From 34c086526ce0b1a694c445eadcc99d88441ae0b5 Mon Sep 17 00:00:00 2001
From: unknown <igreenhoe@mysql.com>
Date: Mon, 17 Apr 2006 19:43:19 -0700
Subject: [PATCH 01/19] Fix for bug #18979, bad RE in mysql-test-run.pl

mysql-test/lib/mtr_cases.pl:
  Fixed the RE so that backtracking will not occur.
---
 mysql-test/lib/mtr_cases.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysql-test/lib/mtr_cases.pl b/mysql-test/lib/mtr_cases.pl
index d8f3e61bd11..ed0395abd9d 100644
--- a/mysql-test/lib/mtr_cases.pl
+++ b/mysql-test/lib/mtr_cases.pl
@@ -116,7 +116,7 @@ sub collect_test_cases ($) {
       while ( <DISABLED> )
       {
         chomp;
-        if ( /^\s*(\S+)\s*:\s*(.*?)\s*$/ )
+        if ( /^\s*([^\s:]+)\s*:\s*(.*?)\s*$/ )
         {
           $disabled{$1}= $2;
         }

From 2664605c04ad7ccc5fc2977026cbd62f9d86f0cc Mon Sep 17 00:00:00 2001
From: unknown <igreenhoe@mysql.com>
Date: Mon, 17 Apr 2006 19:57:50 -0700
Subject: [PATCH 02/19] Fix for bug #17353.

scripts/mysqld_safe.sh:
  Moved core file changing command outside of root-user only conditional
---
 scripts/mysqld_safe.sh | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh
index a584c384712..02a961dc3ec 100644
--- a/scripts/mysqld_safe.sh
+++ b/scripts/mysqld_safe.sh
@@ -321,10 +321,13 @@ then
     ulimit -n $open_files
     args="--open-files-limit=$open_files $args"
   fi
-  if test -n "$core_file_size"
-  then
-    ulimit -c $core_file_size
-  fi
+fi
+
+# Try to set the core file size (even if we aren't root) because many systems
+# don't specify a hard limit on core file size.
+if test -n "$core_file_size"
+then
+  ulimit -c $core_file_size
 fi
 
 #

From af2f9b90fa7e90468eadfbb24256b0be87dd5184 Mon Sep 17 00:00:00 2001
From: unknown <bar@mysql.com>
Date: Thu, 4 May 2006 11:55:09 +0500
Subject: [PATCH 03/19] Bugs#17647: Trouble with "create database"

Problem:
if a user was granted privileges on database "d1",
it also was able to act on "D1" (i.e. in upper case),
even on Unix with case sensitive file system.

Fix:
Initialize grant hash to use binary comparison
if lower_case_file_system is not set (on most unixes),
and case insensitive comparison otherwise (Windows, MacOSX).


sql/sql_acl.cc:
  Initialize hash to use binary comparison with case sensitive FS.
mysql-test/include/have_case_sensitive_file_system.inc:
  New BitKeeper file ``mysql-test/include/have_case_sensitive_file_system.inc''
  Backporting from 5.1
mysql-test/r/case_sensitive_file_system.require:
  New BitKeeper file ``mysql-test/r/case_sensitive_file_system.require''
  Backporting from 5.1
mysql-test/r/lowercase_fs_off.result:
  Adding test case
mysql-test/t/lowercase_fs_off.test:
  Adding test case
---
 .../have_case_sensitive_file_system.inc       |  4 +++
 .../r/case_sensitive_file_system.require      |  2 ++
 mysql-test/r/lowercase_fs_off.result          | 11 ++++++++
 mysql-test/t/lowercase_fs_off.test            | 27 +++++++++++++++++++
 sql/sql_acl.cc                                |  4 ++-
 5 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 mysql-test/include/have_case_sensitive_file_system.inc
 create mode 100644 mysql-test/r/case_sensitive_file_system.require
 create mode 100644 mysql-test/r/lowercase_fs_off.result
 create mode 100644 mysql-test/t/lowercase_fs_off.test

diff --git a/mysql-test/include/have_case_sensitive_file_system.inc b/mysql-test/include/have_case_sensitive_file_system.inc
new file mode 100644
index 00000000000..730af975497
--- /dev/null
+++ b/mysql-test/include/have_case_sensitive_file_system.inc
@@ -0,0 +1,4 @@
+--require r/case_sensitive_file_system.require
+--disable_query_log
+show variables like "lower_case_file_system";
+--enable_query_log
diff --git a/mysql-test/r/case_sensitive_file_system.require b/mysql-test/r/case_sensitive_file_system.require
new file mode 100644
index 00000000000..d0bdc6bf4ce
--- /dev/null
+++ b/mysql-test/r/case_sensitive_file_system.require
@@ -0,0 +1,2 @@
+Variable_name	Value
+lower_case_file_system	OFF
diff --git a/mysql-test/r/lowercase_fs_off.result b/mysql-test/r/lowercase_fs_off.result
new file mode 100644
index 00000000000..f610b959a47
--- /dev/null
+++ b/mysql-test/r/lowercase_fs_off.result
@@ -0,0 +1,11 @@
+create database d1;
+grant all on d1.* to 'sample'@'localhost' identified by 'password';
+flush privileges;
+select database();
+database()
+d1
+create database d2;
+ERROR 42000: Access denied for user 'sample'@'localhost' to database 'd2'
+create database D1;
+ERROR 42000: Access denied for user 'sample'@'localhost' to database 'D1'
+drop database if exists d1;
diff --git a/mysql-test/t/lowercase_fs_off.test b/mysql-test/t/lowercase_fs_off.test
new file mode 100644
index 00000000000..7f7b573e7ee
--- /dev/null
+++ b/mysql-test/t/lowercase_fs_off.test
@@ -0,0 +1,27 @@
+#
+# Specific tests for case sensitive file systems
+# i.e. lower_case_filesystem=OFF
+#
+-- source include/have_case_sensitive_file_system.inc
+
+connect (master,localhost,root,,);
+connection master;
+create database d1;
+grant all on d1.* to 'sample'@'localhost' identified by 'password';
+flush privileges;
+
+connect (sample,localhost,sample,password,d1);
+connection sample;
+select database();
+--error 1044
+create database d2;
+--error 1044
+create database D1;
+disconnect sample;
+
+connection master;
+drop database if exists d1;
+disconnect master;
+connection default;
+
+# End of 4.1 tests
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index 4626e5892a4..d1cd001e306 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -146,7 +146,9 @@ my_bool acl_init(bool dont_read_acl_tables)
 
   acl_cache= new hash_filo(ACL_CACHE_SIZE, 0, 0,
                            (hash_get_key) acl_entry_get_key,
-                           (hash_free_key) free, system_charset_info);
+                           (hash_free_key) free,
+                           lower_case_file_system ?
+                           system_charset_info : &my_charset_bin);
   if (dont_read_acl_tables)
   {
     DBUG_RETURN(0); /* purecov: tested */

From a084e1fdd6a304b2416d38b8c3696f053b811415 Mon Sep 17 00:00:00 2001
From: unknown <bar@mysql.com>
Date: Wed, 24 May 2006 16:10:25 +0500
Subject: [PATCH 04/19] bug#10979 USE does not refresh db privilege changes if
 the same db is used in command. The problem happened because "mysql" didn't
 send mysql_select_db() if the current active database was specified in USE.
 Now it always send mysql_select_db(). Rebuilding of completion hash is
 skipped in the same db is used (for performance purposes).

