Merge mysql.com:/home/pz/mysql/mysql-4.0-root

into mysql.com:/home/pz/mysql/mysql-4.0

BitKeeper/etc/gone

@@ -199,9 +199,7 @@ BK|sql-bench/Results/ATIS-mysql-3.21-Linux_2.2.1_i686|19700101030959|02022|660fb
 BK|sql-bench/Results/ATIS-mysql-Linux_2.2.10_i686|19700101030959|02025|3fa4d167cceff7e8
 BK|sql-bench/Results/ATIS-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02312|84ca3b85ff306133
 BK|sql-bench/Results/ATIS-mysql-Linux_2.2.14_i686_xeon|19700101030959|02044|3e820c28bf4af63a
-BK|sql-bench/Results/ATIS-mysql-SunOS_5.5.1_sun4u|19700101030959|02031|dfb4c5f6b6db3b49
 BK|sql-bench/Results/ATIS-mysql-SunOS_5.6_sun4m|19700101030959|02032|62028e0375b3b8b
-BK|sql-bench/Results/ATIS-mysql-SunOS_5.7_sun4u|19700101030959|02034|be0d9789776c5ed7
 BK|sql-bench/Results/ATIS-mysql_3.21-Linux_2.0.35_i686|19700101030959|02036|c25425e045ca8dfc
 BK|sql-bench/Results/ATIS-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02304|cbe120d860296d2f
 BK|sql-bench/Results/ATIS-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02027|a74e7b82d3908fa9
@@ -265,9 +263,7 @@ BK|sql-bench/Results/RUN-mysql-3.21-Linux_2.2.1_i686|19700101030959|02050|f6fdd6
 BK|sql-bench/Results/RUN-mysql-Linux_2.2.10_i686|19700101030959|02041|712f52be5d195406
 BK|sql-bench/Results/RUN-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02038|8ee87b26b91c86fe
 BK|sql-bench/Results/RUN-mysql-Linux_2.2.14_i686_xeon|19700101030959|02055|17854e751e1d9d1d
-BK|sql-bench/Results/RUN-mysql-SunOS_5.5.1_sun4u|19700101030959|02058|afbba182428e20df
 BK|sql-bench/Results/RUN-mysql-SunOS_5.6_sun4m|19700101030959|02059|eafc8188345e262b
-BK|sql-bench/Results/RUN-mysql-SunOS_5.7_sun4u|19700101030959|02061|86e1dc0e25a8b8f
 BK|sql-bench/Results/RUN-mysql_3.21-Linux_2.0.35_i686|19700101030959|02064|ea8672d8473435
 BK|sql-bench/Results/RUN-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02310|a902e1a967d79c42
 BK|sql-bench/Results/RUN-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02030|413ab3b8a99e61e9
@@ -277,9 +273,7 @@ BK|sql-bench/Results/alter-table-mysql-3.21-Linux_2.2.1_i686|19700101030959|0207
 BK|sql-bench/Results/alter-table-mysql-Linux_2.2.10_i686|19700101030959|02081|93b78a85b720a186
 BK|sql-bench/Results/alter-table-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02314|4ae4b989301df98b
 BK|sql-bench/Results/alter-table-mysql-Linux_2.2.14_i686_xeon|19700101030959|02057|64cc4b874cd6fabf
-BK|sql-bench/Results/alter-table-mysql-SunOS_5.5.1_sun4u|19700101030959|02087|9d7e75667fcb29ec
 BK|sql-bench/Results/alter-table-mysql-SunOS_5.6_sun4m|19700101030959|02088|8a1bd6589a189890
-BK|sql-bench/Results/alter-table-mysql-SunOS_5.7_sun4u|19700101030959|02090|ce74c2f623d3bb3
 BK|sql-bench/Results/alter-table-mysql_3.21-Linux_2.0.35_i686|19700101030959|02092|762639f2560976bd
 BK|sql-bench/Results/alter-table-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02316|1390155aad5b6e86
 BK|sql-bench/Results/alter-table-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02317|9090bebb62ef164b
@@ -289,9 +283,7 @@ BK|sql-bench/Results/big-tables-mysql-3.21-Linux_2.2.1_i686|19700101030959|02106
 BK|sql-bench/Results/big-tables-mysql-Linux_2.2.10_i686|19700101030959|02109|99daa1c5370d077d
 BK|sql-bench/Results/big-tables-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02315|2804ec3c95be436a
 BK|sql-bench/Results/big-tables-mysql-Linux_2.2.14_i686_xeon|19700101030959|02074|290c2c3de9d8e6b
-BK|sql-bench/Results/big-tables-mysql-SunOS_5.5.1_sun4u|19700101030959|02115|7d7b6c0bf58b9b79
 BK|sql-bench/Results/big-tables-mysql-SunOS_5.6_sun4m|19700101030959|02116|f351a7f3e1e2257e
