diff options
author | unknown <monty@mysql.com> | 2003-12-17 17:35:34 +0200 |
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committer | unknown <monty@mysql.com> | 2003-12-17 17:35:34 +0200 |
commit | 0fb88806e44f48aba363bfda5ebedaaa3b05b975 (patch) | |
tree | 93924b5aab311e02a0f0931cf91e67cdfad04bdf /sql/time.cc | |
parent | 029e30b4aa357708bdbf924cfd78069fb19382bb (diff) | |
parent | 4bdfe0fb0107f2fb3e9cfb1c8a417e1028c67dcc (diff) | |
download | mariadb-git-0fb88806e44f48aba363bfda5ebedaaa3b05b975.tar.gz |
Merge with 4.0.17
BitKeeper/etc/logging_ok:
auto-union
Build-tools/Do-compile:
Auto merged
acinclude.m4:
Auto merged
configure.in:
Auto merged
dbug/dbug.c:
Auto merged
include/config-win.h:
Auto merged
include/my_base.h:
Auto merged
include/my_global.h:
Auto merged
include/my_pthread.h:
Auto merged
include/my_sys.h:
Auto merged
include/mysql.h:
Auto merged
include/mysql_com.h:
Auto merged
innobase/lock/lock0lock.c:
Auto merged
innobase/row/row0ins.c:
Auto merged
innobase/row/row0sel.c:
Auto merged
innobase/row/row0umod.c:
Auto merged
innobase/row/row0upd.c:
Auto merged
myisam/ft_boolean_search.c:
Auto merged
myisam/mi_check.c:
Auto merged
myisam/mi_dbug.c:
Auto merged
myisam/mi_open.c:
Auto merged
mysql-test/r/auto_increment.result:
Auto merged
mysql-test/r/bdb.result:
Auto merged
mysql-test/r/func_op.result:
Auto merged
Build-tools/Bootstrap:
Merge with 4.0
client/mysql.cc:
Merge with 4.0
client/mysqldump.c:
Merge with 4.0
client/mysqltest.c:
Use local version
innobase/btr/btr0cur.c:
Merge with 4.0 (Heikki should check if we should remove btr_cur_update_sec_rec_in_place()
libmysql/libmysql.c:
Merge with 4.0
libmysqld/lib_sql.cc:
Merge with 4.0
myisam/mi_key.c:
Merge with 4.0
myisam/mi_search.c:
Merge with 4.0
mysql-test/r/binary.result:
Merge with 4.0
mysql-test/r/func_group.result:
Merge with 4.0
mysql-test/r/func_str.result:
Merge with 4.0
mysql-test/r/func_time.result:
Merge with 4.0
mysql-test/r/group_by.result:
Merge with 4.0
mysql-test/r/handler.result:
Merge with 4.0
mysql-test/r/innodb.result:
Merge with 4.0
mysql-test/r/insert.result:
Merge with 4.0
mysql-test/r/join_outer.result:
Merge with 4.0
mysql-test/r/loaddata.result:
Merge with 4.0
mysql-test/r/lowercase_table.result:
Merge with 4.0
mysql-test/r/multi_update.result:
Merge with 4.0
mysql-test/r/mysqldump.result:
Merge with 4.0
mysql-test/r/query_cache.result:
Merge with 4.0
mysql-test/r/rpl_max_relay_size.result:
Merge with 4.0
mysql-test/r/rpl_rotate_logs.result:
Merge with 4.0
mysql-test/r/rpl_trunc_binlog.result:
Merge with 4.0
mysql-test/r/select_found.result:
Merge with 4.0
mysql-test/r/symlink.result:
Merge with 4.0
mysql-test/r/truncate.result:
Merge with 4.0
mysql-test/r/type_blob.result:
Merge with 4.0
mysql-test/r/type_datetime.result:
Merge with 4.0
mysql-test/r/type_decimal.result:
Merge with 4.0
mysql-test/r/type_enum.result:
Merge with 4.0
mysql-test/r/type_timestamp.result:
Merge with 4.0
mysql-test/r/union.result:
Merge with 4.0
mysql-test/t/auto_increment.test:
Merge with 4.0
mysql-test/t/bdb.test:
Merge with 4.0
mysql-test/t/func_group.test:
Merge with 4.0
mysql-test/t/func_op.test:
Merge with 4.0
mysql-test/t/func_str.test:
Merge with 4.0
mysql-test/t/func_time.test:
Merge with 4.0
mysql-test/t/group_by.test:
Merge with 4.0
mysql-test/t/handler.test:
Merge with 4.0
mysql-test/t/innodb.test:
