#include "config.h"
#include <assert.h>
#include "tz_support.h"
#include "db_date.h"
#include "environment_variable.h"
#include "chartype.h"
#include "error_manager.h"
#include <dlfcn.h>
#include <unistd.h>
#include "system_parameter.h"
#include "show_scan.h"
#include "authenticate.h"
#include "db.h"
#include "boot_sr.h"
#include "dbtype.h"

Include dependency graph for tz_support.c:

Classes
struct	tz_decode_info

Macros
#define	strlen(s1) ((int) strlen(s1))

#define	FULL_DATE(jul_date, time_sec)

#define	TIME_OFFSET(is_utc, offset) ((is_utc) ? (-offset) : (offset))

#define	ABS(i) ((i) >= 0 ? (i) : -(i))

#define	TZ_INVALID_OFFSET ((((23 * 60) + 59) * 60) + 59)

#define	TZ_MIN_OFFSET -12 * 3600

#define	TZ_MAX_OFFSET 14 * 3600

#define	MILLIS_IN_A_DAY (long)(86400000) /* 24L * 60L * 60L * 1000 */

#define	TZ_MASK_TZ_ID_FLAG 0xc0000000

#define	TZ_BIT_SHIFT_TZ_ID_FLAG 30

#define	TZ_OFFSET_MASK 0x3fffffff

#define	SECONDS_IN_A_DAY 24 * 3600

#define	TZ_GET_SYM_ADDR(lib, sym) dlsym(lib, sym)

#define	TZLIB_GET_ADDR(v, SYM_NAME, SYM_TYPE, lh)

#define	TZLIB_GET_VAL(v, SYM_NAME, SYM_TYPE, lh)

#define	APPLY_NEXT_OFF_RULE()

#define	LEN_MIN_HOUR 6

#define	LEN_MIN_HOUR_SEC 9

Typedefs
typedef struct tz_decode_info	TZ_DECODE_INFO

typedef enum ds_search_direction	DS_SEARCH_DIRECTION

Enumerations
enum	ds_search_direction { FORWARD = 0, BACKWARD = 1 }

Functions
static int	tz_load_library (const char lib_file, void *handle)

static int	tz_load_data_from_lib (TZ_DATA tzd, void lib_handle)

static bool	tz_get_leapsec_support (void)

static const TZ_REGION *	tz_get_invalid_tz_region (void)

static DB_DATE	tz_get_current_date (void)

static int	tz_str_timezone_decode (const char tz_str, const int tz_str_size, TZ_DECODE_INFO tz_info, const char **tz_end)

static int	tz_zone_info_to_str (const TZ_DECODE_INFO tz_info, char tz_str, const int tz_str_size)

static void	tz_encode_tz_id (const TZ_DECODE_INFO tz_info, TZ_ID tz_id)

static void	tz_encode_tz_region (const TZ_DECODE_INFO tz_info, TZ_REGION tz_region)

static void	tz_decode_tz_id (const TZ_ID tz_id, const bool is_full_decode, TZ_DECODE_INFO tz_info)

static void	tz_decode_tz_region (const TZ_REGION tz_region, TZ_DECODE_INFO tz_info)

static int	tz_fast_find_ds_rule (const TZ_DATA tzd, const TZ_DS_RULESET ds_ruleset, const int src_julian_date, const int src_year, const int src_month, int *ds_rule_id)

static bool	tz_check_ds_match_string (const TZ_OFFSET_RULE off_rule, const TZ_DS_RULE ds_rule, const char ds_string, const char default_abrev)

static int	tz_datetime_utc_conv (const DB_DATETIME src_dt, TZ_DECODE_INFO tz_info, bool src_is_utc, bool only_tz_adjust, DB_DATETIME *dest_dt)

static int	tz_conv_tz_datetime_w_zone_info (const DB_DATETIME src_dt, const TZ_DECODE_INFO src_zone_info_in, const TZ_DECODE_INFO dest_zone_info_in, DB_DATETIME dest_dt, TZ_DECODE_INFO src_zone_info_out, TZ_DECODE_INFO dest_zone_info_out)

static int	tz_print_tz_offset (char *result, int tz_offset)

static int	starts_with (const char prefix, const char str)

static int	tz_get_zone_id_by_name (const char *name, const int name_size)

static void	tz_timestamp_decode_leap_sec_adj (int timestamp, int yearp, int monthsp, int dayp, int hoursp, int minutesp, int secondsp)

static int	tz_offset (const bool src_is_utc, const TZ_TIME_TYPE until_time_type, const int gmt_offset_sec, const int ds_save_time)

static int	get_date_diff_from_ds_rule (const int src_julian_date, const int src_time_sec, const TZ_DS_RULE ds_rule, const DS_SEARCH_DIRECTION direction, full_date_t date_diff)

static int	get_closest_ds_rule (const int src_julian_date, const int src_time_sec, const TZ_DS_RULESET ds_ruleset, const TZ_DATA tzd, const DS_SEARCH_DIRECTION direction)

static int	get_saving_time_from_offset_rule (const TZ_OFFSET_RULE offset_rule, const TZ_DATA tzd, int *save_time)

static bool	is_in_overlap_interval (const TZ_TIME_TYPE time_type, const full_date_t offset_rule_diff, const full_date_t gmt_diff, const int save_time_diff)

static int	get_year_to_apply_rule (const int src_year, const TZ_DS_RULE *ds_rule)

static int	set_new_zone_id (TZ_DECODE_INFO *tz_info)

int	tz_load (void)

void	tz_unload (void)

DB_BIGINT	tz_timestamp_encode_leap_sec_adj (const int year_century, const int year, const int mon, const int day)

void	tz_timestamp_decode_sec (int timestamp, int yearp, int monthsp, int dayp, int hoursp, int minutesp, int secondsp)

void	tz_timestamp_decode_no_leap_sec (int timestamp, int yearp, int monthsp, int dayp, int hoursp, int minutesp, int secondsp)

const TZ_DATA *	tz_get_data (void)

void	tz_set_data (const TZ_DATA *data)

const TZ_DATA *	tz_get_new_timezone_data (void)

void	tz_set_new_timezone_data (const TZ_DATA *data)

const char *	tz_get_session_local_timezone (void)

const char *	tz_get_system_timezone (void)

void	tz_get_system_tz_region (TZ_REGION *tz_region)

void	tz_get_session_tz_region (TZ_REGION *tz_region)

void	tz_id_to_region (const TZ_ID tz_id, TZ_REGION tz_region)

const TZ_ID *	tz_get_utc_tz_id (void)

const TZ_REGION *	tz_get_utc_tz_region (void)

int	tz_get_timezone_offset (const char tz_str, int tz_size, char result, DB_DATETIME *utc_datetime)

int	tz_create_session_tzid_for_datetime (const DB_DATETIME src_dt, bool src_is_utc, TZ_ID tz_id)

int	tz_create_session_tzid_for_timestamp (const DB_UTIME src_ts, TZ_ID tz_id)

int	tz_create_session_tzid_for_time (const DB_TIME src_time, bool src_is_utc, TZ_ID tz_id)

int	tz_str_to_region (const char tz_str, const int tz_str_size, TZ_REGION tz_region)

int	tz_create_datetimetz (const DB_DATETIME dt, const char tz_str, const int tz_size, const TZ_REGION default_tz_region, DB_DATETIMETZ dt_tz, const char **end_tz_str)

int	tz_create_timestamptz (const DB_DATE date, const DB_TIME time, const char tz_str, const int tz_size, const TZ_REGION default_tz_region, DB_TIMESTAMPTZ ts_tz, const char *end_tz_str)

int	tz_create_datetimetz_from_ses (const DB_DATETIME dt, DB_DATETIMETZ dt_tz)