---
 client/mysql.cc | 65 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 42 insertions(+), 23 deletions(-)

diff --git a/client/mysql.cc b/client/mysql.cc
index 900df825b25..d0f54f7bf0c 100644
--- a/client/mysql.cc
+++ b/client/mysql.cc
@@ -2969,6 +2969,7 @@ static int
 com_use(String *buffer __attribute__((unused)), char *line)
 {
   char *tmp, buff[FN_REFLEN + 1];
+  int select_db;
 
   bzero(buff, sizeof(buff));
   strmov(buff, line);
@@ -2988,34 +2989,52 @@ com_use(String *buffer __attribute__((unused)), char *line)
   if (!current_db || cmp_database(charset_info, current_db,tmp))
   {
     if (one_database)
-      skip_updates= 1;
-    else
     {
-      /*
-	reconnect once if connection is down or if connection was found to
-	be down during query
-      */
-      if (!connected && reconnect())
-      return opt_reconnect ? -1 : 1;                        // Fatal error
-      if (mysql_select_db(&mysql,tmp))
-      {
-	if (mysql_errno(&mysql) != CR_SERVER_GONE_ERROR)
-	  return put_error(&mysql);
-
-	if (reconnect())
-        return opt_reconnect ? -1 : 1;                      // Fatal error
-	if (mysql_select_db(&mysql,tmp))
-	  return put_error(&mysql);
-      }
-      my_free(current_db,MYF(MY_ALLOW_ZERO_PTR));
-      current_db=my_strdup(tmp,MYF(MY_WME));
-#ifdef HAVE_READLINE
-      build_completion_hash(rehash, 1);
-#endif
+      skip_updates= 1;
+      select_db= 0;    // don't do mysql_select_db()
     }
+    else
+      select_db= 2;    // do mysql_select_db() and build_completion_hash()
   }
   else
+  {
+    /*
+      USE to the current db specified.
+      We do need to send mysql_select_db() to make server
+      update database level privileges, which might
+      change since last USE (see bug#10979).
+      For performance purposes, we'll skip rebuilding of completion hash.
+    */
     skip_updates= 0;
+    select_db= 1;      // do only mysql_select_db(), without completion
+  }
+
+  if (select_db)
+  {
+    /*
+      reconnect once if connection is down or if connection was found to
+      be down during query
+    */
+    if (!connected && reconnect())
+      return opt_reconnect ? -1 : 1;                        // Fatal error
+    if (mysql_select_db(&mysql,tmp))
+    {
+      if (mysql_errno(&mysql) != CR_SERVER_GONE_ERROR)
+        return put_error(&mysql);
+
+      if (reconnect())
+        return opt_reconnect ? -1 : 1;                      // Fatal error
+      if (mysql_select_db(&mysql,tmp))
+        return put_error(&mysql);
+    }
+    my_free(current_db,MYF(MY_ALLOW_ZERO_PTR));
+    current_db=my_strdup(tmp,MYF(MY_WME));
+#ifdef HAVE_READLINE
+    if (select_db > 1)
+      build_completion_hash(rehash, 1);
+#endif
+  }
+
   put_info("Database changed",INFO_INFO);
   return 0;
 }

From 3efeb8924652b77d5299891a6048e161603f00f6 Mon Sep 17 00:00:00 2001
From: unknown <igreenhoe@mysql.com>
Date: Wed, 21 Jun 2006 00:12:23 -0700
Subject: [PATCH 05/19] Fix for bug #15977 (switch ordering of DISABLE
 KEYS/LOCK TABLE in mysqldump)

---
 client/mysqldump.c            | 25 +++++-----
 mysql-test/r/mysqldump.result | 86 ++++++++++++++---------------------
 2 files changed, 48 insertions(+), 63 deletions(-)

diff --git a/client/mysqldump.c b/client/mysqldump.c
index 3445a23eb5e..58e51b9b955 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -1722,17 +1722,18 @@ static void dumpTable(uint numFields, char *table)
       goto err;
     }
 
-    if (opt_disable_keys)
-    {
-      fprintf(md_result_file, "\n/*!40000 ALTER TABLE %s DISABLE KEYS */;\n",
-	      opt_quoted_table);
-      check_io(md_result_file);
-    }
     if (opt_lock)
     {
       fprintf(md_result_file,"LOCK TABLES %s WRITE;\n", opt_quoted_table);
       check_io(md_result_file);
     }
+    /* Moved disable keys to after lock per bug 15977 */
+    if (opt_disable_keys)
+    {
+      fprintf(md_result_file, "/*!40000 ALTER TABLE %s DISABLE KEYS */;\n",
+	      opt_quoted_table);
+      check_io(md_result_file);
+    }
 
     total_length= opt_net_buffer_length;		/* Force row break */
     row_break=0;
@@ -1991,17 +1992,19 @@ static void dumpTable(uint numFields, char *table)
       error= EX_CONSCHECK;
       goto err;
     }
-    if (opt_lock)
-    {
-      fputs("UNLOCK TABLES;\n", md_result_file);
-      check_io(md_result_file);
-    }
+
+    /* Moved enable keys to before unlock per bug 15977 */
     if (opt_disable_keys)
     {
       fprintf(md_result_file,"/*!40000 ALTER TABLE %s ENABLE KEYS */;\n",
 	      opt_quoted_table);
       check_io(md_result_file);
     }
+    if (opt_lock)
+    {
+      fputs("UNLOCK TABLES;\n", md_result_file);
+      check_io(md_result_file);
+    }
     if (opt_autocommit)
     {
       fprintf(md_result_file, "commit;\n");
diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index c3b393acadc..6c5c757061d 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -68,12 +68,11 @@ CREATE TABLE `t1` (
   `b` float default NULL
 );
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('1.23450',2.3456),('1.23450',2.3456),('1.23450',2.3456),('1.23450',2.3456),('1.23450',2.3456);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -160,13 +159,12 @@ CREATE TABLE `t1` (
   `a` varchar(255) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=koi8r;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('абцде');
 INSERT INTO `t1` VALUES (NULL);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -188,12 +186,11 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) TYPE=MyISAM;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES (1),(2);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -209,12 +206,11 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) TYPE=MyISAM;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES (1),(2);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -242,11 +238,10 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
-UNLOCK TABLES;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -265,11 +260,10 @@ CREATE TABLE "t1" (
   "a" int(11) default NULL
 );
 
-
-/*!40000 ALTER TABLE "t1" DISABLE KEYS */;
 LOCK TABLES "t1" WRITE;
-UNLOCK TABLES;
+/*!40000 ALTER TABLE "t1" DISABLE KEYS */;
 /*!40000 ALTER TABLE "t1" ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -291,11 +285,10 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
-UNLOCK TABLES;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -314,11 +307,10 @@ CREATE TABLE "t1" (
   "a" int(11) default NULL
 );
 
-
-/*!40000 ALTER TABLE "t1" DISABLE KEYS */;
 LOCK TABLES "t1" WRITE;
-UNLOCK TABLES;
+/*!40000 ALTER TABLE "t1" DISABLE KEYS */;
 /*!40000 ALTER TABLE "t1" ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -414,12 +406,11 @@ CREATE TABLE `t1` (
   `a` char(10) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('ÄÖÜß');
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -438,12 +429,11 @@ CREATE TABLE `t1` (
   `a` char(10) default NULL
 ) TYPE=MyISAM;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('Ž™šá');
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -459,12 +449,11 @@ CREATE TABLE `t1` (
   `a` char(10) default NULL
 ) TYPE=MyISAM;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('Ž™šá');
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -480,12 +469,11 @@ CREATE TABLE `t1` (
   `a` char(10) default NULL
 ) TYPE=MyISAM;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES ('ÄÖÜß');
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -511,12 +499,11 @@ CREATE TABLE `t2` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
 LOCK TABLES `t2` WRITE;
+/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
 INSERT INTO `t2` VALUES (4),(5),(6);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -544,12 +531,11 @@ CREATE TABLE `t1` (
   `b` blob
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES (0x602010000280100005E71A);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -577,12 +563,11 @@ CREATE TABLE `t1` (
   `a` decimal(240,20) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT  IGNORE INTO `t1` VALUES ('1234567890123456789012345678901234567890.00000000000000000000'),('0987654321098765432109876543210987654321.00000000000000000000');
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -606,7 +591,6 @@ CREATE TABLE `t1` (
   `a` decimal(240,20) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t1` VALUES ('1234567890123456789012345678901234567890.00000000000000000000'),('0987654321098765432109876543210987654321.00000000000000000000');
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
@@ -1295,12 +1279,11 @@ CREATE TABLE `t1` (
   `F_fe73f687e5bc5280214e0486b273a5f9` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
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`F_950a4152c2b4aa3ad78bdd6b366cc179`, `F_158f3069a435b314a80bdcb024f8e422`, `F_758874998f5bd0c393da094e1967a72b`, `F_ad13a2a07ca4b7642959dc0c4c740ab6`, `F_3fe94a002317b5f9259f82690aeea4cd`, `F_5b8add2a5d98b1a652ea7fd72d942dac`, `F_432aca3a1e345e339f35a30c8f65edce`, `F_8d3bba7425e7c98c50f52ca1b52d3735`, `F_320722549d1751cf3f247855f937b982`, `F_caf1a3dfb505ffed0d024130f58c5cfa`, `F_5737c6ec2e0716f3d8a7a5c4e0de0d9a`, `F_bc6dc48b743dc5d013b1abaebd2faed2`, `F_f2fc990265c712c49d51a18a32b39f0c`, `F_89f0fd5c927d466d6ec9a21b9ac34ffa`, `F_a666587afda6e89aec274a3657558a27`, `F_b83aac23b9528732c23cc7352950e880`, `F_cd00692c3bfe59267d5ecfac5310286c`, `F_6faa8040da20ef399b63a72d0e4ab575`, `F_fe73f687e5bc5280214e0486b273a5f9`) VALUES (NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,1,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
@@ -1333,12 +1316,11 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT INTO `t1` VALUES (1),(2),(3);
-UNLOCK TABLES;
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
 