-BK|sql-bench/Results/big-tables-mysql-SunOS_5.7_sun4u|19700101030959|02118|ebc379b231312bbe
 BK|sql-bench/Results/big-tables-mysql_3.21-Linux_2.0.35_i686|19700101030959|02120|190e827e569c99a4
 BK|sql-bench/Results/big-tables-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02318|c5eabcb89ceac698
 BK|sql-bench/Results/big-tables-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02319|856d503725373684
@@ -301,9 +293,7 @@ BK|sql-bench/Results/connect-mysql-3.21-Linux_2.2.1_i686|19700101030959|02134|c0
 BK|sql-bench/Results/connect-mysql-Linux_2.2.10_i686|19700101030959|02137|c92505d77e19d5ec
 BK|sql-bench/Results/connect-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02084|e7e2959b7387251f
 BK|sql-bench/Results/connect-mysql-Linux_2.2.14_i686_xeon|19700101030959|02071|ea19dc3ec55b3618
-BK|sql-bench/Results/connect-mysql-SunOS_5.5.1_sun4u|19700101030959|02142|a9493110fe62e0b1
 BK|sql-bench/Results/connect-mysql-SunOS_5.6_sun4m|19700101030959|02143|a10e3ddfa26a3e7f
-BK|sql-bench/Results/connect-mysql-SunOS_5.7_sun4u|19700101030959|02145|c67beb9e9d2cf32e
 BK|sql-bench/Results/connect-mysql_3.21-Linux_2.0.35_i686|19700101030959|02146|650abd213e6828c6
 BK|sql-bench/Results/connect-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02320|ce69cc65bc827b5c
 BK|sql-bench/Results/connect-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02066|f801e08429a4f7c6
@@ -313,9 +303,7 @@ BK|sql-bench/Results/create-mysql-3.21-Linux_2.2.1_i686|19700101030959|02158|515
 BK|sql-bench/Results/create-mysql-Linux_2.2.10_i686|19700101030959|02161|9e7822f66df6aa76
 BK|sql-bench/Results/create-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02102|34ded91c5fc25de9
 BK|sql-bench/Results/create-mysql-Linux_2.2.14_i686_xeon|19700101030959|02139|50d15991293030ef
-BK|sql-bench/Results/create-mysql-SunOS_5.5.1_sun4u|19700101030959|02166|bbb5de66fc56de7b
 BK|sql-bench/Results/create-mysql-SunOS_5.6_sun4m|19700101030959|02221|9233114ae6f8c5f
-BK|sql-bench/Results/create-mysql-SunOS_5.7_sun4u|19700101030959|02223|7ee13bfcafeab498
 BK|sql-bench/Results/create-mysql_3.21-Linux_2.0.35_i686|19700101030959|02225|df1b037d17b33587
 BK|sql-bench/Results/create-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02321|e985e71d552ff09e
 BK|sql-bench/Results/create-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02099|483dcf223d5abf81
@@ -325,9 +313,7 @@ BK|sql-bench/Results/insert-mysql-3.21-Linux_2.2.1_i686|19700101030959|02239|fd0
 BK|sql-bench/Results/insert-mysql-Linux_2.2.10_i686|19700101030959|02242|763edf9aec633f51
 BK|sql-bench/Results/insert-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02130|5be3d6f299738a31
 BK|sql-bench/Results/insert-mysql-Linux_2.2.14_i686_xeon|19700101030959|02141|c683ee4b9d214298
-BK|sql-bench/Results/insert-mysql-SunOS_5.5.1_sun4u|19700101030959|02247|8a9ae41f9a79f79
 BK|sql-bench/Results/insert-mysql-SunOS_5.6_sun4m|19700101030959|02248|3402d060ae20e19
-BK|sql-bench/Results/insert-mysql-SunOS_5.7_sun4u|19700101030959|02250|78efa132c6e252b9
 BK|sql-bench/Results/insert-mysql_3.21-Linux_2.0.35_i686|19700101030959|02252|60c0965dff31db07
 BK|sql-bench/Results/insert-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02322|ed252140ff399961
 BK|sql-bench/Results/insert-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02114|29a3b8a1ca8aa9d
@@ -337,9 +323,7 @@ BK|sql-bench/Results/select-mysql-3.21-Linux_2.2.1_i686|19700101030959|02265|ed3
 BK|sql-bench/Results/select-mysql-Linux_2.2.10_i686|19700101030959|02268|a2e264d777b787d