int	tz_conv_tz_time_w_zone_name (const DB_TIME time_source, const char source_zone, int len_source, const char dest_zone, int len_dest, DB_TIME time_dest)

int	tz_utc_datetimetz_to_local (const DB_DATETIME dt_utc, const TZ_ID tz_id, DB_DATETIME *dt_local)

int	tz_datetimeltz_to_local (const DB_DATETIME dt_ltz, DB_DATETIME dt_local)

int	tz_id_to_str (const TZ_ID tz_id, char tz_str, const int tz_str_size)

int	tz_datetimetz_fix_zone (const DB_DATETIMETZ src_dt_tz, DB_DATETIMETZ dest_dt_tz)

int	tz_timestamptz_fix_zone (const DB_TIMESTAMPTZ src_ts_tz, DB_TIMESTAMPTZ dest_ts_tz)

int	tz_get_first_weekday_around_date (const int year, const int month, const int weekday, const int ref_day, const bool before)

int	tz_str_read_number (const char str, const char str_end, const bool strict, const bool read_sign, int val, const char *str_next)

int	tz_str_read_time (const char str, const char str_end, bool need_minutes, bool allow_sec60, int hour, int min, int sec, const char *str_next)

int	tz_str_to_seconds (const char str, const char str_end, int seconds, const char *str_next, const bool is_offset)

int	tz_get_ds_change_julian_date_diff (const int src_julian_date, const TZ_DS_RULE ds_rule, const int year, int ds_rule_julian_date, full_date_t *date_diff)

int	tz_conv_tz_datetime_w_region (const DB_DATETIME src_dt, const TZ_REGION src_tz_region, const TZ_REGION dest_tz_region, DB_DATETIME dest_dt, TZ_ID src_tz_id_out, TZ_ID dest_tz_id_out)

int	tz_conv_tz_datetime_w_zone_name (const DB_DATETIME src_dt, const char source_zone, int len_source, const char dest_zone, int len_dest, DB_DATETIME dest_dt)

int	tz_explain_tz_id (const TZ_ID tz_id, char tzr, const int tzr_size, char tzdst, const int tzdst_size, int tzh, int *tzm)

int	tz_create_datetimetz_from_offset (const DB_DATETIME dt, const int tzh, const int tzm, DB_DATETIMETZ dt_tz)

int	tz_create_timestamptz_from_offset (const DB_DATE date, const DB_TIME time, const int tzh, const int tzm, DB_TIMESTAMPTZ *timestamp_tz)

int	tz_get_best_match_zone (const char name, int size)

int	tz_create_datetimetz_from_zoneid_and_tzd (const DB_DATETIME dt, TZ_REGION default_tz_region, const int zone_id, const char tzd, const int tzd_len, bool is_time_tz, DB_DATETIMETZ dt_tz)

int	tz_create_timestamptz_from_zoneid_and_tzd (const DB_DATE date, const DB_TIME time, TZ_REGION default_tz_region, const int zone_id, const char tzd, const int tzd_len, DB_TIMESTAMPTZ *timestamp_tz)

int	tz_resolve_os_timezone (char *timezone, int buf_len)

void	tz_set_tz_region_system (const TZ_REGION *tz_region)

TZ_REGION *	tz_get_client_tz_region_session (void)

int	tz_timezones_start_scan (THREAD_ENTRY thread_p, int show_type, DB_VALUE arg_values, int arg_cnt, void *ptr)

int	tz_full_timezones_start_scan (THREAD_ENTRY thread_p, int show_type, DB_VALUE arg_values, int arg_cnt, void *ptr)

int	tz_load_with_library_path (TZ_DATA tzd, const char timezone_library_path)

int	tz_check_geographic_tz (const TZ_ID *tz_id)

int	tz_check_session_has_geographic_tz (void)

int	put_timezone_checksum (char *checksum)

int	check_timezone_compat (const char client_checksum, const char server_checksum, const char client_text, const char server_text)

void	tz_tzid_convert_region_to_offset (TZ_ID *tz_id)

int	tz_create_datetimetz_from_utc (const DB_DATETIME src_dt, const TZ_REGION dest_region, DB_DATETIMETZ *dest_dt_tz)

int	tz_create_datetimetz_from_parts (const int m, const int d, const int y, const int h, const int mi, const int s, const int ms, const TZ_ID tz_id, DB_DATETIMETZ dt_tz)

int	conv_tz (void p_out, const void p_in, DB_TYPE type)

int	tz_get_offset_in_mins ()

Variables
static int	tz_Initialized = 0

static TZ_REGION	tz_Region_system

static TZ_REGION	tz_Region_session

static void *	tz_Lib_handle = NULL

static TZ_DATA	tz_Timezone_data = { 0, NULL, 0, NULL, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL, {'0'} }

static TZ_DATA	tz_New_timezone_data = { 0, NULL, 0, NULL, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL, {'0'} }

static const int	tz_Days_of_month [] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }

static const int	tz_Days_up_to_month [] = { 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }

Macro Definition Documentation

#define ABS ( i ) ((i) >= 0 ? (i) : -(i))

Definition at line 90 of file tz_support.c.

Referenced by is_in_overlap_interval(), and tz_datetime_utc_conv().

#define APPLY_NEXT_OFF_RULE ( )

Value:

do {                                \
    prev_off_rule = curr_off_rule;              \
    curr_off_rule = next_off_rule;              \
    next_off_rule = offset_rules[offset_rule_counter++];    \
    curr_offset_id++;                       \
  } while (0)

Definition at line 204 of file tz_support.c.

Referenced by tz_datetime_utc_conv().

#define FULL_DATE	(	jul_date,
		time_sec
	)

Value:

((full_date_t) jul_date * 86400ll \

+ (full_date_t) time_sec)

full_date_t

DB_BIGINT full_date_t

Definition: tz_support.h:125

Definition at line 86 of file tz_support.c.

Referenced by get_date_diff_from_ds_rule(), tz_datetime_utc_conv(), tz_fast_find_ds_rule(), and tz_get_ds_change_julian_date_diff().

#define LEN_MIN_HOUR 6

Referenced by tz_explain_tz_id().

#define LEN_MIN_HOUR_SEC 9

Referenced by tz_explain_tz_id().

#define MILLIS_IN_A_DAY (long)(86400000) /* 24L * 60L * 60L * 1000 */

Definition at line 95 of file tz_support.c.

Referenced by tz_datetime_utc_conv().

#define SECONDS_IN_A_DAY 24 * 3600

Definition at line 99 of file tz_support.c.

Referenced by tz_datetime_utc_conv().

#define strlen ( s1 ) ((int) strlen(s1))

Definition at line 53 of file tz_support.c.

Referenced by set_new_zone_id(), tz_explain_tz_id(), tz_get_best_match_zone(), tz_get_zone_id_by_name(), tz_resolve_os_timezone(), and tz_zone_info_to_str().

#define TIME_OFFSET	(	is_utc,
		offset
	)	((is_utc) ? (-offset) : (offset))

Definition at line 88 of file tz_support.c.

Referenced by tz_datetime_utc_conv().

#define TZ_BIT_SHIFT_TZ_ID_FLAG 30

Definition at line 97 of file tz_support.c.

Referenced by tz_decode_tz_id(), and tz_tzid_convert_region_to_offset().

#define TZ_GET_SYM_ADDR	(	lib,
		sym
	)	dlsym(lib, sym)

Definition at line 183 of file tz_support.c.

#define TZ_INVALID_OFFSET ((((23 * 60) + 59) * 60) + 59)

Definition at line 92 of file tz_support.c.

Referenced by tz_datetime_utc_conv(), tz_explain_tz_id(), tz_get_invalid_tz_region(), tz_utc_datetimetz_to_local(), and tz_zone_info_to_str().

