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Diffstat (limited to 'sql/sql_time.h')
| -rw-r--r-- | sql/sql_time.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sql/sql_time.h b/sql/sql_time.h new file mode 100644 index 00000000000..443d22c5419 --- /dev/null +++ b/sql/sql_time.h @@ -0,0 +1,132 @@ +/* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#ifndef SQL_TIME_INCLUDED +#define SQL_TIME_INCLUDED + +#include "my_global.h" /* ulong */ +#include "my_time.h" +#include "mysql_time.h" /* timestamp_type */ +#include "sql_error.h" /* MYSQL_ERROR */ +#include "structs.h" /* INTERVAL */ + +typedef enum enum_mysql_timestamp_type timestamp_type; +typedef struct st_date_time_format DATE_TIME_FORMAT; +typedef struct st_known_date_time_format KNOWN_DATE_TIME_FORMAT; + +/* Flags for calc_week() function. */ +#define WEEK_MONDAY_FIRST 1 +#define WEEK_YEAR 2 +#define WEEK_FIRST_WEEKDAY 4 + +ulong convert_period_to_month(ulong period); +ulong convert_month_to_period(ulong month); +bool time_to_datetime(MYSQL_TIME *ltime); +void time_to_daytime_interval(MYSQL_TIME *l_time); +bool get_date_from_daynr(long daynr,uint *year, uint *month, uint *day); +my_time_t TIME_to_timestamp(THD *thd, const MYSQL_TIME *t, uint *error_code); +bool str_to_time_with_warn(CHARSET_INFO *cs, const char *str, uint length, + MYSQL_TIME *l_time, ulonglong fuzzydate); +timestamp_type str_to_datetime_with_warn(CHARSET_INFO *cs, const char *str, + uint length, MYSQL_TIME *l_time, + ulonglong flags); +bool double_to_datetime_with_warn(double value, MYSQL_TIME *ltime, + ulonglong fuzzydate, + const char *name); +bool decimal_to_datetime_with_warn(const my_decimal *value, MYSQL_TIME *ltime, + ulonglong fuzzydate, + const char *name); +bool int_to_datetime_with_warn(bool neg, ulonglong value, MYSQL_TIME *ltime, + ulonglong fuzzydate, + const char *name); + +void make_truncated_value_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, + const ErrConv *str_val, + timestamp_type time_type, + const char *field_name); + +static inline void make_truncated_value_warning(THD *thd, + MYSQL_ERROR::enum_warning_level level, const char *str_val, + uint str_length, timestamp_type time_type, + const char *field_name) +{ + const ErrConvString str(str_val, str_length, &my_charset_bin); + make_truncated_value_warning(thd, level, &str, time_type, field_name); +} + +extern DATE_TIME_FORMAT *date_time_format_make(timestamp_type format_type, + const char *format_str, + uint format_length); +extern DATE_TIME_FORMAT *date_time_format_copy(THD *thd, + DATE_TIME_FORMAT *format); +const char *get_date_time_format_str(KNOWN_DATE_TIME_FORMAT *format, + timestamp_type type); +/* MYSQL_TIME operations */ +bool date_add_interval(MYSQL_TIME *ltime, interval_type int_type, + INTERVAL interval); +bool calc_time_diff(MYSQL_TIME *l_time1, MYSQL_TIME *l_time2, int l_sign, + longlong *seconds_out, long *microseconds_out); +int my_time_compare(MYSQL_TIME *a, MYSQL_TIME *b); +void localtime_to_TIME(MYSQL_TIME *to, struct tm *from); +void calc_time_from_sec(MYSQL_TIME *to, long seconds, long microseconds); +uint calc_week(MYSQL_TIME *l_time, uint week_behaviour, uint *year); + +int calc_weekday(long daynr,bool sunday_first_day_of_week); +bool parse_date_time_format(timestamp_type format_type, + const char *format, uint format_length, + DATE_TIME_FORMAT *date_time_format); +/* Character set-aware version of str_to_time() */ +timestamp_type str_to_time(CHARSET_INFO *cs, const char *str,uint length, + MYSQL_TIME *l_time, ulonglong fuzzydate, int *warning); +/* Character set-aware version of str_to_datetime() */ +timestamp_type str_to_datetime(CHARSET_INFO *cs, + const char *str, uint length, + MYSQL_TIME *l_time, ulonglong flags, int *was_cut); + +/* convenience wrapper */ +inline bool parse_date_time_format(timestamp_type format_type, + DATE_TIME_FORMAT *date_time_format) +{ + return parse_date_time_format(format_type, + date_time_format->format.str, + date_time_format->format.length, + date_time_format); +} + + +extern DATE_TIME_FORMAT global_date_format; +extern DATE_TIME_FORMAT global_datetime_format; +extern DATE_TIME_FORMAT global_time_format; +extern KNOWN_DATE_TIME_FORMAT known_date_time_formats[]; +extern LEX_STRING interval_type_to_name[]; + + +static inline bool +non_zero_date(const MYSQL_TIME *ltime) +{ + return ltime->year || ltime->month || ltime->day; +} +static inline bool +check_date(const MYSQL_TIME *ltime, ulonglong flags, int *was_cut) +{ + return check_date(ltime, non_zero_date(ltime), flags, was_cut); +} +bool check_date_with_warn(const MYSQL_TIME *ltime, ulonglong fuzzy_date, + timestamp_type ts_type); +bool make_date_with_warn(MYSQL_TIME *ltime, + ulonglong fuzzy_date, timestamp_type ts_type); +bool adjust_time_range_with_warn(MYSQL_TIME *ltime, uint dec); + +#endif /* SQL_TIME_INCLUDED */ |