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author | Eugene Kosov <claprix@yandex.ru> | 2018-05-29 23:25:50 +0300 |
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committer | Sergey Vojtovich <svoj@mariadb.org> | 2019-05-28 14:54:38 +0400 |
commit | fcb68ffe3dfb1c841852bd62a9aac9708888f4e9 (patch) | |
tree | 111b271dab643ffc788a3d51a5acafd41c13cf8d /sql/records.cc | |
parent | 5d46eeefad33f084be3a52dfaf3169c0b5e3f608 (diff) | |
download | mariadb-git-fcb68ffe3dfb1c841852bd62a9aac9708888f4e9.tar.gz |
Simplified away READ_RECORD::struct_length
Diffstat (limited to 'sql/records.cc')
-rw-r--r-- | sql/records.cc | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sql/records.cc b/sql/records.cc index 662931f3da7..c2db29c4912 100644 --- a/sql/records.cc +++ b/sql/records.cc @@ -582,31 +582,32 @@ static int rr_unpack_from_buffer(READ_RECORD *info) } /* cacheing of records from a database */ +static const uint STRUCT_LENGTH= 3 + MAX_REFLENGTH; + static int init_rr_cache(THD *thd, READ_RECORD *info) { uint rec_cache_size, cache_records; DBUG_ENTER("init_rr_cache"); - info->struct_length= 3+MAX_REFLENGTH; info->reclength= ALIGN_SIZE(info->table->s->reclength+1); - if (info->reclength < info->struct_length) - info->reclength= ALIGN_SIZE(info->struct_length); + if (info->reclength < STRUCT_LENGTH) + info->reclength= ALIGN_SIZE(STRUCT_LENGTH); info->error_offset= info->table->s->reclength; cache_records= thd->variables.read_rnd_buff_size / - (info->reclength + info->struct_length); + (info->reclength + STRUCT_LENGTH); rec_cache_size= cache_records * info->reclength; info->rec_cache_size= cache_records * info->ref_length; // We have to allocate one more byte to use uint3korr (see comments for it) if (cache_records <= 2 || !(info->cache= (uchar*) my_malloc_lock(rec_cache_size + cache_records * - info->struct_length + 1, + STRUCT_LENGTH + 1, MYF(MY_THREAD_SPECIFIC)))) DBUG_RETURN(1); #ifdef HAVE_valgrind // Avoid warnings in qsort - bzero(info->cache, rec_cache_size + cache_records * info->struct_length + 1); + bzero(info->cache, rec_cache_size + cache_records * STRUCT_LENGTH + 1); #endif DBUG_PRINT("info", ("Allocated buffer for %d records", cache_records)); info->read_positions=info->cache+rec_cache_size; @@ -663,8 +664,7 @@ static int rr_from_cache(READ_RECORD *info) int3store(ref_position,(long) i); ref_position+=3; } - my_qsort(info->read_positions, length, info->struct_length, - (qsort_cmp) rr_cmp); + my_qsort(info->read_positions, length, STRUCT_LENGTH, (qsort_cmp) rr_cmp); position=info->read_positions; for (i=0 ; i < length ; i++) |