Merge branch '5.5' into 10.0

725e47bf · Sergei Golubchik · eb302303 · 7d57ba6e · 725e47bf · 725e47bf
Commit 725e47bf authored May 20, 2017 by Sergei Golubchik
11 changed files
--- a/mysql-test/r/derived_view.result
+++ b/mysql-test/r/derived_view.result
@@ -2629,5 +2629,26 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	ref	idx	idx	5	test.t1.a	140	Using index; FirstMatch(t1)
 drop view v1;
 drop table t1,t2;
+#
+# Bug mdev-12812: mergeable derived / view with subqueries
+#                 NOT subject to semi-join optimizations
+#
+CREATE TABLE t1 (c1 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('foo'),('foo');
+CREATE TABLE t2 (c2 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES ('bar'),('qux'),('foo');
+SELECT STRAIGHT_JOIN * 
+FROM ( SELECT * FROM t1 WHERE c1 IN ( SELECT c2 FROM t2 ) ) AS sq;
+c1
+foo
+foo
+EXPLAIN EXTENDED SELECT STRAIGHT_JOIN * 
+FROM ( SELECT * FROM t1 WHERE c1 IN ( SELECT c2 FROM t2 ) ) AS sq;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select straight_join `test`.`t1`.`c1` AS `c1` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t2`.`c2` from `test`.`t2` where (<cache>(`test`.`t1`.`c1`) = `test`.`t2`.`c2`)))
+DROP TABLE t1, t2;
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
--- a/mysql-test/r/subselect_sj.result
+++ b/mysql-test/r/subselect_sj.result
@@ -3101,4 +3101,58 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	range	idx	idx	5	NULL	2	Using where; Using index; Using join buffer (flat, BNL join)
 drop table t1,t2;
 set optimizer_switch= @tmp_mdev12675;
+#
+# MDEV-12817: subquery NOT subject to semi-join optimizations  
+#             in ON expression of INNER JOIN
+#
+CREATE TABLE t1 (c1 int) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (c2 int) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (3),(4);
+CREATE TABLE t3 (c3 int) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (5),(6);
+CREATE TABLE t4 (c4 int) ENGINE=MyISAM;
+INSERT INTO t4 VALUES (7),(8);
+SELECT c1 
+FROM t1 
+LEFT JOIN
+( t2 INNER JOIN t3 ON ( 1 IN ( SELECT c4 FROM t4 ) ) )
+ON (c1 = c3);
+c1
+1
+2
+EXPLAIN EXTENDED SELECT c1 
+FROM t1 
+LEFT JOIN
+( t2 INNER JOIN t3 ON ( 1 IN ( SELECT c4 FROM t4 ) ) )
+ON (c1 = c3);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+2	SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`c1` AS `c1` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(((`test`.`t3`.`c3` = `test`.`t1`.`c1`) and <cache>(<in_optimizer>(1,<exists>(select `test`.`t4`.`c4` from `test`.`t4` where (1 = `test`.`t4`.`c4`)))))) where 1
+# mdev-12820
+SELECT *
+FROM t1
+LEFT JOIN
+( ( SELECT * FROM t2 WHERE c2 IN ( SELECT c3 FROM t3 ) ) AS sq INNER JOIN t4 )
+ON (c1 = c2);
+c1	c2	c4
+1	NULL	NULL
+2	NULL	NULL
+EXPLAIN EXTENDED SELECT *
+FROM t1
+LEFT JOIN
+( ( SELECT * FROM t2 WHERE c2 IN ( SELECT c3 FROM t3 ) ) AS sq INNER JOIN t4 )
+ON (c1 = c2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	
+3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2`,`test`.`t4`.`c4` AS `c4` from `test`.`t1` left join (`test`.`t2` join `test`.`t4`) on(((`test`.`t2`.`c2` = `test`.`t1`.`c1`) and <in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t3`.`c3` from `test`.`t3` where (<cache>(`test`.`t2`.`c2`) = `test`.`t3`.`c3`))))) where 1
+DROP TABLE t1,t2,t3,t4;
 set optimizer_switch=@subselect_sj_tmp;
--- a/mysql-test/r/subselect_sj_jcl6.result
+++ b/mysql-test/r/subselect_sj_jcl6.result
@@ -3115,6 +3115,60 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	range	idx	idx	5	NULL	2	Using where; Using index; Using join buffer (flat, BNL join)
 drop table t1,t2;
 set optimizer_switch= @tmp_mdev12675;
+#
+# MDEV-12817: subquery NOT subject to semi-join optimizations  
+#             in ON expression of INNER JOIN
+#
+CREATE TABLE t1 (c1 int) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (c2 int) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (3),(4);
+CREATE TABLE t3 (c3 int) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (5),(6);
+CREATE TABLE t4 (c4 int) ENGINE=MyISAM;
+INSERT INTO t4 VALUES (7),(8);
+SELECT c1 
+FROM t1 
+LEFT JOIN
+( t2 INNER JOIN t3 ON ( 1 IN ( SELECT c4 FROM t4 ) ) )
+ON (c1 = c3);
+c1
+1
+2
+EXPLAIN EXTENDED SELECT c1 
+FROM t1 
+LEFT JOIN
+( t2 INNER JOIN t3 ON ( 1 IN ( SELECT c4 FROM t4 ) ) )
+ON (c1 = c3);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (flat, BNL join)
+1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (incremental, BNL join)
+2	SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`c1` AS `c1` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(((`test`.`t3`.`c3` = `test`.`t1`.`c1`) and <cache>(<in_optimizer>(1,<exists>(select `test`.`t4`.`c4` from `test`.`t4` where (1 = `test`.`t4`.`c4`)))))) where 1
+# mdev-12820
+SELECT *
+FROM t1
+LEFT JOIN
+( ( SELECT * FROM t2 WHERE c2 IN ( SELECT c3 FROM t3 ) ) AS sq INNER JOIN t4 )
+ON (c1 = c2);
+c1	c2	c4
+1	NULL	NULL
+2	NULL	NULL
+EXPLAIN EXTENDED SELECT *
+FROM t1
+LEFT JOIN
+( ( SELECT * FROM t2 WHERE c2 IN ( SELECT c3 FROM t3 ) ) AS sq INNER JOIN t4 )
+ON (c1 = c2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (flat, BNL join)
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using join buffer (incremental, BNL join)
+3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2`,`test`.`t4`.`c4` AS `c4` from `test`.`t1` left join (`test`.`t2` join `test`.`t4`) on(((`test`.`t2`.`c2` = `test`.`t1`.`c1`) and <in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t3`.`c3` from `test`.`t3` where (<cache>(`test`.`t2`.`c2`) = `test`.`t3`.`c3`))))) where 1
+DROP TABLE t1,t2,t3,t4;
 set optimizer_switch=@subselect_sj_tmp;
 #
 # BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off

