diff options
author | unknown <serg@serg.mylan> | 2004-06-23 12:36:07 +0200 |
---|---|---|
committer | unknown <serg@serg.mylan> | 2004-06-23 12:36:07 +0200 |
commit | eb70dc5593e987ac2745224ce0ac37f5def22c48 (patch) | |
tree | f131301a9d0f77a68268ec331013df866919066f /sql/sql_select.cc | |
parent | 540121e1f9f16e32f80dce3a536c6b6d67486681 (diff) | |
parent | 9a554b4751237bc96f9ad6eae2df8b310567479d (diff) | |
download | mariadb-git-eb70dc5593e987ac2745224ce0ac37f5def22c48.tar.gz |
merged
configure.in:
Auto merged
mysql-test/Makefile.am:
Auto merged
mysql-test/r/fulltext.result:
Auto merged
sql/field.cc:
Auto merged
sql/ha_berkeley.cc:
Auto merged
sql/ha_innodb.cc:
Auto merged
sql/ha_innodb.h:
Auto merged
sql/handler.cc:
Auto merged
sql/handler.h:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/lex.h:
Auto merged
sql/opt_range.cc:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_cache.cc:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_help.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
sql/table.cc:
Auto merged
sql/unireg.cc:
Auto merged
Diffstat (limited to 'sql/sql_select.cc')
-rw-r--r-- | sql/sql_select.cc | 103 |
1 files changed, 47 insertions, 56 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index f1f93343a63..fa0f8464404 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -125,7 +125,7 @@ static int remove_duplicates(JOIN *join,TABLE *entry,List<Item> &fields, Item *having); static int remove_dup_with_compare(THD *thd, TABLE *entry, Field **field, ulong offset,Item *having); -static int remove_dup_with_hash_index(THD *thd, TABLE *table, +static int remove_dup_with_hash_index(THD *thd,TABLE *table, uint field_count, Field **first_field, ulong key_length,Item *having); static int join_init_cache(THD *thd,JOIN_TAB *tables,uint table_count); @@ -616,22 +616,8 @@ JOIN::optimize() } if (const_tables && !thd->locked_tables && !(select_options & SELECT_NO_UNLOCK)) - { - TABLE **curr_table, **end; - for (curr_table= table, end=curr_table + const_tables ; - curr_table != end; - curr_table++) - { - /* BDB tables require that we call index_end() before doing an unlock */ - if ((*curr_table)->key_read) - { - (*curr_table)->key_read=0; - (*curr_table)->file->extra(HA_EXTRA_NO_KEYREAD); - } - (*curr_table)->file->index_end(); - } mysql_unlock_some_tables(thd, table, const_tables); - } + if (!conds && outer_join) { /* Handle the case where we have an OUTER JOIN without a WHERE */ @@ -1543,6 +1529,7 @@ JOIN::cleanup() } } tmp_join->tmp_join= 0; + tmp_table_param.copy_field=0; DBUG_RETURN(tmp_join->cleanup()); } @@ -3656,7 +3643,6 @@ make_join_readinfo(JOIN *join, uint options) } delete tab->quick; tab->quick=0; - table->file->index_init(tab->ref.key); tab->read_first_record= join_read_key; tab->read_record.read_record= join_no_more_records; if (table->used_keys.is_set(tab->ref.key) && @@ -3676,7 +3662,6 @@ make_join_readinfo(JOIN *join, uint options) } delete tab->quick; tab->quick=0; - table->file->index_init(tab->ref.key); if (table->used_keys.is_set(tab->ref.key) && !table->no_keyread) { @@ -3696,7 +3681,6 @@ make_join_readinfo(JOIN *join, uint options) break; case JT_FT: table->status=STATUS_NO_RECORD; - table->file->index_init(tab->ref.key); tab->read_first_record= join_ft_read_first; tab->read_record.read_record= join_ft_read_next; break; @@ -3766,7 +3750,6 @@ make_join_readinfo(JOIN *join, uint options) !