http://git-wip-us.apache.org/repos/asf/tajo/blob/526dca28/tajo-common/src/main/java/org/apache/tajo/util/datetime/DateTimeConstants.java
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a/tajo-common/src/main/java/org/apache/tajo/util/datetime/DateTimeConstants.java
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+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.tajo.util.datetime;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class DateTimeConstants {
+ public enum DateStyle {
+ XSO_DATES,
+ ISO_DATES,
+ SQL_DATES
+ };
+
+ public static final int[][] DAY_OF_MONTH = {
+ {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0},
+ {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0}
+ };
+
+ /** assumes leap year every four years */
+ public static final double DAYS_PER_YEAR = 365.25;
+ public static final int MONTHS_PER_YEAR = 12;
+
+
+ // DAYS_PER_MONTH is very imprecise. The more accurate value is
+ // 365.2425/12 = 30.436875, or '30 days_full 10:29:06'. Right now we only
+ // return an integral number of days_full, but someday perhaps we should
+ // also return a 'time' value to be used as well. ISO 8601 suggests
+ // 0 days_full.
+
+ /** assumes exactly 30 days_full per month */
+ public static final int DAYS_PER_MONTH = 30;
+ /** assume no daylight savings time changes */
+ public static final int HOURS_PER_DAY = 24;
+
+ // This doesn't adjust for uneven daylight savings time intervals or leap
+ // seconds, and it crudely estimates leap years. A more accurate value
+ // for days_full per years is 365.2422.
+
+ /** avoid floating-point computation */
+ public static final int SECS_PER_YEAR = 36525 * 864;
+ public static final int SECS_PER_DAY = 86400;
+ public static final int SECS_PER_HOUR = 3600;
+ public static final int SECS_PER_MINUTE = 60;
+ public static final int MINS_PER_HOUR = 60;
+
+ public static final long MSECS_PER_DAY = 86400000L;
+ public static final long MSECS_PER_SEC = 1000L;
+
+ public static final long USECS_PER_DAY = 86400000000L;
+ public static final long USECS_PER_HOUR = 3600000000L;
+ public static final long USECS_PER_MINUTE = 60000000L;
+ public static final long USECS_PER_SEC = 1000000L;
+
+ public static final int JULIAN_MINYEAR = -4713;
+ public static final int JULIAN_MINMONTH = 11;
+ public static final int JULIAN_MINDAY = 24;
+ public static final int JULIAN_MAXYEAR = 5874898;
+
+ /** == DateTimeUtil.toJulianDate(JULIAN_MAXYEAR, 1, 1) */
+ public static final int JULIAN_MAX = 2147483494;
+
+ // Julian-date equivalents of Day 0 in Unix and Postgres reckoning
+ /** == DateTimeUtil.toJulianDate(1970, 1, 1) */
+ public static final int UNIX_EPOCH_JDATE = 2440588;
+ /** == DateTimeUtil.toJulianDate(2000, 1, 1) */
+ public static final int POSTGRES_EPOCH_JDATE = 2451545;
+ /** == (POSTGRES_EPOCH_JDATE * SECS_PER_DAY) - (UNIX_EPOCH_JDATE *
SECS_PER_DAY); */
+ public static final long SECS_DIFFERENCE_BETWEEN_JULIAN_AND_UNIXTIME =
946684800;
+
+ public static final int MAX_TZDISP_HOUR = 15; /* maximum
allowed hour part */
+ public static final int TZDISP_LIMIT = ((MAX_TZDISP_HOUR + 1) *
SECS_PER_HOUR);
+
+ public static final int INTERVAL_FULL_RANGE = 0x7FFF;
+
+ public static final String DAGO = "ago";
+ public static final String DCURRENT = "current";
+ public static final String EPOCH = "epoch";
+ public static final String INVALID = "invalid";