--- a/mysql-test/suite/rpl/r/rpl_mdev-11092.result
+++ b/mysql-test/suite/rpl/r/rpl_mdev-11092.result
+include/master-slave.inc
+[connection master]
+call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
+call mtr.add_suppression("Slave SQL: The incident LOST_EVENTS occured on the master. .*");
+SET GLOBAL max_binlog_cache_size = 4096;
+SET GLOBAL binlog_cache_size = 4096;
+SET GLOBAL max_binlog_stmt_cache_size = 4096;
+SET GLOBAL binlog_stmt_cache_size = 4096;
+CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MYISAM;
+ERROR HY000: Writing one row to the row-based binary log failed
+include/wait_for_slave_sql_error_and_skip.inc [errno=1590]
+SET GLOBAL max_binlog_cache_size= ORIGINAL_VALUE;
+SET GLOBAL binlog_cache_size= ORIGINAL_VALUE;
+SET GLOBAL max_binlog_stmt_cache_size= ORIGINAL_VALUE;
+SET GLOBAL binlog_stmt_cache_size= ORIGINAL_VALUE;
+DROP TABLE t1;
+include/rpl_end.inc
--- a/mysql-test/suite/rpl/t/rpl_mdev-11092.opt
+++ b/mysql-test/suite/rpl/t/rpl_mdev-11092.opt
+--binlog_checksum=1 --binlog-annotate-row-events=1
--- a/mysql-test/suite/rpl/t/rpl_mdev-11092.test
+++ b/mysql-test/suite/rpl/t/rpl_mdev-11092.test
+--source include/have_innodb.inc
+--source include/master-slave.inc
+--source include/not_embedded.inc
+--source include/not_windows.inc
+--source include/have_binlog_format_row.inc
+
+########################################################################################
+call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
+call mtr.add_suppression("Slave SQL: The incident LOST_EVENTS occured on the master. .*");
+
+let $old_max_binlog_cache_size= query_get_value(SHOW VARIABLES LIKE "max_binlog_cache_size", Value, 1);
+let $old_binlog_cache_size= query_get_value(SHOW VARIABLES LIKE "binlog_cache_size", Value, 1);
+let $old_max_binlog_stmt_cache_size= query_get_value(SHOW VARIABLES LIKE "max_binlog_stmt_cache_size", Value, 1);
+let $old_binlog_stmt_cache_size= query_get_value(SHOW VARIABLES LIKE "binlog_stmt_cache_size", Value, 1);
+
+SET GLOBAL max_binlog_cache_size = 4096;
+SET GLOBAL binlog_cache_size = 4096;
+SET GLOBAL max_binlog_stmt_cache_size = 4096;
+SET GLOBAL binlog_stmt_cache_size = 4096;
+disconnect master;
+connect (master,127.0.0.1,root,,test,$MASTER_MYPORT,);
+
+CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MYISAM;
+
+let $data = `select concat('"', repeat('a',2000), '"')`;
+
+connection master;
+
+--disable_query_log
+--error ER_BINLOG_ROW_LOGGING_FAILED
+eval INSERT INTO t1 (a, data) VALUES (2,
+       CONCAT($data, $data, $data, $data, $data, $data));
+--enable_query_log
+
+# Incident event
+# 1590=ER_SLAVE_INCIDENT
+--let $slave_sql_errno= 1590
+--source include/wait_for_slave_sql_error_and_skip.inc
+
+connection master;
+
+--replace_result $old_max_binlog_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL max_binlog_cache_size= $old_max_binlog_cache_size
+--replace_result $old_binlog_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL binlog_cache_size= $old_binlog_cache_size
+--replace_result $old_max_binlog_stmt_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL max_binlog_stmt_cache_size= $old_max_binlog_stmt_cache_size
+--replace_result $old_binlog_stmt_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL binlog_stmt_cache_size= $old_binlog_stmt_cache_size
+
+DROP TABLE t1;
+
+--source include/rpl_end.inc
--- a/mysql-test/t/derived_view.test
+++ b/mysql-test/t/derived_view.test
@@ -1911,6 +1911,26 @@ explain select * from v1;
 drop view v1;
 drop table t1,t2;