(tab->select && tab->select->quick)) { // Only read index tree tab->index=find_shortest_key(table, & table->used_keys); - tab->table->file->index_init(tab->index); tab->read_first_record= join_read_first; tab->type=JT_NEXT; // Read with index_first / index_next } @@ -3840,9 +3823,7 @@ void JOIN_TAB::cleanup() table->key_read= 0; table->file->extra(HA_EXTRA_NO_KEYREAD); } - /* Don't free index if we are using read_record */ - if (!read_record.table) - table->file->index_end(); + table->file->ha_index_or_rnd_end(); /* We need to reset this for next select (Tested in part_of_refkey) @@ -3868,7 +3849,7 @@ void JOIN::join_free(bool full) { JOIN_TAB *tab,*end; - DBUG_ENTER("join_free"); + DBUG_ENTER("JOIN::join_free"); if (table) { @@ -3881,24 +3862,24 @@ JOIN::join_free(bool full) free_io_cache(table[const_tables]); filesort_free_buffers(table[const_tables]); } - if (!full && select_lex->uncacheable) + if (full || !select_lex->uncacheable) + { + for (tab= join_tab, end= tab+tables; tab != end; tab++) + tab->cleanup(); + table= 0; + } + else { for (tab= join_tab, end= tab+tables; tab != end; tab++) { if (tab->table) { /* Don't free index if we are using read_record */ - if (!tab->read_record.table) - tab->table->file->index_end(); + if (tab->table->file->inited==handler::RND) + tab->table->file->ha_rnd_end(); } } } - else - { - for (tab= join_tab, end= tab+tables; tab != end; tab++) - tab->cleanup(); - table= 0; - } } /* We are not using tables anymore @@ -4149,12 +4130,6 @@ return_zero_rows(JOIN *join, select_result *result,TABLE_LIST *tables, item->no_rows_in_result(); result->send_data(fields); } - if (tables) // Not from do_select() - { - /* Close open cursors */ - for (TABLE_LIST *table=tables; table ; table=table->next) - table->table->file->index_end(); - } result->send_eof(); // Should be safe } /* Update results for FOUND_ROWS */ @@ -5561,8 +5536,8 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param, goto err1; if (table->file->indexes_are_disabled()) new_table.file->disable_indexes(HA_KEY_SWITCH_ALL); - table->file->index_end(); - table->file->rnd_init(); + table->file->ha_index_or_rnd_end(); + table->file->ha_rnd_init(); if (table->no_rows) { new_table.file->extra(HA_EXTRA_NO_ROWS); @@ -5584,7 +5559,7 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param, } /* remove heap table and change to use myisam table */ - (void) table->file->rnd_end(); + (void) table->file->ha_rnd_end(); (void) table->file->close(); (void) table->file->delete_table(table->real_name); delete table->file; @@ -5598,7 +5573,7 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param, err: DBUG_PRINT("error",("Got error: %d",write_err)); table->file->print_error(error,MYF(0)); // Give table is full error - (void) table->file->rnd_end(); + (void) table->file->ha_rnd_end(); (void) new_table.file->close(); err1: new_table.file->delete_table(new_table.real_name); @@ -5647,7 +5622,8 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure) { DBUG_PRINT("info",("Using end_update")); end_select=end_update; - table->file->index_init(0); + if (!table->file->inited) + table->file->ha_index_init(0); } else { @@ -5725,9 +5701,9 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure) my_errno= tmp; error= -1; } - if ((tmp=table->file->index_end())) + if ((tmp=table->file->ha_index_or_rnd_end())) { - DBUG_PRINT("error",("index_end() failed")); + DBUG_PRINT("error",("ha_index_or_rnd_end() failed")); my_errno= tmp; error= -1; } @@ -5994,6 +5970,11 @@ join_read_const_table(JOIN_TAB *tab, POSITION *pos) if (!table->outer_join || error > 0) DBUG_RETURN(error); } + if (table->key_read) + { + table->key_read=0; + table->file->extra(HA_EXTRA_NO_KEYREAD); + } } if (tab->on_expr && !table->null_row) { @@ -6072,6 +6053,8 @@ join_read_key(JOIN_TAB *tab) int error; TABLE *table= tab->table; + if (!table->file->inited) + table->file->ha_index_init(tab->ref.key); if (cmp_buffer_with_ref(tab) || (table->status & (STATUS_GARBAGE | STATUS_NO_PARENT | STATUS_NULL_ROW))) { @@ -6097,6 +6080,8 @@ join_read_always_key(JOIN_TAB *tab) int error; TABLE *table= tab->table; + if (!table->file->inited) + table->file->ha_index_init(tab->ref.key); if (cp_buffer_from_ref(&tab->ref)) return -1; if ((error=table->file->index_read(table->record[0], @@ -6122,6 +6107,8 @@ join_read_last_key(JOIN_TAB *tab) int error; TABLE *table= tab->table; + if (!table->file->inited) + table->file->ha_index_init(tab->ref.key); if (cp_buffer_from_ref(&tab->ref)) return -1; if ((error=table->file->index_read_last(table->record[0], @@ -6230,6 +6217,8 @@ join_read_first(JOIN_TAB *tab) tab->read_record.file=table->file; tab->read_record.index=tab->index; tab->read_record.record=table->record[0]; + if (!table->file->inited) + table->file->ha_index_init(tab->index); if ((error=tab->table->file->index_first(tab->table->record[0]))) { if (error != HA_ERR_KEY_NOT_FOUND && error != HA_ERR_END_OF_FILE) @@ -6267,6 +6256,8 @@ join_read_last(JOIN_TAB *tab) tab->read_record.file=table->file; tab->read_record.index=tab->index; tab->read_record.record=table->record[0]; + if (!table->file->inited) + table->file->ha_index_init(tab->index); if ((error= tab->table->file->index_last(tab->table->record[0]))) return report_error(table, error); return 0; @@ -6289,6 +6280,8 @@ join_ft_read_first(JOIN_TAB *tab) int error; TABLE *table= tab->table; + if (!table->file->inited) + table->file->ha_index_init(tab->ref.key); #if NOT_USED_YET if (cp_buffer_from_ref(&tab->ref)) // as ft-key doesn't use store_key's return -1; // see also FT_SELECT::init() @@ -6606,7 +6599,6 @@ end_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)), if (item->maybe_null) group->buff[-1]=item->null_value ? 1 : 0; } - // table->file->index_init(0); if (!table->file->index_read(table->record[1], join->tmp_table_param.group_buff,0, HA_READ_KEY_EXACT)) @@ -6637,7 +6629,7 @@ end_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)), error, 0)) DBUG_RETURN(-1); // Not a table_is_full error /* Change method to update rows */ - table->file->index_init(0); + table->file->ha_index_init(0); join->join_tab[join->tables-1].next_select=end_unique_update; } join->send_records++; @@ -7135,10 +7127,10 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, if (tab->ref.key >= 0) { tab->ref.key= new_ref_key; - table->file->index_init(new_ref_key); } else { + select->quick->file->ha_index_end(); select->quick->index= new_ref_key; select->quick->init(); } @@ -7160,7 +7152,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, */ if (!select->quick->reverse_sorted()) { - if (table->file->index_flags(ref_key) & HA_NOT_READ_PREFIX_LAST) + if (!(table->file->index_flags(ref_key) & HA_READ_PREV)) DBUG_RETURN(0); // Use filesort // ORDER BY range_key DESC QUICK_SELECT_DESC *tmp=new QUICK_SELECT_DESC(select->quick, @@ -7182,7 +7174,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, Use a traversal function that starts by reading the last row with key part (A) and then traverse the index backwards. */ - if (table->file->index_flags(ref_key) & HA_NOT_READ_PREFIX_LAST) + if (!(table->file->index_flags(ref_key) & HA_READ_PREV)) DBUG_RETURN(0); // Use filesort tab->read_first_record= join_read_last_key; tab->read_record.read_record= join_read_prev_same; @@ -7236,7 +7228,6 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, tab->index=nr; tab->read_first_record= (flag > 0 ? join_read_first: join_read_last); - table->file->index_init(nr); tab->type=JT_NEXT; // Read with index_first(), index_next() if (table->used_keys.is_set(nr)) { @@ -7497,7 +7488,7 @@ static int remove_dup_with_compare(THD *thd, TABLE *table, Field **first_field, org_record=(char*) (record=table->record[0])+offset; new_record=(char*) table->record[1]+offset; - file->rnd_init(); + file->ha_rnd_init(); error=file->rnd_next(record); for (;;) { @@ -7609,7 +7600,7 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table, (*field_length++)= (*ptr)->pack_length(); } - file->rnd_init(); + file->ha_rnd_init(); key_pos=key_buffer; for (;;) { @@ -7655,14 +7646,14 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table, my_free((char*) key_buffer,MYF(0)); hash_free(&hash); file->extra(HA_EXTRA_NO_CACHE); - (void) file->rnd_end(); + (void) file->ha_rnd_end(); DBUG_RETURN(0); err: my_free((char*) key_buffer,MYF(0)); hash_free(&hash); file->extra(HA_EXTRA_NO_CACHE); - (void) file->rnd_end(); + (void) file->ha_rnd_end(); if (error) file->print_error(error,MYF(0)); DBUG_RETURN(1); |