diff options
Diffstat (limited to 'sql/opt_range.cc')
-rw-r--r-- | sql/opt_range.cc | 76 |
1 files changed, 45 insertions, 31 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index c1ebfe105b6..25fcdfc51fd 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -751,7 +751,7 @@ int QUICK_RANGE_SELECT::init() DBUG_ENTER("QUICK_RANGE_SELECT::init"); if (file->inited == handler::NONE) - DBUG_RETURN(error= file->ha_index_init(index)); + DBUG_RETURN(error= file->ha_index_init(index, 1)); error= 0; DBUG_RETURN(0); } @@ -778,9 +778,10 @@ QUICK_RANGE_SELECT::~QUICK_RANGE_SELECT() { DBUG_PRINT("info", ("Freeing separate handler %p (free=%d)", file, free_file)); - file->reset(); + file->ha_reset(); file->external_lock(current_thd, F_UNLCK); file->close(); + delete file; } } delete_dynamic(&ranges); /* ranges are allocated in alloc */ @@ -916,7 +917,7 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler) { DBUG_PRINT("info", ("Reusing handler %p", file)); if (file->extra(HA_EXTRA_KEYREAD) || - file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || + file->ha_retrieve_all_pk() || init() || reset()) { DBUG_RETURN(1); @@ -944,7 +945,7 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler) goto failure; if (file->extra(HA_EXTRA_KEYREAD) || - file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || + file->ha_retrieve_all_pk() || init() || reset()) { file->external_lock(thd, F_UNLCK); @@ -956,6 +957,8 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler) DBUG_RETURN(0); failure: + if (file) + delete file; file= save_file; DBUG_RETURN(1); } @@ -1562,9 +1565,10 @@ static int fill_used_fields_bitmap(PARAM *param) { TABLE *table= param->table; param->fields_bitmap_size= (table->s->fields/8 + 1); - uchar *tmp; + uint32 *tmp; uint pk; - if (!(tmp= (uchar*)alloc_root(param->mem_root,param->fields_bitmap_size)) || + if (!(tmp= (uint32*)alloc_root(param->mem_root, + bytes_word_aligned(param->fields_bitmap_size))) || bitmap_init(¶m->needed_fields, tmp, param->fields_bitmap_size*8, FALSE)) return 1; @@ -2307,7 +2311,7 @@ static ROR_SCAN_INFO *make_ror_scan(const PARAM *param, int idx, SEL_ARG *sel_arg) { ROR_SCAN_INFO *ror_scan; - uchar *bitmap_buf; + uint32 *bitmap_buf; uint keynr; DBUG_ENTER("make_ror_scan"); @@ -2322,8 +2326,8 @@ ROR_SCAN_INFO *make_ror_scan(const PARAM *param, int idx, SEL_ARG *sel_arg) ror_scan->sel_arg= sel_arg; ror_scan->records= param->table->quick_rows[keynr]; - if (!(bitmap_buf= (uchar*)alloc_root(param->mem_root, - param->fields_bitmap_size))) + if (!(bitmap_buf= (uint32*)alloc_root(param->mem_root, + bytes_word_aligned(param->fields_bitmap_size)))) DBUG_RETURN(NULL); if (bitmap_init(&ror_scan->covered_fields, bitmap_buf, @@ -2437,12 +2441,13 @@ static ROR_INTERSECT_INFO* ror_intersect_init(const PARAM *param) { ROR_INTERSECT_INFO *info; - uchar* buf; + uint32* buf; if (!(info= (ROR_INTERSECT_INFO*)alloc_root(param->mem_root, sizeof(ROR_INTERSECT_INFO)))) return NULL; info->param= param; - if (!(buf= (uchar*)alloc_root(param->mem_root, param->fields_bitmap_size))) + if (!(buf= (uint32*)alloc_root(param->mem_root, + bytes_word_aligned(param->fields_bitmap_size)))) return NULL; if (bitmap_init(&info->covered_fields, buf, param->fields_bitmap_size*8, FALSE)) @@ -2459,7 +2464,7 @@ void ror_intersect_cpy(ROR_INTERSECT_INFO *dst, const ROR_INTERSECT_INFO *src) { dst->param= src->param; memcpy(dst->covered_fields.bitmap, src->covered_fields.bitmap, - src->covered_fields.bitmap_size); + no_bytes_in_map(&src->covered_fields)); dst->out_rows= src->out_rows; dst->is_covering= src->is_covering; dst->index_records= src->index_records; @@ -3001,9 +3006,9 @@ TRP_ROR_INTERSECT *get_best_covering_ror_intersect(PARAM *param, /*I=set of all covering indexes */ ror_scan_mark= tree->ror_scans; - uchar buf[MAX_KEY/8+1]; + uint32 int_buf[MAX_KEY/32+1]; MY_BITMAP covered_fields; - if (bitmap_init(&covered_fields, buf, nbits, FALSE)) + if (bitmap_init(&covered_fields, int_buf, nbits, FALSE)) DBUG_RETURN(0); bitmap_clear_all(&covered_fields); @@ -5776,7 +5781,7 @@ int QUICK_INDEX_MERGE_SELECT::read_keys_and_merge() (This also creates a deficiency - it is possible that we will retrieve parts of key that are not used by current query at all.) */ - if (head->file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY)) + if (head->file->ha_retrieve_all_pk()) DBUG_RETURN(1); cur_quick_it.rewind(); @@ -6045,7 +6050,7 @@ int QUICK_RANGE_SELECT::reset() range= NULL; cur_range= (QUICK_RANGE**) ranges.buffer; - if (file->inited == handler::NONE && (error= file->ha_index_init(index))) + if (file->inited == handler::NONE && (error= file->ha_index_init(index,1))) DBUG_RETURN(error); /* Do not allocate the buffers twice. */ @@ -6304,7 +6309,7 @@ int