+ public static final String EARLY = "-infinity";
+ public static final String LATE = "infinity";
+ public static final String NOW = "now";
+ public static final String TODAY = "today";
+ public static final String TOMORROW = "tomorrow";
+ public static final String YESTERDAY = "yesterday";
+ public static final String ZULU = "zulu";
+
+ public static final String DMICROSEC = "usecond";
+ public static final String DMILLISEC = "msecond";
+ public static final String DSECOND = "second";
+ public static final String DMINUTE = "minute";
+ public static final String DHOUR = "hour";
+ public static final String DDAY = "day";
+ public static final String DWEEK = "week";
+ public static final String DMONTH = "month";
+ public static final String DQUARTER = "quarter";
+ public static final String DYEAR = "year";
+ public static final String DDECADE = "decade";
+ public static final String DCENTURY = "century";
+ public static final String DMILLENNIUM = "millennium";
+ public static final String DA_D = "ad";
+ public static final String DB_C = "bc";
+ public static final String DTIMEZONE = "timezone";
+
+ public static final int DATEORDER_YMD = 0;
+ public static final int DATEORDER_DMY = 1;
+ public static final int DATEORDER_MDY = 2;
+
+ public static enum TokenField {
+ DECIMAL(0),
+
+ AM(0), PM(1), HR24(2),
+
+ AD(0), BC(1),
+
+ DTK_NUMBER(0),
+ DTK_STRING(1),
+
+ DTK_DATE(2),
+ DTK_TIME(3),
+ DTK_TZ(4),
+ DTK_AGO(5),
+
+ DTK_SPECIAL(6),
+ DTK_INVALID(7),
+ DTK_CURRENT(8),
+ DTK_EARLY(9),
+ DTK_LATE(10),
+ DTK_EPOCH(11),
+ DTK_NOW(12),
+ DTK_YESTERDAY(13),
+ DTK_TODAY(14),
+ DTK_TOMORROW(15),
+ DTK_ZULU(16),
+
+ DTK_DELTA(17),
+ DTK_SECOND(18),
+ DTK_MINUTE(19),
+ DTK_HOUR(20),
+ DTK_DAY(21),
+ DTK_WEEK(22),
+ DTK_MONTH(23),
+ DTK_QUARTER(24),
+ DTK_YEAR(25),
+ DTK_DECADE(26),
+ DTK_CENTURY(27),
+ DTK_MILLENNIUM(28),
+ DTK_MILLISEC(29),
+ DTK_MICROSEC(30),
+ DTK_JULIAN(31),
+
+ DTK_DOW(32),
+ DTK_DOY(33),
+ DTK_TZ_HOUR(34),
+ DTK_TZ_MINUTE(35),
+ DTK_ISOYEAR(36),
+ DTK_ISODOW(37),
+
+ RESERV(0),
+ MONTH(1),
+ YEAR(2),
+ DAY(3),
+ JULIAN(4),
+ TZ(5),
+ DTZ(6),
+ DTZMOD(7),
+ IGNORE_DTF(8),
+ AMPM(9),
+ HOUR(10),
+ MINUTE(11),
+ SECOND(12),
+ MILLISECOND(13),
+ MICROSECOND(14),
+ DOY(15),
+ DOW(16),
+ UNITS(17),
+ ADBC(18),
+ /* these are only for relative dates */
+ AGO(19),
+ ABS_BEFORE(20),
+ ABS_AFTER(21),
+ /* generic fields to help with parsing */
+ ISODATE(22),
+ ISOTIME(23),
+ /* these are only for parsing intervals */
+ WEEK(24),
+ DECADE(25),
+ CENTURY(26),
+ MILLENNIUM(27),
+ /* reserved for unrecognized string values */
+ UNKNOWN_FIELD(28);
+
+ int value;
+ TokenField(int value) {
+ this.value = value;
+ }
+
+ public int getValue() {
+ return value;
+ }
+ }
+
+ static Object datetktbl[][] = {
+ /* text, token, lexval */
+ {"-infinity", TokenField.RESERV, TokenField.DTK_EARLY}, /* "-infinity"
reserved for "early time" */
+ {"acsst", TokenField.DTZ, 42}, /* Cent. Australia */
+ {"acst", TokenField.DTZ, -16}, /* Atlantic/Porto Acre */
+ {"act", TokenField.TZ, -20}, /* Atlantic/Porto Acre */
+ {DA_D, TokenField.ADBC, TokenField.AD}, /* "ad" for
years >= 0 */
+ {"adt", TokenField.DTZ, -12}, /* Atlantic Daylight Time */
+ {"aesst", TokenField.DTZ, 44}, /* E. Australia */
+ {"aest", TokenField.TZ, 40}, /* Australia Eastern Std Time */
+ {"aft", TokenField.TZ, 18}, /* Kabul */
+ {"ahst", TokenField.TZ, -40}, /* Alaska-Hawaii Std Time */
