Merge 10.2 into 10.3

mysql-test/main/view.result

@@ -6777,6 +6777,49 @@ sum(z)
 DROP TABLE t1;
 DROP VIEW v1;
 #
+# MDEV-24454: Crash at change_item_tree
+#
+CREATE TABLE t1(f0 INT);
+CREATE VIEW v1 AS
+SELECT
+f0 AS f1
+FROM t1;
+CREATE VIEW v2 AS
+SELECT
+(SELECT GROUP_CONCAT(v1.f1 SEPARATOR ', ')
+FROM v1 n) AS f2,
+GROUP_CONCAT('' SEPARATOR ', ') AS f3
+FROM v1;
+CREATE VIEW v3 AS
+SELECT 1 as f4 FROM v2;
+CREATE PROCEDURE p1()
+SELECT * FROM v3;
+CALL p1();
+f4
+1
+CALL p1();
+f4
+1
+drop procedure p1;
+drop view v1,v2,v3;
+drop table t1;
+#
+# MDEV-25631: Crash in st_select_lex::mark_as_dependent with
+# VIEW, aggregate and subquery
+#
+CREATE TABLE t1 (i1 int);
+insert into t1 values (1),(2),(3);
+CREATE VIEW v1 AS
+SELECT t1.i1 FROM (t1 a JOIN t1 ON (t1.i1 = (SELECT t1.i1 FROM t1 b)));
+SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
+ERROR 21000: Subquery returns more than 1 row
+delete from t1 where i1 > 1;
+SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
+1
+1
+drop view v1;
+drop table t1;
+#
 # End of 10.2 tests
 #
 #

mysql-test/main/view.test

@@ -6499,6 +6499,55 @@ SELECT sum(z) FROM v1;
 DROP TABLE t1;
 DROP VIEW v1;
 
+--echo #
+--echo # MDEV-24454: Crash at change_item_tree
+--echo #
+
+CREATE TABLE t1(f0 INT);
+
+CREATE VIEW v1 AS
+SELECT
+  f0 AS f1
+FROM t1;
+
+CREATE VIEW v2 AS
+SELECT
+  (SELECT GROUP_CONCAT(v1.f1 SEPARATOR ', ')
+   FROM v1 n) AS f2,
+  GROUP_CONCAT('' SEPARATOR ', ') AS f3
+FROM v1;
+
+CREATE VIEW v3 AS
+SELECT 1 as f4 FROM v2;
+
+CREATE PROCEDURE p1()
+  SELECT * FROM v3;
+
+CALL p1();
+CALL p1();
+
+drop procedure p1;
+drop view v1,v2,v3;
+drop table t1;
+
+--echo #
+--echo # MDEV-25631: Crash in st_select_lex::mark_as_dependent with
+--echo # VIEW, aggregate and subquery
+--echo #
+
+CREATE TABLE t1 (i1 int);
+insert into t1 values (1),(2),(3); #not important
+CREATE VIEW v1 AS
+	SELECT t1.i1 FROM (t1 a JOIN t1 ON (t1.i1 = (SELECT t1.i1 FROM t1 b)));
+
+--error ER_SUBQUERY_NO_1_ROW
+SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
+delete from t1 where i1 > 1;
+SELECT 1 FROM (SELECT count(((SELECT i1 FROM v1))) FROM v1) dt ;
+
+drop view v1;
+drop table t1;
+
 --echo #
 --echo # End of 10.2 tests
 --echo #

mysql-test/suite/galera/r/galera_fulltext.result

@@ -34,31 +34,3 @@ COUNT(f1) = 1000
 1
 DROP TABLE t1;
 DROP TABLE ten;
-connection node_1;
-SET @value=REPEAT (1,5001);
-CREATE TABLE t (a VARCHAR(5000),FULLTEXT (a)) engine=innodb DEFAULT CHARSET=utf8;
-INSERT IGNORE INTO t VALUES(@value);
-Warnings:
-Warning	1265	Data truncated for column 'a' at row 1
-SELECT COUNT(*) FROM t;
-COUNT(*)
-1
-connection node_2;
-SELECT COUNT(*) FROM t;
-COUNT(*)
-1
-connection node_1;
-DROP TABLE t;
-CREATE TABLE t (a VARCHAR(5000)) engine=innodb DEFAULT CHARSET=utf8;
-INSERT IGNORE INTO t VALUES(@value);
-Warnings:
-Warning	1265	Data truncated for column 'a' at row 1
-SELECT COUNT(*) FROM t;
-COUNT(*)
-1
-connection node_2;
-SELECT COUNT(*) FROM t;
-COUNT(*)
-1
-connection node_1;
-DROP TABLE t;

mysql-test/suite/galera/t/galera_fulltext.test

---source include/big_test.inc
 --source include/galera_cluster.inc
---source include/have_innodb.inc
 