#define TZ_MASK_TZ_ID_FLAG 0xc0000000

Definition at line 96 of file tz_support.c.

Referenced by tz_decode_tz_id(), and tz_tzid_convert_region_to_offset().

#define TZ_MAX_OFFSET 14 * 3600

Definition at line 94 of file tz_support.c.

Referenced by tz_create_datetimetz_from_offset(), tz_create_timestamptz_from_offset(), tz_explain_tz_id(), tz_str_to_seconds(), and tz_zone_info_to_str().

#define TZ_MIN_OFFSET -12 * 3600

Definition at line 93 of file tz_support.c.

Referenced by tz_create_datetimetz_from_offset(), tz_create_timestamptz_from_offset(), tz_str_to_seconds(), and tz_zone_info_to_str().

#define TZ_OFFSET_MASK 0x3fffffff

Definition at line 98 of file tz_support.c.

Referenced by tz_decode_tz_id(), and tz_encode_tz_id().

#define TZLIB_GET_ADDR	(	v,
		SYM_NAME,
		SYM_TYPE,
		lh
	)

Value:

do {                                        \
    v = (SYM_TYPE) TZ_GET_SYM_ADDR (lh, SYM_NAME);              \
    if (v == NULL)                              \
      {                                     \
        strncpy (sym_name, (SYM_NAME), sizeof (sym_name) - 1);          \
        sym_name[sizeof (sym_name) - 1] = '\0';                 \
        goto error_loading_symbol;                      \
      }                                     \
  } while (0)

Definition at line 186 of file tz_support.c.

Referenced by tz_load_data_from_lib().

#define TZLIB_GET_VAL	(	v,
		SYM_NAME,
		SYM_TYPE,
		lh
	)

Value:

do {                                \
    SYM_TYPE* aux;                      \
    TZLIB_GET_ADDR(aux, SYM_NAME, SYM_TYPE*, lh);       \
    v = *aux;                           \
  } while (0)

Definition at line 197 of file tz_support.c.

Referenced by tz_load_data_from_lib().

Typedef Documentation

typedef enum ds_search_direction DS_SEARCH_DIRECTION

Definition at line 83 of file tz_support.c.

typedef struct tz_decode_info TZ_DECODE_INFO

Definition at line 56 of file tz_support.c.

Enumeration Type Documentation

enum ds_search_direction

Enumerator
FORWARD
BACKWARD

Definition at line 78 of file tz_support.c.

Function Documentation

int check_timezone_compat	(	const char *	client_checksum,
		const char *	server_checksum,
		const char *	client_text,
		const char *	server_text
	)

Definition at line 5043 of file tz_support.c.

References ARG_FILE_LINE, assert, ER_ERROR_SEVERITY, er_set(), ER_TZ_INCOMPATIBLE_TIMEZONE_LIBRARIES, NO_ERROR, and NULL.

Referenced by boot_restart_server(), and boot_set_server_session_key().

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int conv_tz	(	void *	p_out,
		const void *	p_in,
		DB_TYPE	type
	)

Definition at line 5209 of file tz_support.c.

References ARG_FILE_LINE, assert, db_datetime::date, db_datetimetz::datetime, db_timestamp_decode_w_tz_id(), db_timestamp_encode_utc(), DB_TYPE_DATETIMELTZ, DB_TYPE_DATETIMETZ, DB_TYPE_TIMESTAMPLTZ, DB_TYPE_TIMESTAMPTZ, ER_ERROR_SEVERITY, er_set(), NO_ERROR, set_new_zone_id(), db_datetime::time, db_timestamptz::timestamp, tz_decode_info::type, tz_create_session_tzid_for_datetime(), tz_create_session_tzid_for_timestamp(), tz_datetime_utc_conv(), tz_decode_tz_id(), tz_encode_tz_id(), db_timestamptz::tz_id, db_datetimetz::tz_id, TZ_REGION_OFFSET, tz_set_data(), tz_Timezone_data, tz_utc_datetimetz_to_local(), and tz_decode_info::zone.

Referenced by db_conv_tz().

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static int get_closest_ds_rule	(	const int	src_julian_date,
		const int	src_time_sec,
		const TZ_DS_RULESET *	ds_ruleset,
		const TZ_DATA *	tzd,
		const DS_SEARCH_DIRECTION	direction
	)

static

Definition at line 2648 of file tz_support.c.

References tz_ds_ruleset::count, tz_data::ds_rules, FORWARD, get_date_diff_from_ds_rule(), tz_ds_ruleset::index_start, NO_ERROR, and tz_ds_rule::save_time.

Referenced by tz_datetime_utc_conv().

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static int get_date_diff_from_ds_rule	(	const int	src_julian_date,
		const int	src_time_sec,
		const TZ_DS_RULE *	ds_rule,
		const DS_SEARCH_DIRECTION	direction,
		full_date_t *	date_diff
	)

static

Definition at line 2601 of file tz_support.c.

References tz_ds_rule::at_time, FORWARD, tz_ds_rule::from_year, FULL_DATE, NO_ERROR, NULL, tz_ds_rule::to_year, and tz_get_ds_change_julian_date_diff().

Referenced by get_closest_ds_rule().

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static int get_saving_time_from_offset_rule	(	const TZ_OFFSET_RULE *	offset_rule,
		const TZ_DATA *	tzd,
		int *	save_time
	)

static

Definition at line 2692 of file tz_support.c.

References assert, tz_data::ds_rule_count, tz_data::ds_rules, tz_offset_rule::ds_ruleset, tz_data::ds_rulesets, tz_offset_rule::ds_type, DS_TYPE_RULESET_ID, tz_ds_ruleset::index_start, tz_offset_rule::julian_date, julian_decode(), NO_ERROR, NULL, tz_ds_rule::save_time, and tz_fast_find_ds_rule().

Referenced by tz_datetime_utc_conv().

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static int get_year_to_apply_rule	(	const int	src_year,
		const TZ_DS_RULE *	ds_rule
	)

static

Definition at line 2777 of file tz_support.c.

References tz_ds_rule::from_year.

Referenced by tz_datetime_utc_conv(), and tz_fast_find_ds_rule().

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static bool is_in_overlap_interval	(	const TZ_TIME_TYPE	time_type,
		const full_date_t	offset_rule_diff,
		const full_date_t	gmt_diff,
		const int	save_time_diff
	)

static

Definition at line 2744 of file tz_support.c.

References ABS, TZ_TIME_TYPE_LOCAL_STD, and TZ_TIME_TYPE_UTC.

Referenced by tz_datetime_utc_conv().

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int put_timezone_checksum ( char * checksum )

Definition at line 5017 of file tz_support.c.

References AU_DISABLE, AU_ENABLE, Au_root, db_make_string(), db_put_internal(), and NO_ERROR.

Referenced by createdb(), and gen_tz().

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static int set_new_zone_id ( TZ_DECODE_INFO * tz_info )

static

Definition at line 5177 of file tz_support.c.

References ER_TZ_INVALID_TIMEZONE, tz_name::name, tz_data::names, NO_ERROR, NULL, strlen, tz_get_new_timezone_data(), tz_get_zone_id_by_name(), tz_set_data(), and tz_decode_info::zone.

Referenced by conv_tz().

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static int starts_with	(	const char *	prefix,
		const char *	str
	)

static

Definition at line 4349 of file tz_support.c.

References assert, error(), NULL, p, tz_get_data(), and tz_decode_info::zone.

Referenced by tz_get_best_match_zone().

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static bool tz_check_ds_match_string	(	const TZ_OFFSET_RULE *	off_rule,
		const TZ_DS_RULE *	ds_rule,
		const char *	ds_string,
		const char *	default_abrev
	)

static

Definition at line 2499 of file tz_support.c.

