Merge branch 10.3 into 10.4

Author: sysprg

appveyor.yml

@@ -6,6 +6,10 @@ init:
 
 version: build-{build}~branch-{branch}
 
+cache:
+  - C:\ProgramData\chocolatey\bin -> appveyor.yml
+  - C:\ProgramData\chocolatey\lib -> appveyor.yml
+
 clone_depth: 1
 
 build_script:

client/mysql.cc

@@ -99,8 +99,8 @@ extern "C" {
 #  endif
 # endif
 #define HAVE_READLINE
-#define USE_POPEN
 #endif
+#define USE_POPEN
 }
 
 #ifdef HAVE_VIDATTR
@@ -4193,11 +4193,6 @@ com_nopager(String *buffer __attribute__((unused)),
 }
 #endif
 
-
-/*
-  Sorry, you can't send the result to an editor in Win32
-*/
-
 #ifdef USE_POPEN
 static int
 com_edit(String *buffer,char *line __attribute__((unused)))
@@ -4218,7 +4213,7 @@ com_edit(String *buffer,char *line __attribute__((unused)))
 
   if (!(editor = (char *)getenv("EDITOR")) &&
       !(editor = (char *)getenv("VISUAL")))
-    editor = "vi";
+    editor = IF_WIN("notepad","vi");
   strxmov(buff,editor," ",filename,NullS);
   if ((error= system(buff)))
   {
@@ -4233,7 +4228,7 @@ com_edit(String *buffer,char *line __attribute__((unused)))
   if ((fd = my_open(filename,O_RDONLY, MYF(MY_WME))) < 0)
     goto err;
   (void) buffer->alloc((uint) stat_arg.st_size);
-  if ((tmp=read(fd,(char*) buffer->ptr(),buffer->alloced_length())) >= 0L)
+  if ((tmp=(int)my_read(fd,(uchar*) buffer->ptr(),buffer->alloced_length(),MYF(0))) >= 0)
     buffer->length((uint) tmp);
   else
     buffer->length(0);

mysql-test/main/compound.test

@@ -1,7 +1,7 @@
 #
 # MDEV-5317 Compound statement / anonymous blocks
 #
-source include/have_log_bin.inc;
+source include/have_binlog_format_mixed_or_statement.inc;
 delimiter |;
 
 CREATE TABLE t1 (a INT PRIMARY KEY)|

mysql-test/main/ctype_utf8mb4_unicode_ci_def.opt

@@ -0,0 +1 @@
+--character-set-server=utf8mb4,latin1 --collation-server=utf8mb4_unicode_ci

mysql-test/main/ctype_utf8mb4_unicode_ci_def.result

@@ -0,0 +1,11 @@
+#
+# Start of 10.3 tests
+#
+#
+# MDEV-27195 SIGSEGV in Table_scope_and_contents_source_st::vers_check_system_fields
+#
+CREATE TABLE t1 ENGINE=MyISAM WITH SYSTEM VERSIONING AS SELECT 0;
+DROP TABLE t1;
+#
+# End of 10.3 tests
+#

mysql-test/main/ctype_utf8mb4_unicode_ci_def.test

@@ -0,0 +1,15 @@
+--echo #
+--echo # Start of 10.3 tests
+--echo #
+
+--echo #
+--echo # MDEV-27195 SIGSEGV in Table_scope_and_contents_source_st::vers_check_system_fields
+--echo #
+
+CREATE TABLE t1 ENGINE=MyISAM WITH SYSTEM VERSIONING AS SELECT 0;
+DROP TABLE t1;
+
+
+--echo #
+--echo # End of 10.3 tests
+--echo #

mysql-test/main/disabled.def

@@ -16,4 +16,3 @@ mysql_embedded           : Bug#12561297 2011-05-14 Anitha Dependent on PB2 chang
 #show_explain  : Psergey: random timeout in range-checked-for-each record query.
 file_contents            : MDEV-6526 these files are not installed anymore
 max_statement_time       : cannot possibly work, depends on timing
-partition_open_files_limit : open_files_limit check broken by MDEV-18360

mysql-test/main/order_by_innodb.result

@@ -198,5 +198,28 @@ id	id
 1	NULL
 2	1
 3	3
+#
+# MDEV-27270: Wrong query plan with Range Checked for Each Record and ORDER BY ... LIMIT
+#
+# This must NOT have "Range checked for each record" without any
+#   provisions to produce rows in the required ordering:
+explain
+select
+t1.id,t2.id
+from
+t1 left join
+t2 on t2.id2 = t1.id and
+t2.id = (select dd.id
+from t2 dd
+where
+dd.id2 = t1.id and
+d1 > '2019-02-06 00:00:00'
+                 order by
+dd.d1, dd.d2, dd.id limit 1
+);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	#	Using index
+1	PRIMARY	t2	eq_ref	PRIMARY,id2	PRIMARY	4	func	#	Using where
+2	DEPENDENT SUBQUERY	dd	range	id2,for_latest_sort	for_latest_sort	6	NULL	#	Using where
 drop table t1,t2;
 # End of 10.2 tests

mysql-test/main/order_by_innodb.test

@@ -184,6 +184,28 @@ from
                  order by
                    dd.d1 desc, dd.d2 desc, dd.id desc limit 1
                 );
+
+--echo #
+--echo # MDEV-27270: Wrong query plan with Range Checked for Each Record and ORDER BY ... LIMIT
+--echo #
+
+--echo # This must NOT have "Range checked for each record" without any
+--echo #   provisions to produce rows in the required ordering:
+--replace_column 9 #
+explain
+select
+  t1.id,t2.id
+from
+  t1 left join
+  t2 on t2.id2 = t1.id and
+        t2.id = (select dd.id
+                 from t2 dd
+                 where
+                    dd.id2 = t1.id and
+                    d1 > '2019-02-06 00:00:00'
+                 order by
+                   dd.d1, dd.d2, dd.id limit 1
+                );
 drop table t1,t2;
 
 --echo # End of 10.2 tests

mysql-test/main/partition_open_files_limit.result

@@ -1,4 +1,6 @@
 DROP TABLE IF EXISTS `t1`;
+call mtr.add_suppression("option 'table_open_cache'");
+call mtr.add_suppression("option 'max_connections'");
 # Bug#46922: crash when adding partitions and open_files_limit is reached
 CREATE TABLE t1 (a INT PRIMARY KEY) 
 ENGINE=MyISAM PARTITION BY KEY () PARTITIONS 1;