 #
 # InnoDB FULLTEXT indexes
@@ -63,24 +61,25 @@ DROP TABLE ten;
 
 #
 # Case 2: UTF-8
+# TODO: MDEV-24978
 #
---connection node_1
-SET @value=REPEAT (1,5001);
-CREATE TABLE t (a VARCHAR(5000),FULLTEXT (a)) engine=innodb DEFAULT CHARSET=utf8;
-INSERT IGNORE INTO t VALUES(@value);
-SELECT COUNT(*) FROM t;
-
---connection node_2
-SELECT COUNT(*) FROM t;
-
---connection node_1
-DROP TABLE t;
-CREATE TABLE t (a VARCHAR(5000)) engine=innodb DEFAULT CHARSET=utf8;
-INSERT IGNORE INTO t VALUES(@value);
-SELECT COUNT(*) FROM t;
-
---connection node_2
-SELECT COUNT(*) FROM t;
-
---connection node_1
-DROP TABLE t;
+#--connection node_1
+#SET @value=REPEAT (1,5001);
+#CREATE TABLE t (a VARCHAR(5000),FULLTEXT (a)) engine=innodb DEFAULT CHARSET=utf8;
+#INSERT IGNORE INTO t VALUES(@value);
+#SELECT COUNT(*) FROM t;
+#
+#--connection node_2
+#SELECT COUNT(*) FROM t;
+#
+#--connection node_1
+#DROP TABLE t;
+#CREATE TABLE t (a VARCHAR(5000)) engine=innodb DEFAULT CHARSET=utf8;
+#INSERT IGNORE INTO t VALUES(@value);
+#SELECT COUNT(*) FROM t;
+#
+#--connection node_2
+#SELECT COUNT(*) FROM t;
+#
+#--connection node_1
+#DROP TABLE t;

mysql-test/suite/innodb/t/innodb_defrag_stats.test

@@ -8,77 +8,65 @@ SET GLOBAL innodb_defragment_stats_accuracy = 20;
 DELETE FROM mysql.innodb_index_stats;
 
 --echo # Create table.
-CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(256), KEY SECOND(a, b)) ENGINE=INNODB;
+CREATE TABLE t1 (a INT PRIMARY KEY AUTO_INCREMENT, b VARCHAR(256),
+                 KEY SECOND(a, b)) ENGINE=INNODB STATS_PERSISTENT=0;
 
-INSERT INTO t1 SELECT seq, REPEAT('A', 256) FROM seq_1_to_1024;
+INSERT INTO t1 SELECT 100*FLOOR(seq/70)+seq%70, REPEAT('A', 256)
+FROM seq_1_to_1024;
 
 --echo # Not enough page splits to trigger persistent stats write yet.
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
-
-INSERT INTO t1 SELECT seq, REPEAT('A', 256) FROM seq_1025_to_2048;
+SELECT * FROM mysql.innodb_index_stats;
 
---echo # Persistent stats recorded.
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
+INSERT INTO t1 SELECT 100*FLOOR(seq/70)+seq%70, REPEAT('A', 256)
+FROM seq_1025_to_1433;
 
---echo # Delete some rows.
 BEGIN;
 let $num_delete = 20;
 while ($num_delete)
 {
-    let $j = 100 * $num_delete;
-    eval delete from t1 where a between $j and $j + 30;
+    eval INSERT INTO t1 SELECT 100*$num_delete+seq, REPEAT('A', 256)
+    FROM seq_70_to_99;
     dec $num_delete;
 }
-COMMIT;
+ROLLBACK;
+
+SELECT @@GLOBAL.innodb_force_recovery<2 "have background defragmentation";
+
+# Wait for defrag_pool to be processed.
 