+ {"akdt", TokenField.DTZ, -32}, /* Alaska Daylight Time */
+ {"akst", TokenField.DTZ, -36}, /* Alaska Standard Time */
+ {"allballs", TokenField.RESERV, TokenField.DTK_ZULU}, /*
00:00:00 */
+ {"almst", TokenField.TZ, 28}, /* Almaty Savings Time */
+ {"almt", TokenField.TZ, 24}, /* Almaty Time */
+ {"am", TokenField.AMPM, TokenField.AM},
+ {"amst", TokenField.DTZ, 20}, /* Armenia Summer Time
(Yerevan) */
+ {"amt", TokenField.TZ, 16}, /* Armenia Time (Yerevan) */
+ {"anast", TokenField.DTZ, 52}, /* Anadyr Summer Time (Russia) */
+ {"anat", TokenField.TZ, 48}, /* Anadyr Time (Russia) */
+ {"apr", TokenField.MONTH, 4},
+ {"april", TokenField.MONTH, 4},
+ {"art", TokenField.TZ, -12}, /* Argentina Time */
+ {"ast", TokenField.TZ, -16}, /* Atlantic Std Time (Canada) */
+ {"at", TokenField.IGNORE_DTF, 0}, /* "at" (throwaway) */
+ {"aug", TokenField.MONTH, 8},
+ {"august", TokenField.MONTH, 8},
+ {"awsst", TokenField.DTZ, 36}, /* W. Australia */
+ {"awst", TokenField.TZ, 32}, /* W. Australia */
+ {"awt", TokenField.DTZ, -12},
+ {"azost", TokenField.DTZ, 0}, /* Azores Summer Time */
+ {"azot", TokenField.TZ, -4}, /* Azores Time */
+ {"azst", TokenField.DTZ, 20}, /* Azerbaijan Summer Time */
+ {"azt", TokenField.TZ, 16}, /* Azerbaijan Time */
+ {DB_C, TokenField.ADBC, TokenField.BC}, /* "bc" for
years < 0 */
+ {"bdst", TokenField.TZ, 8}, /* British Double Summer Time */
+ {"bdt", TokenField.TZ, 24}, /* Dacca */
+ {"bnt", TokenField.TZ, 32}, /* Brunei Darussalam Time */
+ {"bort", TokenField.TZ, 32}, /* Borneo Time (Indonesia) */
+ {"bot", TokenField.TZ, -16}, /* Bolivia Time */
+ {"bra", TokenField.TZ, -12}, /* Brazil Time */
+ {"bst", TokenField.DTZ, 4}, /* British Summer Time */
+ {"bt", TokenField.TZ, 12}, /* Baghdad Time */
+ {"btt", TokenField.TZ, 24}, /* Bhutan Time */
+ {"cadt", TokenField.DTZ, 42}, /* Central Australian DST */
+ {"cast", TokenField.TZ, 38}, /* Central Australian ST */
+ {"cat", TokenField.TZ, -40}, /* Central Alaska Time */
+ {"cct", TokenField.TZ, 32}, /* China Coast Time */
+ {"cdt", TokenField.DTZ, -20}, /* Central Daylight Time */
+ {"cest", TokenField.DTZ, 8}, /* Central European Dayl.Time */
+ {"cet", TokenField.TZ, 4}, /* Central European Time */
+ {"cetdst", TokenField.DTZ, 8}, /* Central European Dayl.Time */
+ {"chadt", TokenField.DTZ, 55}, /* Chatham Island Daylight Time (13:45)
*/
+ {"chast", TokenField.TZ, 51}, /* Chatham Island Time (12:45)
*/
+ {"ckt", TokenField.TZ, 48}, /* Cook Islands Time */
+ {"clst", TokenField.DTZ, -12}, /* Chile Summer Time */
+ {"clt", TokenField.TZ, -16}, /* Chile Time */
+ {"cot", TokenField.TZ, -20}, /* Columbia Time */
+ {"cst", TokenField.TZ, -24}, /* Central Standard Time */
+ {DCURRENT, TokenField.RESERV, TokenField.DTK_CURRENT}, /* "current" is
always now */
+ {"cvt", TokenField.TZ, 28}, /* Christmas Island Time
(Indian Ocean) */
+ {"cxt", TokenField.TZ, 28}, /* Christmas Island Time
(Indian Ocean) */
+ {"d", TokenField.UNITS, TokenField.DTK_DAY}, /* "day of
month" for ISO input */
+ {"davt", TokenField.TZ, 28}, /* Davis Time (Antarctica) */
+ {"ddut", TokenField.TZ, 40}, /* Dumont-d'Urville Time
(Antarctica) */
+ {"dec", TokenField.MONTH, 12},
+ {"december", TokenField.MONTH, 12},
+ {"dnt", TokenField.TZ, 4}, /* Dansk Normal Tid */
+ {"dow", TokenField.RESERV, TokenField.DTK_DOW}, /* day of week */
+ {"doy", TokenField.RESERV, TokenField.DTK_DOY}, /* day of year */
