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Code Activity

code cleanup

Browse Source 
fixed subselect error handling bug
fixed subselect UNION ALL bug
fixed thd->lex.select restoring
explain UNION subselect bug


mysql-test/r/subselect.result:
  test for:
    subselect UNION ALL bug
    subselect error handling bug
    explain UNION subselect bug
mysql-test/t/subselect.test:
  test for:
    subselect UNION ALL bug
    subselect error handling bug
    explain UNION subselect bug
sql/sql_lex.cc:
  fixed subselect UNION ALL bug
sql/sql_lex.h:
  fixed subselect UNION ALL bug
sql/sql_parse.cc:
  fixed subselect UNION ALL bug
sql/sql_select.cc:
  fixed subselect error handling bug
  fixed explain UNION subselect bug
sql/sql_union.cc:
  fixed thd->lex.select restoring
  code cleanup
  fixed subselect error handling bug
  fixed subselect UNION ALL bug
sql/sql_yacc.yy:
  fixed subselect UNION ALL bug
This commit is contained in:
unknown
2002-10-26 20:18:37 +03:00
parent 9e82940496
commit c37bbf06bb
8 changed files with 52 additions and 52 deletions
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12
mysql-test/r/subselect.result
View File

@ -204,4 +204,16 @@ date
SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
(SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03')
2002-08-03
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
1
1
1
1
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
Subselect returns more than 1 record
EXPLAIN SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY searchconthardwarefr3 index NULL topic 3 NULL 2 Using index
2 SUBSELECT No tables used
3 UNION No tables used
drop table searchconthardwarefr3;

4
mysql-test/t/subselect.test
View File

@ -110,4 +110,8 @@ EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
-- error 1240
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1);
drop table searchconthardwarefr3;