forked from huawei/openGauss-server
238 lines
14 KiB
SQL
238 lines
14 KiB
SQL
SET DateStyle TO 'ISO, MDY';
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SELECT TO_TIMESTAMP('32-1-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('31-1-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('1-1-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('0-1-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('1-0-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('1-1-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('1-12-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('1-13-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('28-2-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('29-2-1','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('29-2-4','DD-MM-YYYY');
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SELECT TO_TIMESTAMP('0-1','DDD-YYYY');
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SELECT TO_TIMESTAMP('367-1','DDD-YYYY');
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SELECT TO_TIMESTAMP('366-1','DDD-YYYY');
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SELECT TO_TIMESTAMP('366-4','DDD-YYYY');
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SELECT TO_TIMESTAMP('0','HH12');
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SELECT TO_TIMESTAMP('1','HH12');
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SELECT TO_TIMESTAMP('12','HH12');
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SELECT TO_TIMESTAMP('13','HH12');
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SELECT TO_TIMESTAMP('0','HH24');
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SELECT TO_TIMESTAMP('23','HH24');
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SELECT TO_TIMESTAMP('24','HH24');
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SELECT TO_TIMESTAMP('24','H24');
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SELECT TO_TIMESTAMP('0','MI');
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SELECT TO_TIMESTAMP('59','MI');
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SELECT TO_TIMESTAMP('60','MI');
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SELECT TO_TIMESTAMP('0','SS');
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SELECT TO_TIMESTAMP('59','SS');
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SELECT TO_TIMESTAMP('60','SS');
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SELECT TO_TIMESTAMP('60','DDD-PS');
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SELECT TO_TIMESTAMP('366-4','YYYY-P');
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SELECT TO_TIMESTAMP('366-4','YYYY-DD-12');
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select to_timestamp('-4713','YYYY');
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select to_timestamp('-4712','YYYY');
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select to_timestamp('-1','YYYY');
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select to_timestamp('0','YYYY');
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select to_timestamp('1','YYYY');
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select to_timestamp('9999','YYYY');
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select to_timestamp('10000','YYYY');
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select to_timestamp('10','H24');
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select to_timestamp('10','H24');
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SELECT to_timestamp('-2012-2/3,21.15;36:18','YYYY-MM/DD,HH24.MI;SS:FF');
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SELECT to_timestamp('-1-2/3,21.15;36:18','YYYY-MM/DD,HH24.MI;SS:FF');
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SELECT to_timestamp('0-2/3,21.15;36:18','YYYY-MM/DD,HH24.MI;SS:FF');
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SELECT to_timestamp('9999-2/3,21.15;36:18','YYYY-MM/DD,HH24.MI;SS:FF');
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SELECT to_timestamp('10000-2/3,21.15;36:18','YYYY-MM/DD,HH24.MI;SS:FF');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'syyyy-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'syyyy-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'syyyy-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'syyyy-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'syyyy-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'SYYYY-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'SYYYY-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'SYYYY-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'SYYYY-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'SYYYY-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-1-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('1-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'RR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-1-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('1-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'RRRR-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-1-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('1-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'rr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4713-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-4712-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('-1-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('0-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('1-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('9999-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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select to_timestamp('10000-3-4 13:2:3.234015', 'rrrr-mm-dd hh24:mi:ss.ff');
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SELECT TO_TIMESTAMP('0000-09-01','YYYYY-MM-DD');
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SELECT TO_TIMESTAMP('0000-09-01','SYYYYY-MM-DD');
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SELECT TO_TIMESTAMP('0000-09-01','SYYYY-Y-MM-DD');
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SELECT TO_TIMESTAMP('25361','SSSSS');
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SELECT TO_TIMESTAMP('25361-2','SSSSS-HH12');
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SELECT TO_TIMESTAMP('25361-07','SSSSS-HH12');
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SELECT TO_TIMESTAMP('25361-2','SSSSS-MI');
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SELECT TO_TIMESTAMP('25361-10','SSSSS-MI');
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SELECT TO_TIMESTAMP('25361-2','SSSSS-SS');
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SELECT TO_TIMESTAMP('25361-41','SSSSS-SS');
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SELECT TO_TIMESTAMP('2650000','J');
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SELECT TO_TIMESTAMP('2650000-2542','J-YYYY');
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SELECT TO_TIMESTAMP('2650000-2543','J-YYYY');
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SELECT TO_TIMESTAMP('2650000-4','J-MM');
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SELECT TO_TIMESTAMP('2650000-5','J-MM');
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SELECT TO_TIMESTAMP('2650000-8','J-DD');
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SELECT TO_TIMESTAMP('2650000-9','J-DD');
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SELECT TO_TIMESTAMP('2012-245','YYYY-DDD');
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SELECT TO_TIMESTAMP('2012-245-8','YYYY-DDD-MM');
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SELECT TO_TIMESTAMP('2012-245-9','YYYY-DDD-MM');
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SELECT TO_TIMESTAMP('2012-245-1','YYYY-DDD-DD');
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SELECT TO_TIMESTAMP('2012-245-2','YYYY-DDD-DD');
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--MS
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SELECT TO_TIMESTAMP('-1','MS');
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SELECT TO_TIMESTAMP('0','MS');
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SELECT TO_TIMESTAMP('256','MS');
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SELECT TO_TIMESTAMP('999','MS');
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SELECT TO_TIMESTAMP('1000','MS');