+ {"dst", TokenField.DTZMOD, 6},
+ {"easst", TokenField.DTZ, -20}, /* Easter Island Summer Time */
+ {"east", TokenField.TZ, -24}, /* Easter Island Time */
+ {"eat", TokenField.TZ, 12}, /* East Africa Time */
+ {"edt", TokenField.DTZ, -16}, /* Eastern Daylight Time */
+ {"eest", TokenField.DTZ, 12}, /* Eastern Europe Summer Time */
+ {"eet", TokenField.TZ, 8}, /* East. Europe, USSR Zone 1 */
+ {"eetdst", TokenField.DTZ, 12}, /* Eastern Europe Daylight Time */
+ {"egst", TokenField.DTZ, 0}, /* East Greenland Summer Time */
+ {"egt", TokenField.TZ, -4}, /* East Greenland Time */
+ {EPOCH, TokenField.RESERV, TokenField.DTK_EPOCH}, /* "epoch" reserved for
system epoch time */
+ {"est", TokenField.TZ, -20}, /* Eastern Standard Time */
+ {"feb", TokenField.MONTH, 2},
+ {"february", TokenField.MONTH, 2},
+ {"fjst", TokenField.DTZ, -52}, /* Fiji Summer Time (13 hour
offset!) */
+ {"fjt", TokenField.TZ, -48}, /* Fiji Time */
+ {"fkst", TokenField.DTZ, -12}, /* Falkland Islands Summer Time
*/
+ {"fkt", TokenField.TZ, -8}, /* Falkland Islands Time */
+ {"fri", TokenField.DOW, 5},
+ {"friday", TokenField.DOW, 5},
+ {"fst", TokenField.TZ, 4}, /* French Summer Time */
+ {"fwt", TokenField.DTZ, 8}, /* French Winter Time */
+ {"galt", TokenField.TZ, -24}, /* Galapagos Time */
+ {"gamt", TokenField.TZ, -36}, /* Gambier Time */
+ {"gest", TokenField.DTZ, 20}, /* Georgia Summer Time */
+ {"get", TokenField.TZ, 16}, /* Georgia Time */
+ {"gft", TokenField.TZ, -12}, /* French Guiana Time */
+ {"gilt", TokenField.TZ, 48}, /* Gilbert Islands Time */
+ {"gmt", TokenField.TZ, 0}, /* Greenwish Mean Time */
+ {"gst", TokenField.TZ, 40}, /* Guam Std Time, USSR Zone 9 */
+ {"gyt", TokenField.TZ, -16}, /* Guyana Time */
+ {"h", TokenField.UNITS, TokenField.DTK_HOUR}, /* "hour" */
+ {"hdt", TokenField.DTZ, -36}, /* Hawaii/Alaska Daylight Time
*/
+ {"hkt", TokenField.TZ, 32}, /* Hong Kong Time */
+ {"hst", TokenField.TZ, -40}, /* Hawaii Std Time */
+ {"ict", TokenField.TZ, 28}, /* Indochina Time */
+ {"idle", TokenField.TZ, 48}, /* Intl. Date Line, East */
+ {"idlw", TokenField.TZ, -48}, /* Intl. Date Line, West */
+ {LATE, TokenField.RESERV, TokenField.DTK_LATE}, /* "infinity" reserved
for "late time" */
+ {INVALID, TokenField.RESERV, TokenField.DTK_INVALID}, /*
"invalid" reserved for bad time */
+ {"iot", TokenField.TZ, 20}, /* Indian Chagos Time */
+ {"irkst", TokenField.DTZ, 36}, /* Irkutsk Summer Time */
+ {"irkt", TokenField.TZ, 32}, /* Irkutsk Time */
+ {"irt", TokenField.TZ, 14}, /* Iran Time */
+ {"isodow", TokenField.RESERV, TokenField.DTK_ISODOW}, /* ISO
day of week, Sunday == 7 */
+ {"ist", TokenField.TZ, 8}, /* Israel */
+ {"it", TokenField.TZ, 14}, /* Iran Time */
+ {"j", TokenField.UNITS, TokenField.DTK_JULIAN},
+ {"jan", TokenField.MONTH, 1},
+ {"january", TokenField.MONTH, 1},
+ {"javt", TokenField.TZ, 28}, /* Java Time (07:00? see JT) */
+ {"jayt", TokenField.TZ, 36}, /* Jayapura Time (Indonesia) */
+ {"jd", TokenField.UNITS, TokenField.DTK_JULIAN},
+ {"jst", TokenField.TZ, 36}, /* Japan Std Time,USSR Zone 8 */
+ {"jt", TokenField.TZ, 30}, /* Java Time (07:30? see JAVT) */
+ {"jul", TokenField.MONTH, 7},
+ {"julian", TokenField.UNITS, TokenField.DTK_JULIAN},
+ {"july", TokenField.MONTH, 7},
+ {"jun", TokenField.MONTH, 6},
+ {"june", TokenField.MONTH, 6},
+ {"kdt", TokenField.DTZ, 40}, /* Korea Daylight Time */