+--echo #
+--echo # Bug mdev-12812: mergeable derived / view with subqueries
+--echo #                 NOT subject to semi-join optimizations
+--echo #
+
+CREATE TABLE t1 (c1 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('foo'),('foo');
+
+CREATE TABLE t2 (c2 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES ('bar'),('qux'),('foo');
+
+let $q=
+SELECT STRAIGHT_JOIN * 
+  FROM ( SELECT * FROM t1 WHERE c1 IN ( SELECT c2 FROM t2 ) ) AS sq;
+
+eval $q;
+eval EXPLAIN EXTENDED $q;
+
+DROP TABLE t1, t2;
+
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
--- a/mysql-test/t/subselect_sj.test
+++ b/mysql-test/t/subselect_sj.test
@@ -2805,5 +2805,45 @@ select a from t1 join t2 on b between 1 and 2 and a in (select b from t2);
 drop table t1,t2;
 set optimizer_switch= @tmp_mdev12675;

+--echo #
+--echo # MDEV-12817: subquery NOT subject to semi-join optimizations  
+--echo #             in ON expression of INNER JOIN
+--echo #
+
+CREATE TABLE t1 (c1 int) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+
+CREATE TABLE t2 (c2 int) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (3),(4);
+ 
+CREATE TABLE t3 (c3 int) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (5),(6);
+ 
+CREATE TABLE t4 (c4 int) ENGINE=MyISAM;
+INSERT INTO t4 VALUES (7),(8);
+
+let $q1= 
+SELECT c1 
+FROM t1 
+LEFT JOIN
+( t2 INNER JOIN t3 ON ( 1 IN ( SELECT c4 FROM t4 ) ) )
+ON (c1 = c3);
+
+eval $q1;
+eval EXPLAIN EXTENDED $q1;
+
+let $q2= 
+SELECT *
+FROM t1
+LEFT JOIN
+( ( SELECT * FROM t2 WHERE c2 IN ( SELECT c3 FROM t3 ) ) AS sq INNER JOIN t4 )
+ON (c1 = c2);
+
+--echo # mdev-12820
+eval $q2;
+eval EXPLAIN EXTENDED $q2;
+
+DROP TABLE t1,t2,t3,t4;
+
 # The following command must be the last one the file 
 set optimizer_switch=@subselect_sj_tmp;
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -5401,14 +5401,21 @@ int THD::binlog_write_table_map(TABLE *table, bool is_transactional,