Merge with 4.0
mysql-test/t/insert.test:
Merge with 4.0
mysql-test/t/join_outer.test:
Merge with 4.0
mysql-test/t/limit.test:
Merge with 4.0
mysql-test/t/loaddata.test:
Merge with 4.0
mysql-test/t/lowercase_table.test:
Merge with 4.0
mysql-test/t/multi_update.test:
Merge with 4.0
mysql-test/t/mysqldump.test:
Merge with 4.0
mysql-test/t/query_cache.test:
Merge with 4.0
mysql-test/t/rpl_log_pos.test:
Merge with 4.0
mysql-test/t/rpl_max_relay_size.test:
Merge with 4.0
mysql-test/t/rpl_rotate_logs.test:
Merge with 4.0
mysql-test/t/rpl_trunc_binlog.test:
Merge with 4.0
mysql-test/t/select_found.test:
Merge with 4.0
mysql-test/t/symlink.test:
Merge with 4.0
mysql-test/t/truncate.test:
Merge with 4.0
mysql-test/t/type_blob.test:
Merge with 4.0
mysql-test/t/type_datetime.test:
Merge with 4.0
mysql-test/t/type_decimal.test:
Merge with 4.0
mysql-test/t/type_enum.test:
Merge with 4.0
mysql-test/t/type_timestamp.test:
Merge with 4.0
mysql-test/t/union.test:
Merge with 4.0
mysys/charset.c:
Merge with 4.0
mysys/my_init.c:
Merge with 4.0
mysys/my_symlink.c:
Merge with 4.0
mysys/my_thr_init.c:
Merge with 4.0
regex/reginit.c:
Merge with 4.0
sql/field.cc:
Change fix_datetime() to print errors
sql/field.h:
Merge with 4.0
sql/ha_innodb.cc:
Merge with 4.0
sql/item.cc:
Merge with 4.0
sql/item.h:
Merge with 4.0
sql/item_cmpfunc.cc:
Merge with 4.0
sql/item_func.cc:
Merge with 4.0
sql/item_func.h:
Merge with 4.0
sql/item_strfunc.cc:
Merge with 4.0
sql/item_strfunc.h:
Merge with 4.0
sql/item_sum.cc:
Merge with 4.0
sql/item_sum.h:
Merge with 4.0
sql/item_timefunc.cc:
Merge with 4.0
sql/lex.h:
Merge with 4.0
sql/log.cc:
Merge with 4.0
sql/log_event.cc:
Merge with 4.0
sql/log_event.h:
Merge with 4.0
sql/mysql_priv.h:
Merge with 4.0
sql/mysqld.cc:
Merge with 4.0
sql/nt_servc.cc:
Merge with 4.0
sql/opt_range.cc:
Merge with 4.0
sql/records.cc:
Merge with 4.0
sql/repl_failsafe.cc:
Merge with 4.0
sql/slave.cc:
Merge with 4.0
sql/sql_acl.cc:
Merge with 4.0
sql/sql_analyse.cc:
Merge with 4.0
sql/sql_base.cc:
Merge with 4.0
sql/sql_cache.cc:
Merge with 4.0
sql/sql_class.h:
Merge with 4.0
sql/sql_db.cc:
Merge with 4.0
sql/sql_delete.cc:
Merge with 4.0
sql/sql_insert.cc:
Merge with 4.0
sql/sql_load.cc:
Merge with 4.0
sql/sql_parse.cc:
Merge with 4.0
sql/sql_rename.cc:
Merge with 4.0
sql/sql_select.cc:
Merge with 4.0
sql/sql_show.cc:
Merge with 4.0
sql/sql_table.cc:
Merge with 4.0
sql/sql_update.cc:
Merge with 4.0
sql/sql_yacc.yy:
Merge with 4.0
sql/table.cc:
Merge with 4.0
sql/table.h:
Merge with 4.0
sql/time.cc:
Merge with 4.0
sql/uniques.cc:
Merge with 4.0
strings/ctype-tis620.c:
Merge with 4.0
strings/strto.c:
Merge with 4.0
support-files/mysql.server.sh:
Merge with 4.0
support-files/mysql.spec.sh:
Merge with 4.0
Diffstat (limited to 'sql/time.cc')
-rw-r--r-- | sql/time.cc | 72 |
1 files changed, 52 insertions, 20 deletions
diff --git a/sql/time.cc b/sql/time.cc index fe22b80d59d..9a18a150c50 100644 --- a/sql/time.cc +++ b/sql/time.cc @@ -124,6 +124,8 @@ long my_gmt_sec(TIME *t, long *my_timezone) tmp-=t->minute*60 + t->second; // Move to previous hour } *my_timezone= current_timezone; + if (tmp < 0 && t->year <= 1900+YY_PART_YEAR) + tmp= 0; return (long) tmp; } /* my_gmt_sec */ @@ -174,42 +176,72 @@ uint calc_days_in_year(uint year) 366 : 365; } -/* Calculate week. If 'with_year' is not set, then return a week 0-53, where - 