Bug#32430: 'show innodb status' causes errors

Invalid (old?) table or database name in logs

Problem was still not completely fixed, due to
qouting.

This is the server side only fix (in explain_filename),
the change from filename_to_tablename to use explain_filename
in the InnoDB code must be done before the bug is
fixed.

mysql-test/include/have_not_innodb_plugin.inc

+disable_query_log;
+--require r/not_true.require
+select (PLUGIN_LIBRARY LIKE 'ha_innodb_plugin%') as `TRUE` from information_schema.plugins where PLUGIN_NAME='InnoDB';
+enable_query_log;

mysql-test/r/not_true.require

+TRUE
+NULL

mysql-test/r/partition_innodb_builtin.result

+SET NAMES utf8;
+CREATE TABLE `t``\""e` (a INT, PRIMARY KEY (a))
+ENGINE=InnoDB
+PARTITION BY RANGE (a)
+SUBPARTITION BY HASH (a)
+(PARTITION `p0``\""e` VALUES LESS THAN (100)
+(SUBPARTITION `sp0``\""e`,
+SUBPARTITION `sp1``\""e`),
+PARTITION `p1``\""e` VALUES LESS THAN (MAXVALUE)
+(SUBPARTITION `sp2``\""e`,
+SUBPARTITION `sp3``\""e`));
+INSERT INTO `t``\""e` VALUES (0), (2), (6), (10), (14), (18), (22);
+START TRANSACTION;
+# con1
+SET NAMES utf8;
+START TRANSACTION;
+# default connection
+UPDATE `t``\""e` SET a = 16 WHERE a = 0;
+# con1
+UPDATE `t``\""e` SET a = 8 WHERE a = 22;
+UPDATE `t``\""e` SET a = 12 WHERE a = 0;
+# default connection
+UPDATE `t``\""e` SET a = 4 WHERE a = 22;
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+# First table reported in 'SHOW ENGINE InnoDB STATUS'
+SHOW ENGINE InnoDB STATUS;
+Type	Name	Status
+InnoDB		index `PRIMARY` of table `test`.`t``\""e` /* Partition `p0``\""e`, Subpartition `sp0``\""e` */
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+SHOW ENGINE InnoDB STATUS;
+Type	Name	Status
+InnoDB		index `PRIMARY` of table `test`.`t``\""e` /* Partition `p0``\""e`, Subpartition `sp0``\""e` */
+set @@sql_mode = @old_sql_mode;
+# con1
+ROLLBACK;
+# default connection
+DROP TABLE `t``\""e`;
+SET NAMES DEFAULT;

mysql-test/r/partition_innodb_plugin.result

+SET NAMES utf8;
+CREATE TABLE `t``\""e` (a INT, PRIMARY KEY (a))
+ENGINE=InnoDB
+PARTITION BY RANGE (a)
+SUBPARTITION BY HASH (a)
+(PARTITION `p0``\""e` VALUES LESS THAN (100)
+(SUBPARTITION `sp0``\""e`,
+SUBPARTITION `sp1``\""e`),
+PARTITION `p1``\""e` VALUES LESS THAN (MAXVALUE)
+(SUBPARTITION `sp2``\""e`,
+SUBPARTITION `sp3``\""e`));
+INSERT INTO `t``\""e` VALUES (0), (2), (6), (10), (14), (18), (22);
+START TRANSACTION;
+# con1
+SET NAMES utf8;
+START TRANSACTION;
+# default connection
+UPDATE `t``\""e` SET a = 16 WHERE a = 0;
+# con1
+UPDATE `t``\""e` SET a = 8 WHERE a = 22;
+UPDATE `t``\""e` SET a = 12 WHERE a = 0;
+# default connection
+SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
+GROUP BY lock_table;
+lock_table	COUNT(*)
+`test`.`t``\""e` /* Partition `p0``\""e`, Subpartition `sp0``\""e` */	2
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
+GROUP BY lock_table;
+lock_table	COUNT(*)
+"test"."t`\""""e" /* Partition "p0`\""""e", Subpartition "sp0`\""""e" */	2
+set @@sql_mode = @old_sql_mode;
+UPDATE `t``\""e` SET a = 4 WHERE a = 22;
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+# First table reported in 'SHOW ENGINE InnoDB STATUS'
+SHOW ENGINE InnoDB STATUS;
+Type	Name	Status
+InnoDB		index `PRIMARY` of table `test`.`t``\""e` /* Partition `p0``\""e`, Subpartition `sp0``\""e` */
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+SHOW ENGINE InnoDB STATUS;
+Type	Name	Status
+InnoDB		index `PRIMARY` of table `test`.`t``\""e` /* Partition `p0``\""e`, Subpartition `sp0``\""e` */
+set @@sql_mode = @old_sql_mode;
+# con1
+ROLLBACK;
+# default connection
+DROP TABLE `t``\""e`;
+SET NAMES DEFAULT;

