diff options
author | unknown <monty@mysql.com/narttu.mysql.fi> | 2007-02-21 14:07:08 +0200 |
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committer | unknown <monty@mysql.com/narttu.mysql.fi> | 2007-02-21 14:07:08 +0200 |
commit | 1384e640053aee1f528148e876a632b2a0a2a8ed (patch) | |
tree | 57fb0c9c6c3686011b021c42671cf5065cdc0cf6 /sql/sql_union.cc | |
parent | c5beed03464e9b74d75a701721154d68fc4f84ea (diff) | |
parent | 2f3a17b63e4e207ae8796d953ba611a593e3ee2c (diff) | |
download | mariadb-git-1384e640053aee1f528148e876a632b2a0a2a8ed.tar.gz |
Merge bk-internal.mysql.com:/home/bk/mysql-5.0
into mysql.com:/home/my/mysql-5.0
BitKeeper/etc/ignore:
auto-union
BUILD/SETUP.sh:
Auto merged
Makefile.am:
Auto merged
client/mysql.cc:
Auto merged
cmd-line-utils/readline/display.c:
Auto merged
configure.in:
Auto merged
extra/yassl/include/buffer.hpp:
Auto merged
extra/yassl/include/crypto_wrapper.hpp:
Auto merged
extra/yassl/include/yassl_imp.hpp:
Auto merged
extra/yassl/include/yassl_int.hpp:
Auto merged
extra/yassl/src/crypto_wrapper.cpp:
Auto merged
extra/yassl/taocrypt/include/algebra.hpp:
Auto merged
extra/yassl/taocrypt/include/des.hpp:
Auto merged
extra/yassl/taocrypt/include/hash.hpp:
Auto merged
extra/yassl/taocrypt/include/hmac.hpp:
Auto merged
extra/yassl/taocrypt/include/modarith.hpp:
Auto merged
extra/yassl/taocrypt/include/modes.hpp:
Auto merged
extra/yassl/taocrypt/include/rsa.hpp:
Auto merged
extra/yassl/taocrypt/include/type_traits.hpp:
Auto merged
extra/yassl/taocrypt/mySTL/list.hpp:
Auto merged
extra/yassl/taocrypt/src/aes.cpp:
Auto merged
extra/yassl/taocrypt/src/algebra.cpp:
Auto merged
extra/yassl/testsuite/testsuite.cpp:
Auto merged
include/my_global.h:
Auto merged
include/my_pthread.h:
Auto merged
libmysqld/lib_sql.cc:
Auto merged
myisam/mi_open.c:
Auto merged
mysql-test/mysql-test-run.pl:
Auto merged
mysql-test/r/mysqltest.result:
Auto merged
mysql-test/t/mysqltest.test:
Auto merged
mysys/default.c:
Auto merged
ndb/src/common/transporter/Transporter.cpp:
Auto merged
ndb/src/common/util/File.cpp:
Auto merged
ndb/src/common/util/SocketClient.cpp:
Auto merged
ndb/src/kernel/blocks/cmvmi/Cmvmi.cpp:
Auto merged
ndb/src/kernel/blocks/dbtc/Dbtc.hpp:
Auto merged
ndb/src/kernel/blocks/qmgr/Qmgr.hpp:
Auto merged
ndb/src/kernel/blocks/qmgr/QmgrMain.cpp:
Auto merged
ndb/src/mgmapi/mgmapi.cpp:
Auto merged
ndb/src/mgmclient/CommandInterpreter.cpp:
Auto merged
ndb/src/mgmsrv/ConfigInfo.cpp:
Auto merged
ndb/src/mgmsrv/MgmtSrvr.cpp:
Auto merged
ndb/src/ndbapi/ClusterMgr.hpp:
Auto merged
ndb/src/ndbapi/Ndb.cpp:
Auto merged
ndb/src/ndbapi/NdbScanOperation.cpp:
Auto merged
ndb/src/ndbapi/SignalSender.cpp:
Auto merged
sql/field.cc:
Auto merged
sql/filesort.cc:
Auto merged
sql/ha_myisammrg.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/item.cc:
Auto merged
sql/item.h:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/item_strfunc.cc:
Auto merged
sql/item_subselect.h:
Auto merged
sql/item_sum.cc:
Auto merged
sql/item_timefunc.cc:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/net_serv.cc:
Auto merged
sql/opt_range.cc:
Auto merged
sql/opt_range.h:
Auto merged
sql/repl_failsafe.cc:
Auto merged
sql/set_var.cc:
Auto merged
sql/set_var.h:
Auto merged
sql/slave.cc:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_lex.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_prepare.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_union.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql-common/client.c:
Auto merged
sql/sql_view.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
sql/table.cc:
Auto merged
sql/unireg.cc:
Auto merged
extra/yassl/taocrypt/src/asn.cpp:
Manual merge (Fix shadowed variable name)