 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;

From eebe37d0517bc7e4829ca4900491b1023d72d5c6 Mon Sep 17 00:00:00 2001
From: unknown <bar@mysql.com>
Date: Fri, 30 Jun 2006 16:48:18 +0500
Subject: [PATCH 06/19] Bug#7192 Specify --with-collation doesn't work for
 connections? --with-collation worked only on the server side. Client side
 ignored this argument, so collation_connection was not properly set (remained
 latin1_swedish_ci).

sql-common/client.c:
  - Take into account MYSQL_DEFAULT_COLLATION_NAME if
  character set is not set using mysql_option(), to
  honor --with-collation argument to configure.
  - Use default collation for the character set when it's
  not set using mysql_option().
---
 sql-common/client.c | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/sql-common/client.c b/sql-common/client.c
index ea8baeeffc7..6925f1bd265 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -1543,11 +1543,18 @@ C_MODE_START
 int mysql_init_character_set(MYSQL *mysql)
 {
   NET		*net= &mysql->net;
+  const char *default_collation_name;
+  
   /* Set character set */
-  if (!mysql->options.charset_name &&
-      !(mysql->options.charset_name= 
+  if (!mysql->options.charset_name)
+  {
+    default_collation_name= MYSQL_DEFAULT_COLLATION_NAME;
+    if (!(mysql->options.charset_name= 
        my_strdup(MYSQL_DEFAULT_CHARSET_NAME,MYF(MY_WME))))
     return 1;
+  }
+  else
+    default_collation_name= NULL;
   
   {
     const char *save= charsets_dir;
@@ -1555,6 +1562,28 @@ int mysql_init_character_set(MYSQL *mysql)
       charsets_dir=mysql->options.charset_dir;
     mysql->charset=get_charset_by_csname(mysql->options.charset_name,
                                          MY_CS_PRIMARY, MYF(MY_WME));
+    if (mysql->charset && default_collation_name)
+    {
+      CHARSET_INFO *collation;
+      if ((collation= 
+           get_charset_by_name(default_collation_name, MYF(MY_WME))))
+      {
+        if (!my_charset_same(mysql->charset, collation))
+        {
+          my_printf_error(ER_UNKNOWN_ERROR, 
+                         "COLLATION %s is not valid for CHARACTER SET %s",
+                         MYF(0),
+                         default_collation_name, mysql->options.charset_name);
+          mysql->charset= NULL;
+        }
+        else
+        {
+          mysql->charset= collation;
+        }
+      }
+      else
+        mysql->charset= NULL;
+    }
     charsets_dir= save;
   }
   

From 861096a58f9c3f246d8a7b448601a422c8e04f26 Mon Sep 17 00:00:00 2001
From: unknown <cmiller@zippy.(none)>
Date: Sat, 1 Jul 2006 14:31:52 -0400
Subject: [PATCH 07/19] Bug#19006: 4.0 valgrind problems (in test func_str)

On exactly-sized Strings, the String::c_ptr() function peeked beyond the
end of the buffer, possibly into unititialized space to see whether the
buffer was NUL-terminated.

In a place that did peek improperly, we now use a c_ptr_safe() function,
which doesn't peek where it shouldn't.


client/sql_string.h:
  Back-port String::c_ptr_safe().
sql/item_func.h:
  Describe side-effect behavior.
sql/item_strfunc.cc:
  Use the "_safe" version of c_ptr to avoid looking for a terminating
  NUL character outside the initialized memory area.  Valgrind hates it
  when one does that, and it theoretically could lead to a SEGV.
sql/sql_string.h:
  Back-port String::c_ptr_safe().
---
 client/sql_string.h | 8 ++++++++
 sql/item_func.h     | 5 ++++-
 sql/item_strfunc.cc | 4 ++--
 sql/sql_string.h    | 8 ++++++++
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/client/sql_string.h b/client/sql_string.h
index cffe78936a0..13687eef4dc 100644
--- a/client/sql_string.h
+++ b/client/sql_string.h
@@ -67,6 +67,14 @@ public:
       Ptr[str_length]=0;
     return Ptr;
   }
+  inline char *c_ptr_safe()
+  {
+    if (Ptr && str_length < Alloced_length)
+      Ptr[str_length]=0;
+    else
+      (void) realloc(str_length);
+    return Ptr;
+  }
 
   void set(String &str,uint32 offset,uint32 arg_length)
   {
diff --git a/sql/item_func.h b/sql/item_func.h
index 3627af4ebb1..3336f2afd1b 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -120,7 +120,10 @@ public:
   {
     return (null_value=args[0]->get_time(ltime));
   }
-  bool is_null() { (void) val_int(); return null_value; }
+  bool is_null() { 
+    (void) val_int();  /* Discard result. It sets null_value as side-effect. */ 
+    return null_value; 
+  }
   friend class udf_handler;
   unsigned int size_of() { return sizeof(*this);}  
   Field *tmp_table_field(TABLE *t_arg);
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index 2ea693e94a3..81e3129471c 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -51,14 +51,14 @@ double Item_str_func::val()
 {
   String *res;
   res=val_str(&str_value);
-  return res ? atof(res->c_ptr()) : 0.0;
+  return res ? atof(res->c_ptr_safe()) : 0.0;
 }
 
 longlong Item_str_func::val_int()
 {
   String *res;
   res=val_str(&str_value);
-  return res ? strtoll(res->c_ptr(),NULL,10) : (longlong) 0;
+  return res ? strtoll(res->c_ptr_safe(),NULL,10) : (longlong) 0;
 }
 
 
diff --git a/sql/sql_string.h b/sql/sql_string.h
index ad7455ecbf1..25abfd27eef 100644
--- a/sql/sql_string.h
+++ b/sql/sql_string.h
@@ -74,6 +74,14 @@ public:
       Ptr[str_length]=0;
     return Ptr;
   }
+  inline char *c_ptr_safe()
+  {
+    if (Ptr && str_length < Alloced_length)
+      Ptr[str_length]=0;
+    else
+      (void) realloc(str_length);
+    return Ptr;
+  }
 
   void set(String &str,uint32 offset,uint32 arg_length)
   {

From 8995277acc05f9998e9f7a24aa8cb9e1d917945e Mon Sep 17 00:00:00 2001
From: unknown <konstantin@bodhi.netgear>
Date: Thu, 6 Jul 2006 23:59:04 +0400
Subject: [PATCH 08/19] A fix and a test case for Bug#19399 "res 'Lost
 Connection' when dropping/creating tables".

The bug could lead to a crash when multi-delete statements were
prepared and used with temporary tables.

The bug was caused by lack of clean-up of multi-delete tables before
re-execution of a prepared statement. In a statement like
DELETE t1 FROM t1, t2 WHERE ... the first table list (t1) is
moved to lex->auxilliary_table_list and excluded from lex->query_tables
or select_lex->tables. Thus it was unaccessible to reinit_stmt_before_use
and not cleaned up before re-execution of a prepared statement.


mysql-test/r/ps.result:
  Updated test results (Bug#19399)
mysql-test/t/ps.test:
  A test case for Bug#19399 "Stored Procedures 'Lost Connection' when
  dropping/creating tables": test that multi-delete
  tables are cleaned up properly before re-execution.
sql/sql_lex.cc:
  Always initialize auxilliary_table_list when we initialize the lex:
  this way we don't have to check that lex->sql_command equals to
  SQLCOM_DELETE_MULTI whenever we need to access auxilliary_table_list.
  In particular, in reinit_stmt_before_use we can simply check that
  auxilliary_table_list is not NULL and clean it up if the check returns
  a true value.
sql/sql_prepare.cc:
  Move the one table clean-up functionality to a method of st_table_list.
  Clean up auxiliary_table_list if it's not empty.
sql/table.cc:
  Implement st_table_list::reinit_before_use().
sql/table.h:
  Declare st_table_list::reinit_before_use().
---
 mysql-test/r/ps.result | 14 ++++++++++++++
 mysql-test/t/ps.test   | 25 +++++++++++++++++++++++++
 sql/sql_lex.cc         |  1 +
 sql/sql_prepare.cc     | 20 +++++++++++++-------
 sql/table.cc           | 17 +++++++++++++++++
 sql/table.h            |  5 +++++
 6 files changed, 75 insertions(+), 7 deletions(-)

diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index 2be5366b180..01aa4ddf859 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -875,3 +875,17 @@ select @@max_prepared_stmt_count, @@prepared_stmt_count;
 @@max_prepared_stmt_count	@@prepared_stmt_count
 3	0
 set global max_prepared_stmt_count= @old_max_prepared_stmt_count;
+drop table if exists t1;
+create temporary table if not exists t1 (a1 int);
+prepare stmt from "delete t1 from t1 where (cast(a1/3 as unsigned) * 3) = a1";
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+deallocate prepare stmt;
diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test
index d6dcf02d5b7..0ca293eb1ba 100644
--- a/mysql-test/t/ps.test
+++ b/mysql-test/t/ps.test
@@ -926,4 +926,29 @@ select @@max_prepared_stmt_count, @@prepared_stmt_count;
 set global max_prepared_stmt_count= @old_max_prepared_stmt_count;
 --enable_ps_protocol
 
