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BitKeeper/etc/ignore: auto-union BitKeeper/etc/logging_ok: auto-union VC++Files/sql/mysqld.dsp: Auto merged client/Makefile.am: Auto merged client/mysql.cc: Auto merged client/mysqltest.c: Auto merged configure.in: Auto merged include/my_global.h: Auto merged include/my_pthread.h: Auto merged include/my_sys.h: Auto merged include/mysql_com.h: Auto merged libmysqld/Makefile.am: Auto merged libmysqld/lib_sql.cc: Auto merged myisam/mi_check.c: Auto merged myisam/myisamchk.c: Auto merged myisam/myisamdef.h: Auto merged mysql-test/install_test_db.sh: Auto merged mysql-test/r/insert_select.result: Auto merged mysql-test/r/join_outer.result: Auto merged mysql-test/r/null.result: Auto merged mysql-test/r/connect.result: Auto merged mysql-test/r/func_sapdb.result: Auto merged mysql-test/r/mix_innodb_myisam_binlog.result: Auto merged mysql-test/r/mysqldump.result: Auto merged mysql-test/r/rpl_change_master.result: Auto merged mysql-test/r/rpl_log.result: Auto merged mysql-test/r/show_check.result: Auto merged mysql-test/r/symlink.result: Auto merged mysql-test/r/rpl_flush_log_loop.result: Auto merged mysql-test/r/rpl_flush_tables.result: Auto merged mysql-test/r/rpl_loaddata.result: Auto merged mysql-test/r/rpl_loaddata_rule_m.result: Auto merged mysql-test/r/rpl_loaddata_rule_s.result: Auto merged mysql-test/r/rpl_max_relay_size.result: Auto merged mysql-test/r/rpl_reset_slave.result: Auto merged mysql-test/r/rpl_temporary.result: Auto merged mysql-test/r/rpl_until.result: Auto merged mysql-test/r/rpl_user_variables.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/union.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/t/func_sapdb.test: Auto merged mysql-test/t/mix_innodb_myisam_binlog.test: Auto merged mysql-test/t/mysqlbinlog.test: Auto merged mysql-test/t/rpl_change_master.test: Auto merged mysql-test/t/rpl_log.test: Auto merged mysql-test/t/variables.test: Auto merged netware/BUILD/compile-linux-tools: Auto merged netware/BUILD/compile-netware-END: Auto merged netware/BUILD/compile-netware-all: Auto merged netware/BUILD/compile-netware-standard: Auto merged mysql-test/t/rpl_empty_master_crash.test: Auto merged mysql-test/t/rpl_error_ignored_table.test: Auto merged mysql-test/t/rpl_flush_log_loop.test: Auto merged mysql-test/t/rpl_loaddata.test: Auto merged mysql-test/t/rpl_loaddata_rule_m.test: Auto merged mysql-test/t/rpl_loaddata_rule_s.test: Auto merged mysql-test/t/rpl_max_relay_size.test: Auto merged mysql-test/t/rpl_openssl.test: Auto merged mysql-test/t/rpl_relayrotate-slave.opt: Auto merged mysql-test/t/rpl_reset_slave.test: Auto merged mysql-test/t/rpl_trunc_binlog.test: Auto merged mysql-test/t/rpl_until.test: Auto merged mysql-test/t/rpl_user_variables.test: Auto merged mysql-test/t/subselect.test: Auto merged scripts/make_binary_distribution.sh: Auto merged scripts/mysql_create_system_tables.sh: Auto merged scripts/mysql_fix_privilege_tables.sql: Auto merged scripts/mysql_install_db.sh: Auto merged sql/filesort.cc: Auto merged sql/ha_berkeley.cc: Auto merged sql/ha_berkeley.h: Auto merged sql/ha_innodb.h: Auto merged sql/ha_myisam.cc: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/item.cc: Auto merged sql/item.h: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_cmpfunc.h: Auto merged sql/item_create.cc: Auto merged sql/item_create.h: Auto merged sql/item_subselect.cc: Auto merged sql/item_sum.cc: Auto merged sql/item_sum.h: Auto merged sql/item_timefunc.h: Auto merged sql/lock.cc: Auto merged sql/log_event.h: Auto merged sql/mysqld.cc: Auto merged sql/net_serv.cc: Auto merged sql/protocol.cc: Auto merged sql/protocol.h: Auto merged sql/repl_failsafe.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_acl.h: Auto merged sql/sql_base.cc: Auto merged sql/sql_cache.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_db.cc: Auto merged sql/sql_delete.cc: Auto merged sql/sql_derived.cc: Auto merged sql/sql_lex.h: Auto merged sql/sql_list.h: Auto merged sql/sql_load.cc: Auto merged sql/sql_rename.cc: Auto merged sql/sql_repl.cc: Auto merged sql/sql_repl.h: Auto merged sql/sql_select.cc: Auto merged sql/sql_select.h: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_test.cc: Auto merged sql/sql_update.cc: Auto merged sql-common/client.c: Auto merged tests/client_test.c: Auto merged
217 lines
8.6 KiB
Plaintext
217 lines
8.6 KiB
Plaintext
drop table if exists t1, test;
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select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
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extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123")
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2101112000123
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select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
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extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123")
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101112000123
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select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
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extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123")
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1112000123
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select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
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extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123")
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12000123
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select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
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extract(MICROSECOND FROM "1999-01-02 10:11:12.000123")
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123
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select date_format("1997-12-31 23:59:59.000002", "%f");
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date_format("1997-12-31 23:59:59.000002", "%f")
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000002
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select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
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date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND)
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2025-05-23 04:40:39.000001
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select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
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date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND)
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1999-02-21 17:40:39.000001
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select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
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date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND)
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1998-01-07 22:41:39.000001
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select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
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date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND)
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1998-01-01 02:46:40.000001
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select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
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date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND)
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1998-01-01 00:00:00.000001
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select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
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date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND)
