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MDEV-13242 Wrong results for queries with row constructors and information_schema

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Alexander Barkov 2017-10-05 13:41:16 +04:00
commit 1cfaafafee
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32
mysql-test/r/information_schema.result
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@ -2069,3 +2069,35 @@ Opened_tables 3
drop database mysqltest;
drop database db1;
set global sql_mode=default;
USE test;
#
# End of 10.0 tests
#
#
# Start of 10.1 tests
#
#
# MDEV-13242 Wrong results for queries with row constructors and information_schema
#
CREATE TABLE tt1(c1 INT);
CREATE TABLE tt2(c2 INT);
SELECT count(*) FROM information_schema.columns WHERE table_schema='test' AND (table_name, column_name) IN (('tt1', 'c1'));
count(*)
1
SELECT count(*) FROM information_schema.columns WHERE table_schema='test' AND (table_name, column_name) IN (('tt2', 'c2'));
count(*)
1
SELECT count(*) FROM information_schema.columns WHERE table_schema='test' AND (table_name, column_name) IN (('tt1','c1'),('tt2', 'c2'));
count(*)
2
SELECT count(*) FROM information_schema.columns WHERE table_schema='test' AND (table_name, column_name) IN (SELECT 'tt1','c1' FROM dual UNION SELECT 'tt2', 'c2' FROM dual);
count(*)
2
SELECT count(*) FROM information_schema.columns WHERE table_schema='test' AND (table_name='tt1' AND column_name='c1') OR (table_name='tt2' AND column_name='c2');
count(*)
2
SELECT column_name FROM information_schema.columns WHERE (table_name, column_name) IN (('tt1','c1'),('tt2', 'c2')) ORDER BY column_name;
column_name
c1
c2
DROP TABLE tt1, tt2;