+#
+# Bug#19399 "Stored Procedures 'Lost Connection' when dropping/creating
+#            tables"
+# Check that multi-delete tables are also cleaned up before re-execution.
+# 
+--disable_warnings
+drop table if exists t1;
+create temporary table if not exists t1 (a1 int);
+--enable_warnings
+# exact delete syntax is essential
+prepare stmt from "delete t1 from t1 where (cast(a1/3 as unsigned) * 3) = a1";
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+# the server crashed on  the next statement without the fix
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+# the problem was in memory corruption: repeat the test just in case
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+deallocate prepare stmt;
+
 # End of 4.1 tests
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index 29ea8ab2ae2..fb9a765f12c 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -125,6 +125,7 @@ void lex_start(THD *thd, uchar *buf,uint length)
   lex->value_list.empty();
   lex->update_list.empty();
   lex->param_list.empty();
+  lex->auxilliary_table_list.empty();
   lex->unit.next= lex->unit.master=
     lex->unit.link_next= lex->unit.return_to= 0;
   lex->unit.prev= lex->unit.link_prev= 0;
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index 2d9e80df63c..2688841d96c 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -1727,14 +1727,9 @@ static void reset_stmt_for_execute(Prepared_statement *stmt)
 	 tables;
 	 tables= tables->next)
     {
-      /*
-        Reset old pointers to TABLEs: they are not valid since the tables
-        were closed in the end of previous prepare or execute call.
-      */
-      tables->table= 0;
-      tables->table_list= 0;
+      tables->reinit_before_use(thd);
     }
-    
+
     {
       SELECT_LEX_UNIT *unit= sl->master_unit();
       unit->unclean();
@@ -1743,6 +1738,17 @@ static void reset_stmt_for_execute(Prepared_statement *stmt)
       unit->reinit_exec_mechanism();
     }
   }
+  /*
+    Cleanup of the special case of DELETE t1, t2 FROM t1, t2, t3 ...
+    (multi-delete).  We do a full clean up, although at the moment all we
+    need to clean in the tables of MULTI-DELETE list is 'table' member.
+  */
+  for (TABLE_LIST *tables= (TABLE_LIST*) lex->auxilliary_table_list.first;
+       tables;
+       tables= tables->next)
+  {
+    tables->reinit_before_use(thd);
+  }
   lex->current_select= &lex->select_lex;
   if (lex->result)
     lex->result->cleanup();
diff --git a/sql/table.cc b/sql/table.cc
index 513f42665a6..26da6dc4605 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -1523,6 +1523,23 @@ db_type get_table_type(const char *name)
   DBUG_RETURN(ha_checktype((enum db_type) (uint) *(head+3)));
 }
 
+/*
+  Cleanup this table for re-execution.
+
+  SYNOPSIS
+    st_table_list::reinit_before_use()
+*/
+
+void st_table_list::reinit_before_use(THD * /* thd */)
+{
+  /*
+    Reset old pointers to TABLEs: they are not valid since the tables
+    were closed in the end of previous prepare or execute call.
+  */
+  table= 0;
+  table_list= 0;
+}
+
 
 /*****************************************************************************
 ** Instansiate templates
diff --git a/sql/table.h b/sql/table.h
index 8cb15d3a69c..d615623cc37 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -238,6 +238,11 @@ typedef struct st_table_list
   bool		cacheable_table;	/* stop PS caching */
   /* used in multi-upd privelege check */
   bool		table_in_update_from_clause;
+  /*
+    Cleanup for re-execution in a prepared statement or a stored
+    procedure.
+  */
+  void reinit_before_use(THD *thd);
 } TABLE_LIST;
 
 typedef struct st_changed_table_list

From 613cbb621e0e09094b71dafe5ff613dcb1df4bbf Mon Sep 17 00:00:00 2001
From: unknown <bar@myoffice.izhnet.ru>
Date: Fri, 7 Jul 2006 17:06:30 +0500
Subject: [PATCH 09/19] func_str.result, func_str.test:   Adding test case.
 item_strfunc.cc:   bug#11728 string function LEFT, strange undocumented
 behaviour   Fixing LEFT and RIGHT return NULL if the second   argument is
 NULL.

sql/item_strfunc.cc:
  bug#11728 string function LEFT, strange undocumented behaviour
  Fixing LEFT and RIGHT return NULL if the second
  argument is NULL.
mysql-test/t/func_str.test:
  Adding test case.
mysql-test/r/func_str.result:
  Adding test case.
---
 mysql-test/r/func_str.result | 3 +++
 mysql-test/t/func_str.test   | 5 +++++
 sql/item_strfunc.cc          | 4 ++--
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/mysql-test/r/func_str.result b/mysql-test/r/func_str.result
index 1485809ba70..1042840fe04 100644
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@@ -33,6 +33,9 @@ instr('hello','HE')	instr('hello',binary 'HE')	instr(binary 'hello','HE')
 select position(binary 'll' in 'hello'),position('a' in binary 'hello');
 position(binary 'll' in 'hello')	position('a' in binary 'hello')
 3	0
+select left('hello',null), right('hello',null);
+left('hello',null)	right('hello',null)
+NULL	NULL
 select left('hello',2),right('hello',2),substring('hello',2,2),mid('hello',1,5) ;
 left('hello',2)	right('hello',2)	substring('hello',2,2)	mid('hello',1,5)
 he	lo	el	hello
diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test
index b13fe039261..56a03283d3a 100644
--- a/mysql-test/t/func_str.test
+++ b/mysql-test/t/func_str.test
@@ -19,6 +19,11 @@ select hex(char(256));
 select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
 select instr('hello','HE'), instr('hello',binary 'HE'), instr(binary 'hello','HE'); 
 select position(binary 'll' in 'hello'),position('a' in binary 'hello');
+#
+# Bug#11728 string function LEFT,
+# strange undocumented behaviour, strict mode
+#
+select left('hello',null), right('hello',null);
 select left('hello',2),right('hello',2),substring('hello',2,2),mid('hello',1,5) ;
 select concat('',left(right(concat('what ',concat('is ','happening')),9),4),'',substring('monty',5,1)) ;
 select substring_index('www.tcx.se','.',-2),substring_index('www.tcx.se','.',1);
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index 9e3a9b64288..5aef789074f 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -1038,7 +1038,7 @@ String *Item_func_left::val_str(String *str)
   long length  =(long) args[1]->val_int();
   uint char_pos;
 
-  if ((null_value=args[0]->null_value))
+  if ((null_value=(args[0]->null_value || args[1]->null_value)))
     return 0;
   if (length <= 0)
     return &my_empty_string;
@@ -1078,7 +1078,7 @@ String *Item_func_right::val_str(String *str)
   String *res  =args[0]->val_str(str);
   long length  =(long) args[1]->val_int();
 
-  if ((null_value=args[0]->null_value))
+  if ((null_value=(args[0]->null_value || args[1]->null_value)))
     return 0; /* purecov: inspected */
   if (length <= 0)
     return &my_empty_string; /* purecov: inspected */

From 89c7db0cb0a67a8c7bd30eb4043ec948554244e9 Mon Sep 17 00:00:00 2001
From: unknown <cmiller@zippy.(none)>
Date: Fri, 7 Jul 2006 16:47:57 -0400
Subject: [PATCH 10/19] Add a more reliable "getconf" test for Linuxthreads. 
 The later trees should already have a better test (and so this should be
 null-merged there).