References tz_ds_rule::letter_abbrev, NULL, tz_offset_rule::save_format, tz_ds_rule::save_time, tz_offset_rule::std_format, TZ_MAX_FORMAT_SIZE, and tz_offset_rule::var_format.

Referenced by tz_datetime_utc_conv().

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int tz_check_geographic_tz ( const TZ_ID * tz_id )

Definition at line 4975 of file tz_support.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, er_set(), ER_TZ_GEOGRAPHIC_ZONE, NO_ERROR, tz_decode_info::type, tz_decode_tz_id(), and TZ_REGION_ZONE.

int tz_check_session_has_geographic_tz ( void )

Definition at line 4995 of file tz_support.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, er_set(), ER_TZ_GEOGRAPHIC_ZONE, NO_ERROR, tz_region::type, tz_get_session_tz_region(), and TZ_REGION_OFFSET.

int tz_conv_tz_datetime_w_region	(	const DB_DATETIME *	src_dt,
		const TZ_REGION *	src_tz_region,
		const TZ_REGION *	dest_tz_region,
		DB_DATETIME *	dest_dt,
		TZ_ID *	src_tz_id_out,
		TZ_ID *	dest_tz_id_out
	)

Definition at line 3812 of file tz_support.c.

References assert, NO_ERROR, NULL, tz_conv_tz_datetime_w_zone_info(), tz_decode_tz_region(), tz_encode_tz_id(), and TZ_REGION_OFFSET.

Referenced by db_timestamp_decode_w_reg(), db_timestamp_encode_w_reg(), do_evaluate_default_expr(), fetch_peek_arith(), pt_evaluate_db_value_expr(), qexec_execute_insert(), tz_conv_tz_datetime_w_zone_name(), and tz_conv_tz_time_w_zone_name().

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static int tz_conv_tz_datetime_w_zone_info	(	const DB_DATETIME *	src_dt,
		const TZ_DECODE_INFO *	src_zone_info_in,
		const TZ_DECODE_INFO *	dest_zone_info_in,
		DB_DATETIME *	dest_dt,
		TZ_DECODE_INFO *	src_zone_info_out,
		TZ_DECODE_INFO *	dest_zone_info_out
	)

static

Definition at line 3730 of file tz_support.c.

References assert, NO_ERROR, NULL, tz_decode_info::offset, tz_decode_info::type, tz_datetime_utc_conv(), TZ_IS_ZONE_VALID_DECODE_INFO, TZ_REGION_OFFSET, TZ_REGION_ZONE, and tz_decode_info::zone.

Referenced by tz_conv_tz_datetime_w_region().

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int tz_conv_tz_datetime_w_zone_name	(	const DB_DATETIME *	src_dt,
		const char *	source_zone,
		int	len_source,
		const char *	dest_zone,
		int	len_dest,
		DB_DATETIME *	dest_dt
	)

Definition at line 3858 of file tz_support.c.

References NO_ERROR, NULL, tz_conv_tz_datetime_w_region(), and tz_str_to_region().

Referenced by db_new_time().

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int tz_conv_tz_time_w_zone_name	(	const DB_TIME *	time_source,
		const char *	source_zone,
		int	len_source,
		const char *	dest_zone,
		int	len_dest,
		DB_TIME *	time_dest
	)

Definition at line 1528 of file tz_support.c.

References db_datetime::date, NO_ERROR, NULL, db_datetime::time, tz_conv_tz_datetime_w_region(), tz_get_current_date(), and tz_str_to_region().

Referenced by db_new_time(), do_evaluate_default_expr(), fetch_peek_arith(), pt_evaluate_db_value_expr(), and qexec_execute_insert().

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int tz_create_datetimetz	(	const DB_DATETIME *	dt,
		const char *	tz_str,
		const int	tz_size,
		const TZ_REGION *	default_tz_region,
		DB_DATETIMETZ *	dt_tz,
		const char **	end_tz_str
	)

Definition at line 1383 of file tz_support.c.

References db_datetimetz::datetime, NO_ERROR, NULL, tz_datetime_utc_conv(), tz_decode_tz_region(), tz_encode_tz_id(), db_datetimetz::tz_id, and tz_str_timezone_decode().

Referenced by db_date_add_sub_interval_expr(), db_from_tz(), db_string_to_datetimetz_ex(), and netval_to_dbval().

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int tz_create_datetimetz_from_offset	(	const DB_DATETIME *	dt,
		const int	tzh,
		const int	tzm,
		DB_DATETIMETZ *	dt_tz
	)

Definition at line 4068 of file tz_support.c.

References ARG_FILE_LINE, db_datetimetz::datetime, ER_DATE_CONVERSION, ER_ERROR_SEVERITY, er_set(), NO_ERROR, tz_decode_info::offset, tz_decode_info::type, tz_datetime_utc_conv(), tz_encode_tz_id(), db_datetimetz::tz_id, TZ_MAX_OFFSET, TZ_MIN_OFFSET, and TZ_REGION_OFFSET.

Referenced by db_str_to_date(), and db_to_datetime().

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int tz_create_datetimetz_from_parts	(	const int	m,
		const int	d,
		const int	y,
		const int	h,
		const int	mi,
		const int	s,
		const int	ms,
		const TZ_ID *	tz_id,
		DB_DATETIMETZ *	dt_tz
	)

Definition at line 5138 of file tz_support.c.

References db_datetimetz::datetime, db_datetime_encode(), NO_ERROR, NULL, tz_create_datetimetz_from_utc(), tz_datetimetz_fix_zone(), tz_get_session_tz_region(), and db_datetimetz::tz_id.

Referenced by db_add_time(), db_date_add_sub_interval_days(), and db_date_add_sub_interval_expr().

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int tz_create_datetimetz_from_ses	(	const DB_DATETIME *	dt,
		DB_DATETIMETZ *	dt_tz
	)

Definition at line 1493 of file tz_support.c.

References db_datetimetz::datetime, NO_ERROR, tz_datetime_utc_conv(), tz_decode_tz_region(), tz_encode_tz_id(), tz_get_session_tz_region(), and db_datetimetz::tz_id.

Referenced by db_date_add_sub_interval_expr(), qdata_subtract_datetime_to_dbval(), tp_value_cast_internal(), and tp_value_coerce_strict().

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int tz_create_datetimetz_from_utc	(	const DB_DATETIME *	src_dt,
		const TZ_REGION *	dest_region,
		DB_DATETIMETZ *	dest_dt_tz
	)

Definition at line 5104 of file tz_support.c.

References db_datetimetz::datetime, NO_ERROR, tz_datetime_utc_conv(), tz_decode_tz_region(), tz_encode_tz_id(), and db_datetimetz::tz_id.

Referenced by tz_create_datetimetz_from_parts().

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int tz_create_datetimetz_from_zoneid_and_tzd	(	const DB_DATETIME *	dt,
		TZ_REGION *	default_tz_region,
		const int	zone_id,
		const char *	tzd,
		const int	tzd_len,
		bool	is_time_tz,
		DB_DATETIMETZ *	dt_tz
	)

Definition at line 4212 of file tz_support.c.

References ARG_FILE_LINE, db_datetime::date, db_datetimetz::datetime, ER_ERROR_SEVERITY, er_set(), ER_TZ_INVALID_DST, NO_ERROR, NULL, tz_decode_info::offset, db_datetime::time, tz_decode_info::type, tz_datetime_utc_conv(), tz_decode_tz_region(), TZ_DS_ID_MAX, tz_encode_tz_id(), db_datetimetz::tz_id, TZ_OFFSET_ID_MAX, TZ_REGION_OFFSET, TZ_REGION_ZONE, tz_decode_info::zone, and tz_decode_info::zone_id.

