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The following Oracle formats are supported: Truncate to day: DD, DDD,J Truncate to month: MM,MON,MONTH,RM Truncate to Year: SYEAR,SYYYY,Y,YEAR,YY,YYY,YYYY TRUNC(date) is same as TRUNC(date, "MM")
48 lines
1.3 KiB
Text
48 lines
1.3 KiB
Text
--echo # Test for function trunc()
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--echo #
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--echo # Simple test
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--echo #
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select trunc("2025-07-27 12:01:02.123");
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select trunc("2025-07-27 12:01:02.123","YY");
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select trunc("2025-07-27 12:01:02.123","MM");
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select trunc("2025-07-27 12:01:02.123","DD");
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select trunc("hello");
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select trunc(1);
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--echo # Ensure that trunc table name and column can still be used
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create table trunc (trunc int);
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insert into trunc (trunc) values (1);
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select trunc from trunc;
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drop table trunc;
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--echo #
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--echo # Test all format variations
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--echo #
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CREATE TABLE t1(c2 datetime, c3 date, c4 timestamp);
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INSERT INTO t1 VALUES ('2021-11-12 00:23:12', '2021-11-12', '2021-11-12 00:23:12');
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INSERT INTO t1 VALUES ('0000-09-02 00:00:00', '0000-09-02', '1980-09-02 00:00:00');
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INSERT INTO t1 VALUES ('9999-09-02', '9999-09-02', '1980-09-02');
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create table t2 (format varchar(5)) engine=aria;
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insert into t2 values ("DD"),("DDD"),("J"),("MM"),("MON"),("MONTH"),("RM"),("SYEAR"),("SYYYY"),("Y"),("YEAR"),("YY"),("YYY"),("YYYY"), ("ZZZ");
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SELECT format,trunc(c2,format),trunc(c3,format),trunc(c4,format) from t2 straight_join t1;
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--echo #
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--echo # Test wrong usage
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--echo #
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select trunc('2021-11-12 00:23:12',"");
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select trunc("","DD");
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--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
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select trunc();
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select trunc(1);
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--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
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select trunc(1,2,3);
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drop table t1,t2;
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