ALSO!  Make it so that it accepts NPTL as a valid _equivalent_ implementation.
---
 configure.in | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/configure.in b/configure.in
index 8dd224d0a87..376cf48c476 100644
--- a/configure.in
+++ b/configure.in
@@ -1241,8 +1241,9 @@ if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"
 then
   # Look for LinuxThreads.
   AC_MSG_CHECKING("LinuxThreads")
-    res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
-    if test "$res" -gt 0
+    grepres=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
+    getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep LINUXTHREADS | wc -l || echo 0`
+    if test "$grepres" -gt 0 -o "$getconfres" -gt 0
     then
       AC_MSG_RESULT("Found")
       AC_DEFINE(HAVE_LINUXTHREADS)
@@ -1255,12 +1256,20 @@ then
     else
       AC_MSG_RESULT("Not found")
       # If this is a linux machine we should barf
+      AC_MSG_CHECKING("NPTL")
       if test "$IS_LINUX" = "true"
       then
-	AC_MSG_ERROR([This is a linux system and Linuxthreads was not
-found. On linux Linuxthreads should be used.  Please install Linuxthreads
-(or a new glibc) and try again.  See the Installation chapter in the
-Reference Manual for more information.])
+        getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep NPTL | wc -l || echo 0`
+        if test "$getconfres" -gt 0
+        then
+          AC_DEFINE(HAVE_LINUXTHREADS) dnl All this code predates NPTL, so "have linuxthreads" is a poor name.
+          with_named_thread="-lpthread"
+        else
+          AC_MSG_ERROR([This is a Linux system and neither Linuxthreads nor NPTL were
+found. Please install Linuxthreads or a new glibc and try 
+again.  See the Installation chapter in the Reference Manual for 
+more information.])
+        fi
       else
 	AC_MSG_CHECKING("DEC threads")
         if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a

From 665db1a6ade28cc7c6152a7411badbc822792331 Mon Sep 17 00:00:00 2001
From: unknown <pekka@orca.ndb.mysql.com>
Date: Mon, 10 Jul 2006 12:05:51 +0200
Subject: [PATCH 11/19] ndb - bug#20847: non-debug compile fix

ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp:
  non-debug compile fix
---
 ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp b/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
index ad8daff0729..73165dc7738 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupMeta.cpp
@@ -568,7 +568,9 @@ Dbtup::execDROP_TAB_REQ(Signal* signal)
 {
   ljamEntry();
   if (ERROR_INSERTED(4013)) {
+#ifdef VM_TRACE
     verifytabdes();
+#endif
   }
   DropTabReq* req = (DropTabReq*)signal->getDataPtr();
   
@@ -690,7 +692,9 @@ void Dbtup::execFSREMOVECONF(Signal* signal)
   initTab(tabPtr.p);
   if (ERROR_INSERTED(4013)) {
     CLEAR_ERROR_INSERT_VALUE;
+#ifdef VM_TRACE
     verifytabdes();
+#endif
   }
 }//Dbtup::execFSREMOVECONF()
 

From 019e221ca1a8be892e736f87e2b64df47ed91656 Mon Sep 17 00:00:00 2001
From: unknown <cmiller@zippy.(none)>
Date: Mon, 10 Jul 2006 16:38:03 -0400
Subject: [PATCH 12/19] A patch to Bug#17667 didn't take into consideration
 that the vardir, which contains the server's binlog file, might be set to a
 different directory.  This adds a new "vardir" parameter, which takes the
 name of the directory as a value, so that the test_bug17667() test can find
 the binlog.

mysql-test/mysql-test-run.pl:
  Add the "vardir" to the options passed to "mysql_test_client", so we know
  where to find the binlog file.
tests/mysql_client_test.c:
  Receive a new option, "vardir".

  Use the vardir option to find the binlog file in test_bug17667() .
---
 mysql-test/mysql-test-run.pl |  1 +
 tests/mysql_client_test.c    | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 5226e6f80df..a3040127fcc 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -3069,6 +3069,7 @@ sub run_mysqltest ($) {
   my $cmdline_mysql_client_test=
     "$exe_mysql_client_test --no-defaults --testcase --user=root --silent " .
     "--port=$master->[0]->{'path_myport'} " .
+    "--vardir=$opt_vardir " .
     "--socket=$master->[0]->{'path_mysock'}";
 
   if ( $glob_use_embedded_server )
diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c
index 3876de58b0e..2e8a3c7f4e9 100644
--- a/tests/mysql_client_test.c
+++ b/tests/mysql_client_test.c
@@ -58,6 +58,7 @@ static unsigned int iter_count= 0;
 static my_bool have_innodb= FALSE;
 
 static const char *opt_basedir= "./";
+static const char *opt_vardir= "mysql-test/var";
 
 static longlong opt_getopt_ll_test= 0;
 
@@ -14850,6 +14851,7 @@ static void test_bug17667()
 
   struct buffer_and_length *statement_cursor;
   FILE *log_file;
+  char *master_log_filename;
 
   myheader("test_bug17667");
 
@@ -14861,7 +14863,13 @@ static void test_bug17667()
   }
 
   sleep(1); /* The server may need time to flush the data to the log. */
-  log_file= fopen("var/log/master.log", "r");
+
+  master_log_filename = (char *) malloc(strlen(opt_vardir) + strlen("/log/master.log") + 1);
+  strcpy(master_log_filename, opt_vardir);
+  strcat(master_log_filename, "/log/master.log");
+  log_file= fopen(master_log_filename, "r");
+  free(master_log_filename);
+
   if (log_file != NULL) {
 
     for (statement_cursor= statements; statement_cursor->buffer != NULL;
@@ -14883,8 +14891,8 @@ static void test_bug17667()
     printf("success.  All queries found intact in the log.\n");
 
   } else {
-    fprintf(stderr, "Could not find the log file, var/log/master.log, so "
-        "test_bug17667 is \ninconclusive.  Run test from the "
+    fprintf(stderr, "Could not find the log file, VARDIR/log/master.log, "
+        "so test_bug17667 \nis inconclusive.  Run test from the "
         "mysql-test/mysql-test-run* program \nto set up the correct "
         "environment for this test.\n\n");
   }
@@ -14971,6 +14979,8 @@ static struct my_option client_test_long_options[] =
   {"user", 'u', "User for login if not current user", (char **) &opt_user,
    (char **) &opt_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 #endif
+  {"vardir", 'v', "Data dir for tests.", (gptr*) &opt_vardir,
+   (gptr*) &opt_vardir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"getopt-ll-test", 'g', "Option for testing bug in getopt library",
    (char **) &opt_getopt_ll_test, (char **) &opt_getopt_ll_test, 0,
    GET_LL, REQUIRED_ARG, 0, 0, LONGLONG_MAX, 0, 0, 0},

From 27721ce53fb764fccb0ce44ee3b416b616262c75 Mon Sep 17 00:00:00 2001
From: unknown <pekka@orca.ndb.mysql.com>
Date: Tue, 11 Jul 2006 17:07:23 +0200
Subject: [PATCH 13/19] ndb - (4.1) trivial fix to error.log (wday=0 was
 printed as "x")

ndb/src/kernel/error/TimeModule.cpp:
  0=Sunday
---
 ndb/src/kernel/error/TimeModule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ndb/src/kernel/error/TimeModule.cpp b/ndb/src/kernel/error/TimeModule.cpp
index 4bd8e3daf99..c4e569e7221 100644
--- a/ndb/src/kernel/error/TimeModule.cpp
+++ b/ndb/src/kernel/error/TimeModule.cpp
@@ -22,7 +22,7 @@
 static const char* cMonth[]  = { "x", "January", "February", "Mars", "April", "May", "June",
 				 "July", "August", "September", "October", "November", "December"};
 
-static const char* cDay[]    = { "x", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+static const char* cDay[]    = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
 				 "Saturday", "Sunday"};
 
 static const char* cHour[]   = { "00","01","02","03","04","05","06","07","08","09","10","11","12",

From 4bfb28e22c81bd9e3086c170280746d9c3b7a7c2 Mon Sep 17 00:00:00 2001
From: unknown <cmiller@calliope.local>
Date: Wed, 12 Jul 2006 10:26:19 -0400
Subject: [PATCH 14/19] Bug#18470: Compile Failure: strings.s fails make with
 unknown pseudo-ops

The bug is thqt we use some nonstandard assembly codes in our strings
source, and some assemblers don't know what to do with them:  Specifically,
Sun's Solaris assembler and Apple's Darwin assembler balk at them.

This patch, rather than trying to test for properties of the assembler,
which Autoconf doesn't have any decent facilites for, instead tries to
compile the code in question and disables assembly if it fails.