 BK|sql-bench/Results/select-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02227|308117295c3bc096
 BK|sql-bench/Results/select-mysql-Linux_2.2.14_i686_xeon|19700101030959|02152|ead3f11b46ac626f
-BK|sql-bench/Results/select-mysql-SunOS_5.5.1_sun4u|19700101030959|02273|c9a1a498a052e268
 BK|sql-bench/Results/select-mysql-SunOS_5.6_sun4m|19700101030959|02274|4da215905bce988d
-BK|sql-bench/Results/select-mysql-SunOS_5.7_sun4u|19700101030959|02276|632c92971c61e34a
 BK|sql-bench/Results/select-mysql_3.21-Linux_2.0.35_i686|19700101030959|02278|5fadbac5f98696a
 BK|sql-bench/Results/select-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02323|e8c0871a668a610d
 BK|sql-bench/Results/select-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02127|963a98ed526e2be4
@@ -349,9 +333,7 @@ BK|sql-bench/Results/wisconsin-mysql-3.21-Linux_2.2.1_i686|19700101030959|02290|
 BK|sql-bench/Results/wisconsin-mysql-Linux_2.2.10_i686|19700101030959|02288|301a82b12a84922b
 BK|sql-bench/Results/wisconsin-mysql-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02280|d01900af34fb33b8
 BK|sql-bench/Results/wisconsin-mysql-Linux_2.2.14_i686_xeon|19700101030959|02154|7525b23938631801
-BK|sql-bench/Results/wisconsin-mysql-SunOS_5.5.1_sun4u|19700101030959|02297|379705afa2e12378
 BK|sql-bench/Results/wisconsin-mysql-SunOS_5.6_sun4m|19700101030959|02298|ec61b14072715dc8
-BK|sql-bench/Results/wisconsin-mysql-SunOS_5.7_sun4u|19700101030959|02300|f27927f8c64ea8ad
 BK|sql-bench/Results/wisconsin-mysql_3.21-Linux_2.0.35_i686|19700101030959|02302|31703d40ea6b4f66
 BK|sql-bench/Results/wisconsin-mysql_fast-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02324|ec075a89dbdbbe6a
 BK|sql-bench/Results/wisconsin-pg-Linux_2.2.14_5.0_i686-cmp-mysql,pg|19700101030959|02325|233d5aa529979990
@@ -670,7 +652,6 @@ mwagner@evoq.home.mwagner.org|Docs/Books/prof.eps|20001231203220|15779|dc69b0395
 mwagner@evoq.home.mwagner.org|Docs/Books/pthreads.eps|20001231203220|18899|d60ad51891ef4c49
 mwagner@evoq.home.mwagner.org|Docs/Books/realmen.eps|20001231203220|22075|1ceb4839e835dad4
 mwagner@evoq.home.mwagner.org|Docs/Books/sql-99.eps|20001231203220|25230|cec4ae16fee4c640
-mwagner@evoq.home.mwagner.org|mysql-test/chew_on_this/select.res|20001014084759|41327|1295456b9394876
 mwagner@evoq.home.mwagner.org|mysql-test/chew_on_this/select.res|20001014084759|41327|1295456b93948768
 mwagner@evoq.home.mwagner.org|mysql-test/chew_on_this/select.tst|20001013104933|54568|2e626fa07144d2c8
 mwagner@evoq.home.mwagner.org|mysql-test/mybin/start-mysqld|20001016055648|54840|9c8f21a7ab97793a
@@ -745,8 +726,6 @@ mwagner@evoq.home.mwagner.org|mysql-test/xml/tests/sel000029.xml|20001017133713|
 mwagner@evoq.home.mwagner.org|mysql-test/xml/tests/sel000030.xml|20001017133600|63205|c2b25781eefaee9
 mwagner@evoq.home.mwagner.org|mysql-test/xml/xsl/README|20001013051514|26509|cd4bb681e5a0cd10
 mwagner@evoq.home.mwagner.org|mysql-test/xml/xsl/mysqltest.xsl|20001013051514|27425|1b8f6ec4f1b5f634
-mwagner@work.mysql.com|mysql-test/r/3.23/sel000001.result|20001010091454|28284|383913ae4505ec86
-mwagner@work.mysql.com|mysql-test/r/3.23/sel000002.result|20001010091454|29230|d1787e6fd5dbc1cc
 nick@nick.leippe.com|mysql-test/r/rpl_empty_master_crash.result|20020531235552|47718|615f521be2132141
 nick@nick.leippe.com|mysql-test/t/rpl_empty_master_crash.test|20020531235552|52328|99464e737639ccc6
 sasha@mysql.sashanet.com|BitKeeper/etc/logging_ok|20000801000905|12967|5b7d847a2158554
@@ -754,36 +733,19 @@ sasha@mysql.sashanet.com|build-tags|20011125054855|05181|7afb7e785b80f97