Referenced by db_str_to_date(), and db_to_datetime().

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int tz_create_session_tzid_for_datetime	(	const DB_DATETIME *	src_dt,
		bool	src_is_utc,
		TZ_ID *	tz_id
	)

Definition at line 1037 of file tz_support.c.

References NO_ERROR, tz_datetime_utc_conv(), tz_decode_tz_region(), tz_encode_tz_id(), and tz_get_session_tz_region().

Referenced by conv_tz(), date_to_char(), db_date_format(), db_datetimeltz_to_string(), db_time_format(), dbval_to_net_buf(), qdata_subtract_dbval(), tp_value_cast_internal(), tp_value_coerce_strict(), tz_create_session_tzid_for_time(), tz_create_session_tzid_for_timestamp(), tz_datetimeltz_to_local(), and valcnv_convert_data_to_string().

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int tz_create_session_tzid_for_time	(	const DB_TIME *	src_time,
		bool	src_is_utc,
		TZ_ID *	tz_id
	)

Definition at line 1091 of file tz_support.c.

References db_datetime::date, db_datetime::time, tz_create_session_tzid_for_datetime(), and tz_get_current_date().

Referenced by date_to_char(), and db_time_format().

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int tz_create_session_tzid_for_timestamp	(	const DB_UTIME *	src_ts,
		TZ_ID *	tz_id
	)

Definition at line 1068 of file tz_support.c.

References db_datetime::date, db_timestamp_decode_utc(), db_datetime::time, and tz_create_session_tzid_for_datetime().

Referenced by conv_tz(), date_to_char(), db_date_format(), db_time_format(), db_timestampltz_to_string(), dbval_to_net_buf(), qdata_add_bigint_to_dbval(), qdata_add_dbval(), qdata_add_int_to_dbval(), qdata_add_short_to_dbval(), tp_value_cast_internal(), tp_value_coerce_strict(), and valcnv_convert_data_to_string().

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int tz_create_timestamptz	(	const DB_DATE *	date,
		const DB_TIME *	time,
		const char *	tz_str,
		const int	tz_size,
		const TZ_REGION *	default_tz_region,
		DB_TIMESTAMPTZ *	ts_tz,
		const char **	end_tz_str
	)

Definition at line 1435 of file tz_support.c.

References db_datetime::date, db_timestamp_encode_utc(), NO_ERROR, NULL, db_datetime::time, db_timestamptz::timestamp, tz_datetime_utc_conv(), tz_decode_tz_region(), tz_encode_tz_id(), db_timestamptz::tz_id, and tz_str_timezone_decode().

Referenced by db_string_to_timestamptz_ex(), and netval_to_dbval().

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int tz_create_timestamptz_from_offset	(	const DB_DATE *	date,
		const DB_TIME *	time,
		const int	tzh,
		const int	tzm,
		DB_TIMESTAMPTZ *	timestamp_tz
	)

Definition at line 4107 of file tz_support.c.

References ARG_FILE_LINE, db_datetime::date, db_timestamp_encode_utc(), ER_DATE_CONVERSION, ER_ERROR_SEVERITY, er_set(), NO_ERROR, tz_decode_info::offset, db_datetime::time, db_timestamptz::timestamp, tz_decode_info::type, tz_datetime_utc_conv(), tz_encode_tz_id(), db_timestamptz::tz_id, TZ_MAX_OFFSET, TZ_MIN_OFFSET, and TZ_REGION_OFFSET.

Referenced by db_to_timestamp().

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int tz_create_timestamptz_from_zoneid_and_tzd	(	const DB_DATE *	date,
		const DB_TIME *	time,
		TZ_REGION *	default_tz_region,
		const int	zone_id,
		const char *	tzd,
		const int	tzd_len,
		DB_TIMESTAMPTZ *	timestamp_tz
	)

Definition at line 4280 of file tz_support.c.

References ARG_FILE_LINE, db_datetime::date, db_timestamp_encode_utc(), ER_ERROR_SEVERITY, er_set(), ER_TZ_INVALID_DST, NO_ERROR, NULL, db_datetime::time, db_timestamptz::timestamp, tz_decode_info::type, tz_datetime_utc_conv(), tz_decode_tz_region(), TZ_DS_ID_MAX, tz_encode_tz_id(), db_timestamptz::tz_id, TZ_OFFSET_ID_MAX, TZ_REGION_ZONE, tz_decode_info::zone, and tz_decode_info::zone_id.

Referenced by db_to_timestamp().

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static int tz_datetime_utc_conv	(	const DB_DATETIME *	src_dt,
		TZ_DECODE_INFO *	tz_info,
		bool	src_is_utc,
		bool	only_tz_adjust,
		DB_DATETIME *	dest_dt
	)

static

Definition at line 2815 of file tz_support.c.

References ABS, APPLY_NEXT_OFF_RULE, ARG_FILE_LINE, assert, tz_ds_rule::at_time, tz_ds_rule::at_time_type, BACKWARD, BO_IS_SERVER_RESTARTED, tz_ds_ruleset::count, db_datetime::date, DATE_DIFF_MATCH_SAFE_THRESHOLD_DAYS, DATE_DIFF_MATCH_SAFE_THRESHOLD_SEC, db_add_int_to_datetime(), tz_ds_ruleset::default_abrev, diff, tz_data::ds_rule_count, tz_data::ds_rules, tz_offset_rule::ds_ruleset, tz_data::ds_ruleset_count, tz_data::ds_rulesets, tz_offset_rule::ds_type, DS_TYPE_FIXED, DS_TYPE_RULESET_ID, ER_ERROR_SEVERITY, er_set(), ER_TIME_CONVERSION, ER_TZ_DURING_DS_LEAP, ER_TZ_DURING_OFFSET_RULE_LEAP, ER_TZ_INTERNAL_ERROR, ER_TZ_INVALID_COMBINATION, ER_TZ_INVALID_DST, FORWARD, tz_ds_rule::from_year, FULL_DATE, get_closest_ds_rule(), get_saving_time_from_offset_rule(), get_year_to_apply_rule(), tz_offset_rule::gmt_off, tz_timezone::gmt_off_rule_count, tz_timezone::gmt_off_rule_start, tz_ds_rule::in_month, tz_ds_ruleset::index_start, is_in_overlap_interval(), tz_offset_rule::julian_date, julian_decode(), MILLIS_IN_A_DAY, tz_data::name_count, tz_data::names, NO_ERROR, NULL, tz_decode_info::offset, tz_data::offset_rule_count, tz_data::offset_rules, tz_offset_rule::save_format, tz_ds_rule::save_time, SECONDS_IN_A_DAY, tz_offset_rule::std_format, db_datetime::time, TIME_OFFSET, tz_data::timezones, tz_ds_rule::to_year, tz_ds_ruleset::to_year_max, tz_decode_info::type, tz_check_ds_match_string(), tz_fast_find_ds_rule(), tz_get_data(), tz_get_ds_change_julian_date_diff(), TZ_INVALID_OFFSET, TZ_MAX_JULIAN_DATE, TZ_MON_DEC, TZ_MON_JAN, tz_offset(), TZ_REGION_OFFSET, TZ_REGION_ZONE, TZ_TIME_TYPE_LOCAL_STD, TZ_TIME_TYPE_LOCAL_WALL, TZ_TIME_TYPE_UTC, UNTIL_EXPLICIT, tz_offset_rule::until_flag, tz_offset_rule::until_hour, UNTIL_INFINITE, tz_offset_rule::until_min, tz_offset_rule::until_sec, tz_offset_rule::until_time_type, tz_offset_rule::var_format, tz_decode_info::zone, and tz_name::zone_id.