There's still the problem of unportable assembly, but I'll leave that
to someone who feels like rewriting and debugging it.


configure.in:
  Actually try to compile the code in question, since a test for the CPU
  type is insufficient to determine whether our code will compile.
---
 configure.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index b230b7f042e..b32426595ad 100644
--- a/configure.in
+++ b/configure.in
@@ -718,7 +718,7 @@ AC_ARG_ENABLE(assembler,
 
 AC_MSG_CHECKING(if we should use assembler functions)
 # For now we only support assembler on i386 and sparc systems
-AM_CONDITIONAL(ASSEMBLER_x86, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "i386")
+AM_CONDITIONAL(ASSEMBLER_x86, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "i386" && $AS strings/strings-x86.s -o checkassembler >/dev/null 2>&1 && test -f checkassembler && (rm -f checkassembler; exit 0;))
 AM_CONDITIONAL(ASSEMBLER_sparc32, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "sparc")
 AM_CONDITIONAL(ASSEMBLER_sparc64, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "sparcv9")
 AM_CONDITIONAL(ASSEMBLER, test "$ASSEMBLER_x86_TRUE" = "" -o "$ASSEMBLER_sparc32_TRUE" = "")

From 754a0923d05bb824e6eb8225a6ecd29e58ded2e4 Mon Sep 17 00:00:00 2001
From: unknown <iggy@rolltop.ignatz42.dyndns.org>
Date: Thu, 13 Jul 2006 10:48:34 -0400
Subject: [PATCH 15/19] Bug #19779: mysql_explain_log documentation is
 outdated.

scripts/mysql_explain_log.sh:
  Changed explain_log.pl to mysql_explain_log.  Added usage information for printerror. Minor cleanup.
---
 scripts/mysql_explain_log.sh | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/scripts/mysql_explain_log.sh b/scripts/mysql_explain_log.sh
index 973d9e8a363..fd468fdf091 100644
--- a/scripts/mysql_explain_log.sh
+++ b/scripts/mysql_explain_log.sh
@@ -1,5 +1,6 @@
-#!@PERL@ -w
+#!@PERL@
 use strict;
+use warnings;
 use DBI;
 
 use Getopt::Long;
@@ -58,7 +59,7 @@ else {
   }
   else {
     $Param->{Start} = time;
-    while(<STDIN>) {
+    while(<>) {
       $Param->{LineCount} ++ ;
 
       if ($Param->{ViewDate} ) {
@@ -317,6 +318,8 @@ Usage: $0 [OPTIONS] < LOGFILE
 -p=PASSWORD
 --socket=SOCKET     mysqld socket file to connect
 -s=SOCKET
+--printerror=1      enable error output
+-e 1
 
 Read logfile from STDIN an try to EXPLAIN all SELECT statements. All UPDATE statements are rewritten to an EXPLAIN SELECT statement. The results of the EXPLAIN statement are collected and counted. All results with type=ALL are collected in an separete list. Results are printed to STDOUT.
 
@@ -331,7 +334,7 @@ __END__
 
 =head1 NAME
 
-explain_log.pl
+mysql_explain_log
 
 Feed a mysqld general logfile (created with mysqld --log) back into mysql
 and collect statistics about index usage with EXPLAIN.
@@ -348,7 +351,7 @@ Then add indices to avoid table scans and remove those which aren't used.
 
 =head1 USAGE
 
-explain_log.pl [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw] [--socket=/path/to/socket] < logfile
+mysql_explain_log [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw] [--socket=/path/to/socket] < logfile
 
 --date=YYMMDD       select only entrys of date
 
@@ -370,21 +373,20 @@ explain_log.pl [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw]
 
 -s=SOCKET
 
+--printerror=1      enable error output
+
+-e 1
+
 =head1 EXAMPLE
 
-explain_log.pl --host=localhost --user=foo --password=bar < /var/lib/mysql/mobile.log
+mysql_explain_log --host=localhost --user=foo --password=bar < /var/lib/mysql/mobile.log
 
 =head1 AUTHORS
 
   Stefan Nitz
-  Jan Willamowius <jan@mobile.de>, http://www.mobile.de
+  Jan Willamowius <jan@willamowius.de>, http://www.willamowius.de
   Dennis Haney <davh@davh.dk> (Added socket support)
 
-=head1 RECRUITING
-
-If you are looking for a MySQL or Perl job, take a look at http://www.mobile.de
-and send me an email with your resume (you must be speaking German!).
-
 =head1 SEE ALSO
 
 mysql documentation

From f27e9254ecb2229f143fc34b894c543da7db841e Mon Sep 17 00:00:00 2001
From: unknown <tnurnberg@mysql.com/salvation.intern.azundris.com>
Date: Fri, 14 Jul 2006 01:25:13 +0200
Subject: [PATCH 16/19] Bug#21014: Segmentation fault of mysqldump on view

mysqldump did not select the correct database before trying to dump
views from it. this resulted in an empty result set, which in turn
startled mysql-dump into a core-dump.  this only happened for views,
not for tables, and was only visible with multiple databases that
weren't by sheer luck in the order mysqldump required, anyway. this
fixes by selecting the correct database before dumping views; it also
catches the empty set-condition if it should occur for other reasons.


client/mysqldump.c:
  Bug#21014: Segmentation fault of mysqldump on view

  failsafe: if "select ... from information_schema.views" returns an
  empty set, don't deref NULL; throw an error instead.

  fix: select the correct database not only before dumping tables, but
  before dumping views, as well.
mysql-test/r/mysqldump.result:
  Bug#21014: Segmentation fault of mysqldump on view

  show that mysqldump selects the correct database before trying to dump
  views from it.
mysql-test/t/mysqldump.test:
  Bug#21014: Segmentation fault of mysqldump on view

  show that mysqldump selects the correct database before trying to dump
  views from it.
---
 client/mysqldump.c            | 11 +++++--
 mysql-test/r/mysqldump.result | 61 +++++++++++++++++++++++++++++++++++
 mysql-test/t/mysqldump.test   | 18 +++++++++++
 3 files changed, 88 insertions(+), 2 deletions(-)

diff --git a/client/mysqldump.c b/client/mysqldump.c
index 53cb06be6f3..9469815bfaf 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -2781,6 +2781,12 @@ static my_bool dump_all_views_in_db(char *database)
   uint numrows;
   char table_buff[NAME_LEN*2+3];
 
+  if (mysql_select_db(sock, database))
+  {
+    DB_error(sock, "when selecting the database");
+    return 1;
+  }
+
   if (opt_xml)
     print_xml_tag1(md_result_file, "", "database name=", database, "\n");
   if (lock_tables)
@@ -3436,12 +3442,13 @@ static my_bool get_view_structure(char *table, char* db)
     mysql_free_result(table_res);
 
     /* Get the result from "select ... information_schema" */
-    if (!(table_res= mysql_store_result(sock)))
+    if (!(table_res= mysql_store_result(sock)) ||
+        !(row= mysql_fetch_row(table_res)))
     {
       safe_exit(EX_MYSQLERR);
       DBUG_RETURN(1);
     }
-    row= mysql_fetch_row(table_res);
+
     lengths= mysql_fetch_lengths(table_res);
 
