database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-26695: Number of an invalid row is not calculated for table value

Browse Source 
constructor

Analysis: counter does not increment while sending rows for table value
constructor and so row_number assumes the default value (0 in this case).
Fix: Increment the counter to avoid counter using default value.
This commit is contained in:
Rucha Deodhar
2022-01-23 13:42:41 +05:30
parent 9e314fcf6e
commit ee5966c754
3 changed files with 63 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
mysql-test/main/get_diagnostics.test
View File

@ -1687,3 +1687,27 @@ GET DIAGNOSTICS CONDITION 3 @n = ROW_NUMBER;
SELECT @n;
DROP TABLE t;
--echo #
--echo # MDEV-26695: Number of an invalid row is not calculated for table value constructor
--echo #
CREATE TABLE t1 (a CHAR(1)) VALUES ('a'),('b'),('foo');
GET DIAGNOSTICS CONDITION 1 @n= ROW_NUMBER;
SELECT @n;
CREATE TABLE t2 (a CHAR(1)) VALUES ('a'),('b') UNION VALUES ('foo');
GET DIAGNOSTICS CONDITION 1 @n= ROW_NUMBER;
SELECT @n;
DROP TABLE t1, t2;
--echo # Checking that CREATE ... SELECT works
CREATE TABLE t1 (val1 CHAR(5));
INSERT INTO t1 VALUES ('A'),('B'),('C'),('DEF');
CREATE TABLE t2 (val2 CHAR(1)) SELECT val1 as val2 FROM t1;
GET DIAGNOSTICS CONDITION 1 @n= ROW_NUMBER;
SELECT @n;
SELECT * FROM t2;
DROP TABLE t1,t2;