extra/yassl/taocrypt/test/test.cpp:
No changes
ndb/src/common/util/ConfigValues.cpp:
Manual merge (Fix shadowed variable name)
sql/field.h:
manual merge
sql/ha_myisam.cc:
manual merge
sql/ha_ndbcluster.cc:
manual merge
sql/item_cmpfunc.cc:
manual merge
sql/item_subselect.cc:
Manual merge (Fix shadowed variable name)
sql/mysqld.cc:
no changes
Diffstat (limited to 'sql/sql_union.cc')
-rw-r--r-- | sql/sql_union.cc | 89 |
1 files changed, 45 insertions, 44 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index 8b7dde2f818..c94a7e17e59 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -111,7 +111,7 @@ bool select_union::flush() */ bool -select_union::create_result_table(THD *thd, List<Item> *column_types, +select_union::create_result_table(THD *thd_arg, List<Item> *column_types, bool is_union_distinct, ulonglong options, const char *alias) { @@ -119,7 +119,7 @@ select_union::create_result_table(THD *thd, List<Item> *column_types, tmp_table_param.init(); tmp_table_param.field_count= column_types->elements; - if (! (table= create_tmp_table(thd, &tmp_table_param, *column_types, + if (! (table= create_tmp_table(thd_arg, &tmp_table_param, *column_types, (ORDER*) 0, is_union_distinct, 1, options, HA_POS_ERROR, (char*) alias))) return TRUE; @@ -141,9 +141,9 @@ select_union::create_result_table(THD *thd, List<Item> *column_types, */ void -st_select_lex_unit::init_prepare_fake_select_lex(THD *thd) +st_select_lex_unit::init_prepare_fake_select_lex(THD *thd_arg) { - thd->lex->current_select= fake_select_lex; + thd_arg->lex->current_select= fake_select_lex; fake_select_lex->table_list.link_in_list((byte *)&result_table_list, (byte **) &result_table_list.next_local); @@ -197,7 +197,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, DBUG_RETURN(FALSE); } prepared= 1; - res= FALSE; + saved_error= FALSE; thd_arg->lex->current_select= sl= first_sl; found_rows_for_union= first_sl->options & OPTION_FOUND_ROWS; @@ -238,23 +238,25 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, can_skip_order_by= is_union && !(sl->braces && sl->explicit_limit); - res= join->prepare(&sl->ref_pointer_array, - (TABLE_LIST*) sl->table_list.first, sl->with_wild, - sl->where, - (can_skip_order_by ? 0 : sl->order_list.elements) + - sl->group_list.elements, - can_skip_order_by ? - (ORDER*) 0 : (ORDER *)sl->order_list.first, - (ORDER*) sl->group_list.first, - sl->having, - (is_union ? (ORDER*) 0 : - (ORDER*) thd_arg->lex->proc_list.first), - sl, this); + saved_error= join->prepare(&sl->ref_pointer_array, + (TABLE_LIST*) sl->table_list.first, + sl->with_wild, + sl->where, + (can_skip_order_by ? 0 : + sl->order_list.elements) + + sl->group_list.elements, + can_skip_order_by ? + (ORDER*) 0 : (ORDER *)sl->order_list.first, + (ORDER*) sl->group_list.first, + sl->having, + (is_union ? (ORDER*) 0 : + (ORDER*) thd_arg->lex->proc_list.first), + sl, this); /* There are no * in the statement anymore (for PS) */ sl->with_wild= 0; last_procedure= join->procedure; - if ((res= (res || thd_arg->is_fatal_error))) + if (saved_error || (saved_error= thd_arg->is_fatal_error)) goto err; /* Use items list of underlaid select for derived tables to preserve @@ -349,12 +351,12 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, arena= thd->activate_stmt_arena_if_needed(&backup_arena); - res= table->fill_item_list(&item_list); + saved_error= table->fill_item_list(&item_list); if (arena) thd->restore_active_arena(arena, &backup_arena); - if (res) + if (saved_error) goto err; if (thd->stmt_arena->is_stmt_prepare()) @@ -373,7 +375,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, fake_select_lex->item_list= item_list; thd_arg->lex->current_select= fake_select_lex; - res= fake_select_lex->join-> + saved_error= fake_select_lex->join-> prepare(&fake_select_lex->ref_pointer_array, (TABLE_LIST*) fake_select_lex->table_list.first, 