Referenced by conv_tz(), tz_conv_tz_datetime_w_zone_info(), tz_create_datetimetz(), tz_create_datetimetz_from_offset(), tz_create_datetimetz_from_ses(), tz_create_datetimetz_from_utc(), tz_create_datetimetz_from_zoneid_and_tzd(), tz_create_session_tzid_for_datetime(), tz_create_timestamptz(), tz_create_timestamptz_from_offset(), tz_create_timestamptz_from_zoneid_and_tzd(), tz_datetimetz_fix_zone(), tz_full_timezones_start_scan(), and tz_get_timezone_offset().

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int tz_datetimeltz_to_local	(	const DB_DATETIME *	dt_ltz,
		DB_DATETIME *	dt_local
	)

Definition at line 1628 of file tz_support.c.

References error(), NO_ERROR, tz_create_session_tzid_for_datetime(), and tz_utc_datetimetz_to_local().

Referenced by db_add_time(), db_get_datetime_from_dbvalue(), db_get_time_from_dbvalue(), db_string_extract_dbval(), db_trunc_dbval(), qdata_subtract_int_to_dbval(), round_date(), and tp_value_cast_internal().

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int tz_datetimetz_fix_zone	(	const DB_DATETIMETZ *	src_dt_tz,
		DB_DATETIMETZ *	dest_dt_tz
	)

Definition at line 1815 of file tz_support.c.

References db_datetimetz::datetime, NO_ERROR, tz_datetime_utc_conv(), tz_decode_tz_id(), tz_encode_tz_id(), and db_datetimetz::tz_id.

Referenced by pt_evaluate_db_value_expr(), qdata_add_datetimetz_to_dbval(), qdata_interpolation_function_values(), qdata_subtract_datetimetz_to_dbval(), tz_create_datetimetz_from_parts(), and tz_timestamptz_fix_zone().

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static void tz_decode_tz_id	(	const TZ_ID *	tz_id,
		const bool	is_full_decode,
		TZ_DECODE_INFO *	tz_info
	)

static

Definition at line 1957 of file tz_support.c.

References assert, cubregex::count(), tz_data::ds_rules, tz_offset_rule::ds_ruleset, tz_data::ds_rulesets, tz_offset_rule::ds_type, DS_TYPE_RULESET_ID, tz_decode_info::dst_id, tz_timezone::gmt_off_rule_start, tz_ds_ruleset::index_start, tz_ds_rule::letter_abbrev, tz_data::names, NULL, tz_decode_info::offset, tz_data::offset_rules, tz_data::timezones, tz_decode_info::type, TZ_BIT_SHIFT_TZ_ID_FLAG, TZ_DS_ID_MAX, tz_get_data(), TZ_MASK_TZ_ID_FLAG, TZ_OFFSET_ID_MAX, TZ_OFFSET_MASK, TZ_REGION_OFFSET, TZ_REGION_ZONE, TZ_ZONE_ID_MAX, tz_offset_rule::var_format, tz_decode_info::zone, tz_decode_info::zone_id, and tz_name::zone_id.

Referenced by conv_tz(), tz_check_geographic_tz(), tz_datetimetz_fix_zone(), tz_explain_tz_id(), tz_id_to_region(), tz_id_to_str(), tz_tzid_convert_region_to_offset(), and tz_utc_datetimetz_to_local().

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static void tz_decode_tz_region	(	const TZ_REGION *	tz_region,
		TZ_DECODE_INFO *	tz_info
	)

static

Definition at line 2053 of file tz_support.c.

References NULL, tz_decode_info::offset, tz_region::offset, tz_decode_info::type, tz_region::type, TZ_DS_ID_MAX, TZ_OFFSET_ID_MAX, TZ_REGION_OFFSET, tz_decode_info::zone, and tz_region::zone_id.

Referenced by tz_conv_tz_datetime_w_region(), tz_create_datetimetz(), tz_create_datetimetz_from_ses(), tz_create_datetimetz_from_utc(), tz_create_datetimetz_from_zoneid_and_tzd(), tz_create_session_tzid_for_datetime(), tz_create_timestamptz(), and tz_create_timestamptz_from_zoneid_and_tzd().

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static void tz_encode_tz_id	(	const TZ_DECODE_INFO *	tz_info,
		TZ_ID *	tz_id
	)

static

Definition at line 1891 of file tz_support.c.

References tz_decode_info::dst_id, tz_decode_info::offset, tz_decode_info::offset_id, tz_decode_info::type, TZ_DS_ID_MAX, TZ_OFFSET_ID_MAX, TZ_OFFSET_MASK, TZ_REGION_OFFSET, TZ_ZONE_ID_MAX, tz_decode_info::zone, and tz_decode_info::zone_id.

Referenced by conv_tz(), tz_conv_tz_datetime_w_region(), tz_create_datetimetz(), tz_create_datetimetz_from_offset(), tz_create_datetimetz_from_ses(), tz_create_datetimetz_from_utc(), tz_create_datetimetz_from_zoneid_and_tzd(), tz_create_session_tzid_for_datetime(), tz_create_timestamptz(), tz_create_timestamptz_from_offset(), tz_create_timestamptz_from_zoneid_and_tzd(), tz_datetimetz_fix_zone(), and tz_tzid_convert_region_to_offset().

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static void tz_encode_tz_region	(	const TZ_DECODE_INFO *	tz_info,
		TZ_REGION *	tz_region
	)

static

Definition at line 1932 of file tz_support.c.

References assert, tz_decode_info::offset, tz_region::offset, tz_decode_info::type, tz_region::type, TZ_REGION_OFFSET, TZ_ZONE_ID_MAX, tz_decode_info::zone, and tz_region::zone_id.

Referenced by tz_id_to_region().

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int tz_explain_tz_id	(	const TZ_ID *	tz_id,
		char *	tzr,
		const int	tzr_size,
		char *	tzdst,
		const int	tzdst_size,
		int *	tzh,
		int *	tzm
	)

Definition at line 3893 of file tz_support.c.

References ARG_FILE_LINE, assert, BO_IS_SERVER_RESTARTED, cubregex::count(), db_time_decode(), tz_data::ds_rules, tz_offset_rule::ds_ruleset, tz_data::ds_rulesets, tz_offset_rule::ds_type, DS_TYPE_RULESET_ID, tz_decode_info::dst_id, ER_DATE_CONVERSION, ER_ERROR_SEVERITY, ER_FAILED, er_set(), ER_TZ_INTERNAL_ERROR, ER_TZ_LOAD_ERROR, tz_timezone::gmt_off_rule_start, tz_ds_ruleset::index_start, LEN_MIN_HOUR, LEN_MIN_HOUR_SEC, tz_ds_rule::letter_abbrev, min, tz_name::name, tz_data::names, NO_ERROR, NULL, tz_decode_info::offset, tz_data::offset_rules, tz_offset_rule::save_format, tz_ds_rule::save_time, tz_offset_rule::std_format, strlen, tz_data::timezones, tz_decode_info::type, tz_decode_tz_id(), tz_get_data(), TZ_INVALID_OFFSET, TZ_MAX_FORMAT_SIZE, TZ_MAX_OFFSET, TZ_REGION_OFFSET, tz_offset_rule::var_format, tz_decode_info::zone, tz_decode_info::zone_id, and tz_name::zone_id.

Referenced by date_to_char(), db_date_format(), and db_time_format().

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static int tz_fast_find_ds_rule	(	const TZ_DATA *	tzd,
		const TZ_DS_RULESET *	ds_ruleset,
		const int	src_julian_date,
		const int	src_year,
		const int	src_month,
		int *	ds_rule_id
	)

static

Definition at line 2388 of file tz_support.c.