mysql-test/t/disabled.def

@@ -13,4 +13,5 @@ kill                     : Bug#37780 2008-12-03 HHunger need some changes to be
 innodb_bug39438          : Bug#42383 2009-01-28 lsoares "This fails in embedded and on windows.  Note that this test is not run on windows and on embedded in PB for main trees currently"
 query_cache_28249        : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically
 init_connect             : Bug#44920 2009-07-06 pcrews MTR not processing master.opt input properly on Windows.  *Must be done this way due to the nature of the bug*
-
+partition_innodb_builtin : Bug#32430 2009-09-25 mattiasj Waiting for push of Innodb changes
+partition_innodb_plugin  : Bug#32430 2009-09-25 mattiasj Waiting for push of Innodb changes

mysql-test/t/partition_innodb_builtin.test

+--source include/have_partition.inc
+--source include/have_innodb.inc
+--source include/have_not_innodb_plugin.inc
+
+#
+# Bug#32430 - show engine innodb status causes errors
+#
+SET NAMES utf8;
+CREATE TABLE `t``\""e` (a INT, PRIMARY KEY (a))
+ENGINE=InnoDB
+PARTITION BY RANGE (a)
+SUBPARTITION BY HASH (a)
+(PARTITION `p0``\""e` VALUES LESS THAN (100)
+ (SUBPARTITION `sp0``\""e`,
+  SUBPARTITION `sp1``\""e`),
+ PARTITION `p1``\""e` VALUES LESS THAN (MAXVALUE)
+ (SUBPARTITION `sp2``\""e`,
+  SUBPARTITION `sp3``\""e`));
+INSERT INTO `t``\""e` VALUES (0), (2), (6), (10), (14), (18), (22);
+START TRANSACTION;
+--echo # con1
+connect(con1,localhost,root,,);
+SET NAMES utf8;
+START TRANSACTION;
+--echo # default connection
+connection default;
+UPDATE `t``\""e` SET a = 16 WHERE a = 0;
+--echo # con1
+connection con1;
+UPDATE `t``\""e` SET a = 8 WHERE a = 22;
+let $id_1= `SELECT CONNECTION_ID()`;
+SEND;
+UPDATE `t``\""e` SET a = 12 WHERE a = 0;
+--echo # default connection
+connection default;
+let $wait_timeout= 2;
+let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
+WHERE ID = $id_1 AND STATE = 'Searching rows for update';
+--source include/wait_condition.inc
+#--echo # tested wait condition $wait_condition_reps times
+--error ER_LOCK_DEADLOCK
+UPDATE `t``\""e` SET a = 4 WHERE a = 22;
+--echo # First table reported in 'SHOW ENGINE InnoDB STATUS'
+# RECORD LOCKS space id 0 page no 50 n bits 80 index `PRIMARY` in \
+# Database `test`, Table `t1`, Partition `p0`, Subpartition `sp0` \
+# trx id 0 775
+# NOTE: replace_regex is very slow on match copy/past '(.*)' regex's
+# on big texts, removing a lot of text before + after makes it much faster.
+#/.*in (.*) trx.*/\1/
+--replace_regex /.*RECORD LOCKS space id [0-9]* page no [0-9]* n bits [0-9]* // / trx id .*// /.*index .* in //
+SHOW ENGINE InnoDB STATUS;
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+# INNODB_LOCKS only exists in innodb_plugin
+#SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;
+--replace_regex /.*RECORD LOCKS space id [0-9]* page no [0-9]* n bits [0-9]* // / trx id .*// /.*index .* in //
+SHOW ENGINE InnoDB STATUS;
+set @@sql_mode = @old_sql_mode;
+--echo # con1
+connection con1;
+REAP;
+ROLLBACK;
+disconnect con1;
+--echo # default connection
+connection default;
+DROP TABLE `t``\""e`;
+SET NAMES DEFAULT;