QUICK_RANGE_SELECT_GEOM::get_next() (byte*) range->min_key, range->min_length, (ha_rkey_function)(range->flag ^ GEOM_FLAG)); - if (result != HA_ERR_KEY_NOT_FOUND) + if (result != HA_ERR_KEY_NOT_FOUND && result != HA_ERR_END_OF_FILE) DBUG_RETURN(result); range=0; // Not found, to next range } @@ -6447,7 +6452,7 @@ int QUICK_SELECT_DESC::get_next() } if (result) { - if (result != HA_ERR_KEY_NOT_FOUND) + if (result != HA_ERR_KEY_NOT_FOUND && result != HA_ERR_END_OF_FILE) DBUG_RETURN(result); range=0; // Not found, to next range continue; @@ -8079,7 +8084,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::reset(void) DBUG_ENTER("QUICK_GROUP_MIN_MAX_SELECT::reset"); file->extra(HA_EXTRA_KEYREAD); /* We need only the key attributes */ - result= file->ha_index_init(index); + result= file->ha_index_init(index, 1); result= file->index_last(record); if (result == HA_ERR_END_OF_FILE) DBUG_RETURN(0); @@ -8155,7 +8160,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::get_next() DBUG_ASSERT(is_last_prefix <= 0); if (result == HA_ERR_KEY_NOT_FOUND) continue; - else if (result) + if (result) break; if (have_min) @@ -8185,10 +8190,11 @@ int QUICK_GROUP_MIN_MAX_SELECT::get_next() HA_READ_KEY_EXACT); result= have_min ? min_res : have_max ? max_res : result; - } - while (result == HA_ERR_KEY_NOT_FOUND && is_last_prefix != 0); + } while ((result == HA_ERR_KEY_NOT_FOUND || result == HA_ERR_END_OF_FILE) && + is_last_prefix != 0); if (result == 0) + { /* Partially mimic the behavior of end_select_send. Copy the field data from Item_field::field into Item_field::result_field @@ -8196,6 +8202,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::get_next() other fields in non-ANSI SQL mode). */ copy_fields(&join->tmp_table_param); + } else if (result == HA_ERR_KEY_NOT_FOUND) result= HA_ERR_END_OF_FILE; @@ -8222,6 +8229,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::get_next() RETURN 0 on success HA_ERR_KEY_NOT_FOUND if no MIN key was found that fulfills all conditions. + HA_ERR_END_OF_FILE - "" - other if some error occurred */ @@ -8275,7 +8283,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min() if (key_cmp(index_info->key_part, group_prefix, real_prefix_len)) key_restore(record, tmp_record, index_info, 0); } - else if (result == HA_ERR_KEY_NOT_FOUND) + else if (result == HA_ERR_KEY_NOT_FOUND || result == HA_ERR_END_OF_FILE) result= 0; /* There is a result in any case. */ } } @@ -8300,6 +8308,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min() RETURN 0 on success HA_ERR_KEY_NOT_FOUND if no MAX key was found that fulfills all conditions. + HA_ERR_END_OF_FILE - "" - other if some error occurred */ @@ -8400,6 +8409,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_prefix() 0 on success HA_ERR_KEY_NOT_FOUND if there is no key with the given prefix in any of the ranges + HA_ERR_END_OF_FILE - "" - other if some error */ @@ -8444,11 +8454,12 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min_in_range() result= file->index_read(record, group_prefix, search_prefix_len, find_flag); - if ((result == HA_ERR_KEY_NOT_FOUND) && - (cur_range->flag & (EQ_RANGE | NULL_RANGE))) - continue; /* Check the next range. */ - else if (result) + if (result) { + if ((result == HA_ERR_KEY_NOT_FOUND || result == HA_ERR_END_OF_FILE) && + (cur_range->flag & (EQ_RANGE | NULL_RANGE))) + continue; /* Check the next range. */ + /* In all other cases (HA_ERR_*, HA_READ_KEY_EXACT with NO_MIN_RANGE, HA_READ_AFTER_KEY, HA_READ_KEY_OR_NEXT) if the lookup failed for this @@ -8475,7 +8486,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min_in_range() /* Check if record belongs to the current group. */ if (key_cmp(index_info->key_part, group_prefix, real_prefix_len)) { - result = HA_ERR_KEY_NOT_FOUND; + result= HA_ERR_KEY_NOT_FOUND; continue; } @@ -8493,7 +8504,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min_in_range() if (!((cur_range->flag & NEAR_MAX) && (cmp_res == -1) || (cmp_res <= 0))) { - result = HA_ERR_KEY_NOT_FOUND; + result= HA_ERR_KEY_NOT_FOUND; continue; } } @@ -8532,6 +8543,7 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_min_in_range() 0 on success HA_ERR_KEY_NOT_FOUND if there is no key with the given prefix in any of the ranges + HA_ERR_END_OF_FILE - "" - other if some error */ @@ -8577,10 +8589,12 @@ int QUICK_GROUP_MIN_MAX_SELECT::next_max_in_range() result= file->index_read(record, group_prefix, search_prefix_len, find_flag); - if ((result == HA_ERR_KEY_NOT_FOUND) && (cur_range->flag & EQ_RANGE)) - continue; /* Check the next range. */ if (result) { + if ((result == HA_ERR_KEY_NOT_FOUND || result == HA_ERR_END_OF_FILE) && + (cur_range->flag & EQ_RANGE)) + continue; /* Check the next range. */ + /* In no key was found with this upper bound, there certainly are no keys in the ranges to the left. |