Merge branch '10.3' into bb-10.3-fix_len_dec

mysql-test/main/derived_view.result

@@ -2977,5 +2977,45 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1003	/* select#1 */ select straight_join `test`.`t1`.`c1` AS `c1` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`c1`,<exists>(/* select#3 */ select `test`.`t2`.`c2` from `test`.`t2` where <cache>(`test`.`t1`.`c1`) = `test`.`t2`.`c2`))
 DROP TABLE t1, t2;
+#
+# Bug mdev-16420: materialized view that renames columns
+#                 in inner part of outer join
+#
+CREATE TABLE t1 (id int, PRIMARY KEY (id));
+INSERT INTO t1 VALUES (2), (3), (7), (1);
+CREATE VIEW v1 AS SELECT * FROM t1;
+CREATE  VIEW v2 AS SELECT v1.id AS order_pk FROM v1 GROUP BY v1.id;
+CREATE  VIEW v3 AS
+SELECT t.id AS order_pk FROM (SELECT * FROM t1) AS t GROUP BY t.id;
+SELECT * FROM t1  LEFT JOIN v2  ON t1.id=v2.order_pk;
+id	order_pk
+1	1
+2	2
+3	3
+7	7
+EXPLAIN EXTENDED
+SELECT * FROM t1  LEFT JOIN v2  ON t1.id=v2.order_pk;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	4	100.00	Using index
+1	PRIMARY	<derived2>	ref	key0	key0	5	test.t1.id	2	100.00	
+2	DERIVED	t1	index	PRIMARY	PRIMARY	4	NULL	4	100.00	Using index; Using filesort
+Warnings:
+Note	1003	/* select#1 */ select `test`.`t1`.`id` AS `id`,`v2`.`order_pk` AS `order_pk` from `test`.`t1` left join `test`.`v2` on(`v2`.`order_pk` = `test`.`t1`.`id`) where 1
+SELECT * FROM t1  LEFT JOIN v3  ON t1.id=v3.order_pk;
+id	order_pk
+1	1
+2	2
+3	3
+7	7
+EXPLAIN EXTENDED
+SELECT * FROM t1  LEFT JOIN v3  ON t1.id=v3.order_pk;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	4	100.00	Using index
+1	PRIMARY	<derived2>	ref	key0	key0	5	test.t1.id	2	100.00	
+2	DERIVED	t1	index	PRIMARY	PRIMARY	4	NULL	4	100.00	Using index; Using filesort
+Warnings:
+Note	1003	/* select#1 */ select `test`.`t1`.`id` AS `id`,`v3`.`order_pk` AS `order_pk` from `test`.`t1` left join `test`.`v3` on(`v3`.`order_pk` = `test`.`t1`.`id`) where 1
+DROP VIEW v1,v2,v3;
+DROP TABLE t1;
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;

mysql-test/main/derived_view.test

@@ -1949,6 +1949,30 @@ eval EXPLAIN EXTENDED $q;
 
 DROP TABLE t1, t2;
 
+--echo #
+--echo # Bug mdev-16420: materialized view that renames columns
+--echo #                 in inner part of outer join
+--echo #
+
+CREATE TABLE t1 (id int, PRIMARY KEY (id));
+INSERT INTO t1 VALUES (2), (3), (7), (1);
+
+CREATE VIEW v1 AS SELECT * FROM t1;
+CREATE  VIEW v2 AS SELECT v1.id AS order_pk FROM v1 GROUP BY v1.id;
+CREATE  VIEW v3 AS
+SELECT t.id AS order_pk FROM (SELECT * FROM t1) AS t GROUP BY t.id;
+
+SELECT * FROM t1  LEFT JOIN v2  ON t1.id=v2.order_pk;
+EXPLAIN EXTENDED
+SELECT * FROM t1  LEFT JOIN v2  ON t1.id=v2.order_pk;
+
+SELECT * FROM t1  LEFT JOIN v3  ON t1.id=v3.order_pk;
+EXPLAIN EXTENDED
+SELECT * FROM t1  LEFT JOIN v3  ON t1.id=v3.order_pk;
+
+DROP VIEW v1,v2,v3;
+DROP TABLE t1;
+
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;

sql/sql_select.cc

@@ -16814,7 +16814,10 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
       if (result && modify_item)
         field->result_field= result;
       if (orig_item)
+      {
         item->maybe_null= save_maybe_null;
+        result->field_name= orig_item->name;
+      }
     } 
     else if (table_cant_handle_bit_fields && field->field->type() ==
              MYSQL_TYPE_BIT)

storage/spider/mysql-test/spider/r/spider_fixes_part.result

@@ -214,6 +214,37 @@ id
 10000
 connection master_1;
 
