mariadb/mysql-test/suite/storage_engine/replace.test

# 
# Basic REPLACE statements
#
--source have_engine.inc

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

--source create_table.inc

# When there is no duplicate key, REPLACE should work as INSERT

REPLACE INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
--sorted_result
SELECT * FROM t1;

REPLACE t1 (a,b) VALUE (10,'foo'),(10,'foo');
--sorted_result
SELECT * FROM t1;

DROP TABLE t1;

--let $create_definition = a $int_indexed_col, b $char_col, UNIQUE INDEX (a)
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Unique keys
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  REPLACE INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c');
  --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
  INSERT INTO t1 (a,b) VALUES (2,'d');
  --source check_errors.inc
  REPLACE INTO t1 (a,b) VALUES (2,'d');
  --sorted_result
  SELECT * FROM t1;

  DROP TABLE t1;
}

--let $create_definition = a $int_col, b $char_indexed_col, PRIMARY KEY (b)
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Primary keys
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  REPLACE INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c');
  --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
  INSERT INTO t1 (a,b) VALUES (4,'b');
  --source check_errors.inc
  REPLACE INTO t1 (a,b) VALUES (4,'b');
  --sorted_result
  SELECT * FROM t1;

  DROP TABLE t1;
}

--source cleanup_engine.inc