     /*
diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index f9714e067e6..dc5886107ed 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -2844,3 +2844,64 @@ DROP TABLE IF EXISTS `v1`;
 drop view v1;
 drop table t1;
 drop database mysqldump_test_db;
+create database mysqldump_tables;
+use mysqldump_tables;
+create table basetable ( id serial, tag varchar(64) );
+create database mysqldump_views;
+use mysqldump_views;
+create view nasishnasifu as select mysqldump_tables.basetable.id from mysqldump_tables.basetable;
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8 */;
+/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
+/*!40103 SET TIME_ZONE='+00:00' */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+
+CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqldump_tables` /*!40100 DEFAULT CHARACTER SET latin1 */;
+
+USE `mysqldump_tables`;
+DROP TABLE IF EXISTS `basetable`;
+CREATE TABLE `basetable` (
+  `id` bigint(20) unsigned NOT NULL auto_increment,
+  `tag` varchar(64) default NULL,
+  UNIQUE KEY `id` (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+
+
+/*!40000 ALTER TABLE `basetable` DISABLE KEYS */;
+LOCK TABLES `basetable` WRITE;
+UNLOCK TABLES;
+/*!40000 ALTER TABLE `basetable` ENABLE KEYS */;
+
+CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqldump_views` /*!40100 DEFAULT CHARACTER SET latin1 */;
+
+USE `mysqldump_views`;
+DROP TABLE IF EXISTS `nasishnasifu`;
+/*!50001 DROP VIEW IF EXISTS `nasishnasifu`*/;
+/*!50001 CREATE TABLE `nasishnasifu` (
+  `id` bigint(20) unsigned
+) */;
+/*!50001 DROP TABLE IF EXISTS `nasishnasifu`*/;
+/*!50001 DROP VIEW IF EXISTS `nasishnasifu`*/;
+/*!50001 CREATE ALGORITHM=UNDEFINED */
+/*!50013 DEFINER=`root`@`localhost` SQL SECURITY DEFINER */
+/*!50001 VIEW `mysqldump_views`.`nasishnasifu` AS select `mysqldump_tables`.`basetable`.`id` AS `id` from `mysqldump_tables`.`basetable` */;
+/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+
+drop view nasishnasifu;
+drop database mysqldump_views;
+drop table mysqldump_tables.basetable;
+drop database mysqldump_tables;
diff --git a/mysql-test/t/mysqldump.test b/mysql-test/t/mysqldump.test
index 4a355897adb..858d8910781 100644
--- a/mysql-test/t/mysqldump.test
+++ b/mysql-test/t/mysqldump.test
@@ -1194,6 +1194,7 @@ drop table t1;
 --exec $MYSQL_DUMP --force -N --compact --skip-comments test
 --echo } mysqldump
 drop view v1;
+
 # BUG#17201 Spurious 'DROP DATABASE' in output,
 # also confusion between tables and views.
 # Example code from Markus Popp
@@ -1210,3 +1211,20 @@ insert into t1 values (0815);
 drop view v1;
 drop table t1;
 drop database mysqldump_test_db;
+
+# Bug21014 Segmentation fault of mysqldump on view
+
+create database mysqldump_tables;
+use mysqldump_tables;
+create table basetable ( id serial, tag varchar(64) );
+
+create database mysqldump_views;
+use mysqldump_views;
+create view nasishnasifu as select mysqldump_tables.basetable.id from mysqldump_tables.basetable;
+
+--exec $MYSQL_DUMP --skip-comments --databases mysqldump_tables mysqldump_views;
+
+drop view nasishnasifu;
+drop database mysqldump_views;
+drop table mysqldump_tables.basetable;
+drop database mysqldump_tables;

From 23c514508e45cc179e750251d912da34ce8d404b Mon Sep 17 00:00:00 2001
From: unknown <igreenhoe/greenman@anubis.greendragongames.com>
Date: Fri, 14 Jul 2006 05:56:30 -0700
Subject: [PATCH 17/19] 4.1 -> 5.0 merge fixes

---
 mysql-test/r/mysqldump-max.result | 12 ------------
 mysql-test/r/mysqldump.result     |  1 -
 mysql-test/r/ps.result            | 28 ++++++++++++++--------------
 sql/sql_lex.cc                    |  1 -
 sql/table.cc                      |  1 -
 5 files changed, 14 insertions(+), 29 deletions(-)

diff --git a/mysql-test/r/mysqldump-max.result b/mysql-test/r/mysqldump-max.result
index 39d607910aa..78867d1e430 100644
--- a/mysql-test/r/mysqldump-max.result
+++ b/mysql-test/r/mysqldump-max.result
@@ -115,7 +115,6 @@ CREATE TABLE `t1` (
   `name` varchar(32) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
@@ -125,7 +124,6 @@ CREATE TABLE `t2` (
   `name` varchar(32) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t2` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
@@ -135,7 +133,6 @@ CREATE TABLE `t3` (
   `name` varchar(32) default NULL
 ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t3` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t3` ENABLE KEYS */;
@@ -145,7 +142,6 @@ CREATE TABLE `t4` (
   `name` varchar(32) default NULL
 ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t4` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t4` ENABLE KEYS */;
@@ -155,7 +151,6 @@ CREATE TABLE `t5` (
   `name` varchar(32) default NULL
 ) ENGINE=ARCHIVE DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t5` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t5` ENABLE KEYS */;
@@ -165,7 +160,6 @@ CREATE TABLE `t6` (
   `name` varchar(32) default NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t6` DISABLE KEYS */;
 INSERT  IGNORE INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t6` ENABLE KEYS */;
@@ -200,7 +194,6 @@ CREATE TABLE `t1` (
   `name` varchar(32) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT  DELAYED INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
@@ -210,7 +203,6 @@ CREATE TABLE `t2` (
   `name` varchar(32) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t2` DISABLE KEYS */;
 INSERT  DELAYED INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
@@ -220,7 +212,6 @@ CREATE TABLE `t3` (
   `name` varchar(32) default NULL
 ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t3` DISABLE KEYS */;
 INSERT  DELAYED INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t3` ENABLE KEYS */;
@@ -230,7 +221,6 @@ CREATE TABLE `t4` (
   `name` varchar(32) default NULL
 ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t4` DISABLE KEYS */;
 INSERT  DELAYED INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t4` ENABLE KEYS */;
@@ -240,7 +230,6 @@ CREATE TABLE `t5` (
   `name` varchar(32) default NULL
 ) ENGINE=ARCHIVE DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t5` DISABLE KEYS */;
 INSERT  DELAYED INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t5` ENABLE KEYS */;
@@ -250,7 +239,6 @@ CREATE TABLE `t6` (
   `name` varchar(32) default NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t6` DISABLE KEYS */;
 INSERT INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
 /*!40000 ALTER TABLE `t6` ENABLE KEYS */;
diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index a6311bde387..ab3be183d3d 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -656,7 +656,6 @@ CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
 /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
 INSERT  DELAYED IGNORE INTO `t1` VALUES (1),(2),(3),(4),(5),(6);
 /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index b40abb17120..3d352a02ad2 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -485,6 +485,20 @@ execute stmt;
 pnum
 deallocate prepare stmt;
 drop table t1, t2;
+drop table if exists t1;
+create temporary table if not exists t1 (a1 int);
+prepare stmt from "delete t1 from t1 where (cast(a1/3 as unsigned) * 3) = a1";
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+create temporary table if not exists t1 (a1 int);
+execute stmt;
+drop temporary table t1;
+deallocate prepare stmt;
 create table t1 (a varchar(20));
 insert into t1 values ('foo');
 prepare stmt FROM 'SELECT char_length (a) FROM t1';
@@ -502,20 +516,6 @@ SELECT FOUND_ROWS();
 FOUND_ROWS()
 2
 deallocate prepare stmt;
-drop table if exists t1;
-create temporary table if not exists t1 (a1 int);
-prepare stmt from "delete t1 from t1 where (cast(a1/3 as unsigned) * 3) = a1";
-drop temporary table t1;
-create temporary table if not exists t1 (a1 int);
-execute stmt;
-drop temporary table t1;
-create temporary table if not exists t1 (a1 int);
-execute stmt;
-drop temporary table t1;
-create temporary table if not exists t1 (a1 int);
-execute stmt;
-drop temporary table t1;
-deallocate prepare stmt;
 create table t1 (a char(3) not null, b char(3) not null,
 c char(3) not null, primary key  (a, b, c));
 create table t2 like t1;
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index 5bccff658f2..7d4dca15608 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -124,7 +124,6 @@ void lex_start(THD *thd, uchar *buf,uint length)
   lex->value_list.empty();
   lex->update_list.empty();
   lex->param_list.empty();
-  lex->auxilliary_table_list.empty();
   lex->view_list.empty();
   lex->prepared_stmt_params.empty();
   lex->unit.next= lex->unit.master=
diff --git a/sql/table.cc b/sql/table.cc
index 55e1575b9a3..e50b401df5f 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -2999,7 +2999,6 @@ void st_table_list::reinit_before_use(THD * /* thd */)
     were closed in the end of previous prepare or execute call.
   */
   table= 0;
-  table_list= 0;
 }
 
 

From 1486a426df619aa2ce29f66a6184291e0f127a04 Mon Sep 17 00:00:00 2001
From: unknown <igreenhoe/greenman@anubis.greendragongames.com>
Date: Fri, 14 Jul 2006 13:30:23 -0700
Subject: [PATCH 18/19] 4.1 -> 5.0 merge

---
 mysql-test/r/mysqldump.result | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index 6803533eefa..118079906bf 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -2835,11 +2835,10 @@ CREATE TABLE `basetable` (
   UNIQUE KEY `id` (`id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
-
-/*!40000 ALTER TABLE `basetable` DISABLE KEYS */;
 LOCK TABLES `basetable` WRITE;
-UNLOCK TABLES;
+/*!40000 ALTER TABLE `basetable` DISABLE KEYS */;
 /*!40000 ALTER TABLE `basetable` ENABLE KEYS */;
+UNLOCK TABLES;
 
 CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqldump_views` /*!40100 DEFAULT CHARACTER SET latin1 */;
 

From 4e59d30dc9ef76c79c8e8c92bfad9b394d4d5c9b Mon Sep 17 00:00:00 2001
From: unknown <timour/timka@lamia.home>
Date: Fri, 21 Jul 2006 11:59:46 +0300
Subject: [PATCH 19/19] Fix for BUG#21007.

