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The code in vers_select_conds_t::init_from_sysvar() assumed that the value of the system_versioning_asof is DATETIME. But it also could be DATE after a query like this: SET system_versioning_asof = DATE(NOW()); Fixing Sys_var_vers_asof::update() to convert the value of the assignment source to DATETIME if it returned DATE. Now vers_select_conds_t::init_from_sysvar() always gets a DATETIME value.
199 lines
7.2 KiB
Plaintext
199 lines
7.2 KiB
Plaintext
create table t (a int) with system versioning;
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insert into t values (1);
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update t set a= 2;
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof DEFAULT
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof DEFAULT
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select * from t;
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a
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2
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set system_versioning_asof= '2031-1-1 0:0:0';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 2031-01-01 00:00:00.000000
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select * from t;
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a
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2
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set system_versioning_asof= '2011-1-1 0:0:0';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 2011-01-01 00:00:00.000000
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select * from t;
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a
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set global system_versioning_asof= 'alley';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'alley'
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set global system_versioning_asof= null;
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'NULL'
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set global system_versioning_asof= 1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set global system_versioning_asof= 1.1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set global system_versioning_asof= '2011-02-29 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-02-29 00:00'
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set global system_versioning_asof= '2011-02-28 24:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-02-28 24:00'
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set global system_versioning_asof= '2011-00-28 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-00-28 00:00'
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set global system_versioning_asof= '0000-00-00 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '0000-00-00 00:00'
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set system_versioning_asof= 'alley';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'alley'
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set system_versioning_asof= null;
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'NULL'
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set system_versioning_asof= 1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set system_versioning_asof= 1.1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set system_versioning_asof= '2011-02-29 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-02-29 00:00'
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set system_versioning_asof= '2011-02-28 24:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-02-28 24:00'
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set system_versioning_asof= '2011-00-28 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '2011-00-28 00:00'
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set system_versioning_asof= '0000-00-00 00:00';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of '0000-00-00 00:00'
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# GLOBAL @@system_versioning_asof
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set global system_versioning_asof= '1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set global system_versioning_asof= '1900-01-01 00:00:00';
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set global system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect DATETIME value: '1911-11-11 11:11:11.1111119'
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set @ts= timestamp'1900-01-01 00:00:00';
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set global system_versioning_asof= @ts;
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set global system_versioning_asof= default;
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select @@global.system_versioning_asof;
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@@global.system_versioning_asof
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DEFAULT
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# SESSION @@system_versioning_asof
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set system_versioning_asof= '1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set system_versioning_asof= '1900-01-01 00:00:00';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect DATETIME value: '1911-11-11 11:11:11.1111119'
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set @ts= timestamp'1900-01-01 00:00:00';
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set system_versioning_asof= @ts;
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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# DEFAULT: value is copied from GLOBAL to SESSION
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set global system_versioning_asof= timestamp'1911-11-11 11:11:11.111111';
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set system_versioning_asof= '1900-01-01 00:00:00';
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select @@global.system_versioning_asof != @@system_versioning_asof as different;
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different
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1
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set system_versioning_asof= default;
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select @@global.system_versioning_asof = @@system_versioning_asof as equal;
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equal
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1
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set global system_versioning_asof= DEFAULT;
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set system_versioning_asof= DEFAULT;
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select @@global.system_versioning_asof, @@system_versioning_asof;
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@@global.system_versioning_asof @@system_versioning_asof
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DEFAULT DEFAULT
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select * from t for system_time all;
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a
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2
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1
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select * from t;
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a
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2
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select * from t for system_time as of timestamp current_timestamp(6);
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a
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2
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select * from t for system_time all;
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a
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2
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1
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select * from t for system_time from '1970-01-01 00:00' to current_timestamp(6);
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a
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2
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1
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select * from t for system_time between '1970-01-01 00:00' and current_timestamp(6);
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a
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2
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1
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show status like "Feature_system_versioning";
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Variable_name Value
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Feature_system_versioning 2
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drop table t;
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#
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# MDEV-22906 Disallow system_versioning_asof in DML
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#
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create or replace table t1 (x int) with system versioning;
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create or replace table t2 (y int);
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insert into t1 values (1);
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insert into t2 values (1);
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set system_versioning_asof= '1970-01-01 00:00:00';
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delete t1, t2 from t1 join t2 where t1.x = t2.y;
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select * from t1 for system_time as of timestamp now(6);
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x
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insert into t1 values (1);
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insert into t2 values (1);
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update t1, t2 set x= 2, y= 2 where x = y;
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select * from t1 for system_time as of timestamp now(6);
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x
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2
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replace t2 select x + 1 from t1;
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select * from t2;
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y
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2
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3
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insert t2 select x + 2 from t1;
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select * from t2;
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y
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2
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3
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4
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drop tables t1, t2;
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#
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# MDEV-16991 Rounding vs truncation for TIME, DATETIME, TIMESTAMP
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#
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SET sql_mode=TIME_ROUND_FRACTIONAL;
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SET @@global.system_versioning_asof= timestamp'2001-12-31 23:59:59.9999999';
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Warnings:
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Note 1292 Truncated incorrect DATETIME value: '2001-12-31 23:59:59.9999999'
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SELECT @@global.system_versioning_asof;
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@@global.system_versioning_asof
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2002-01-01 00:00:00.000000
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SET @@global.system_versioning_asof= DEFAULT;
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#
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# MDEV-23562 Assertion `time_type == MYSQL_TIMESTAMP_DATETIME' failed upon SELECT from versioned table
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#
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CREATE TABLE t1 (a INT) WITH SYSTEM VERSIONING;
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SET system_versioning_asof= DATE(NOW());
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SELECT * FROM t1;
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a
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DROP TABLE t1;
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SET system_versioning_asof= DEFAULT;
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# End of 10.4 tests
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