merge from 5.5 to local tree.

VERSION

 MYSQL_VERSION_MAJOR=5
 MYSQL_VERSION_MINOR=5
-MYSQL_VERSION_PATCH=18
+MYSQL_VERSION_PATCH=19
 MYSQL_VERSION_EXTRA=

cmd-line-utils/libedit/CMakeLists.txt

@@ -156,6 +156,7 @@ ${CURSES_INCLUDE_PATH}
 
 SET(LIBEDIT_SOURCES
   chared.c 
+  chartype.c
   el.c 
   eln.c 
   history.c

cmd-line-utils/libedit/README

@@ -42,7 +42,7 @@ then merge remaining bits by hand.  All MySQL-specific changes should be
 marked with XXXMYSQL to make them easier to identify and merge.  To generate
 a 'clean' diff against upstream you can use the above commands but use
 
-	cvs co -D "2011/10/04 15:27:04" [..]
+	cvs co -D "2011/10/23 17:37:55" [..]
 
 to fetch the baseline of most recent merge.
 

cmd-line-utils/libedit/chared.c

-/*	$NetBSD: chared.c,v 1.35 2011/08/16 16:25:15 christos Exp $	*/
+/*	$NetBSD: chared.c,v 1.36 2011/10/23 17:37:55 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -200,7 +200,7 @@ c_delbefore1(EditLine *el)
 protected int
 ce__isword(Int p)
 {
-	return Isalnum(p || Strchr(STR("*?_-.[]~="), p) != NULL);
+        return Isalnum(p) || Strchr(STR("*?_-.[]~="), p) != NULL;
 }
 
 

cmd-line-utils/libedit/chartype.c

@@ -258,9 +258,6 @@ out:
 	return NULL;
 }
 
-#ifdef WIDECHAR
-int wcwidth(wchar_t wc);                        // Signature.
-#endif
 
 protected int
 ct_visual_width(Char c)

cmd-line-utils/libedit/histedit.h

@@ -247,15 +247,6 @@ int		 tok_str(Tokenizer *, const char *,
 /*
  * Begin Wide Character Support
  */
-#ifdef __linux__
-/* Apparently we need _GNU_SOURCE defined to get access to wcsdup on Linux */
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-#endif
-
-#include <wchar.h>
-#include <wctype.h>
 
 /*
  * Wide character versions

cmd-line-utils/libedit/refresh.c

@@ -40,8 +40,6 @@ static char sccsid[] = "@(#)refresh.c	8.1 (Berkeley) 6/4/93";
 #endif
 #endif /* not lint && not SCCSID */
 
-#include "chartype.c"                           /* XXXMYSQL  */
-
 /*
  * refresh.c: Lower level screen refreshing functions
  */

cmd-line-utils/libedit/sys.h

@@ -92,8 +92,21 @@ size_t	strlcpy(char *dst, const char *src, size_t size);
 char	*fgetln(FILE *fp, size_t *len);
 #endif
 
-#ifndef HAVE_WCSDUP
+#ifdef __linux__
+/* Apparently we need _GNU_SOURCE defined to get access to wcsdup on Linux */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#endif
+
+#ifndef __USE_XOPEN
+#define __USE_XOPEN
+#endif
+
 #include <wchar.h>
+#include <wctype.h>
+
+#ifndef HAVE_WCSDUP
 wchar_t *wcsdup(const wchar_t *);
 #endif
 

cmd-line-utils/libedit/terminal.c

@@ -636,9 +636,6 @@ mc_again:
 	el->el_cursor.h = where;		/* now where is here */
 }
 
-#ifdef WIDECHAR
-int wcwidth(wchar_t);                           // Signature.
-#endif
 
 /* terminal_overwrite():
  *	Overstrike num characters

mysql-test/r/archive.result

@@ -12823,3 +12823,22 @@ a	b	c	d	e	f
 -1	b	c	d	e	1
 DROP TABLE t1;
 SET sort_buffer_size=DEFAULT;
+#
+# BUG#11758979 - 51252: ARCHIVE TABLES STILL FAIL UNDER STRESS
+#                TESTS: CRASH, CORRUPTION, 4G MEMOR
+# (to be executed with valgrind)
+CREATE TABLE t1(a BLOB, b VARCHAR(200)) ENGINE=ARCHIVE;
+INSERT INTO t1 VALUES(NULL, '');
+FLUSH TABLE t1;
+# we need this select to workaround BUG#11764364
+SELECT * FROM t1;
+a	b
+NULL	
+CHECKSUM TABLE t1 EXTENDED;
+Table	Checksum
+test.t1	286155052
+FLUSH TABLE t1;
+OPTIMIZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+DROP TABLE t1;

