diff options
author | unknown <bell@sanja.is.com.ua> | 2004-03-25 14:40:36 +0200 |
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committer | unknown <bell@sanja.is.com.ua> | 2004-03-25 14:40:36 +0200 |
commit | bdb874226efb55979eb8eef909f050ba6f949ab8 (patch) | |
tree | e6f396c962b2435d0ee4fe03d4febadbd4439111 /sql/sql_union.cc | |
parent | 7674fd064c7a2d8b2efec1ee8d7b4eaae0dd7fc5 (diff) | |
parent | aadc499aeaa3f6976d9ebea1ef787e294d759ee2 (diff) | |
download | mariadb-git-bdb874226efb55979eb8eef909f050ba6f949ab8.tar.gz |
Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1
into sanja.is.com.ua:/home/bell/mysql/bk/work-alias-4.1
sql/sql_lex.cc:
Auto merged
sql/sql_union.cc:
Auto merged
Diffstat (limited to 'sql/sql_union.cc')
-rw-r--r-- | sql/sql_union.cc | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index 3a27e606cff..6eb72b3ac3d 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -226,13 +226,23 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, thd_arg->lex->current_select= lex_select_save; { + Statement *stmt= thd->current_statement; + Statement backup; + if (stmt) + thd->set_n_backup_item_arena(stmt, &backup); Field **field; for (field= table->field; *field; field++) { Item_field *item= new Item_field(*field); if (!item || item_list.push_back(item)) + { + if (stmt) + thd->restore_backup_item_arena(stmt, &backup); DBUG_RETURN(-1); + } } + if (stmt) + thd->restore_backup_item_arena(stmt, &backup); } } else @@ -431,7 +441,7 @@ int st_select_lex_unit::cleanup() { DBUG_RETURN(0); } - cleaned= 0; + cleaned= 1; if (union_result) { @@ -465,16 +475,19 @@ void st_select_lex_unit::reinit_exec_mechanism() { prepared= optimized= executed= 0; #ifndef DBUG_OFF - List_iterator_fast<Item> it(item_list); - Item_field *field; - while ((field= (Item_field *)it++)) + if (first_select()->next_select()) { - /* - we can't cleanup here, because it broke link to temporary table field, - but have to drop fixed flag to allow next fix_field of this field - during re-executing - */ - field->fixed= 0; + List_iterator_fast<Item> it(item_list); + Item *field; + while ((field= it++)) + { + /* + we can't cleanup here, because it broke link to temporary table field, + but have to drop fixed flag to allow next fix_field of this field + during re-executing + */ + field->fixed= 0; + } } #endif } |