0, 0, @@ -398,7 +400,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, thd_arg->lex->current_select= lex_select_save; - DBUG_RETURN(res || thd_arg->is_fatal_error); + DBUG_RETURN(saved_error || thd_arg->is_fatal_error); err: thd_arg->lex->current_select= lex_select_save; @@ -440,7 +442,7 @@ bool st_select_lex_unit::exec() thd->lex->current_select= sl; if (optimized) - res= sl->join->reinit(); + saved_error= sl->join->reinit(); else { set_limit(sl); @@ -463,9 +465,9 @@ bool st_select_lex_unit::exec() sl->join->select_options= (select_limit_cnt == HA_POS_ERROR || sl->braces) ? sl->options & ~OPTION_FOUND_ROWS : sl->options | found_rows_for_union; - res= sl->join->optimize(); + saved_error= sl->join->optimize(); } - if (!res) + if (!saved_error) { records_at_start= table->file->records; sl->join->exec(); @@ -475,11 +477,11 @@ bool st_select_lex_unit::exec() DBUG_RETURN(TRUE); table->no_keyread=1; } - res= sl->join->error; + saved_error= sl->join->error; offset_limit_cnt= (ha_rows)(sl->offset_limit ? sl->offset_limit->val_uint() : 0); - if (!res) + if (!saved_error) { examined_rows+= thd->examined_row_count; if (union_result->flush()) @@ -489,10 +491,10 @@ bool st_select_lex_unit::exec() } } } - if (res) + if (saved_error) { thd->lex->current_select= lex_select_save; - DBUG_RETURN(res); + DBUG_RETURN(saved_error); } /* Needed for the following test and for records_at_start in next loop */ int error= table->file->info(HA_STATUS_VARIABLE); @@ -518,7 +520,7 @@ bool st_select_lex_unit::exec() optimized= 1; /* Send result to 'result' */ - res= TRUE; + saved_error= TRUE; { List<Item_func_match> empty_list; empty_list.empty(); @@ -559,17 +561,17 @@ bool st_select_lex_unit::exec() } join->init(thd, item_list, fake_select_lex->options, result); } - res= mysql_select(thd, &fake_select_lex->ref_pointer_array, - &result_table_list, - 0, item_list, NULL, - global_parameters->order_list.elements, - (ORDER*)global_parameters->order_list.first, - (ORDER*) NULL, NULL, (ORDER*) NULL, - fake_select_lex->options | SELECT_NO_UNLOCK, - result, this, fake_select_lex); + saved_error= mysql_select(thd, &fake_select_lex->ref_pointer_array, + &result_table_list, + 0, item_list, NULL, + global_parameters->order_list.elements, + (ORDER*)global_parameters->order_list.first, + (ORDER*) NULL, NULL, (ORDER*) NULL, + fake_select_lex->options | SELECT_NO_UNLOCK, + result, this, fake_select_lex); fake_select_lex->table_list.empty(); - if (!res) + if (!saved_error) { thd->limit_found_rows = (ulonglong)table->file->records + add_rows; thd->examined_row_count+= examined_rows; @@ -581,7 +583,7 @@ bool st_select_lex_unit::exec() } } thd->lex->current_select= lex_select_save; - DBUG_RETURN(res); + DBUG_RETURN(saved_error); } @@ -658,18 +660,18 @@ void st_select_lex_unit::reinit_exec_mechanism() TRUE - error */ -bool st_select_lex_unit::change_result(select_subselect *result, +bool st_select_lex_unit::change_result(select_subselect *new_result, select_subselect *old_result) { bool res= FALSE; for (SELECT_LEX *sl= first_select(); sl; sl= sl->next_select()) { if (sl->join && sl->join->result == old_result) - if (sl->join->change_result(result)) + if (sl->join->change_result(new_result)) return TRUE; } if (fake_select_lex && fake_select_lex->join) - res= fake_select_lex->join->change_result(result); + res= fake_select_lex->join->change_result(new_result); return (res); } @@ -749,4 +751,3 @@ void st_select_lex::cleanup_all_joins(bool full) for (sl= unit->first_select(); sl; sl= sl->next_select()) sl->cleanup_all_joins(full); } - |