mysql-test/r/myisam.result

@@ -2414,6 +2414,30 @@ CARDINALITY
 DROP TABLE t1;
 SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
 SET myisam_repair_threads=@@global.myisam_repair_threads;
+#
+# BUG#11757032 - 49030: OPTIMIZE TABLE BREAKS MYISAM TABLE WHEN
+#                USING MYISAM_USE_MMAP ON WINDOWS
+#
+SET GLOBAL myisam_use_mmap=1;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(1),(2);
+DELETE FROM t1 WHERE a=1;
+FLUSH TABLE t1;
+LOCK TABLE t1 WRITE;
+OPTIMIZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+INSERT INTO t1 VALUES(3);
+UNLOCK TABLES;
+SELECT * FROM t1;
+a
+2
+3
+CHECK TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+DROP TABLE t1;
+SET GLOBAL myisam_use_mmap=default;
 End of 5.1 tests
 #
 # Bug#51327 MyISAM table is automatically repaired on ALTER

mysql-test/t/archive.test

@@ -1745,3 +1745,18 @@ INSERT INTO t1 SELECT t1.* FROM t1,t1 t2,t1 t3,t1 t4,t1 t5,t1 t6;
 SELECT * FROM t1 ORDER BY f LIMIT 1;
 DROP TABLE t1;
 SET sort_buffer_size=DEFAULT;
+
+
+--echo #
+--echo # BUG#11758979 - 51252: ARCHIVE TABLES STILL FAIL UNDER STRESS
+--echo #                TESTS: CRASH, CORRUPTION, 4G MEMOR
+--echo # (to be executed with valgrind)
+CREATE TABLE t1(a BLOB, b VARCHAR(200)) ENGINE=ARCHIVE;
+INSERT INTO t1 VALUES(NULL, '');
+FLUSH TABLE t1;
+--echo # we need this select to workaround BUG#11764364
+SELECT * FROM t1;
+CHECKSUM TABLE t1 EXTENDED;
+FLUSH TABLE t1;
+OPTIMIZE TABLE t1;
+DROP TABLE t1;

mysql-test/t/myisam.test

@@ -1647,6 +1647,24 @@ DROP TABLE t1;
 SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
 SET myisam_repair_threads=@@global.myisam_repair_threads;
 
+--echo #
+--echo # BUG#11757032 - 49030: OPTIMIZE TABLE BREAKS MYISAM TABLE WHEN
+--echo #                USING MYISAM_USE_MMAP ON WINDOWS
+--echo #
+SET GLOBAL myisam_use_mmap=1;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(1),(2);
+DELETE FROM t1 WHERE a=1;
+FLUSH TABLE t1;
+LOCK TABLE t1 WRITE;
+OPTIMIZE TABLE t1;
+INSERT INTO t1 VALUES(3);
+UNLOCK TABLES;
+SELECT * FROM t1;
+CHECK TABLE t1;
+DROP TABLE t1;
+SET GLOBAL myisam_use_mmap=default;
+
 --echo End of 5.1 tests
 
 

sql/sql_base.cc

@@ -4810,10 +4810,11 @@ bool open_tables(THD *thd, TABLE_LIST **start, uint *counter, uint flags,
   }
 
   /*
-    temporary mem_root for new .frm parsing.
-    TODO: variables for size
+    Initialize temporary MEM_ROOT for new .FRM parsing. Do not allocate
+    anything yet, to avoid penalty for statements which don't use views
+    and thus new .FRM format.
   */
-  init_sql_alloc(&new_frm_mem, 8024, 8024);
+  init_sql_alloc(&new_frm_mem, 8024, 0);
 
   thd->current_tablenr= 0;
 restart:

storage/archive/ha_archive.cc

@@ -819,6 +819,7 @@ uint32 ha_archive::max_row_length(const uchar *buf)
        ptr != end ;
        ptr++)
   {
+    if (!table->field[*ptr]->is_null())
       length += 2 + ((Field_blob*)table->field[*ptr])->get_length();
   }
 
@@ -1178,6 +1179,17 @@ int ha_archive::unpack_row(azio_stream *file_to_read, uchar *record)
 
