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# Test of function RPAD(str, len, padstr)
--echo # The function should return NULL if any of its arguments are NULL.
SELECT RPAD(NULL, 5, 'x') AS result;
SELECT RPAD(NULL, NULL, 'x') AS result;
SELECT RPAD(NULL, NULL, NULL) AS result;
SELECT RPAD('a', NULL, 'x') AS result;
SELECT RPAD('a', NULL, NULL) AS result;
SELECT RPAD('a', 5, NULL) AS result;
SELECT RPAD(NULL, 5, NULL) AS result;
--echo # The function should return an empty string if len is 0.
SELECT RPAD('a', 0, 'x') AS result;
SELECT RPAD('a', 0, '') AS result;
SELECT RPAD('', 0, 'x') AS result;
SELECT RPAD('', 0, '') AS result;
--echo # The function should return NULL if len is negative.
SELECT RPAD('a', -1, 'x');
--echo # Min signed long long int:
SELECT RPAD('a', -9223372036854775808, 'x');
--echo # Min signed long long int - 1
SELECT RPAD('a', -9223372036854775809, 'x');
--echo # The function should return NULL with a warning if len is larger than
--echo # max_allowed_packet.
--echo # Max signed long long int:
SELECT RPAD('a', 9223372036854775807, 'x');
--echo # Max signed long long int + 1:
SELECT RPAD('a', 9223372036854775808, 'x');
--echo # Max unsigned long long int:
SELECT RPAD('a', 18446744073709551615, 'x');
--echo # Max unsigned long long int + 1:
SELECT RPAD('a', 18446744073709551616, 'x');
--echo # The function should return an empty string if padstr is empty.
SELECT RPAD('a', 5, '') AS result;
SELECT RPAD('a', 5, '') AS result;
--echo # The function should do nothing if str is of length len.
SELECT RPAD('12345', 5, 'x');
--echo # The function should chop the string if len is shorter than the length
--echo # of str.
SELECT RPAD('123456787890', 1, 'x');
SELECT RPAD('123456787890', 5, 'x');
--echo # The function should right pad with padstr so that the string is len
--echo # bytes long if str is shorter than len.
SELECT RPAD('123', 5, 'x');
--echo # The function should repeat padstr also if it has mulitplie characters.
SELECT RPAD('a', 5, 'xy');
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