+ {"kgst", TokenField.DTZ, 24}, /* Kyrgyzstan Summer Time */
+ {"kgt", TokenField.TZ, 20}, /* Kyrgyzstan Time */
+ {"kost", TokenField.TZ, 48}, /* Kosrae Time */
+ {"krast", TokenField.DTZ, 28}, /* Krasnoyarsk Summer Time */
+ {"krat", TokenField.TZ, 32}, /* Krasnoyarsk Standard Time */
+ {"kst", TokenField.TZ, 36}, /* Korea Standard Time */
+ {"lhdt", TokenField.DTZ, 44}, /* Lord Howe Daylight Time,
Australia */
+ {"lhst", TokenField.TZ, 42}, /* Lord Howe Standard Time,
Australia */
+ {"ligt", TokenField.TZ, 40}, /* From Melbourne, Australia */
+ {"lint", TokenField.TZ, 56}, /* Line Islands Time (Kiribati;
+14 hours!) */
+ {"lkt", TokenField.TZ, 24}, /* Lanka Time */
+ {"m", TokenField.UNITS, TokenField.DTK_MONTH}, /* "month" for ISO
input */
+ {"magst", TokenField.DTZ, 48}, /* Magadan Summer Time */
+ {"magt", TokenField.TZ, 44}, /* Magadan Time */
+ {"mar", TokenField.MONTH, 3},
+ {"march", TokenField.MONTH, 3},
+ {"mart", TokenField.TZ, -38}, /* Marquesas Time */
+ {"mawt", TokenField.TZ, 24}, /* Mawson, Antarctica */
+ {"may", TokenField.MONTH, 5},
+ {"mdt", TokenField.DTZ, -24}, /* Mountain Daylight Time */
+ {"mest", TokenField.DTZ, 8}, /* Middle Europe Summer Time */
+ {"met", TokenField.TZ, 4}, /* Middle Europe Time */
+ {"metdst", TokenField.DTZ, 8}, /* Middle Europe Daylight Time */
+ {"mewt", TokenField.TZ, 4}, /* Middle Europe Winter Time */
+ {"mez", TokenField.TZ, 4}, /* Middle Europe Zone */
+ {"mht", TokenField.TZ, 48}, /* Kwajalein */
+ {"mm", TokenField.UNITS, TokenField.DTK_MINUTE}, /* "minute" for ISO
input */
+ {"mmt", TokenField.TZ, 26}, /* Myannar Time */
+ {"mon", TokenField.DOW, 1},
+ {"monday", TokenField.DOW, 1},
+ {"mpt", TokenField.TZ, 40}, /* North Mariana Islands Time */
+ {"msd", TokenField.DTZ, 16}, /* Moscow Summer Time */
+ {"msk", TokenField.TZ, 12}, /* Moscow Time */
+ {"mst", TokenField.TZ, -28}, /* Mountain Standard Time */
+ {"mt", TokenField.TZ, 34}, /* Moluccas Time */
+ {"mut", TokenField.TZ, 16}, /* Mauritius Island Time */
+ {"mvt", TokenField.TZ, 20}, /* Maldives Island Time */
+ {"myt", TokenField.TZ, 32}, /* Malaysia Time */
+ {"nct", TokenField.TZ, 44}, /* New Caledonia Time */
+ {"ndt", TokenField.DTZ, -10}, /* Nfld. Daylight Time */
+ {"nft", TokenField.TZ, -14}, /* Newfoundland Standard Time */
+ {"nor", TokenField.TZ, 4}, /* Norway Standard Time */
+ {"nov", TokenField.MONTH, 11},
+ {"november", TokenField.MONTH, 11},
+ {"novst", TokenField.DTZ, 28}, /* Novosibirsk Summer Time */
+ {"novt", TokenField.TZ, 24}, /* Novosibirsk Standard Time */
+ {NOW, TokenField.RESERV, TokenField.DTK_NOW}, /* current
transaction time */
+ {"npt", TokenField.TZ, 23}, /* Nepal Standard Time
(GMT-5:45) */
+ {"nst", TokenField.TZ, -14}, /* Nfld. Standard Time */
+ {"nt", TokenField.TZ, -44}, /* Nome Time */
+ {"nut", TokenField.TZ, -44}, /* Niue Time */
+ {"nzdt", TokenField.DTZ, 52}, /* New Zealand Daylight Time */
+ {"nzst", TokenField.TZ, 48}, /* New Zealand Standard Time */
+ {"nzt", TokenField.TZ, 48}, /* New Zealand Time */
+ {"oct", TokenField.MONTH, 10},
+ {"october", TokenField.MONTH, 10},
+ {"omsst", TokenField.DTZ, 28}, /* Omsk Summer Time */
+ {"omst", TokenField.TZ, 24}, /* Omsk Time */
+ {"on", TokenField.IGNORE_DTF, 0}, /* "on" (throwaway) */
+ {"pdt", TokenField.DTZ, -28}, /* Pacific Daylight Time */
+ {"pet", TokenField.TZ, -20}, /* Peru Time */
