diff --git a/mysql-test/r/temp_table.result b/mysql-test/r/temp_table.result index 1c846700346..6df09463d02 100644 --- a/mysql-test/r/temp_table.result +++ b/mysql-test/r/temp_table.result @@ -184,3 +184,14 @@ select * from t1; a 42 drop table t1; +CREATE TEMPORARY TABLE t1(a INT, b VARCHAR(20)); +INSERT INTO t1 VALUES(1, 'val1'), (2, 'val2'), (3, 'val3'); +DELETE FROM t1 WHERE a=1; +SELECT count(*) FROM t1; +count(*) +2 +DELETE FROM t1; +SELECT * FROM t1; +a b +DROP TABLE t1; +End of 5.1 tests diff --git a/mysql-test/t/temp_table.test b/mysql-test/t/temp_table.test index d1ad7ab8ffa..4ab8a982e63 100644 --- a/mysql-test/t/temp_table.test +++ b/mysql-test/t/temp_table.test @@ -191,3 +191,17 @@ truncate t1; insert into t1 values (42); select * from t1; drop table t1; + +# +# Bug #35392: Delete all statement does not execute properly after +# few delete statements +# +CREATE TEMPORARY TABLE t1(a INT, b VARCHAR(20)); +INSERT INTO t1 VALUES(1, 'val1'), (2, 'val2'), (3, 'val3'); +DELETE FROM t1 WHERE a=1; +SELECT count(*) FROM t1; +DELETE FROM t1; +SELECT * FROM t1; +DROP TABLE t1; + +--echo End of 5.1 tests diff --git a/storage/myisam/mi_delete_all.c b/storage/myisam/mi_delete_all.c index dea0385cbca..e2bbb04ab3c 100644 --- a/storage/myisam/mi_delete_all.c +++ b/storage/myisam/mi_delete_all.c @@ -53,15 +53,18 @@ int mi_delete_all_rows(MI_INFO *info) since it was locked then there may be key blocks in the key cache */ flush_key_blocks(share->key_cache, share->kfile, FLUSH_IGNORE_CHANGED); +#ifdef HAVE_MMAP + if (share->file_map) + _mi_unmap_file(info); +#endif if (my_chsize(info->dfile, 0, 0, MYF(MY_WME)) || my_chsize(share->kfile, share->base.keystart, 0, MYF(MY_WME)) ) goto err; VOID(_mi_writeinfo(info,WRITEINFO_UPDATE_KEYFILE)); #ifdef HAVE_MMAP - /* Resize mmaped area */ - rw_wrlock(&info->s->mmap_lock); - mi_remap_file(info, (my_off_t)0); - rw_unlock(&info->s->mmap_lock); + /* Map again */ + if (share->file_map) + mi_dynmap_file(info, (my_off_t) 0); #endif allow_break(); /* Allow SIGHUP & SIGINT */ DBUG_RETURN(0);