+Crash from b4a2baffa82e5c07b96a1c752228560dcac1359b (MDEV-11084)
+Fixed with 4968049799193394d442f26b4e3a8d95b185be72
+Spider crashed if the first partition was not used first
+connection master_1;
+CREATE TABLE ta_l2 (
+a INT,
+b CHAR(1),
+c DATETIME,
+PRIMARY KEY(a)
+) MASTER_1_ENGINE MASTER_1_COMMENT2_P_2_1
+INSERT INTO ta_l2 SELECT a, b, c FROM tb_l;
+Query a Spider table only using the second partition
+SELECT a,b,c FROM ta_l2 PARTITION (pt2);
+a	b	c
+4	d	2003-11-30 05:01:03
+5	c	2001-12-31 23:59:59
+Query a Spider table only using the first partition
+SELECT a,b,c FROM ta_l2 PARTITION (pt1);
+a	b	c
+1	a	2008-08-01 10:21:39
+2	b	2000-01-01 00:00:00
+3	e	2007-06-04 20:03:11
+Query a Spider table by all paritions, then the second partition
+SELECT min(a), max(a), min(b), max(b) FROM ta_l2;
+min(a)	max(a)	min(b)	max(b)
+1	5	a	e
+SELECT a,b,c FROM ta_l2 PARTITION (pt2);
+a	b	c
+4	d	2003-11-30 05:01:03
+5	c	2001-12-31 23:59:59
+
 deinit
 connection master_1;
 DROP DATABASE IF EXISTS auto_test_local;

storage/spider/mysql-test/spider/t/spider_fixes_part.test

@@ -616,6 +616,115 @@ if ($HAVE_PARTITION)
   }
 }
 
+--echo
+--echo Crash from b4a2baffa82e5c07b96a1c752228560dcac1359b (MDEV-11084)
+--echo Fixed with 4968049799193394d442f26b4e3a8d95b185be72
+--echo Spider crashed if the first partition was not used first
+if ($HAVE_PARTITION)
+{
+  if ($USE_CHILD_GROUP2)
+  {
+    if (!$OUTPUT_CHILD_GROUP2)
+    {
+      --disable_query_log
+      --disable_result_log
+    }
+    --connection child2_2
+    if ($OUTPUT_CHILD_GROUP2)
+    {
+      --disable_query_log
+      echo CHILD2_2_DROP_TABLES;
+      echo CHILD2_2_CREATE_TABLES;
+    }
+    --disable_warnings
+    eval $CHILD2_2_DROP_TABLES;
+    --enable_warnings
+    eval $CHILD2_2_CREATE_TABLES;
+    if ($OUTPUT_CHILD_GROUP2)
+    {
+      --enable_query_log
+    }
+    if ($USE_GENERAL_LOG)
+    {
+      TRUNCATE TABLE mysql.general_log;
+    }
+    --connection child2_1
+    if ($OUTPUT_CHILD_GROUP2)
+    {
+      --disable_query_log
+      echo CHILD2_1_DROP_TABLES2;
+      echo CHILD2_1_CREATE_TABLES2;
+    }
+    --disable_warnings
+    eval $CHILD2_1_DROP_TABLES2;
+    --enable_warnings
+    eval $CHILD2_1_CREATE_TABLES2;
+    if ($OUTPUT_CHILD_GROUP2)
+    {
+      --enable_query_log
+    }
+    if ($USE_GENERAL_LOG)
+    {
+      TRUNCATE TABLE mysql.general_log;
+    }
+    if (!$OUTPUT_CHILD_GROUP2)
+    {
+      --enable_query_log
+      --enable_result_log
+    }
+  }
+  --connection master_1
+  --disable_query_log
+  --disable_warnings
+  DROP TABLE IF EXISTS ta_l2;
+  --enable_warnings
+  echo CREATE TABLE ta_l2 (
+    a INT,
+    b CHAR(1),
+    c DATETIME,
+    PRIMARY KEY(a)
+  ) MASTER_1_ENGINE MASTER_1_COMMENT2_P_2_1;
+  eval CREATE TABLE ta_l2 (
+    a INT,
+    b CHAR(1),
+    c DATETIME,
+    PRIMARY KEY(a)
+  ) $MASTER_1_ENGINE $MASTER_1_COMMENT2_P_2_1;
+  --enable_query_log
+  INSERT INTO ta_l2 SELECT a, b, c FROM tb_l;
+  --echo Query a Spider table only using the second partition
+  SELECT a,b,c FROM ta_l2 PARTITION (pt2);
+  --echo Query a Spider table only using the first partition
+  SELECT a,b,c FROM ta_l2 PARTITION (pt1);
+  --echo Query a Spider table by all paritions, then the second partition
+  SELECT min(a), max(a), min(b), max(b) FROM ta_l2;
+  SELECT a,b,c FROM ta_l2 PARTITION (pt2);
+  if ($USE_CHILD_GROUP2)
+  {
+    if (!$OUTPUT_CHILD_GROUP2)
+    {
+      --disable_query_log
+      --disable_result_log
+    }
+    --connection child2_2
+    if ($USE_GENERAL_LOG)
+    {
+      SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
+    }
+    eval $CHILD2_2_SELECT_TABLES;
+    --connection child2_1
+    if ($USE_GENERAL_LOG)
+    {
+      SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
+    }
+    eval $CHILD2_1_SELECT_TABLES2;
+    if (!$OUTPUT_CHILD_GROUP2)
+    {
+      --enable_query_log
+      --enable_result_log
+    }
+  }
+}
 
 --echo
 --echo deinit