The problem was that store_top_level_join_columns() incorrectly assumed
that the left/right neighbor of a nested join table reference can be only
at the same level in the join tree.

The fix checks if the current nested join table reference has no immediate
left/right neighbor, and if so chooses the left/right neighbors of the
nearest upper level, where these references are != NULL.


mysql-test/r/group_min_max.result:
  Test for BUG#21007.
mysql-test/t/group_min_max.test:
  Test for BUG#21007.
sql/sql_base.cc:
  After computing and materializing the columns of all NATURAL joins in a FROM clause,
  the procedure store_top_level_join_columns() has to change the current natural join
  into a leaf table reference for name resolution. For this it needs to make the left
  neighbor point to the natural join table reference, and the natural join itself point
  to its left neighbor.

  This fix correctly determines the left/right neighbors of a table reference, even if
  the neghbors are at higher levels in the nested join tree. The rule is that if a table
  reference has no immediate left/right neighbors, we recursively pick the left/right
  neighbor of the level(s) above.
---
 mysql-test/r/group_min_max.result | 43 +++++++++++++++++++++++++++
 mysql-test/t/group_min_max.test   | 48 +++++++++++++++++++++++++++++++
 sql/sql_base.cc                   | 38 +++++++++++++++---------
 3 files changed, 116 insertions(+), 13 deletions(-)

diff --git a/mysql-test/r/group_min_max.result b/mysql-test/r/group_min_max.result
index d62586dba85..fe6f7c4ca55 100644
--- a/mysql-test/r/group_min_max.result
+++ b/mysql-test/r/group_min_max.result
@@ -2099,3 +2099,46 @@ SOUTH EAST	SOUTH EAST
 SOUTH WEST	SOUTH WEST
 WESTERN	WESTERN
 DROP TABLE t1;
+CREATE TABLE t1 (id1 INT, id2 INT);
+CREATE TABLE t2 (id2 INT, id3 INT, id5 INT);
+CREATE TABLE t3 (id3 INT, id4 INT);
+CREATE TABLE t4 (id4 INT);
+CREATE TABLE t5 (id5 INT, id6 INT);
+CREATE TABLE t6 (id6 INT);
+INSERT INTO t1 VALUES(1,1);
+INSERT INTO t2 VALUES(1,1,1);
+INSERT INTO t3 VALUES(1,1);
+INSERT INTO t4 VALUES(1);
+INSERT INTO t5 VALUES(1,1);
+INSERT INTO t6 VALUES(1);
+SELECT * FROM
+t1
+NATURAL JOIN
+(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
+ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
+id2	id1	id3	id5	id4	id3	id6	id5
+1	1	1	1	1	1	1	1
+SELECT * FROM
+t1
+NATURAL JOIN
+(((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2
+ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
+id2	id1	id4	id3	id6	id5	id3	id5
+1	1	1	1	1	1	1	1
+SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2);
+id2	id1	id3	id4	id6	id5	id3	id5
+1	1	1	1	1	1	1	1
+SELECT * FROM
+(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
+ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5))
+NATURAL JOIN
+t1;
+id2	id3	id5	id4	id3	id6	id5	id1
+1	1	1	1	1	1	1	1
+SELECT * FROM
+(t2 JOIN ((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6)))
+NATURAL JOIN
+t1;
+id2	id3	id5	id4	id3	id6	id5	id1
+1	1	1	1	1	1	1	1
+DROP TABLE t1,t2,t3,t4,t5,t6;
diff --git a/mysql-test/t/group_min_max.test b/mysql-test/t/group_min_max.test
index 874f3cd1a80..5427727a8f4 100644
--- a/mysql-test/t/group_min_max.test
+++ b/mysql-test/t/group_min_max.test
@@ -746,3 +746,51 @@ EXPLAIN SELECT DISTINCT a,a FROM t1 ORDER BY a;
 SELECT DISTINCT a,a FROM t1 ORDER BY a;  
 
 DROP TABLE t1;
+
+#
+# Bug #21007: NATURAL JOIN (any JOIN (2 x NATURAL JOIN)) crashes the server
+#
+
+CREATE TABLE t1 (id1 INT, id2 INT);
+CREATE TABLE t2 (id2 INT, id3 INT, id5 INT);
+CREATE TABLE t3 (id3 INT, id4 INT);
+CREATE TABLE t4 (id4 INT);
+CREATE TABLE t5 (id5 INT, id6 INT);
+CREATE TABLE t6 (id6 INT);
+
+INSERT INTO t1 VALUES(1,1);
+INSERT INTO t2 VALUES(1,1,1);
+INSERT INTO t3 VALUES(1,1);
+INSERT INTO t4 VALUES(1);
+INSERT INTO t5 VALUES(1,1);
+INSERT INTO t6 VALUES(1);
+
+-- original bug query
+SELECT * FROM
+t1
+  NATURAL JOIN
+(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
+    ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
+
+-- inner join swapped
+SELECT * FROM
+t1
+  NATURAL JOIN
+(((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2
+    ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
+
+-- one join less, no ON cond
+SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2);
+
+-- wrong error message: 'id2' - ambiguous column
+SELECT * FROM
+(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
+    ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5))
+  NATURAL JOIN
+t1;
+SELECT * FROM
+(t2 JOIN ((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6)))
+  NATURAL JOIN
+t1;
+
+DROP TABLE t1,t2,t3,t4,t5,t6;
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 5383bb52aaa..7f9076bb46e 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -4041,36 +4041,48 @@ store_top_level_join_columns(THD *thd, TABLE_LIST *table_ref,
   if (table_ref->nested_join)
   {
     List_iterator_fast<TABLE_LIST> nested_it(table_ref->nested_join->join_list);
-    TABLE_LIST *cur_left_neighbor= nested_it++;
-    TABLE_LIST *cur_right_neighbor= NULL;
+    TABLE_LIST *same_level_left_neighbor= nested_it++;
+    TABLE_LIST *same_level_right_neighbor= NULL;
+    /* Left/right-most neighbors, possibly at higher levels in the join tree. */
+    TABLE_LIST *real_left_neighbor, *real_right_neighbor;
 
-    while (cur_left_neighbor)
+    while (same_level_left_neighbor)
     {
-      TABLE_LIST *cur_table_ref= cur_left_neighbor;
-      cur_left_neighbor= nested_it++;
+      TABLE_LIST *cur_table_ref= same_level_left_neighbor;
+      same_level_left_neighbor= nested_it++;
       /*
         The order of RIGHT JOIN operands is reversed in 'join list' to
         transform it into a LEFT JOIN. However, in this procedure we need
         the join operands in their lexical order, so below we reverse the
-        join operands. Notice that this happens only in the first loop, and
-        not in the second one, as in the second loop cur_left_neighbor == NULL.
-        This is the correct behavior, because the second loop
-        sets cur_table_ref reference correctly after the join operands are
+        join operands. Notice that this happens only in the first loop,
+        and not in the second one, as in the second loop
+        same_level_left_neighbor == NULL.
+        This is the correct behavior, because the second loop sets
+        cur_table_ref reference correctly after the join operands are
         swapped in the first loop.
       */
-      if (cur_left_neighbor &&
+      if (same_level_left_neighbor &&
           cur_table_ref->outer_join & JOIN_TYPE_RIGHT)
       {
         /* This can happen only for JOIN ... ON. */
         DBUG_ASSERT(table_ref->nested_join->join_list.elements == 2);
-        swap_variables(TABLE_LIST*, cur_left_neighbor, cur_table_ref);
+        swap_variables(TABLE_LIST*, same_level_left_neighbor, cur_table_ref);
       }
 
+      /*
+        Pick the parent's left and right neighbors if there are no immediate
+        neighbors at the same level.
+      */
+      real_left_neighbor=  (same_level_left_neighbor) ?
+                           same_level_left_neighbor : left_neighbor;
+      real_right_neighbor= (same_level_right_neighbor) ?
+                           same_level_right_neighbor : right_neighbor;
+
       if (cur_table_ref->nested_join &&
           store_top_level_join_columns(thd, cur_table_ref,
-                                       cur_left_neighbor, cur_right_neighbor))
+                                       real_left_neighbor, real_right_neighbor))
         goto err;
-      cur_right_neighbor= cur_table_ref;
+      same_level_right_neighbor= cur_table_ref;
     }
   }