 sasha@mysql.sashanet.com|build-tags|20011201050944|25384|b6f6fff142121618
 sasha@mysql.sashanet.com|libmysql_r/acconfig.h|20001128060846|51084|65f1202b3b5c345f
 sasha@mysql.sashanet.com|mysql-test/README.gcov|20001012045950|28177|5a6da067a30780ce
-sasha@mysql.sashanet.com|mysql-test/README.gcov|20001214012355|41825|2de7575ca81155e5
 sasha@mysql.sashanet.com|mysql-test/README|20001010001022|12739|108667adaeabe3f5
 sasha@mysql.sashanet.com|mysql-test/r/3.23/alt000001.result|20001122072330|24729|393103dbf15f35c9
-sasha@mysql.sashanet.com|mysql-test/r/3.23/ins000001.result|20001018175743|49824|f45c599efdf8352b
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000001.a.result|20001118063528|39426|2987b17db06808c3
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000001.b.result|20001118063528|44057|62e1fa91167cacc3
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000002.result|20001118063528|46039|109f5ceed1e0d64
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000003.result|20001118063528|48148|68d6ee00beaa011
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000004.a.result|20001118063528|50132|3415f066cb91c460
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000004.b.result|20001118063528|52094|352b35351551485
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000005.result|20001118063528|54071|a50962bc2340ab9a
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000006.result|20001118063528|56081|5653051e8ce6b4aa
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000007.result|20001121063807|21606|e0c3b6134e0884da
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000008.result|20001121063807|23636|c5cfee19ca5a7da9
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000009.result|20001121063807|25633|ed8042446ab97926
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000010.result|20001122072330|29430|3228109b8965b0f8
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000011.result|20001125024912|48851|c29dce30aa97f265
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000012.result|20001126062901|05938|35d6596da7b90fc5
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000012.status.result|20001126062901|09395|bbbd650b5beea32f
-sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000013.result|20001202171150|03876|ac5024e6cf6daac6
 sasha@mysql.sashanet.com|mysql-test/r/3.23/rpl000013.status.result|20001202171150|06069|6bee190c298cc9fd
-sasha@mysql.sashanet.com|mysql-test/r/3.23/sel000003.result|20001011230020|64653|d7b657b1e3a286a7
-sasha@mysql.sashanet.com|mysql-test/r/3.23/sel000100.res|20001205131218|23520|84ed46856cb3a69f
 sasha@mysql.sashanet.com|mysql-test/r/3.23/shw000001.result|20001121234128|16652|8b20b03d8319b9a5
 sasha@mysql.sashanet.com|mysql-test/r/binlog-backup-restore.result|20010424233926|16010|605de78abda64d27
 sasha@mysql.sashanet.com|mysql-test/r/df_crash.result|20010406010433|59989|4a3dbee64843953d
 sasha@mysql.sashanet.com|mysql-test/r/identity.result|20010910233028|16331|e41453a364242503
 sasha@mysql.sashanet.com|mysql-test/r/mrg000002.result|20001212152450|11492|745be0854aaaaf5e
-sasha@mysql.sashanet.com|mysql-test/r/slave-running.result|20001208141122|24303|f73e49462cf59e1f
-sasha@mysql.sashanet.com|mysql-test/r/slave-stopped.result|20001208141122|28916|25c134b1a4f1993a
 sasha@mysql.sashanet.com|mysql-test/std_data/m.MRG|20001212152450|17736|3f5632c37af00f18
 sasha@mysql.sashanet.com|mysql-test/std_data/m.frm|20001212152450|13897|e351dfe0b6824c0c
 sasha@mysql.sashanet.com|mysql-test/std_data/select-key.master|20001009234916|07315|e6b83af25df0ce5