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1997-12-30 22:58:58.999999
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select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
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date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND)
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1997-12-31 22:58:58.999999
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select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
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date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND)
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1997-12-31 23:58:58.999999
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select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
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date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND)
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1997-12-31 23:59:58.999999
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select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
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date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND)
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1997-12-31 23:59:59.999999
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select adddate("1997-12-31 23:59:59.000001", 10);
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adddate("1997-12-31 23:59:59.000001", 10)
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1998-01-10 23:59:59.000001
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select subdate("1997-12-31 23:59:59.000001", 10);
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subdate("1997-12-31 23:59:59.000001", 10)
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1997-12-21 23:59:59.000001
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select datediff("1997-12-31 23:59:59.000001","1997-12-30");
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datediff("1997-12-31 23:59:59.000001","1997-12-30")
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1
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select datediff("1997-11-31 23:59:59.000001","1997-12-31");
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datediff("1997-11-31 23:59:59.000001","1997-12-31")
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-30
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select datediff("1997-11-31 23:59:59.000001",null);
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datediff("1997-11-31 23:59:59.000001",null)
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NULL
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select weekofyear("1997-11-31 23:59:59.000001");
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weekofyear("1997-11-31 23:59:59.000001")
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49
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select makedate(1997,1);
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makedate(1997,1)
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1997-01-01
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select makedate(1997,0);
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makedate(1997,0)
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NULL
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select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
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addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002")
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1998-01-02 01:01:01.000001
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select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
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subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002")
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1997-12-30 22:58:57.999999
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select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
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addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
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NULL
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select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
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subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
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NULL
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select subtime("01:00:00.999999", "02:00:00.999998");
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subtime("01:00:00.999999", "02:00:00.999998")
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-00:59:59.999999
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select subtime("02:01:01.999999", "01:01:01.999999");
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subtime("02:01:01.999999", "01:01:01.999999")
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01:00:00.000000
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select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
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timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002")
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8807:59:59.999999
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select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
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timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002")
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46:58:57.999999
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select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
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timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002")
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-23:59:59.999999
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select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
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timediff("1997-12-31 23:59:59.000001","23:59:59.000001")
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NULL
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select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001");
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timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001")
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-00:00:00.000001
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select maketime(10,11,12);
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maketime(10,11,12)
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10:11:12
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select maketime(25,11,12);
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maketime(25,11,12)
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25:11:12
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select maketime(-25,11,12);
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maketime(-25,11,12)
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-25:11:12
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select timestamp("2001-12-01", "01:01:01.999999");
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timestamp("2001-12-01", "01:01:01.999999")
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2001-12-01 01:01:01.999999
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select timestamp("2001-13-01", "01:01:01.000001");
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timestamp("2001-13-01", "01:01:01.000001")
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NULL
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select timestamp("2001-12-01", "25:01:01");
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timestamp("2001-12-01", "25:01:01")
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2001-12-02 01:01:01
