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Fixed bug in UNION when doing UNION with the same tables

Browse Source 
myisam/mi_extra.c:
  More debugging information
mysql-test/r/union.result:
  Added test for UNION bug
mysql-test/t/union.test:
  Added test for UNION bug
sql/sql_base.cc:
  Clear field->query_id when using UNION
sql/sql_parse.cc:
  Fix for UNION bug
sql/sql_union.cc:
  Cleanup
sql/table.h:
  Fix for UNION bug
tools/Makefile.am:
  Fix for compiling with MIT-threads
This commit is contained in:
unknown
2001-09-17 22:44:51 +03:00
parent 28097f40d3
commit 05821367d4
8 changed files with 23 additions and 8 deletions
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8
mysql-test/r/union.result
View File

@ -62,7 +62,11 @@ t2 ALL NULL NULL NULL NULL 4
pseudo
dekad
joce
pseudo1
joce
testtt
tsestset
pseudo pseudo1 same
dekad joce 1
joce testtt 1
joce tsestset 1
joce testtt 1
dekad joce 1

3
mysql-test/t/union.test
View File

@ -60,5 +60,6 @@ CREATE TABLE t1 (
) TYPE=MyISAM;
INSERT INTO t1 (pseudo,pseudo1,same) VALUES ('joce', 'testtt', 1),('joce', 'tsestset', 1),('dekad', 'joce', 1);
SELECT pseudo FROM t1 WHERE pseudo1='joce' UNION SELECT pseudo FROM t1 WHERE pseudo='joce';
SELECT * FROM t1 WHERE pseudo1='joce' UNION SELECT * FROM t1 WHERE pseudo='joce';
SELECT pseudo1 FROM t1 WHERE pseudo1='joce' UNION SELECT pseudo1 FROM t1 WHERE pseudo='joce';
SELECT * FROM t1 WHERE pseudo1='joce' UNION SELECT * FROM t1 WHERE pseudo='joce' order by pseudo desc;
drop table t1;