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--WW
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SELECT TO_TIMESTAMP('0','WW');
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SELECT TO_TIMESTAMP('1','WW');
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SELECT TO_TIMESTAMP('10','WW');
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SELECT TO_TIMESTAMP('53','WW');
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SELECT TO_TIMESTAMP('54','WW');
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--D
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SELECT TO_TIMESTAMP('0','D');
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SELECT TO_TIMESTAMP('1','D');
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SELECT TO_TIMESTAMP('4','D');
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SELECT TO_TIMESTAMP('7','D');
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SELECT TO_TIMESTAMP('8','D');
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--WW & D YYYY
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SELECT TO_TIMESTAMP('2012-50-0','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-50-1','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-50-4','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-50-7','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-50-8','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-0-4','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-1-4','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-50-4','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-53-4','YYYY-WW-D');
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SELECT TO_TIMESTAMP('2012-54-4','YYYY-WW-D');
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--US
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SELECT TO_TIMESTAMP('-1','US');
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SELECT TO_TIMESTAMP('0','US');
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SELECT TO_TIMESTAMP('99999','US');
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SELECT TO_TIMESTAMP('999999','US');
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SELECT TO_TIMESTAMP('1000000','US');
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--W
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SELECT TO_TIMESTAMP('-1','W');
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SELECT TO_TIMESTAMP('0','W');
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SELECT TO_TIMESTAMP('1','W');
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SELECT TO_TIMESTAMP('5','W');
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SELECT TO_TIMESTAMP('6','W');
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SHOW nls_timestamp_format;
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SELECT TO_TIMESTAMP('01');
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SELECT TO_TIMESTAMP('01-Sep');
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SELECT TO_TIMESTAMP('01-Sep-1998');
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SELECT TO_TIMESTAMP('01-Sep-1998 11');
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SELECT TO_TIMESTAMP('01-Sep-1998 11:12');
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SELECT TO_TIMESTAMP('01-Sep-1998 11:12:13');
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SELECT TO_TIMESTAMP('01-Sep-1998 11:12:13.12');
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SELECT TO_TIMESTAMP('01-Sep-1998 11:12:13.12 PM');
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SELECT TO_TIMESTAMP('01-Sep-1998 11:12:13 PM');
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SET nls_timestamp_format = 'YYYY-MM-DD HH:MI:SS.FF AM';
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SHOW nls_timestamp_format;
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SELECT TO_TIMESTAMP('1998');
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SELECT TO_TIMESTAMP('1998-12-28');
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SELECT TO_TIMESTAMP('1998-12-28 01');
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SELECT TO_TIMESTAMP('1998-12-28 01:02');
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SELECT TO_TIMESTAMP('1998-12-28 01:02:03');
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SELECT TO_TIMESTAMP('1998-12-28 01:02:03.12');
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SELECT TO_TIMESTAMP('1998-12-28 01:02:03.12 AM');
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SELECT TO_TIMESTAMP('1998-12-28 11:12:13 PM');
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SELECT TO_TIMESTAMP('01');
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select to_date('2018--12;30', 'yyyy//mm/,,dd');
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select to_date('2018-12 30', 'yyyy//mm/dd');
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select to_date('20181231124559','yyyy-MM-dd hh24:mi:ss');
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SELECT (TO_DATE('1999(12*23 12 26','yyyy-MM-dd hh24:mi:ss'));
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SELECT (TO_DATE('1999(12*23 12 26','yyyy-MM-dd hh24:mi:ss'));
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SELECT (TO_DATE('1999(12*23 12
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26','yyyy-MM-dd hh24:mi:ss'));
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SELECT to_date('10', 'SSSSS');
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SELECT TO_TIMESTAMP('01', 'yyyy-MM-dd');
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SELECT TO_CHAR(TO_DATE('27OCT17', 'DDMONRR') ,'YYYY') "Year";
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SELECT TO_CHAR(TO_DATE('27-OCT98', 'DD-MON-RR') ,'YYYY') "Year";
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SELECT TO_CHAR(TO_DATE('27DEC98', 'DDMON-RR') ,'MON') "Month";
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SELECT TO_CHAR(TO_DATE('27/OCT/17', 'DD-MON-RR') ,'DD') "Year";
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SELECT to_date('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 11111');
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SELECT to_date('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 11111');
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/*----------------------------------------------
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DTS2017031602663: support timezone Asia/Beijing
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----------------------------------------------*/
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set timezone='Asia/Beijing';
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select extract(timezone from now());
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declare
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current_time_beijing timestamptz;
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current_time_other timestamptz;
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begin
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set timezone='Asia/Beijing';
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current_time_beijing = transaction_timestamp();
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set timezone='UTC';
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current_time_other = transaction_timestamp();
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raise notice '%', age(current_time_beijing, current_time_other);
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set timezone='Asia/Shanghai';
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current_time_other = transaction_timestamp();
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raise notice '%', age(current_time_beijing, current_time_other);
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set timezone='Asia/Chongqing';
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current_time_other = transaction_timestamp();
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raise notice '%', age(current_time_beijing, current_time_other);
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set timezone to default;
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end;
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/
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