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09ba29e539
Added basic per-thread time zone functionality (based on public domain elsie-code). Now user can select current time zone (from the list of time zones described in system tables). All NOW-like functions honor this time zone, values of TIMESTAMP type are interpreted as values in this time zone, so now our TIMESTAMP type behaves similar to Oracle's TIMESTAMP WITH LOCAL TIME ZONE (or proper PostgresSQL type). WL#1266 "CONVERT_TZ() - basic time with time zone conversion function". Fixed problems described in Bug #2336 (Different number of warnings when inserting bad datetime as string or as number). This required reworking of datetime realted warning hadling (they now generated at Field object level not in conversion functions). Optimization: Now Field class descendants use table->in_use member instead of current_thd macro.
189 lines
6.2 KiB
Text
189 lines
6.2 KiB
Text
# This script tests our own time zone support functions
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# Preparing playground
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#
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# Let us first check +HH:MM style timezones
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#
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create table t1 (ts timestamp);
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set time_zone='+00:00';
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select unix_timestamp(utc_timestamp())-unix_timestamp(current_timestamp());
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insert into t1 (ts) values ('2003-03-30 02:30:00');
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set time_zone='+10:30';
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select unix_timestamp(utc_timestamp())-unix_timestamp(current_timestamp());
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insert into t1 (ts) values ('2003-03-30 02:30:00');
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set time_zone='-10:00';
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select unix_timestamp(utc_timestamp())-unix_timestamp(current_timestamp());
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insert into t1 (ts) values ('2003-03-30 02:30:00');
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# Here we will get different results
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select * from t1;
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drop table t1;
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#
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# Let us try DB specified time zones
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#
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select Name from mysql.time_zone_name where Name in
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('UTC','Universal','MET','Europe/Moscow','leap/Europe/Moscow');
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create table t1 (i int, ts timestamp);
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set time_zone='MET';
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# We check common date time value and non existent or ambiguios values
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# Normal value without DST
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insert into t1 (i, ts) values
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(unix_timestamp('2003-03-01 00:00:00'),'2003-03-01 00:00:00');
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# Values around and in spring time-gap
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insert into t1 (i, ts) values
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(unix_timestamp('2003-03-30 01:59:59'),'2003-03-30 01:59:59'),
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(unix_timestamp('2003-03-30 02:30:00'),'2003-03-30 02:30:00'),
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(unix_timestamp('2003-03-30 03:00:00'),'2003-03-30 03:00:00');
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# Normal value with DST
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insert into t1 (i, ts) values
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(unix_timestamp('2003-05-01 00:00:00'),'2003-05-01 00:00:00');
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# Ambiguos values (also check for determenism)
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insert into t1 (i, ts) values
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(unix_timestamp('2003-10-26 01:00:00'),'2003-10-26 01:00:00'),
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(unix_timestamp('2003-10-26 02:00:00'),'2003-10-26 02:00:00'),
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(unix_timestamp('2003-10-26 02:59:59'),'2003-10-26 02:59:59'),
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(unix_timestamp('2003-10-26 04:00:00'),'2003-10-26 04:00:00'),
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(unix_timestamp('2003-10-26 02:59:59'),'2003-10-26 02:59:59');
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set time_zone='UTC';
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select * from t1;
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delete from t1;
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# Simple check for 'Europe/Moscow' time zone just for showing that it works
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set time_zone='Europe/Moscow';
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insert into t1 (i, ts) values
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(unix_timestamp('2004-01-01 00:00:00'),'2004-01-01 00:00:00'),
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(unix_timestamp('2004-03-28 02:30:00'),'2004-03-28 02:30:00'),
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(unix_timestamp('2004-08-01 00:00:00'),'2003-08-01 00:00:00'),
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(unix_timestamp('2004-10-31 02:30:00'),'2004-10-31 02:30:00');
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select * from t1;
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delete from t1;
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#
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# Check for time zone with leap seconds
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# Values in ts column must be the same but values in i column should
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# differ from corresponding values for Europe/Moscow a bit.
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#
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set time_zone='leap/Europe/Moscow';
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insert into t1 (i, ts) values
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(unix_timestamp('2004-01-01 00:00:00'),'2004-01-01 00:00:00'),
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(unix_timestamp('2004-03-28 02:30:00'),'2004-03-28 02:30:00'),
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(unix_timestamp('2004-08-01 00:00:00'),'2003-08-01 00:00:00'),
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(unix_timestamp('2004-10-31 02:30:00'),'2004-10-31 02:30:00');
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select * from t1;
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delete from t1;
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# Let us test leap jump
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insert into t1 (i, ts) values
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(unix_timestamp('1981-07-01 03:59:59'),'1981-07-01 03:59:59'),
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(unix_timestamp('1981-07-01 04:00:00'),'1981-07-01 04:00:00');
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select * from t1;
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# Additional 60ieth second!