+ {"petst", TokenField.DTZ, 52}, /* Petropavlovsk-Kamchatski Summer Time
*/
+ {"pett", TokenField.TZ, 48}, /* Petropavlovsk-Kamchatski
Time */
+ {"pgt", TokenField.TZ, 40}, /* Papua New Guinea Time */
+ {"phot", TokenField.TZ, 52}, /* Phoenix Islands (Kiribati)
Time */
+ {"pht", TokenField.TZ, 32}, /* Philippine Time */
+ {"pkt", TokenField.TZ, 20}, /* Pakistan Time */
+ {"pm", TokenField.AMPM, TokenField.PM},
+ {"pmdt", TokenField.DTZ, -8}, /* Pierre & Miquelon Daylight
Time */
+ {"pont", TokenField.TZ, 44}, /* Ponape Time (Micronesia) */
+ {"pst", TokenField.TZ, -32}, /* Pacific Standard Time */
+ {"pwt", TokenField.TZ, 36}, /* Palau Time */
+ {"pyst", TokenField.DTZ, -12}, /* Paraguay Summer Time */
+ {"pyt", TokenField.TZ, -16}, /* Paraguay Time */
+ {"ret", TokenField.DTZ, 16}, /* Reunion Island Time */
+ {"s", TokenField.UNITS, TokenField.DTK_SECOND}, /* "seconds" for ISO
input */
+ {"sadt", TokenField.DTZ, 42}, /* S. Australian Dayl. Time */
+ {"sast", TokenField.TZ, 38}, /* South Australian Std Time */
+ {"sat", TokenField.DOW, 6},
+ {"saturday", TokenField.DOW, 6},
+ {"sct", TokenField.DTZ, 16}, /* Mahe Island Time */
+ {"sep", TokenField.MONTH, 9},
+ {"sept", TokenField.MONTH, 9},
+ {"september", TokenField.MONTH, 9},
+ {"set", TokenField.TZ, -4}, /* Seychelles Time ?? */
+ {"sst", TokenField.DTZ, 8}, /* Swedish Summer Time */
+ {"sun", TokenField.DOW, 0},
+ {"sunday", TokenField.DOW, 0},
+ {"swt", TokenField.TZ, 4}, /* Swedish Winter Time */
+ {"t", TokenField.ISOTIME, TokenField.DTK_TIME}, /* Filler for ISO time
fields */
+ {"tft", TokenField.TZ, 20}, /* Kerguelen Time */
+ {"that", TokenField.TZ, -40}, /* Tahiti Time */
+ {"thu", TokenField.DOW, 4},
+ {"thur", TokenField.DOW, 4},
+ {"thurs", TokenField.DOW, 4},
+ {"thursday", TokenField.DOW, 4},
+ {"tjt", TokenField.TZ, 20}, /* Tajikistan Time */
+ {"tkt", TokenField.TZ, -40}, /* Tokelau Time */
+ {"tmt", TokenField.TZ, 20}, /* Turkmenistan Time */
+ {TODAY, TokenField.RESERV, TokenField.DTK_TODAY}, /* midnight */
+ {TOMORROW, TokenField.RESERV, TokenField.DTK_TOMORROW}, /* tomorrow
midnight */
+ {"truk", TokenField.TZ, 40}, /* Truk Time */
+ {"tue", TokenField.DOW, 2},
+ {"tues", TokenField.DOW, 2},
+ {"tuesday", TokenField.DOW, 2},
+ {"tvt", TokenField.TZ, 48}, /* Tuvalu Time */
+ {"ulast", TokenField.DTZ, 36}, /* Ulan Bator Summer Time */
+ {"ulat", TokenField.TZ, 32}, /* Ulan Bator Time */
+ {"undefined", TokenField.RESERV, TokenField.DTK_INVALID}, /* pre-v6.1
invalid time */
+ {"ut", TokenField.TZ, 0},
+ {"utc", TokenField.TZ, 0},
+ {"uyst", TokenField.DTZ, -8}, /* Uruguay Summer Time */
+ {"uyt", TokenField.TZ, -12}, /* Uruguay Time */
+ {"uzst", TokenField.DTZ, 24}, /* Uzbekistan Summer Time */
+ {"uzt", TokenField.TZ, 20}, /* Uzbekistan Time */
+ {"vet", TokenField.TZ, -16}, /* Venezuela Time */
+ {"vlast", TokenField.DTZ, 44}, /* Vladivostok Summer Time */
+ {"vlat", TokenField.TZ, 40}, /* Vladivostok Time */
+ {"vut", TokenField.TZ, 44}, /* Vanuata Time */
+ {"wadt", TokenField.DTZ, 32}, /* West Australian DST */
+ {"wakt", TokenField.TZ, 48}, /* Wake Time */
+ {"wast", TokenField.TZ, 28}, /* West Australian Std Time */
+ {"wat", TokenField.TZ, -4}, /* West Africa Time */
+ {"wdt", TokenField.DTZ, 36}, /* West Australian DST */
+ {"wed", TokenField.DOW, 3},
+ {"wednesday", TokenField.DOW, 3},
+ {"weds", TokenField.DOW, 3},
+ {"west", TokenField.DTZ, 4}, /* Western Europe Summer Time */
