From 1ebc1e07038aa32e43dd5e0807559a4998b160ef Mon Sep 17 00:00:00 2001 From: Sergey Vojtovich Date: Fri, 16 Sep 2011 15:30:31 +0400 Subject: [PATCH] BUG#11761180 - 53646: MYISAMPACK CORRUPTS TABLES WITH FULLTEXT INDEXES myisamchk may create incorrect fulltext index for compressed tables. Incorrect data pointer size was used while creating fulltext index. --- mysql-test/r/myisampack.result | 32 +++++++++++++++++++++ mysql-test/t/myisampack.test | 45 ++++++++++++++++++++++++++++++ storage/myisam/ft_boolean_search.c | 2 +- storage/myisam/ft_nlq_search.c | 2 +- storage/myisam/mi_check.c | 4 +-- storage/myisam/mi_write.c | 2 +- 6 files changed, 82 insertions(+), 5 deletions(-) diff --git a/mysql-test/r/myisampack.result b/mysql-test/r/myisampack.result index fbcd8aed17a..f19a9c49427 100644 --- a/mysql-test/r/myisampack.result +++ b/mysql-test/r/myisampack.result @@ -87,3 +87,35 @@ COUNT(*) 128 DROP TABLE mysql_db1.t1; DROP DATABASE mysql_db1; +# +# BUG#11761180 - 53646: MYISAMPACK CORRUPTS TABLES WITH FULLTEXT INDEXES +# +CREATE TABLE t1(a CHAR(4), FULLTEXT(a)); +INSERT INTO t1 VALUES('aaaa'),('bbbb'),('cccc'); +FLUSH TABLE t1; +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +SELECT * FROM t1 WHERE MATCH(a) AGAINST('aaaa' IN BOOLEAN MODE); +a +aaaa +SELECT * FROM t1 WHERE MATCH(a) AGAINST('aaaa'); +a +aaaa +DROP TABLE t1; +# Test table with key_reflength > rec_reflength +CREATE TABLE t1(a CHAR(30), FULLTEXT(a)); +# Populating a table, so it's index file exceeds 65K +# Populating a table, so index file has second level fulltext tree +FLUSH TABLE t1; +# Compressing table +# Fixing index (repair by sort) +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +FLUSH TABLE t1; +# Fixing index (repair with keycache) +CHECK TABLE t1; +Table Op Msg_type Msg_text +test.t1 check status OK +DROP TABLE t1; diff --git a/mysql-test/t/myisampack.test b/mysql-test/t/myisampack.test index 9d27ed53254..3bce8cfcfb8 100644 --- a/mysql-test/t/myisampack.test +++ b/mysql-test/t/myisampack.test @@ -107,3 +107,48 @@ SELECT COUNT(*) FROM mysql_db1.t1 WHERE c2 < 5; # DROP TABLE mysql_db1.t1; DROP DATABASE mysql_db1; + +--echo # +--echo # BUG#11761180 - 53646: MYISAMPACK CORRUPTS TABLES WITH FULLTEXT INDEXES +--echo # +CREATE TABLE t1(a CHAR(4), FULLTEXT(a)); +INSERT INTO t1 VALUES('aaaa'),('bbbb'),('cccc'); +FLUSH TABLE t1; +--exec $MYISAMPACK -sf $MYSQLD_DATADIR/test/t1 +--exec $MYISAMCHK -srq $MYSQLD_DATADIR/test/t1 +CHECK TABLE t1; +SELECT * FROM t1 WHERE MATCH(a) AGAINST('aaaa' IN BOOLEAN MODE); +SELECT * FROM t1 WHERE MATCH(a) AGAINST('aaaa'); +DROP TABLE t1; + +--echo # Test table with key_reflength > rec_reflength +CREATE TABLE t1(a CHAR(30), FULLTEXT(a)); +--disable_query_log +--echo # Populating a table, so it's index file exceeds 65K +let $1=1700; +while ($1) +{ + eval INSERT INTO t1 VALUES('$1aaaaaaaaaaaaaaaaaaaaaaaaaa'); + dec $1; +} + +--echo # Populating a table, so index file has second level fulltext tree +let $1=60; +while ($1) +{ + eval INSERT INTO t1 VALUES('aaaa'),('aaaa'),('aaaa'),('aaaa'),('aaaa'); + dec $1; +} +--enable_query_log + +FLUSH TABLE t1; +--echo # Compressing table +--exec $MYISAMPACK -sf $MYSQLD_DATADIR/test/t1 +--echo # Fixing index (repair by sort) +--exec $MYISAMCHK -srnq $MYSQLD_DATADIR/test/t1 +CHECK TABLE t1; +FLUSH TABLE t1; +--echo # Fixing index (repair with keycache) +--exec $MYISAMCHK -soq $MYSQLD_DATADIR/test/t1 +CHECK TABLE t1; +DROP TABLE t1; diff --git a/storage/myisam/ft_boolean_search.c b/storage/myisam/ft_boolean_search.c index fb1a03a2bd6..ac5da800ae3 100644 --- a/storage/myisam/ft_boolean_search.c +++ b/storage/myisam/ft_boolean_search.c @@ -361,7 +361,7 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search) int subkeys=1; my_bool can_go_down; MI_INFO *info=ftb->info; - uint UNINIT_VAR(off), extra=HA_FT_WLEN+info->s->base.rec_reflength; + uint UNINIT_VAR(off), extra= HA_FT_WLEN + info->s->rec_reflength; uchar *lastkey_buf=ftbw->word+ftbw->off; if (ftbw->flags & FTB_FLAG_TRUNC) diff --git a/storage/myisam/ft_nlq_search.c b/storage/myisam/ft_nlq_search.c index cd2c7f61a66..567b1044995 100644 --- a/storage/myisam/ft_nlq_search.c +++ b/storage/myisam/ft_nlq_search.c @@ -74,7 +74,7 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio) uchar *keybuff=aio->keybuff; MI_KEYDEF *keyinfo=info->s->keyinfo+aio->keynr; my_off_t key_root=info->s->state.key_root[aio->keynr]; - uint extra=HA_FT_WLEN+info->s->base.rec_reflength; + uint extra= HA_FT_WLEN + info->s->rec_reflength; #if HA_FT_WTYPE == HA_KEYTYPE_FLOAT float tmp_weight; #else diff --git a/storage/myisam/mi_check.c b/storage/myisam/mi_check.c index 3bbd2fb0469..4a0c2da5559 100644 --- a/storage/myisam/mi_check.c +++ b/storage/myisam/mi_check.c @@ -3913,7 +3913,7 @@ static int sort_ft_key_write(MI_SORT_PARAM *sort_param, const void *a) SORT_FT_BUF *ft_buf=sort_info->ft_buf; SORT_KEY_BLOCKS *key_block=sort_info->key_block; - val_len=HA_FT_WLEN+sort_info->info->s->base.rec_reflength; + val_len= HA_FT_WLEN + sort_info->info->s->rec_reflength; get_key_full_length_rdonly(a_len, (uchar *)a); if (!ft_buf) @@ -3923,7 +3923,7 @@ static int sort_ft_key_write(MI_SORT_PARAM *sort_param, const void *a) and row format is NOT static - for _mi_dpointer not to garble offsets */ if ((sort_info->info->s->base.key_reflength <= - sort_info->info->s->base.rec_reflength) && + sort_info->info->s->rec_reflength) && (sort_info->info->s->options & (HA_OPTION_PACK_RECORD | HA_OPTION_COMPRESS_RECORD))) ft_buf=(SORT_FT_BUF *)my_malloc(sort_param->keyinfo->block_length + diff --git a/storage/myisam/mi_write.c b/storage/myisam/mi_write.c index 70487f397f1..81262c229ce 100644 --- a/storage/myisam/mi_write.c +++ b/storage/myisam/mi_write.c @@ -528,7 +528,7 @@ int _mi_insert(register MI_INFO *info, register MI_KEYDEF *keyinfo, { if (keyinfo->block_length - a_length < 32 && keyinfo->flag & HA_FULLTEXT && key_pos == endpos && - info->s->base.key_reflength <= info->s->base.rec_reflength && + info->s->base.key_reflength <= info->s->rec_reflength && info->s->options & (HA_OPTION_PACK_RECORD | HA_OPTION_COMPRESS_RECORD)) { /*