0 means that it's the last week of the previous year. - If 'with_year' is set then the week will always be in the range 1-53 and - the year out parameter will contain the year for the week */ -uint calc_week(TIME *l_time, bool with_year, bool sunday_first_day_of_week, - uint *year) +/* + The bits in week_format has the following meaning: + WEEK_MONDAY_FIRST (0) If not set Sunday is first day of week + If set Monday is first day of week + WEEK_YEAR (1) If not set Week is in range 0-53 + + Week 0 is returned for the the last week of the previous year (for + a date at start of january) In this case one can get 53 for the + first week of next year. This flag ensures that the week is + relevant for the given year. Note that this flag is only + releveant if WEEK_JANUARY is not set. + + If set Week is in range 1-53. + + In this case one may get week 53 for a date in January (when + the week is that last week of previous year) and week 1 for a + date in December. + + WEEK_FIRST_WEEKDAY (2) If not set Weeks are numbered according + to ISO 8601:1988 + If set The week that contains the first + 'first-day-of-week' is week 1. + + ISO 8601:1988 means that if the week containing January 1 has + four or more days in the new year, then it is week 1; + Otherwise it is the last week of the previous year, and the + next week is week 1. +*/ + +uint calc_week(TIME *l_time, uint week_behaviour, uint *year) { uint days; ulong daynr=calc_daynr(l_time->year,l_time->month,l_time->day); ulong first_daynr=calc_daynr(l_time->year,1,1); - uint weekday=calc_weekday(first_daynr,sunday_first_day_of_week); + bool monday_first= test(week_behaviour & WEEK_MONDAY_FIRST); + bool week_year= test(week_behaviour & WEEK_YEAR); + bool first_weekday= test(week_behaviour & WEEK_FIRST_WEEKDAY); + + uint weekday=calc_weekday(first_daynr, !monday_first); *year=l_time->year; - if (l_time->month == 1 && l_time->day <= 7-weekday && - ((!sunday_first_day_of_week && weekday >= 4) || - (sunday_first_day_of_week && weekday != 0))) + + if (l_time->month == 1 && l_time->day <= 7-weekday) { - /* Last week of the previous year */ - if (!with_year) + if (!week_year && + (first_weekday && weekday != 0 || + !first_weekday && weekday >= 4)) return 0; - with_year=0; // Don't check the week again + week_year= 1; (*year)--; first_daynr-= (days=calc_days_in_year(*year)); weekday= (weekday + 53*7- days) % 7; } - if ((sunday_first_day_of_week && weekday != 0) || - (!sunday_first_day_of_week && weekday >= 4)) + + if ((first_weekday && weekday != 0) || + (!first_weekday && weekday >= 4)) days= daynr - (first_daynr+ (7-weekday)); else days= daynr - (first_daynr - weekday); - if (with_year && days >= 52*7) + + if (week_year && days >= 52*7) { - /* Check if we are on the first week of the next year (or week 53) */ weekday= (weekday + calc_days_in_year(*year)) % 7; - if (weekday < 4) - { // We are at first week on next year + if (!first_weekday && weekday < 4 || + first_weekday && weekday == 0) + { (*year)++; return 1; } @@ -605,7 +637,7 @@ time_t str_to_timestamp(const char *str,uint length) if (str_to_TIME(str,length,&l_time,0) <= TIMESTAMP_DATETIME_ERROR) return(0); - if (l_time.year >= TIMESTAMP_MAX_YEAR || l_time.year < 1900+YY_PART_YEAR) + if (l_time.year >= TIMESTAMP_MAX_YEAR || l_time.year < 1900+YY_PART_YEAR-1) { current_thd->cuted_fields++; return(0); |