References assert, tz_ds_rule::at_time, tz_ds_ruleset::count, DATE_DIFF_MATCH_SAFE_THRESHOLD_SEC, diff, tz_data::ds_rule_count, tz_data::ds_rules, tz_ds_rule::from_year, FULL_DATE, get_year_to_apply_rule(), tz_ds_rule::in_month, tz_ds_ruleset::index_start, NO_ERROR, NULL, tz_ds_rule::to_year, tz_ds_ruleset::to_year_max, tz_get_ds_change_julian_date_diff(), TZ_MON_DEC, and TZ_MON_JAN.

Referenced by get_saving_time_from_offset_rule(), and tz_datetime_utc_conv().

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int tz_full_timezones_start_scan	(	THREAD_ENTRY *	thread_p,
		int	show_type,
		DB_VALUE **	arg_values,
		int	arg_cnt,
		void **	ptr
	)

Definition at line 4775 of file tz_support.c.

References db_datetime_encode(), db_make_null(), db_make_string(), db_make_string_copy(), tz_data::ds_rules, tz_offset_rule::ds_ruleset, tz_data::ds_rulesets, tz_offset_rule::ds_type, DS_TYPE_RULESET_ID, tz_decode_info::dst_id, er_errid(), error(), tz_offset_rule::gmt_off, tz_timezone::gmt_off_rule_start, i, tz_ds_ruleset::index_start, tz_ds_rule::letter_abbrev, MAX_LEN_OFFSET, tz_name::name, tz_data::name_count, tz_data::names, NO_ERROR, NULL, tz_data::offset_rules, tz_offset_rule::save_format, tz_ds_rule::save_time, showstmt_alloc_array_context(), showstmt_alloc_tuple_in_context(), showstmt_free_array_context(), tz_offset_rule::std_format, tz_data::timezones, tz_decode_info::type, tz_datetime_utc_conv(), TZ_DS_ID_MAX, tz_get_data(), TZ_MAX_FORMAT_SIZE, tz_print_tz_offset(), TZ_REGION_ZONE, tz_timestamp_decode_no_leap_sec(), tz_offset_rule::var_format, tz_decode_info::zone, tz_decode_info::zone_id, and tz_name::zone_id.

Referenced by showstmt_scan_init().

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int tz_get_best_match_zone	(	const char *	name,
		int *	size
	)

Definition at line 4157 of file tz_support.c.

References assert, tz_name::name, tz_data::name_count, tz_data::names, NULL, starts_with(), strlen, and tz_get_data().

Referenced by db_str_to_date(), db_to_datetime(), db_to_time(), and db_to_timestamp().

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TZ_REGION* tz_get_client_tz_region_session ( void )

Definition at line 4662 of file tz_support.c.

References cubthread::manager::find_by_tid(), NULL, session_get_session_tz_region(), thread_get_manager(), thread_get_thread_entry_info(), TT_VACUUM_WORKER, tz_Region_session, and tz_Region_system.

Referenced by prm_load_by_section(), sysprm_set_value(), and tz_get_session_tz_region().

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static DB_DATE tz_get_current_date ( void )

static

Definition at line 852 of file tz_support.c.

References db_datetime::date, db_datetime_encode(), and NULL.

Referenced by tz_conv_tz_time_w_zone_name(), and tz_create_session_tzid_for_time().

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const TZ_DATA* tz_get_data ( void )

Definition at line 687 of file tz_support.c.

References NULL, tz_data::timezone_count, and tz_Timezone_data.

Referenced by boot_restart_server(), boot_set_server_session_key(), createdb(), dump_tz(), sboot_get_timezone_checksum(), starts_with(), sysprm_final(), tz_datetime_utc_conv(), tz_decode_tz_id(), tz_explain_tz_id(), tz_full_timezones_start_scan(), tz_get_best_match_zone(), tz_get_zone_id_by_name(), tz_resolve_os_timezone(), tz_timestamp_decode_leap_sec_adj(), tz_timestamp_encode_leap_sec_adj(), tz_timezones_start_scan(), and tz_zone_info_to_str().

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int tz_get_ds_change_julian_date_diff	(	const int	src_julian_date,
		const TZ_DS_RULE *	ds_rule,
		const int	year,
		int *	ds_rule_julian_date,
		full_date_t *	date_diff
	)

Definition at line 2333 of file tz_support.c.

References ARG_FILE_LINE, tz_ds_rule::change_on, tz_ds_change_on::day_of_month, tz_ds_change_on::day_of_week, ER_ERROR_SEVERITY, er_set(), ER_TZ_INTERNAL_ERROR, FULL_DATE, tz_ds_rule::in_month, IS_LEAP_YEAR, julian_encode(), NO_ERROR, NULL, tz_ds_change_on::type, TZ_DS_TYPE_FIXED, TZ_DS_TYPE_VAR_SMALLER, tz_get_first_weekday_around_date(), and TZ_MON_FEB.

Referenced by get_date_diff_from_ds_rule(), tz_datetime_utc_conv(), tz_fast_find_ds_rule(), and tzc_check_ds_ruleset().

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int tz_get_first_weekday_around_date	(	const int	year,
		const int	month,
		const int	weekday,
		const int	ref_day,
		const bool	before
	)

Definition at line 2085 of file tz_support.c.

References assert, DAYS_IN_MONTH, db_get_day_of_week(), IS_LEAP_YEAR, TZ_MON_FEB, TZ_WEEK_DAY_COUNT, TZ_WEEK_DAY_SAT, and TZ_WEEK_DAY_SUN.

Referenced by get_day_of_week_for_raw_rule(), str_to_offset_rule_until(), and tz_get_ds_change_julian_date_diff().

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static const TZ_REGION * tz_get_invalid_tz_region ( void )

static

Definition at line 840 of file tz_support.c.

References TZ_INVALID_OFFSET, and TZ_REGION_OFFSET.

Referenced by tz_get_session_tz_region().

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static bool tz_get_leapsec_support ( void )

static

Definition at line 402 of file tz_support.c.

References prm_get_bool_value(), and PRM_ID_TZ_LEAP_SECOND_SUPPORT.

Referenced by tz_timestamp_decode_sec(), and tz_timestamp_encode_leap_sec_adj().

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const TZ_DATA* tz_get_new_timezone_data ( void )

Definition at line 713 of file tz_support.c.

References NULL, tz_data::timezone_count, and tz_New_timezone_data.

Referenced by set_new_zone_id().

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int tz_get_offset_in_mins ( )

Definition at line 5480 of file tz_support.c.

Referenced by db_sys_timezone().

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const char* tz_get_session_local_timezone ( void )

Definition at line 739 of file tz_support.c.

References prm_get_string_value(), and PRM_ID_TIMEZONE.

Referenced by do_evaluate_default_expr(), fetch_peek_arith(), pt_evaluate_db_value_expr(), and qexec_execute_insert().

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void tz_get_session_tz_region ( TZ_REGION * tz_region )

Definition at line 767 of file tz_support.c.

References BO_IS_SERVER_RESTARTED, NULL, tz_get_client_tz_region_session(), tz_get_invalid_tz_region(), and tz_Region_system.

Referenced by db_str_to_date(), db_string_to_datetimetz_ex(), db_string_to_timestamptz_ex(), db_timestamp_decode_ses(), db_timestamp_encode_ses(), db_to_datetime(), db_to_timestamp(), do_evaluate_default_expr(), fetch_peek_arith(), netval_to_dbval(), pt_evaluate_db_value_expr(), qexec_execute_insert(), tz_check_session_has_geographic_tz(), tz_create_datetimetz_from_parts(), tz_create_datetimetz_from_ses(), and tz_create_session_tzid_for_datetime().

