--echo # --echo # MDEV-28190 sql_mode makes MDEV-371 virtual column expressions nondeterministic --echo # CREATE TABLE t1 (a INT,b CHAR(20)); SHOW CREATE TABLE t1; CREATE UNIQUE INDEX bi USING HASH ON t1 (b); INSERT INTO t1 VALUES (0,0); SET sql_mode='pad_char_to_full_length'; DELETE FROM t1; DROP TABLE t1; SET sql_mode=''; CREATE TABLE t1 (a INT,b CHAR(20)); SHOW CREATE TABLE t1; CREATE UNIQUE INDEX bi USING HASH ON t1 (b); SET sql_mode='pad_char_to_full_length'; INSERT INTO t1 VALUES (0,0); DELETE FROM t1; DROP TABLE t1; SET sql_mode=''; CREATE OR REPLACE TABLE t1 (a CHAR(20),b CHAR(20)); SHOW CREATE TABLE t1; CREATE UNIQUE INDEX bi USING HASH ON t1 (b); INSERT INTO t1 VALUES (0,0); SET sql_mode='pad_char_to_full_length'; DELETE FROM t1; DROP TABLE t1;