Merge 5.5.24 back into main 5.5.

This is a weave merge, but without any conflicts.
In 14 source files, the copyright year needed to be updated to 2012.

8 files changed, 74 insertions, 17 deletions

diff --git a/storage/blackhole/ha_blackhole.cc b/storage/blackhole/ha_blackhole.cc
index c12d5afbfa5..5fea81fd269 100644
--- a/storage/blackhole/ha_blackhole.cc
+++ b/storage/blackhole/ha_blackhole.cc
@@ -1,4 +1,4 @@
-/* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+/* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -151,6 +151,7 @@ int ha_blackhole::rnd_next(uchar *buf)
   else
     rc= HA_ERR_END_OF_FILE;
   MYSQL_READ_ROW_DONE(rc);
+  table->status= rc ? STATUS_NOT_FOUND : 0;
   DBUG_RETURN(rc);
 }
 
@@ -241,6 +242,7 @@ int ha_blackhole::index_read_map(uchar * buf, const uchar * key,
   else
     rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= rc ? STATUS_NOT_FOUND : 0;
   DBUG_RETURN(rc);
 }
 
@@ -258,6 +260,7 @@ int ha_blackhole::index_read_idx_map(uchar * buf, uint idx, const uchar * key,
   else
     rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= rc ? STATUS_NOT_FOUND : 0;
   DBUG_RETURN(rc);
 }
 
@@ -274,6 +277,7 @@ int ha_blackhole::index_read_last_map(uchar * buf, const uchar * key,
   else
     rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= rc ? STATUS_NOT_FOUND : 0;
   DBUG_RETURN(rc);
 }
 
@@ -285,6 +289,7 @@ int ha_blackhole::index_next(uchar * buf)
   MYSQL_INDEX_READ_ROW_START(table_share->db.str, table_share->table_name.str);
   rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= STATUS_NOT_FOUND;
   DBUG_RETURN(rc);
 }
 
@@ -296,6 +301,7 @@ int ha_blackhole::index_prev(uchar * buf)
   MYSQL_INDEX_READ_ROW_START(table_share->db.str, table_share->table_name.str);
   rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= STATUS_NOT_FOUND;
   DBUG_RETURN(rc);
 }
 
@@ -307,8 +313,8 @@ int ha_blackhole::index_first(uchar * buf)
   MYSQL_INDEX_READ_ROW_START(table_share->db.str, table_share->table_name.str);
   rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= STATUS_NOT_FOUND;
   DBUG_RETURN(rc);
-  DBUG_RETURN(HA_ERR_END_OF_FILE);
 }
 
 
@@ -319,6 +325,7 @@ int ha_blackhole::index_last(uchar * buf)
   MYSQL_INDEX_READ_ROW_START(table_share->db.str, table_share->table_name.str);
   rc= HA_ERR_END_OF_FILE;
   MYSQL_INDEX_READ_ROW_DONE(rc);
+  table->status= STATUS_NOT_FOUND;
   DBUG_RETURN(rc);
 }
 
diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c
index ce4988c1bfd..5be94a10374 100644
--- a/storage/innobase/dict/dict0dict.c
+++ b/storage/innobase/dict/dict0dict.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -55,6 +55,8 @@ UNIV_INTERN dict_index_t*	dict_ind_compact;
 #include "m_ctype.h" /* my_isspace() */
 #include "ha_prototypes.h" /* innobase_strcasecmp(), innobase_casedn_str()*/
 #include "row0upd.h"
+#include "m_string.h"
+#include "my_sys.h"
 
 #include <ctype.h>
 
@@ -2329,6 +2331,8 @@ dict_foreign_free(
 /*==============*/
 	dict_foreign_t*	foreign)	/*!< in, own: foreign key struct */
 {
+	ut_a(foreign->foreign_table->n_foreign_key_checks_running == 0);
+
 	mem_heap_free(foreign->heap);
 }
 
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 6ef2b7b3a0d..b00b5f08ca0 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2000, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2000, 2012, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, 2009 Google Inc.
 Copyright (c) 2009, Percona Inc.
 
@@ -998,6 +998,9 @@ convert_error_code_to_mysql(
 	case DB_OUT_OF_FILE_SPACE:
 		return(HA_ERR_RECORD_FILE_FULL);
 
+	case DB_TABLE_IN_FK_CHECK:
+		return(HA_ERR_TABLE_IN_FK_CHECK);
+
 	case DB_TABLE_IS_BEING_USED:
 		return(HA_ERR_WRONG_COMMAND);
 
@@ -5852,6 +5855,7 @@ ha_innobase::index_read(
 	DBUG_ENTER("index_read");
 
 	ut_a(prebuilt->trx == thd_to_trx(user_thd));
+	ut_ad(key_len != 0 || find_flag != HA_READ_KEY_EXACT);
 
 	ha_statistic_increment(&SSV::ha_read_key_count);
 
@@ -7593,6 +7597,8 @@ innobase_rename_table(
 	normalize_table_name(norm_to, to);
 	normalize_table_name(norm_from, from);
 
+	DEBUG_SYNC_C("innodb_rename_table_ready");
+
 	/* Serialize data dictionary operations with dictionary mutex:
 	no deadlocks can occur then in these operations */
 
diff --git a/storage/innobase/include/db0err.h b/storage/innobase/include/db0err.h
index e0952f0709d..95ccef16be0 100644
--- a/storage/innobase/include/db0err.h
+++ b/storage/innobase/include/db0err.h
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -112,6 +112,8 @@ enum db_err {
 					limit */
 	DB_INDEX_CORRUPT,		/* we have corrupted index */
 	DB_UNDO_RECORD_TOO_BIG,		/* the undo log record is too big */
+	DB_TABLE_IN_FK_CHECK,		/* table is being used in foreign
+					key check */
 