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
+let $wait_timeout=30;
+let $wait_condition = SELECT COUNT(*)>0 FROM mysql.innodb_index_stats;
+--source include/wait_condition.inc
+
+--sorted_result
+SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
 
 optimize table t1;
 
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
+--sorted_result
+SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
 
 set global innodb_defragment_stats_accuracy = 40;
 
 INSERT INTO t1 (b) SELECT b from t1;
 
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
-
+--sorted_result
+SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
 
 INSERT INTO t1 (b) SELECT b from t1;
 
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
-
+--sorted_result
+SELECT stat_name FROM mysql.innodb_index_stats WHERE table_name='t1';
 
 --echo # Table rename should cause stats rename.
 rename table t1 to t2;
 
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');
-select count(stat_value) = 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');
-
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t2%' and  stat_name in ('n_page_split');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t2%' and  stat_name in ('n_pages_freed');
-select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t2%' and  stat_name in ('n_leaf_pages_defrag');
+--sorted_result
+SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
 
 --echo # Drop index should cause stats drop, but will not.
 drop index SECOND on t2;
 
---sorted_result
-SELECT stat_name, stat_value>0 FROM mysql.innodb_index_stats
-WHERE table_name like '%t2%' AND index_name='SECOND';
-
 --echo #
 --echo # MDEV-26636: Statistics must not be written for temporary tables
 --echo #
@@ -89,13 +77,13 @@ INSERT INTO t SELECT seq, '' FROM seq_1_to_100;
 
 --source include/restart_mysqld.inc
 
-SELECT * FROM mysql.innodb_index_stats where table_name like '%t1%';
-
 --sorted_result
-SELECT table_name, index_name, stat_name, stat_value>0
-FROM mysql.innodb_index_stats;
+SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
 
 --echo # Clean up
+# Starting with 10.6, DROP TABLE will not touch persistent statistics
+# (not defragmentation statistics either) if the table has none!
+ALTER TABLE t2 STATS_PERSISTENT=1;
 DROP TABLE t2;
 
 SELECT * FROM mysql.innodb_index_stats;

mysql-test/suite/plugins/r/feedback_plugin_load.result

@@ -24,3 +24,19 @@ VARIABLE_VALUE>0	VARIABLE_NAME
 1	Collation used latin1_swedish_ci
 1	Collation used utf8_bin
 1	Collation used utf8_general_ci
+prepare stmt from "SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK WHERE VARIABLE_NAME LIKE 'Collation used %' ORDER BY VARIABLE_NAME";
+execute stmt;
+VARIABLE_VALUE>0	VARIABLE_NAME
+1	Collation used binary
+1	Collation used latin1_bin
+1	Collation used latin1_swedish_ci
+1	Collation used utf8_bin
+1	Collation used utf8_general_ci
+execute stmt;
+VARIABLE_VALUE>0	VARIABLE_NAME
+1	Collation used binary
+1	Collation used latin1_bin
+1	Collation used latin1_swedish_ci
+1	Collation used utf8_bin
+1	Collation used utf8_general_ci
+deallocate prepare stmt;

mysql-test/suite/plugins/t/feedback_plugin_load.test

@@ -42,3 +42,10 @@ if (`SELECT VERSION() LIKE '%embedded%'`)
 SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK
 WHERE VARIABLE_NAME LIKE 'Collation used %'
 ORDER BY VARIABLE_NAME;
+
+prepare stmt from "SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK WHERE VARIABLE_NAME LIKE 'Collation used %' ORDER BY VARIABLE_NAME";
+
+execute stmt;
+execute stmt;
+
+deallocate prepare stmt;

plugin/feedback/feedback.cc

@@ -92,16 +92,18 @@ static COND * const OOM= (COND*)1;
 static COND* make_cond(THD *thd, TABLE_LIST *tables, LEX_STRING *filter)
 {
   Item_cond_or *res= NULL;
-  Name_resolution_context nrc;
+  /* A reference to this context will be stored in Item_field */
+  Name_resolution_context *nrc= new (thd->mem_root) Name_resolution_context;
   const char *db= tables->db.str, *table= tables->alias.str;
   LEX_CSTRING *field= &tables->table->field[0]->field_name;
   CHARSET_INFO *cs= &my_charset_latin1;
 
-  if (!filter->str)
+  if (!filter->str || !nrc)
     return 0;
 