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select from_unixtime(362793609);
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drop table t1;
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#
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# Let us test range for TIMESTAMP
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#
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create table t1 (ts timestamp);
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set time_zone='UTC';
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insert into t1 values ('0000-00-00 00:00:00'),('1969-12-31 23:59:59'),
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('1970-01-01 00:00:00'),('1970-01-01 00:00:01'),
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('2037-12-31 23:59:59'),('2038-01-01 00:00:00');
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select * from t1;
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delete from t1;
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# MET time zone has range shifted by one hour
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set time_zone='MET';
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insert into t1 values ('0000-00-00 00:00:00'),('1970-01-01 00:30:00'),
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('1970-01-01 01:00:00'),('1970-01-01 01:00:01'),
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('2038-01-01 00:59:59'),('2038-01-01 01:00:00');
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select * from t1;
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delete from t1;
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# same for +01:30 time zone
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set time_zone='+01:30';
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insert into t1 values ('0000-00-00 00:00:00'),('1970-01-01 01:00:00'),
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('1970-01-01 01:30:00'),('1970-01-01 01:30:01'),
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('2038-01-01 01:29:59'),('2038-01-01 01:30:00');
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select * from t1;
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drop table t1;
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#
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# Test of show variables
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#
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show variables like 'time_zone';
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set time_zone = default;
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show variables like 'time_zone';
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#
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# Let us try some invalid time zone specifications
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#
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--error 1298
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set time_zone= '0';
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--error 1298
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set time_zone= '0:0';
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--error 1298
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set time_zone= '-20:00';
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--error 1298
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set time_zone= '+20:00';
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--error 1298
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set time_zone= 'Some/Unknown/Time/Zone';
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# Let us check that aliases for time zones work and they are
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# case-insensitive
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select convert_tz(now(),'UTC', 'Universal') = now();
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select convert_tz(now(),'utc', 'UTC') = now();
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#
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# Let us test CONVERT_TZ function (may be func_time.test is better place).
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#
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select convert_tz('1917-11-07 12:00:00', 'MET', 'UTC');
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select convert_tz('1970-01-01 01:00:00', 'MET', 'UTC');
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select convert_tz('1970-01-01 01:00:01', 'MET', 'UTC');
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select convert_tz('2003-03-01 00:00:00', 'MET', 'UTC');
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select convert_tz('2003-03-30 01:59:59', 'MET', 'UTC');
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select convert_tz('2003-03-30 02:30:00', 'MET', 'UTC');
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select convert_tz('2003-03-30 03:00:00', 'MET', 'UTC');
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select convert_tz('2003-05-01 00:00:00', 'MET', 'UTC');
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select convert_tz('2003-10-26 01:00:00', 'MET', 'UTC');
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select convert_tz('2003-10-26 02:00:00', 'MET', 'UTC');
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select convert_tz('2003-10-26 02:59:59', 'MET', 'UTC');
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select convert_tz('2003-10-26 04:00:00', 'MET', 'UTC');
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select convert_tz('2038-01-01 00:59:59', 'MET', 'UTC');
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select convert_tz('2038-01-01 01:00:00', 'MET', 'UTC');
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select convert_tz('2103-01-01 04:00:00', 'MET', 'UTC');
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# Let us test variable time zone argument
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create table t1 (tz varchar(3));
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insert into t1 (tz) values ('MET'), ('UTC');
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select tz, convert_tz('2003-12-31 00:00:00',tz,'UTC'), convert_tz('2003-12-31 00:00:00','UTC',tz) from t1 order by tz;
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drop table t1;
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# Parameters to CONVERT_TZ() what should give NULL
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select convert_tz('2003-12-31 04:00:00', NULL, 'UTC');
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select convert_tz('2003-12-31 04:00:00', 'SomeNotExistingTimeZone', 'UTC');
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select convert_tz('2003-12-31 04:00:00', 'MET', 'SomeNotExistingTimeZone');
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select convert_tz('2003-12-31 04:00:00', 'MET', NULL);
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select convert_tz( NULL, 'MET', 'UTC');
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