  IO_CACHE *file=
    cache_mngr->get_binlog_cache_log(use_trans_cache(this, is_transactional));
+  binlog_cache_data *cache_data=
+    cache_mngr->get_binlog_cache_data(use_trans_cache(this, is_transactional));
+
  if (with_annotate && *with_annotate)
  {
    Annotate_rows_log_event anno(table->in_use, is_transactional, false);
    /* Annotate event should be written not more than once */
    *with_annotate= 0;
    if ((error= anno.write(file)))
+    {
+      if (my_errno == EFBIG)
+        cache_data->set_incident();
      DBUG_RETURN(error);
    }
+  }
  if ((error= the_event.write(file)))
    DBUG_RETURN(error);


--- a/sql/opt_subselect.cc
+++ b/sql/opt_subselect.cc
@@ -1103,7 +1103,26 @@ bool convert_join_subqueries_to_semijoins(JOIN *join)
    do
    {
      embedded= embedding;
-      if (MY_TEST(embedded->outer_join))
+      bool block_conversion_to_sj= false;
+      if (embedded->on_expr)
+      {
+        /*
+          Conversion of an IN subquery predicate into semi-join
+          is blocked now if the predicate occurs:
+          - in the ON expression of an outer join
+          - in the ON expression of an inner join embedded directly
+            or indirectly in the inner nest of an outer join
+	*/
+        for (TABLE_LIST *tl= embedded; tl; tl= tl->embedding)
+	{
+          if (tl->outer_join)
+	  {
+            block_conversion_to_sj= true;
+            break;
+          }
+        }
+      }
+      if (block_conversion_to_sj)
      {
 	Item *cond= embedded->on_expr;
        if (!cond)
@@ -1143,6 +1162,16 @@ bool convert_join_subqueries_to_semijoins(JOIN *join)
    }
  }

+  if (join->select_options & SELECT_STRAIGHT_JOIN)
+  {
+    /* Block conversion to semijoins for all candidates */ 
+    li.rewind();
+    while ((in_subq= li++))
+    {
+      in_subq->block_conversion_to_sj();
+    }
+  }
+      
  li.rewind();
  /* First, convert child join's subqueries. We proceed bottom-up here */
  while ((in_subq= li++)) 

--- a/storage/maria/ma_loghandler.c
+++ b/storage/maria/ma_loghandler.c
@@ -7820,8 +7820,24 @@ void translog_flush_buffers(TRANSLOG_ADDRESS *lsn,
    translog_force_current_buffer_to_finish();
    translog_buffer_unlock(buffer);
  }
-  else if (log_descriptor.bc.buffer->prev_last_lsn != LSN_IMPOSSIBLE)
+  else
+  {
+    if (log_descriptor.bc.buffer->last_lsn == LSN_IMPOSSIBLE)
    {
+      /*
+        In this case both last_lsn & prev_last_lsn are LSN_IMPOSSIBLE
+        otherwise it will go in the first IF because LSN_IMPOSSIBLE less
+        then any real LSN and cmp_translog_addr(*lsn,
+        log_descriptor.bc.buffer->prev_last_lsn) will be TRUE
+      */
+      DBUG_ASSERT(log_descriptor.bc.buffer->prev_last_lsn ==
+                  LSN_IMPOSSIBLE);
+      DBUG_PRINT("info", ("There is no LSNs yet generated => do nothing"));
+      translog_unlock();
+      DBUG_VOID_RETURN;
+    }
+
+    DBUG_ASSERT(log_descriptor.bc.buffer->prev_last_lsn != LSN_IMPOSSIBLE);
    /* fix lsn if it was horizon */
    *lsn= log_descriptor.bc.buffer->prev_last_lsn;
    DBUG_PRINT("info", ("LSN to flush fixed to prev last lsn: (%lu,0x%lx)",
@@ -7830,13 +7846,6 @@ void translog_flush_buffers(TRANSLOG_ADDRESS *lsn,
                     TRANSLOG_BUFFERS_NO);
    translog_unlock();
  }
-  else if (log_descriptor.bc.buffer->last_lsn == LSN_IMPOSSIBLE)
-  {
-    DBUG_PRINT("info", ("There is no LSNs yet generated => do nothing"));
-    translog_unlock();
-    DBUG_VOID_RETURN;
-  }
-
  /* flush buffers */
  *sent_to_disk= translog_get_sent_to_disk();
  if (cmp_translog_addr(*lsn, *sent_to_disk) > 0)