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8dca4cf53f
remove a special treatment of a bare DEFAULT keyword that made it behave inconsistently and differently from DEFAULT(column). Now all forms of the explicit assignment of a default column value behave identically, and all count as an explicitly assigned value (for the purpose of ON UPDATE NOW). followup for c7c481f4d91
70 lines
2.0 KiB
Plaintext
70 lines
2.0 KiB
Plaintext
--echo #
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--echo # Test of function defaults for any server, including embedded.
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--echo #
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--echo #
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--echo # Function defaults run 1. No microsecond precision.
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--echo #
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let $current_timestamp=CURRENT_TIMESTAMP;
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let $now=NOW();
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let $timestamp=TIMESTAMP;
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let $datetime=DATETIME;
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source 'include/function_defaults.inc';
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--echo #
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--echo # Function defaults run 2. Six digits scale on seconds precision.
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--echo #
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let $current_timestamp=CURRENT_TIMESTAMP(6);
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let $now=NOW(6);
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let $timestamp=TIMESTAMP(6);
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let $datetime=DATETIME(6);
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source 'include/function_defaults.inc';
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#
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# MDEV-20403 Assertion `0' or Assertion `btr_validate_index(index, 0)' failed in row_upd_sec_index_entry or error code 126: Index is corrupted upon UPDATE with TIMESTAMP..ON UPDATE
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#
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# ON UPDATE NOW and indexed virtual columns
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create table t1 (t timestamp, i int, v timestamp as (t) virtual, key(v));
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insert t1 (t,i) values ('2006-03-01 23:59:59',1);
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update t1 set i = 2;
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check table t1;
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drop table t1;
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# ON UPDATE NOW and triggers
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create table t1 (t timestamp, i int);
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create trigger tr1 before update on t1 for each row set @new:=new.t;
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insert t1 (t,i) values ('2006-03-01 23:59:59', 1);
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update t1 set i = 2;
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select if(@new = t, 'correct', 'wrong') from t1;
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drop table t1;
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# triggers, virtual columns, multi-update
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create table t1 (i int, j int as (i));
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create trigger tr1 before update on t1 for each row set @new:=new.j;
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insert t1 (i) values (1);
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update t1, t1 as t2 set t1.i = 2;
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select if(@new = j, 'correct', 'wrong') from t1;
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drop table t1;
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# SET xxx=DEFAULT
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create table t1 (a int, b varchar(20) default 'foo');
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insert t1 values (1,'bla'),(2, 'bar');
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select * from t1;
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update t1 set b=default where a=1;
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select * from t1;
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drop table t1;
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# ON UPDATE NOW and SET xxx=DEFAULT
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create table t1 (
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a int,
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b timestamp default '2010-10-10 10:10:10' on update now(),
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c varchar(100) default 'x');
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insert t1 (a) values (1),(2);
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select * from t1;
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set timestamp=unix_timestamp('2011-11-11 11-11-11');
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update t1 set b=default, c=default(b) where a=1;
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select * from t1;
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drop table t1;
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set timestamp=default;
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