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const char* tz_get_system_timezone ( void )

Definition at line 749 of file tz_support.c.

References prm_get_string_value(), and PRM_ID_SERVER_TIMEZONE.

Referenced by do_evaluate_default_expr(), fetch_peek_arith(), pt_evaluate_db_value_expr(), qexec_execute_insert(), and sysprm_make_default_values().

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void tz_get_system_tz_region ( TZ_REGION * tz_region )

Definition at line 758 of file tz_support.c.

References tz_Region_system.

Referenced by db_timestamp_encode_sys(), do_evaluate_default_expr(), fetch_peek_arith(), pt_evaluate_db_value_expr(), and qexec_execute_insert().

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int tz_get_timezone_offset	(	const char *	tz_str,
		int	tz_size,
		char *	result,
		DB_DATETIME *	utc_datetime
	)

Definition at line 935 of file tz_support.c.

References ARG_FILE_LINE, CAST_BUFLEN, char_isspace(), db_datetime::date, ER_ERROR_SEVERITY, er_set(), ER_TZ_INVALID_TIMEZONE, error(), NO_ERROR, p, db_datetime::time, tz_decode_info::type, tz_datetime_utc_conv(), tz_get_zone_id_by_name(), tz_print_tz_offset(), TZ_REGION_ZONE, tz_str_to_seconds(), tz_decode_info::zone, and tz_decode_info::zone_id.

Referenced by db_tz_offset().

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const TZ_ID* tz_get_utc_tz_id ( void )

Definition at line 816 of file tz_support.c.

Referenced by db_timestamp_encode_w_reg(), db_value_domain_default(), db_value_domain_max(), db_value_domain_min(), and tp_value_coerce_strict().

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const TZ_REGION* tz_get_utc_tz_region ( void )

Definition at line 828 of file tz_support.c.

References TZ_REGION_OFFSET.

Referenced by db_timestamp_decode_w_reg(), and db_timestamp_encode_w_reg().

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static int tz_get_zone_id_by_name	(	const char *	name,
		const int	name_size
	)

static

Definition at line 1109 of file tz_support.c.

References assert, tz_name::name, tz_data::name_count, tz_data::names, NULL, strlen, and tz_get_data().

Referenced by set_new_zone_id(), tz_get_timezone_offset(), tz_resolve_os_timezone(), tz_str_timezone_decode(), and tz_str_to_region().

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void tz_id_to_region	(	const TZ_ID *	tz_id,
		TZ_REGION *	tz_region
	)

Definition at line 803 of file tz_support.c.

References tz_decode_tz_id(), and tz_encode_tz_region().

Referenced by db_date_add_sub_interval_expr().

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int tz_id_to_str	(	const TZ_ID *	tz_id,
		char *	tz_str,
		const int	tz_str_size
	)

Definition at line 1789 of file tz_support.c.

References tz_decode_tz_id(), and tz_zone_info_to_str().

Referenced by db_datetimetz_to_string(), db_timestamptz_to_string(), and dbval_to_net_buf().

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int tz_load ( void )

Definition at line 337 of file tz_support.c.

References ARG_FILE_LINE, envvar_libdir_file(), er_errid(), ER_ERROR_SEVERITY, er_set(), ER_TZ_LOAD_ERROR, LIB_TZ_NAME, NO_ERROR, tz_Initialized, tz_Lib_handle, tz_load_data_from_lib(), and tz_load_library().

Referenced by boot_restart_client(), boot_restart_server(), createdb(), dump_tz(), net_server_start(), prm_load_by_section(), xboot_initialize_server(), and xboot_restart_from_backup().

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static int tz_load_data_from_lib	(	TZ_DATA *	tzd,
		void *	lib_handle
	)

static

Definition at line 281 of file tz_support.c.

References ARG_FILE_LINE, assert, tz_data::checksum, tz_data::countries, tz_data::country_count, tz_data::ds_leap_sec, tz_data::ds_leap_sec_count, tz_data::ds_rule_count, tz_data::ds_rules, tz_data::ds_ruleset_count, tz_data::ds_rulesets, ER_ERROR_SEVERITY, er_set(), ER_TZ_LOAD_ERROR, tz_data::name_count, tz_data::names, NO_ERROR, NULL, tz_data::offset_rule_count, tz_data::offset_rules, tz_data::timezone_count, tz_data::timezone_names, tz_data::timezones, TZLIB_GET_ADDR, TZLIB_GET_VAL, and TZLIB_SYMBOL_NAME_SIZE.

Referenced by tz_load(), and tz_load_with_library_path().

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static int tz_load_library	(	const char *	lib_file,
		void **	handle
	)

static

Definition at line 220 of file tz_support.c.

References ARG_FILE_LINE, assert, ER_ERROR_SEVERITY, er_set(), ER_TZ_LOAD_ERROR, error(), NO_ERROR, NULL, and snprintf_dots_truncate.

Referenced by tz_load(), and tz_load_with_library_path().

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int tz_load_with_library_path	(	TZ_DATA *	tzd,
		const char *	timezone_library_path
	)

Definition at line 4937 of file tz_support.c.

References ARG_FILE_LINE, assert, er_errid(), ER_ERROR_SEVERITY, er_set(), ER_TZ_LOAD_ERROR, NO_ERROR, NULL, tz_Lib_handle, tz_load_data_from_lib(), and tz_load_library().

Referenced by init_tz_name().

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static int tz_offset	(	const bool	src_is_utc,
		const TZ_TIME_TYPE	until_time_type,
		const int	gmt_offset_sec,
		const int	ds_save_time
	)

static

Definition at line 2559 of file tz_support.c.

References tz_decode_info::offset, TZ_TIME_TYPE_LOCAL_STD, TZ_TIME_TYPE_LOCAL_WALL, and TZ_TIME_TYPE_UTC.

Referenced by tz_datetime_utc_conv(), and tz_print_tz_offset().

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static int tz_print_tz_offset	(	char *	result,
		int	tz_offset
	)

static

Definition at line 884 of file tz_support.c.

References assert, ER_FAILED, NO_ERROR, and tz_offset().

Referenced by tz_full_timezones_start_scan(), and tz_get_timezone_offset().

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int tz_resolve_os_timezone	(	char *	timezone,
		int	buf_len
	)

Definition at line 4588 of file tz_support.c.

References NULL, strlen, tz_data::timezone_names, tz_get_data(), and tz_get_zone_id_by_name().

Referenced by sysprm_final().

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void tz_set_data ( const TZ_DATA * data )

Definition at line 702 of file tz_support.c.

Referenced by conv_tz(), and set_new_zone_id().

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void tz_set_new_timezone_data ( const TZ_DATA * data )

Definition at line 729 of file tz_support.c.

Referenced by tzc_compute_timezone_checksum().

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void tz_set_tz_region_system ( const TZ_REGION * tz_region )

Definition at line 4650 of file tz_support.c.

Referenced by prm_load_by_section(), and sysprm_set_value().

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int tz_str_read_number	(	const char *	str,
		const char *	str_end,
		const bool	strict,
		const bool	read_sign,
		int *	val,
		const char **	str_next
	)

Definition at line 2130 of file tz_support.c.

References assert, char_isdigit(), ER_FAILED, IS_EMPTY_STR, and NO_ERROR.

Referenced by str_read_day_var(), str_to_offset_rule_until(), tz_str_read_time(), tzc_add_ds_rule(), tzc_add_offset_rule(), and tzc_load_leap_secs().

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int tz_str_read_time	(	const char *	str,
		const char *	str_end,
		bool	need_minutes,
		bool	allow_sec60,
		int *	hour,
		int *	min,
		int *	sec,
		const char **	str_next
	)