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BUG#11869 (cont'd, eliminating "table type doesn't support FULLTEXT" error):

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When creating temporary table for UNION, pass TMP_TABLE_FORCE_MYISAM flag to 
create_tmp_table if we will be using fulltext function(s) when reading from the 
temp. table.
This commit is contained in:
sergefp@mysql.com 2005-08-06 21:08:28 +00:00
parent 176bfcab13
commit 5e9545d4c4
5 changed files with 40 additions and 5 deletions
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10
mysql-test/r/fulltext_order_by.result
View File

@ -159,4 +159,14 @@ match(c.beitrag) against ('+abc' in boolean mode)
order by
match(betreff) against ('+abc' in boolean mode) desc;
text id betreff
(select b.id, b.betreff from t3 b) union
(select b.id, b.betreff from t3 b)
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
select distinct b.id, b.betreff from t3 b
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
select b.id, b.betreff from t3 b group by b.id+1
order by match(betreff) against ('+abc' in boolean mode) desc;
id betreff
drop table t1,t2,t3;

11
mysql-test/t/fulltext_order_by.test
View File

@ -133,6 +133,17 @@ where
order by
match(betreff) against ('+abc' in boolean mode) desc;
# BUG#11869 part2: used table type doesn't support FULLTEXT indexes error
(select b.id, b.betreff from t3 b) union
(select b.id, b.betreff from t3 b)
order by match(betreff) against ('+abc' in boolean mode) desc;
select distinct b.id, b.betreff from t3 b
order by match(betreff) against ('+abc' in boolean mode) desc;
select b.id, b.betreff from t3 b group by b.id+1
order by match(betreff) against ('+abc' in boolean mode) desc;
drop table t1,t2,t3;
# End of 4.1 tests

6
sql/mysql_priv.h
View File

@ -215,6 +215,12 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
in the user query has requested */
#define SELECT_ALL (1L << 29)
/*
Force the used temporary table to be a MyISAM table (because we will use
fulltext functions when reading from it.
*/
#define TMP_TABLE_FORCE_MYISAM (1L << 30)
/* If set to 0, then the thread will ignore all warnings with level notes.
Set by executing SET SQL_NOTES=1 */
#define OPTION_SQL_NOTES (1L << 31)

2
sql/sql_select.cc
View File

@ -5290,7 +5290,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
/* If result table is small; use a heap */
if (blob_count || using_unique_constraint ||
(select_options & (OPTION_BIG_TABLES | SELECT_SMALL_RESULT)) ==
OPTION_BIG_TABLES)
OPTION_BIG_TABLES ||(select_options & TMP_TABLE_FORCE_MYISAM))
{
table->file=get_new_handler(table,table->db_type=DB_TYPE_MYISAM);
if (group &&

16
sql/sql_union.cc
View File

@ -296,15 +296,23 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
goto err;
}
}
ulong create_options= first_select_in_union()->options | thd_arg->options |
TMP_TABLE_ALL_COLUMNS;
/*
Force the temporary table to be a MyISAM table if we're going to use
fullext functions (MATCH ... AGAINST .. IN BOOLEAN MODE) when reading
from it.
*/
if (global_parameters->ftfunc_list->elements)
create_options= create_options | TMP_TABLE_FORCE_MYISAM;
union_result->tmp_table_param.field_count= types.elements;
if (!(table= create_tmp_table(thd_arg,
&union_result->tmp_table_param, types,
(ORDER*) 0, (bool) union_distinct, 1,
(first_select_in_union()->options |
thd_arg->options |
TMP_TABLE_ALL_COLUMNS),
HA_POS_ERROR, (char *) tmp_table_alias)))
create_options, HA_POS_ERROR,
(char *) tmp_table_alias)))
goto err;
table->file->extra(HA_EXTRA_WRITE_CACHE);
table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);