-  nrc.init();
-  nrc.resolve_in_table_list_only(tables);
+  nrc->init();
+  nrc->resolve_in_table_list_only(tables);
+  nrc->select_lex= tables->select_lex;
 
   res= new (thd->mem_root) Item_cond_or(thd);
   if (!res)
@@ -109,7 +111,7 @@ static COND* make_cond(THD *thd, TABLE_LIST *tables, LEX_STRING *filter)
 
   for (; filter->str; filter++)
   {
-    Item_field  *fld= new (thd->mem_root) Item_field(thd, &nrc, db, table,
+    Item_field  *fld= new (thd->mem_root) Item_field(thd, nrc, db, table,
                                                      field);
     Item_string *pattern= new (thd->mem_root) Item_string(thd, filter->str,
                                                           (uint) filter->length, cs);

sql/item.h

@@ -2967,6 +2967,7 @@ class Item_ident :public Item_result_field
     Collect outer references
   */
   virtual bool collect_outer_ref_processor(void *arg);
+  Item *derived_field_transformer_for_having(THD *thd, uchar *arg);
   friend bool insert_fields(THD *thd, Name_resolution_context *context,
                             const char *db_name,
                             const char *table_name, List_iterator<Item> *it,

sql/item_subselect.cc

@@ -5186,8 +5186,9 @@ bool subselect_hash_sj_engine::make_semi_join_conds()
   tmp_table_ref->init_one_table(&empty_clex_str, &table_name, NULL, TL_READ);
   tmp_table_ref->table= tmp_table;
 
-  context= new Name_resolution_context;
+  context= new (thd->mem_root) Name_resolution_context;
   context->init();
+  context->select_lex= item_in->unit->first_select();
   context->first_name_resolution_table=
     context->last_name_resolution_table= tmp_table_ref;
   semi_join_conds_context= context;

sql/item_sum.cc

@@ -72,6 +72,7 @@ size_t Item_sum::ram_limitation(THD *thd)
 bool Item_sum::init_sum_func_check(THD *thd)
 {
   SELECT_LEX *curr_sel= thd->lex->current_select;
+  LEX *lex_s= (curr_sel ? curr_sel->parent_lex : thd->lex);
   if (curr_sel && curr_sel->name_visibility_map.is_clear_all())
   {
     for (SELECT_LEX *sl= curr_sel; sl; sl= sl->context.outer_select())
@@ -87,9 +88,9 @@ bool Item_sum::init_sum_func_check(THD *thd)
     return TRUE;
   }
   /* Set a reference to the nesting set function if there is  any */
-  in_sum_func= thd->lex->in_sum_func;
+  in_sum_func= lex_s->in_sum_func;
   /* Save a pointer to object to be used in items for nested set functions */
-  thd->lex->in_sum_func= this;
+  lex_s->in_sum_func= this;
   nest_level= thd->lex->current_select->nest_level;
   ref_by= 0;
   aggr_level= -1;
@@ -156,6 +157,7 @@ bool Item_sum::init_sum_func_check(THD *thd)
 bool Item_sum::check_sum_func(THD *thd, Item **ref)
 {
   SELECT_LEX *curr_sel= thd->lex->current_select;
+  LEX *lex_s= curr_sel->parent_lex;
   nesting_map allow_sum_func(thd->lex->allow_sum_func);
   allow_sum_func.intersect(curr_sel->name_visibility_map);
   bool invalid= FALSE;
@@ -318,7 +320,7 @@ bool Item_sum::check_sum_func(THD *thd, Item **ref)
   if (sum_func() == SP_AGGREGATE_FUNC)
     aggr_sel->set_custom_agg_func_used(true);
   update_used_tables();
-  thd->lex->in_sum_func= in_sum_func;
+  lex_s->in_sum_func= in_sum_func;
   return FALSE;
 }
 

sql/sql_base.cc

@@ -6736,6 +6736,7 @@ set_new_item_local_context(THD *thd, Item_ident *item, TABLE_LIST *table_ref)
   if (!(context= new (thd->mem_root) Name_resolution_context))
     return TRUE;
   context->init();
+  context->select_lex= table_ref->select_lex;
   context->first_name_resolution_table=
     context->last_name_resolution_table= table_ref;
   item->context= context;

sql/sql_prepare.cc

@@ -3027,6 +3027,7 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
   }
   for (; sl; sl= sl->next_select_in_list())
   {
+    sl->parent_lex->in_sum_func= NULL;
     if (sl->changed_elements & TOUCHED_SEL_COND)
     {
       /* remove option which was put by mysql_explain_union() */
@@ -3157,7 +3158,6 @@ void reinit_stmt_before_use(THD *thd, LEX *lex)
     lex->result->set_thd(thd);
   }
   lex->allow_sum_func.clear_all();
-  lex->in_sum_func= NULL;
   DBUG_VOID_RETURN;
 }