mysql-test/t/partition_innodb_plugin.test

+--source include/have_partition.inc
+--source include/have_innodb.inc
+--source suite/innodb/include/have_innodb_plugin.inc
+
+#
+# Bug#32430 - show engine innodb status causes errors
+#
+SET NAMES utf8;
+CREATE TABLE `t``\""e` (a INT, PRIMARY KEY (a))
+ENGINE=InnoDB
+PARTITION BY RANGE (a)
+SUBPARTITION BY HASH (a)
+(PARTITION `p0``\""e` VALUES LESS THAN (100)
+ (SUBPARTITION `sp0``\""e`,
+  SUBPARTITION `sp1``\""e`),
+ PARTITION `p1``\""e` VALUES LESS THAN (MAXVALUE)
+ (SUBPARTITION `sp2``\""e`,
+  SUBPARTITION `sp3``\""e`));
+INSERT INTO `t``\""e` VALUES (0), (2), (6), (10), (14), (18), (22);
+START TRANSACTION;
+--echo # con1
+connect(con1,localhost,root,,);
+SET NAMES utf8;
+START TRANSACTION;
+--echo # default connection
+connection default;
+UPDATE `t``\""e` SET a = 16 WHERE a = 0;
+--echo # con1
+connection con1;
+UPDATE `t``\""e` SET a = 8 WHERE a = 22;
+let $id_1= `SELECT CONNECTION_ID()`;
+SEND;
+UPDATE `t``\""e` SET a = 12 WHERE a = 0;
+--echo # default connection
+connection default;
+let $wait_timeout= 2;
+let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
+WHERE ID = $id_1 AND STATE = 'Searching rows for update';
+--source include/wait_condition.inc
+#--echo # tested wait condition $wait_condition_reps times
+# INNODB_LOCKS only exists in innodb_plugin
+--sorted_result
+SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
+GROUP BY lock_table;
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+--sorted_result
+SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
+GROUP BY lock_table;
+set @@sql_mode = @old_sql_mode;
+--error ER_LOCK_DEADLOCK
+UPDATE `t``\""e` SET a = 4 WHERE a = 22;
+--echo # First table reported in 'SHOW ENGINE InnoDB STATUS'
+# RECORD LOCKS space id 0 page no 50 n bits 80 index `PRIMARY` in \
+# Database `test`, Table `t1`, Partition `p0`, Subpartition `sp0` \
+# trx id 0 775
+# NOTE: replace_regex is very slow on match copy/past '(.*)' regex's
+# on big texts, removing a lot of text before + after makes it much faster.
+#/.*in (.*) trx.*/\1/
+--replace_regex /.*RECORD LOCKS space id [0-9]* page no [0-9]* n bits [0-9]* // / trx id .*// /.*index .* in //
+SHOW ENGINE InnoDB STATUS;
+set @old_sql_mode = @@sql_mode;
+set sql_mode = 'ANSI_QUOTES';
+--replace_regex /.*RECORD LOCKS space id [0-9]* page no [0-9]* n bits [0-9]* // / trx id .*// /.*index .* in //
+SHOW ENGINE InnoDB STATUS;
+set @@sql_mode = @old_sql_mode;
+--echo # con1
+connection con1;
+REAP;
+ROLLBACK;
+disconnect con1;
+--echo # default connection
+connection default;
+DROP TABLE `t``\""e`;
+SET NAMES DEFAULT;

sql/mysql_priv.h

@@ -2277,10 +2277,9 @@ enum enum_explain_filename_mode
 {
   EXPLAIN_ALL_VERBOSE= 0,
   EXPLAIN_PARTITIONS_VERBOSE,
-  EXPLAIN_PARTITIONS_AS_COMMENT,
-  EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING
+  EXPLAIN_PARTITIONS_AS_COMMENT
 };
-uint explain_filename(const char *from, char *to, uint to_length,
+uint explain_filename(THD* thd, const char *from, char *to, uint to_length,
                       enum_explain_filename_mode explain_mode);
 uint filename_to_tablename(const char *from, char *to, uint to_length);
 uint tablename_to_filename(const char *from, char *to, uint to_length);

sql/sql_table.cc

@@ -70,15 +70,21 @@ static void wait_for_kill_signal(THD *thd)
 
 /**
   @brief Helper function for explain_filename
+  @param thd          Thread handle
+  @param to_p         Explained name in system_charset_info
+  @param end_p        End of the to_p buffer
+  @param name         Name to be converted
+  @param name_len     Length of the name, in bytes
 */
-static char* add_identifier(char *to_p, const char * end_p,
-                           const char* name, uint name_len, bool add_quotes)
+static char* add_identifier(THD* thd, char *to_p, const char * end_p,
+                            const char* name, uint name_len)
 {
   uint res;
   uint errors;
   const char *conv_name;
   char tmp_name[FN_REFLEN];
   char conv_string[FN_REFLEN];
+  int quote;
 
   DBUG_ENTER("add_identifier");
   if (!name[name_len])
@@ -102,19 +108,21 @@ static char* add_identifier(char *to_p, const char * end_p,
     conv_name= conv_string;
   }
 
