREATE TABLE t1 (a INT);
 CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
-ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
+ERROR 42S22: Unknown column 'no_such_column' in 'IN/ALL/ANY subquery'
 CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
 ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
 SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
@@ -7047,3 +7047,9 @@ call procedure2();
 ControlRev
 NULL
 drop procedure procedure2;
+SELECT
+(SELECT user FROM mysql.user
+WHERE h.host in (SELECT host FROM mysql.user)
+) AS sq
+FROM mysql.host h GROUP BY h.host;
+sq

mysql-test/r/subselect_no_mat.result

@@ -3594,7 +3594,7 @@ delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
 drop table t1, t2;
 CREATE TABLE t1 (a INT);
 CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
-ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
+ERROR 42S22: Unknown column 'no_such_column' in 'IN/ALL/ANY subquery'
 CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
 ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
 SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
@@ -7044,6 +7044,12 @@ call procedure2();
 ControlRev
 NULL
 drop procedure procedure2;
+SELECT
+(SELECT user FROM mysql.user
+WHERE h.host in (SELECT host FROM mysql.user)
+) AS sq
+FROM mysql.host h GROUP BY h.host;
+sq
 set optimizer_switch=default;
 select @@optimizer_switch like '%materialization=on%';
 @@optimizer_switch like '%materialization=on%'

mysql-test/r/subselect_no_opts.result

@@ -3590,7 +3590,7 @@ delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
 drop table t1, t2;
 CREATE TABLE t1 (a INT);
 CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
-ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
+ERROR 42S22: Unknown column 'no_such_column' in 'IN/ALL/ANY subquery'
 CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
 ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
 SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
@@ -7042,4 +7042,10 @@ call procedure2();
 ControlRev
 NULL
 drop procedure procedure2;
+SELECT
+(SELECT user FROM mysql.user
+WHERE h.host in (SELECT host FROM mysql.user)
+) AS sq
+FROM mysql.host h GROUP BY h.host;
+sq
 set @optimizer_switch_for_subselect_test=null;

mysql-test/r/subselect_no_scache.result

@@ -3596,7 +3596,7 @@ delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
 drop table t1, t2;
 CREATE TABLE t1 (a INT);
 CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
-ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
+ERROR 42S22: Unknown column 'no_such_column' in 'IN/ALL/ANY subquery'
 CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
 ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
 SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
@@ -7053,6 +7053,12 @@ call procedure2();
 ControlRev
 NULL
 drop procedure procedure2;
+SELECT
+(SELECT user FROM mysql.user
+WHERE h.host in (SELECT host FROM mysql.user)
+) AS sq
+FROM mysql.host h GROUP BY h.host;
+sq
 set optimizer_switch=default;
 select @@optimizer_switch like '%subquery_cache=on%';
 @@optimizer_switch like '%subquery_cache=on%'

mysql-test/r/subselect_no_semijoin.result

@@ -3590,7 +3590,7 @@ delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
 drop table t1, t2;
 CREATE TABLE t1 (a INT);
 CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
-ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
+ERROR 42S22: Unknown column 'no_such_column' in 'IN/ALL/ANY subquery'
 CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
 ERROR 42S22: Unknown column 'no_such_column' in 'where clause'
 SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
@@ -7042,5 +7042,11 @@ call procedure2();
 ControlRev
 NULL
 drop procedure procedure2;
+SELECT
+(SELECT user FROM mysql.user
+WHERE h.host in (SELECT host FROM mysql.user)
+) AS sq
+FROM mysql.host h GROUP BY h.host;
+sq
 set @optimizer_switch_for_subselect_test=null;
 set @join_cache_level_for_subselect_test=NULL;

mysql-test/t/subselect.test

@@ -5923,3 +5923,10 @@ call procedure2();
 call procedure2();
 
 drop procedure procedure2;
+
+
+SELECT
+ (SELECT user FROM mysql.user
+ WHERE h.host in (SELECT host FROM mysql.user)
+ ) AS sq
+FROM mysql.host h GROUP BY h.host;

sql/item_subselect.cc

@@ -2653,10 +2653,12 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
 {
  uint outer_cols_num;
  List<Item> *inner_cols;
+ char const *save_where= thd->where;
 
  if (test_strategy(SUBS_SEMI_JOIN))
  return !( (*ref)= new Item_int(1));
 
+ thd->where= "IN/ALL/ANY subquery";
  /*
  Check if the outer and inner IN operands match in those cases when we
  will not perform IN=>EXISTS transformation. Currently this is when we
@@ -2687,7 +2689,7 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
  if (outer_cols_num != inner_cols->elements)
  {
  my_error(ER_OPERAND_COLUMNS, MYF(0), outer_cols_num);
- return TRUE;
+ goto err;
  }
  if (outer_cols_num > 1)
  {
@@ -2697,20 +2699,24 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
  {
  inner_col= inner_col_it++;
  if (inner_col->check_cols(left_expr->element_index(i)->cols()))
- return TRUE;
+ goto err;
  }
  }
  }
 
- if (thd_arg->lex->is_view_context_analysis() &&
- left_expr && !left_expr->fixed &&
+ if (left_expr && !left_expr->fixed &&
  left_expr->fix_fields(thd_arg, &left_expr))
- return TRUE;
+ goto err;
  else
- if (Item_subselect::fix_fields(thd_arg, ref))
- return TRUE;
+  if (Item_subselect::fix_fields(thd_arg, ref))
+  goto err;
  fixed= TRUE;
+ thd->where= save_where;
  return FALSE;
+
+err:
+ thd->where= save_where;
+ return TRUE;
 }