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select timestamp("2001-12-01 01:01:01.000100");
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timestamp("2001-12-01 01:01:01.000100")
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2001-12-01 01:01:01.000100
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select timestamp("2001-12-01");
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timestamp("2001-12-01")
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2001-12-01 00:00:00
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select day("1997-12-31 23:59:59.000001");
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day("1997-12-31 23:59:59.000001")
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31
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select date("1997-12-31 23:59:59.000001");
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date("1997-12-31 23:59:59.000001")
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1997-12-31
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select date("1997-13-31 23:59:59.000001");
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date("1997-13-31 23:59:59.000001")
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NULL
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select time("1997-12-31 23:59:59.000001");
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time("1997-12-31 23:59:59.000001")
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23:59:59.000001
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select time("1997-12-31 25:59:59.000001");
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time("1997-12-31 25:59:59.000001")
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NULL
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select microsecond("1997-12-31 23:59:59.000001");
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microsecond("1997-12-31 23:59:59.000001")
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1
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create table t1
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select makedate(1997,1) as f1,
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addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
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addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
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timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
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timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
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maketime(10,11,12) as f6,
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timestamp(cast("2001-12-01" as date), "01:01:01") as f7,
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date("1997-12-31 23:59:59.000001") as f8,
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time("1997-12-31 23:59:59.000001") as f9;
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describe t1;
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Field Type Null Key Default Extra
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f1 date 0000-00-00
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f2 datetime YES NULL
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f3 time YES NULL
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f4 time 00:00:00
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f5 time 00:00:00
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f6 time 00:00:00
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f7 datetime YES NULL
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f8 date YES NULL
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f9 time YES NULL
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select * from t1;
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f1 f2 f3 f4 f5 f6 f7 f8 f9
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1997-01-01 1998-01-02 01:01:00 49:01:01 46:58:57 -23:59:59 10:11:12 2001-12-01 01:01:01 1997-12-31 23:59:59
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create table test(t1 datetime, t2 time, t3 time, t4 datetime);
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insert into test values
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('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
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('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
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('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
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('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
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('2001-01-01 01:01:01', null, '-1 01:01:01', null),
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(null, null, null, null),
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('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
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SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
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ttt qqq
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2001-01-01 02:02:02 NULL
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2001-01-01 00:00:00 -25:01:00
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1997-12-31 00:00:00 -25:01:00
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2001-01-01 02:02:02 -24:00:00
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NULL NULL
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NULL NULL
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2001-01-01 02:02:02 26:02:02
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SELECT TIMEDIFF(t1, t4) As ttt, TIMEDIFF(t2, t3) As qqq,
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TIMEDIFF(t3, t2) As eee, TIMEDIFF(t2, t4) As rrr from test;
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ttt qqq eee rrr
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-744:00:00 NULL NULL NULL
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26305:01:02 22:58:58 -22:58:58 NULL
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-26305:01:02 -22:58:58 22:58:58 NULL
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NULL 26:02:02 26:02:02 NULL
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NULL NULL NULL NULL
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NULL NULL NULL NULL
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00:00:00 -24:00:00 24:00:00 NULL
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drop table t1, test;
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select addtime("-01:01:01.01", "-23:59:59.1") as a;
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a
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-25:01:00.110000
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select microsecond("1997-12-31 23:59:59.01") as a;
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a
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10000
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select microsecond(19971231235959.01) as a;
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a
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10000
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select date_add("1997-12-31",INTERVAL "10.09" SECOND_MICROSECOND) as a;
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a
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1997-12-31 00:00:10.090000
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select str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f");
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str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f")
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2003-01-02 10:11:12.001200
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