+ {"wet", TokenField.TZ, 0}, /* Western Europe */
+ {"wetdst", TokenField.DTZ, 4}, /* Western Europe Daylight Savings Time
*/
+ {"wft", TokenField.TZ, 48}, /* Wallis and Futuna Time */
+ {"wgst", TokenField.DTZ, -8}, /* West Greenland Summer Time */
+ {"wgt", TokenField.TZ, -12}, /* West Greenland Time */
+ {"wst", TokenField.TZ, 32}, /* West Australian Standard
Time */
+ {"y", TokenField.UNITS, TokenField.DTK_YEAR}, /* "year" for
ISO input */
+ {"yakst", TokenField.DTZ, 40}, /* Yakutsk Summer Time */
+ {"yakt", TokenField.TZ, 36}, /* Yakutsk Time */
+ {"yapt", TokenField.TZ, 40}, /* Yap Time (Micronesia) */
+ {"ydt", TokenField.DTZ, -32}, /* Yukon Daylight Time */
+ {"yekst", TokenField.DTZ, 24}, /* Yekaterinburg Summer Time */
+ {"yekt", TokenField.TZ, 20}, /* Yekaterinburg Time */
+ {YESTERDAY, TokenField.RESERV, TokenField.DTK_YESTERDAY}, /* yesterday
midnight */
+ {"yst", TokenField.TZ, -36}, /* Yukon Standard Time */
+ {"z", TokenField.TZ, 0}, /* time zone tag per ISO-8601 */
+ {"zp4", TokenField.TZ, -16}, /* UTC +4 hours. */
+ {"zp5", TokenField.TZ, -20}, /* UTC +5 hours. */
+ {"zp6", TokenField.TZ, -24}, /* UTC +6 hours. */
+ {ZULU, TokenField.TZ, 0}, /* UTC */
+ };
+
+ static Object[][] deltatktbl = {
+ /* text, token, lexval */
+ {"@", TokenField.IGNORE_DTF, 0}, /* postgres relative prefix */
+ {DAGO, TokenField.AGO, 0}, /* "ago" indicates
negative time offset */
+ {"c", TokenField.UNITS, TokenField.DTK_CENTURY}, /* "century" relative */
+ {"cent", TokenField.UNITS, TokenField.DTK_CENTURY}, /*
"century" relative */
+ {"centuries", TokenField.UNITS, TokenField.DTK_CENTURY}, /* "centuries"
relative */
+ {DCENTURY, TokenField.UNITS, TokenField.DTK_CENTURY}, /*
"century" relative */
+ {"d", TokenField.UNITS, TokenField.DTK_DAY}, /* "day"
relative */
+ {DDAY, TokenField.UNITS, TokenField.DTK_DAY}, /* "day"
relative */
+ {"days_full", TokenField.UNITS, TokenField.DTK_DAY}, /* "days_full"
relative */
+ {"dec", TokenField.UNITS, TokenField.DTK_DECADE}, /* "decade" relative */
+ {DDECADE, TokenField.UNITS, TokenField.DTK_DECADE}, /*
"decade" relative */
+ {"decades", TokenField.UNITS, TokenField.DTK_DECADE}, /*
"decades" relative */
+ {"decs", TokenField.UNITS, TokenField.DTK_DECADE}, /* "decades" relative */
+ {"h", TokenField.UNITS, TokenField.DTK_HOUR}, /* "hour"
relative */
+ {DHOUR, TokenField.UNITS, TokenField.DTK_HOUR}, /* "hour" relative */
+ {"hours", TokenField.UNITS, TokenField.DTK_HOUR}, /* "hours" relative */
+ {"hr", TokenField.UNITS, TokenField.DTK_HOUR}, /* "hour" relative */
+ {"hrs", TokenField.UNITS, TokenField.DTK_HOUR}, /* "hours" relative */
+ {INVALID, TokenField.RESERV, TokenField.DTK_INVALID}, /*
reserved for invalid time */
+ {"m", TokenField.UNITS, TokenField.DTK_MINUTE}, /* "minute" relative */
+ {"microsecon", TokenField.UNITS, TokenField.DTK_MICROSEC}, /*
"microsecond" relative */
+ {"mil", TokenField.UNITS, TokenField.DTK_MILLENNIUM}, /*
"millennium" relative */
+ {"millennia", TokenField.UNITS, TokenField.DTK_MILLENNIUM},
/* "millennia" relative */
+ {DMILLENNIUM, TokenField.UNITS, TokenField.DTK_MILLENNIUM},
/* "millennium" relative */
+ {"millisecon", TokenField.UNITS, TokenField.DTK_MILLISEC}, /*
relative */
+ {"mils", TokenField.UNITS, TokenField.DTK_MILLENNIUM}, /* "millennia"
relative */
+ {"min", TokenField.UNITS, TokenField.DTK_MINUTE}, /* "minute" relative */