   /* Copy null bits */
   const uchar *ptr= record_buffer->buffer;
+  /*
+    Field::unpack() is not called when field is NULL. For VARCHAR
+    Field::unpack() only unpacks as much bytes as occupied by field
+    value. In these cases respective memory area on record buffer is
+    not initialized.
+
+    These uninitialized areas may be accessed by CHECKSUM TABLE or
+    by optimizer using temporary table (BUG#12997905). We may remove
+    this memset() when they're fixed.
+  */
+  memset(record, 0, table->s->reclength);
   memcpy(record, ptr, table->s->null_bytes);
   ptr+= table->s->null_bytes;
   for (Field **field=table->field ; *field ; field++)

storage/innobase/btr/btr0cur.c

@@ -3542,16 +3542,11 @@ btr_record_not_null_field_in_rec(
 	}
 
 	for (i = 0; i < n_unique; i++) {
-		ulint	rec_len;
-
-		rec_get_nth_field_offs(offsets, i, &rec_len);
-
-		if (rec_len != UNIV_SQL_NULL) {
-			n_not_null[i]++;
-		} else {
-			/* Break if we hit the first NULL value */
+		if (rec_offs_nth_sql_null(offsets, i)) {
 			break;
 		}
+
+		n_not_null[i]++;
 	}
 }
 
@@ -3694,8 +3689,7 @@ btr_estimate_number_of_different_key_vals(
 
 			if (n_not_null) {
 				btr_record_not_null_field_in_rec(
-					n_cols, offsets_next_rec,
-					n_not_null);
+					n_cols, offsets_next_rec, n_not_null);
 			}
 
 			total_external_size

storage/innobase/handler/ha_innodb.cc

@@ -5806,7 +5806,7 @@ ha_innobase::innobase_get_index(
 			table. Only print message if the index translation
 			table exists */
 			if (share->idx_trans_tbl.index_mapping) {
-				sql_print_error("InnoDB could not find "
+				sql_print_warning("InnoDB could not find "
 						  "index %s key no %u for "
 						  "table %s through its "
 						  "index translation table",
@@ -8285,7 +8285,10 @@ ha_innobase::check(
 		putc('\n', stderr);
 #endif
 
-		if (!btr_validate_index(index, prebuilt->trx)) {
+		/* If this is an index being created, break */
+		if (*index->name == TEMP_INDEX_PREFIX) {
+			break;
+		}  else if (!btr_validate_index(index, prebuilt->trx)) {
 			is_ok = FALSE;
 
 			innobase_format_name(

storage/innobase/row/row0mysql.c

 /*****************************************************************************
 
-Copyright (c) 2000, 2010, Innobase Oy. All Rights Reserved.
+Copyright (c) 2000, 2011, 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
@@ -3995,6 +3995,7 @@ end:
 			trx->error_state = DB_SUCCESS;
 			trx_general_rollback_for_mysql(trx, NULL);
 			trx->error_state = DB_SUCCESS;
+			err = DB_ERROR;
 			goto funct_exit;
 		}
 

storage/myisam/ha_myisam.cc

@@ -1026,6 +1026,18 @@ int ha_myisam::repair(THD *thd, MI_CHECK &param, bool do_optimize)
 			mi_get_mask_all_keys_active(share->base.keys) :
 			share->state.key_map);
     uint testflag=param.testflag;
+#ifdef HAVE_MMAP
+    bool remap= test(share->file_map);
+    /*
+      mi_repair*() functions family use file I/O even if memory
+      mapping is available.
+
+      Since mixing mmap I/O and file I/O may cause various artifacts,
+      memory mapping must be disabled.
+    */
+    if (remap)
+      mi_munmap_file(file);
+#endif
     if (mi_test_if_sort_rep(file,file->state->records,key_map,0) &&
 	(local_testflag & T_REP_BY_SORT))
     {
@@ -1057,6 +1069,10 @@ int ha_myisam::repair(THD *thd, MI_CHECK &param, bool do_optimize)
       error=  mi_repair(&param, file, fixed_name,
 			param.testflag & T_QUICK);
     }
+#ifdef HAVE_MMAP
+    if (remap)
+      mi_dynmap_file(file, file->state->data_file_length);
+#endif
     param.testflag=testflag;
     optimize_done=1;
   }

storage/myisam/mi_delete_all.c

@@ -61,11 +61,6 @@ int mi_delete_all_rows(MI_INFO *info)
       mysql_file_chsize(share->kfile, share->base.keystart, 0, MYF(MY_WME)))
     goto err;
   (void) _mi_writeinfo(info,WRITEINFO_UPDATE_KEYFILE);
-#ifdef HAVE_MMAP
-  /* Map again */
-  if (share->file_map)
-    mi_dynmap_file(info, (my_off_t) 0);
-#endif
   DBUG_RETURN(0);
 
 err: