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

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

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

--echo
--echo # -- Check 1.

--enable_info
--echo SELECT * FROM t1 INTO OUTFILE "MYSQL_TMP_DIR/bug21818.txt";
--disable_query_log # to avoid $MYSQL_TMP_DIR in query log
--eval SELECT * FROM t1 INTO OUTFILE "$MYSQL_TMP_DIR/bug21818.txt"
--enable_query_log
--disable_info

--echo
SELECT ROW_COUNT();

--echo
--echo # -- Check 2.

--enable_info
SELECT a FROM t1 LIMIT 1 INTO @a;
--disable_info

--echo
SELECT ROW_COUNT();

--echo
--echo # -- Check 3.

--disable_warnings
DROP DATABASE IF EXISTS mysqltest1;
--enable_warnings

--enable_info
CREATE DATABASE mysqltest1;
--disable_info

--echo
SELECT ROW_COUNT();

DROP DATABASE mysqltest1;

--echo
--echo # -- Check 4.

DELETE FROM t1;

--enable_info
--echo LOAD DATA INFILE 'MYSQL_TMP_DIR/bug21818.txt' INTO TABLE t1(a);
--disable_query_log # to avoid $MYSQL_TMP_DIR in query log
--eval LOAD DATA INFILE '$MYSQL_TMP_DIR/bug21818.txt' INTO TABLE t1(a)
--enable_query_log
--disable_info

--echo
SELECT ROW_COUNT();

--remove_file $MYSQL_TMP_DIR/bug21818.txt

--echo
--echo # -- Check 5.

--enable_info
ALTER TABLE t1 ADD COLUMN b VARCHAR(255);
--disable_info

--echo
SELECT ROW_COUNT();

--echo
DROP TABLE t1;

--echo
--echo # -- Check 6.

--disable_warnings
DROP TABLE IF EXISTS t2;
--enable_warnings

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;

DROP TABLE t1;
DROP TABLE t2;

--echo
--echo # -- Check 7 (check that SQL errors reset row_count to -1).

CREATE TABLE t1(a INT);

INSERT INTO t1 VALUES (1), (2), (3);
--error ER_SP_DOES_NOT_EXIST
SELECT f1();

SELECT ROW_COUNT();

DROP TABLE t1;

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