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USE test;
--echo #
--echo # MDEV-14013 : sql_mode=EMPTY_STRING_IS_NULL
--echo #
set @mode='EMPTY_STRING_IS_NULL';
--source include/empty_string_literal.inc
--echo #
--echo # MDEV-20763 Table corruption or Assertion `btr_validate_index(index, 0, false)' failed in row_upd_sec_index_entry with virtual column and EMPTY_STRING_IS_NULL SQL mode
--echo #
create table t1 (a int, b binary(1) generated always as (''), key(a,b));
insert into t1 (a) values (1);
set sql_mode= default;
flush tables;
update t1 set a = 2;
show create table t1;
drop table t1;
create table t1 (a int, b binary(1) generated always as (''), key(a,b));
insert into t1 (a) values (1);
set sql_mode= 'empty_string_is_null';
flush tables;
update t1 set a = 2;
show create table t1;
drop table t1;
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