 	/* The following are partial failure codes */
 	DB_FAIL = 1000,
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i
index 71c75469ee9..3394fc576cb 100644
--- a/storage/innobase/include/univ.i
+++ b/storage/innobase/include/univ.i
@@ -303,11 +303,17 @@ management to ensure correct alignment for doubles etc. */
 /* Maximum number of parallel threads in a parallelized operation */
 #define UNIV_MAX_PARALLELISM	32
 
-/* The maximum length of a table name. This is the MySQL limit and is
-defined in mysql_com.h like NAME_CHAR_LEN*SYSTEM_CHARSET_MBMAXLEN, the
-number does not include a terminating '\0'. InnoDB probably can handle
-longer names internally */
-#define MAX_TABLE_NAME_LEN	192
+/** This is the "mbmaxlen" for my_charset_filename (defined in
+strings/ctype-utf8.c), which is used to encode File and Database names. */
+#define FILENAME_CHARSET_MAXNAMLEN	5
+
+/** The maximum length of an encode table name in bytes.  The max
+table and database names are NAME_CHAR_LEN (64) characters. After the
+encoding, the max length would be NAME_CHAR_LEN (64) *
+FILENAME_CHARSET_MAXNAMLEN (5) = 320 bytes. The number does not include a
+terminating '\0'. InnoDB can handle longer names internally */
+#define MAX_TABLE_NAME_LEN	320
+
 
 /* The maximum length of a database name. Like MAX_TABLE_NAME_LEN this is
 the MySQL's NAME_LEN, see check_and_convert_db_name(). */
diff --git a/storage/innobase/row/row0ins.c b/storage/innobase/row/row0ins.c
index d02d0e986aa..2b77c6f929d 100644
--- a/storage/innobase/row/row0ins.c
+++ b/storage/innobase/row/row0ins.c
@@ -49,6 +49,8 @@ Created 4/20/1996 Heikki Tuuri
 #include "data0data.h"
 #include "usr0sess.h"
 #include "buf0lru.h"
+#include "m_string.h"
+#include "my_sys.h"
 
 #define	ROW_INS_PREV	1
 #define	ROW_INS_NEXT	2
@@ -1085,6 +1087,9 @@ row_ins_foreign_check_on_constraint(
 	release the latch. */
 
 	row_mysql_unfreeze_data_dictionary(thr_get_trx(thr));
+
+	DEBUG_SYNC_C("innodb_dml_cascade_dict_unfreeze");
+
 	row_mysql_freeze_data_dictionary(thr_get_trx(thr));
 
 	mtr_start(mtr);
diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c
index 8ea09b5c6ee..20e8c13ea70 100644
--- a/storage/innobase/row/row0mysql.c
+++ b/storage/innobase/row/row0mysql.c
@@ -51,6 +51,9 @@ Created 9/17/2000 Heikki Tuuri
 #include "btr0sea.h"
 #include "fil0fil.h"
 #include "ibuf0ibuf.h"
+#include "m_string.h"
+#include "my_sys.h"
+
 
 /** Provide optional 4.x backwards compatibility for 5.0 and above */
 UNIV_INTERN ibool	row_rollback_on_timeout	= FALSE;
@@ -1443,6 +1446,8 @@ row_update_for_mysql(
 		return(DB_ERROR);
 	}
 
+	DEBUG_SYNC_C("innodb_row_update_for_mysql_begin");
+
 	trx->op_info = "updating or deleting";
 
 	row_mysql_delay_if_needed();
@@ -3828,6 +3833,7 @@ row_rename_table_for_mysql(
 	ulint		n_constraints_to_drop	= 0;
 	ibool		old_is_tmp, new_is_tmp;
 	pars_info_t*	info			= NULL;
+	int		retry;
 
 	ut_a(old_name != NULL);
 	ut_a(new_name != NULL);
@@ -3910,6 +3916,25 @@ row_rename_table_for_mysql(
 		}
 	}
 
+	/* Is a foreign key check running on this table? */
+	for (retry = 0; retry < 100
+	     && table->n_foreign_key_checks_running > 0; ++retry) {
+		row_mysql_unlock_data_dictionary(trx);
+		os_thread_yield();
+		row_mysql_lock_data_dictionary(trx);
+	}
+
+	if (table->n_foreign_key_checks_running > 0) {
+		ut_print_timestamp(stderr);
+		fputs(" InnoDB: Error: in ALTER TABLE ", stderr);
+		ut_print_name(stderr, trx, TRUE, old_name);
+		fprintf(stderr, "\n"
+			"InnoDB: a FOREIGN KEY check is running.\n"
+			"InnoDB: Cannot rename table.\n");
+		err = DB_TABLE_IN_FK_CHECK;
+		goto funct_exit;
+	}
+
 	/* We use the private SQL parser of Innobase to generate the query
 	graphs needed in updating the dictionary data from system tables. */
 
diff --git a/storage/innobase/ut/ut0ut.c b/storage/innobase/ut/ut0ut.c
index f6dfb3ba0b3..117a777cb98 100644
--- a/storage/innobase/ut/ut0ut.c
+++ b/storage/innobase/ut/ut0ut.c
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2011, Oracle Corpn. All Rights Reserved.
+Copyright (c) 2011, 2012, Oracle and/or its affiliates. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
 
 *****************************************************************************/
 
@@ -718,6 +718,8 @@ ut_strerr(
 		return("Undo record too big");
 	case DB_END_OF_INDEX:
 		return("End of index");
+	case DB_TABLE_IN_FK_CHECK:
+		return("Table is being used in foreign key check");
 	/* do not add default: in order to produce a warning if new code
 	is added to the enum but not added here */
 	}