# -- 
# -- Test case for Bug#21818.
# -- 

DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1), (2), (3);

# -- Check 1.
SELECT * FROM t1 INTO OUTFILE "MYSQL_TMP_DIR/bug21818.txt";
affected rows: 3

SELECT ROW_COUNT();
ROW_COUNT()
3

# -- Check 2.
SELECT a FROM t1 LIMIT 1 INTO @a;
affected rows: 1

SELECT ROW_COUNT();
ROW_COUNT()
1

# -- Check 3.
DROP DATABASE IF EXISTS mysqltest1;
CREATE DATABASE mysqltest1;
affected rows: 1

SELECT ROW_COUNT();
ROW_COUNT()
1
DROP DATABASE mysqltest1;

# -- Check 4.
DELETE FROM t1;
LOAD DATA INFILE 'MYSQL_TMP_DIR/bug21818.txt' INTO TABLE t1(a);
affected rows: 3
info: Records: 3  Deleted: 0  Skipped: 0  Warnings: 0

SELECT ROW_COUNT();
ROW_COUNT()
3

# -- Check 5.
ALTER TABLE t1 ADD COLUMN b VARCHAR(255);
affected rows: 3
info: Records: 3  Duplicates: 0  Warnings: 0

SELECT ROW_COUNT();
ROW_COUNT()
3

DROP TABLE t1;

# -- Check 6.
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(a INT);
CREATE TABLE t2(a INT);
INSERT INTO t1 VALUES (1), (2), (3);
INSERT INTO t2 VALUES (ROW_COUNT());
SELECT * FROM t2;
a
3
DROP TABLE t1;
DROP TABLE t2;

# -- Check 7 (check that SQL errors reset row_count to -1).
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1), (2), (3);
SELECT f1();
ERROR 42000: FUNCTION test.f1 does not exist
SELECT ROW_COUNT();
ROW_COUNT()
-1
DROP TABLE t1;

# -- End of test case for Bug#21818.