-  if (add_quotes && (end_p - to_p > 2))
+  quote = thd ? get_quote_char_for_identifier(thd, conv_name, res - 1) : '"';
+
+  if (quote != EOF && (end_p - to_p > 2))
   {
-    *(to_p++)= '`';
+    *(to_p++)= (char) quote;
     while (*conv_name && (end_p - to_p - 1) > 0)
     {
       uint length= my_mbcharlen(system_charset_info, *conv_name);
       if (!length)
         length= 1;
-      if (length == 1 && *conv_name == '`')
+      if (length == 1 && *conv_name == (char) quote)
       { 
         if ((end_p - to_p) < 3)
           break;
-        *(to_p++)= '`';
+        *(to_p++)= (char) quote;
         *(to_p++)= *(conv_name++);
       }
       else if (((long) length) < (end_p - to_p))
@@ -125,7 +133,11 @@ static char* add_identifier(char *to_p, const char * end_p,
       else
         break;                               /* string already filled */
     }
-    to_p= strnmov(to_p, "`", end_p - to_p);
+    if (end_p > to_p) {
+      *(to_p++)= (char) quote;
+      if (end_p > to_p)
+	*to_p= 0; /* terminate by NUL, but do not include it in the count */
+    }
   }
   else
     to_p= strnmov(to_p, conv_name, end_p - to_p);
@@ -145,6 +157,7 @@ static char* add_identifier(char *to_p, const char * end_p,
   diagnostic, error etc. when it would be useful to know what a particular
   file [and directory] means. Such as SHOW ENGINE STATUS, error messages etc.
 
+   @param      thd          Thread handle
    @param      from         Path name in my_charset_filename
                             Null terminated in my_charset_filename, normalized
                             to use '/' as directory separation character.
@@ -161,13 +174,12 @@ static char* add_identifier(char *to_p, const char * end_p,
                             [,[ Temporary| Renamed] Partition `p`
                             [, Subpartition `sp`]] *|
                             (| is really a /, and it is all in one line)
-                            EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING ->
-                            same as above but no quotes are added.
 
    @retval     Length of returned string
 */
 
-uint explain_filename(const char *from,
+uint explain_filename(THD* thd,
+		      const char *from,
                       char *to,
                       uint to_length,
                       enum_explain_filename_mode explain_mode)
@@ -281,14 +293,12 @@ uint explain_filename(const char *from,
     {
       to_p= strnmov(to_p, ER(ER_DATABASE_NAME), end_p - to_p);
       *(to_p++)= ' ';
-      to_p= add_identifier(to_p, end_p, db_name, db_name_len, 1);
+      to_p= add_identifier(thd, to_p, end_p, db_name, db_name_len);
       to_p= strnmov(to_p, ", ", end_p - to_p);
     }
     else
     {
-      to_p= add_identifier(to_p, end_p, db_name, db_name_len,
-                           (explain_mode !=
-                            EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
+      to_p= add_identifier(thd, to_p, end_p, db_name, db_name_len);
       to_p= strnmov(to_p, ".", end_p - to_p);
     }
   }
@@ -296,16 +306,13 @@ uint explain_filename(const char *from,
   {
     to_p= strnmov(to_p, ER(ER_TABLE_NAME), end_p - to_p);
     *(to_p++)= ' ';
-    to_p= add_identifier(to_p, end_p, table_name, table_name_len, 1);
+    to_p= add_identifier(thd, to_p, end_p, table_name, table_name_len);
   }
   else
-    to_p= add_identifier(to_p, end_p, table_name, table_name_len,
-                         (explain_mode !=
-                          EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
+    to_p= add_identifier(thd, to_p, end_p, table_name, table_name_len);
   if (part_name)
   {
-    if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT ||
-        explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)
+    if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT)
       to_p= strnmov(to_p, " /* ", end_p - to_p);
     else if (explain_mode == EXPLAIN_PARTITIONS_VERBOSE)
       to_p= strnmov(to_p, " ", end_p - to_p);
@@ -321,20 +328,15 @@ uint explain_filename(const char *from,
     }
     to_p= strnmov(to_p, ER(ER_PARTITION_NAME), end_p - to_p);
     *(to_p++)= ' ';
-    to_p= add_identifier(to_p, end_p, part_name, part_name_len,
-                         (explain_mode !=
-                          EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
+    to_p= add_identifier(thd, to_p, end_p, part_name, part_name_len);
     if (subpart_name)
     {
       to_p= strnmov(to_p, ", ", end_p - to_p);
       to_p= strnmov(to_p, ER(ER_SUBPARTITION_NAME), end_p - to_p);
       *(to_p++)= ' ';
-      to_p= add_identifier(to_p, end_p, subpart_name, subpart_name_len,
-                           (explain_mode !=
-                            EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
+      to_p= add_identifier(thd, to_p, end_p, subpart_name, subpart_name_len);
     }
-    if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT ||
-        explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)
+    if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT)
       to_p= strnmov(to_p, " */", end_p - to_p);
   }
   DBUG_PRINT("exit", ("to '%s'", to));