myisam/mi_open.c

@@ -569,7 +569,8 @@ byte *mi_alloc_rec_buff(MI_INFO *info, ulong length, byte **buf)
 
     /* to simplify initial init of info->rec_buf in mi_open and mi_extra */
     if (length == (ulong) -1)
-      length= max(info->s->base.pack_reclength,info->s->base.max_key_length);
+      length= max(info->s->base.pack_reclength+info->s->base.pack_bits,
+                  info->s->base.max_key_length);
 
     extra= ((info->s->options & HA_OPTION_PACK_RECORD) ?
 	    ALIGN_SIZE(MI_MAX_DYN_BLOCK_HEADER)+MI_SPLIT_LENGTH+

sql/sql_yacc.yy

@@ -168,7 +168,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	CAST_SYM
 %token	CHECKSUM_SYM
 %token	CHECK_SYM
-%token	CIPHER
 %token	COMMITTED_SYM
 %token	COLUMNS
 %token	COLUMN_SYM
@@ -222,7 +221,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	IN_SYM
 %token	ISOLATION
 %token	ISAM_SYM
-%token	ISSUER
 %token	JOIN_SYM
 %token	KEYS
 %token	KEY_SYM
@@ -242,7 +240,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	MASTER_USER_SYM
 %token	MASTER_LOG_FILE_SYM
 %token	MASTER_LOG_POS_SYM
-%token	MASTER_LOG_SEQ_SYM
 %token	MASTER_PASSWORD_SYM
 %token	MASTER_PORT_SYM
 %token	MASTER_CONNECT_RETRY_SYM
@@ -263,7 +260,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	NEW_SYM
 %token	NCHAR_SYM
 %token	NOT
-%token  NO_FOREIGN_KEY_CHECKS
 %token	NO_SYM
 %token	NULL_SYM
 %token	NUM
@@ -293,7 +289,6 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	REAL_NUM
 %token	REFERENCES
 %token	REGEXP
-%token  RELAXED_UNIQUE_CHECKS
 %token	RELOAD
 %token	RENAME
 %token	REPEATABLE_SYM
@@ -595,7 +590,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 	opt_mi_check_type opt_to mi_check_types normal_join
 	table_to_table_list table_to_table opt_table_list opt_as
 	handler_rkey_function handler_read_or_scan
-	single_multi table_wild_list table_wild_one opt_wild union union_list
+	single_multi table_wild_list table_wild_one opt_wild opt_union union_list
 	precision union_option opt_and
 END_OF_INPUT
 
@@ -793,7 +788,7 @@ create3:
 	    lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
 	    mysql_init_select(lex);
           }
-          select_options select_item_list opt_select_from union {};
+          select_options select_item_list opt_select_from opt_union {};
 
 opt_as:
 	/* empty */ {}
@@ -1429,7 +1424,7 @@ select:
 	select_init { Lex->sql_command=SQLCOM_SELECT; };
 
 select_init:
-	SELECT_SYM select_part2 { Select->braces=false;	} union
+	SELECT_SYM select_part2 { Select->braces=false;	} opt_union
 	|
 	'(' SELECT_SYM 	select_part2 ')' { Select->braces=true;} union_opt;
 
@@ -2501,7 +2496,7 @@ insert_values:
 	    mysql_init_select(lex);
 	  }
 	  select_options select_item_list select_from select_lock_type
-          union {};
+          opt_union {};
 
 values_list:
 	values_list ','  no_braces
@@ -3747,7 +3742,7 @@ rollback:
 */
 
 
-union:	
+opt_union:	
 	/* empty */ {}
 	| union_list;
 
@@ -3774,11 +3769,14 @@ union_list:
 	;
 
 union_opt:
-	union {}
+	union_list {}
 	| optional_order_or_limit {};
 
 optional_order_or_limit:
-	/* empty */ {}
+      	/* empty 
+           intentional reduce/reduce conflict here !!!
+           { code } below should not be executed
+           when neither ORDER BY nor LIMIT are used */ {}
 	|
 	  {
     	    LEX *lex=Lex;