+ {"mins", TokenField.UNITS, TokenField.DTK_MINUTE}, /* "minutes" relative */
+ {DMINUTE, TokenField.UNITS, TokenField.DTK_MINUTE}, /*
"minute" relative */
+ {"minutes", TokenField.UNITS, TokenField.DTK_MINUTE}, /*
"minutes" relative */
+ {"mon", TokenField.UNITS, TokenField.DTK_MONTH}, /* "months_short"
relative */
+ {"mons", TokenField.UNITS, TokenField.DTK_MONTH}, /* "months_short"
relative */
+ {DMONTH, TokenField.UNITS, TokenField.DTK_MONTH}, /* "month" relative */
+ {"months_short", TokenField.UNITS, TokenField.DTK_MONTH},
+ {"ms", TokenField.UNITS, TokenField.DTK_MILLISEC},
+ {"msec", TokenField.UNITS, TokenField.DTK_MILLISEC},
+ {DMILLISEC, TokenField.UNITS, TokenField.DTK_MILLISEC},
+ {"mseconds", TokenField.UNITS, TokenField.DTK_MILLISEC},
+ {"msecs", TokenField.UNITS, TokenField.DTK_MILLISEC},
+ {"qtr", TokenField.UNITS, TokenField.DTK_QUARTER}, /* "quarter" relative */
+ {DQUARTER, TokenField.UNITS, TokenField.DTK_QUARTER}, /*
"quarter" relative */
+ {"s", TokenField.UNITS, TokenField.DTK_SECOND},
+ {"sec", TokenField.UNITS, TokenField.DTK_SECOND},
+ {DSECOND, TokenField.UNITS, TokenField.DTK_SECOND},
+ {"seconds", TokenField.UNITS, TokenField.DTK_SECOND},
+ {"secs", TokenField.UNITS, TokenField.DTK_SECOND},
+ {DTIMEZONE, TokenField.UNITS, TokenField.DTK_TZ}, /* "timezone" time
offset */
+ {"timezone_h", TokenField.UNITS, TokenField.DTK_TZ_HOUR}, /* timezone hour
units */
+ {"timezone_m", TokenField.UNITS, TokenField.DTK_TZ_MINUTE},
/* timezone minutes units */
+ {"undefined", TokenField.RESERV, TokenField.DTK_INVALID}, /* pre-v6.1
invalid time */
+ {"us", TokenField.UNITS, TokenField.DTK_MICROSEC}, /* "microsecond"
relative */
+ {"usec", TokenField.UNITS, TokenField.DTK_MICROSEC}, /*
"microsecond" relative */
+ {DMICROSEC, TokenField.UNITS, TokenField.DTK_MICROSEC}, /*
"microsecond" relative */
+ {"useconds", TokenField.UNITS, TokenField.DTK_MICROSEC}, /*
"microseconds" relative */
+ {"usecs", TokenField.UNITS, TokenField.DTK_MICROSEC}, /*
"microseconds" relative */
+ {"w", TokenField.UNITS, TokenField.DTK_WEEK}, /* "week"
relative */
+ {DWEEK, TokenField.UNITS, TokenField.DTK_WEEK}, /* "week" relative */
+ {"weeks", TokenField.UNITS, TokenField.DTK_WEEK}, /* "weeks" relative */
+ {"y", TokenField.UNITS, TokenField.DTK_YEAR}, /* "year"
relative */
+ {DYEAR, TokenField.UNITS, TokenField.DTK_YEAR}, /* "year" relative */
+ {"years", TokenField.UNITS, TokenField.DTK_YEAR}, /* "years" relative */
+ {"yr", TokenField.UNITS, TokenField.DTK_YEAR}, /* "year" relative */
+ {"yrs", TokenField.UNITS, TokenField.DTK_YEAR}, /* "years" relative */
+ };
+
+ public static class DateToken {
+ String key;
+ TokenField type;
+ int value;
+ TokenField valueType;
+
+ public String getKey() {
+ return key;
+ }
+
+ public TokenField getType() {
+ return type;
+ }
+
+ public int getValue() {
+ return value;
+ }
+
+ public TokenField getValueType() {
+ return valueType;
+ }
+ }
+ public static Map<String, DateToken> dateTokenMap = new HashMap<String,
DateToken>();
+
+ static {
+ for (Object[] eachToken: datetktbl) {
+ DateToken dateToken = new DateToken();
+ dateToken.key = eachToken[0].toString();
+ dateToken.type = (TokenField)eachToken[1];
+ if (eachToken[2] instanceof TokenField) {
+ dateToken.valueType = (TokenField)eachToken[2];
+ dateToken.value = dateToken.valueType.getValue();
+ } else {
+ dateToken.valueType = TokenField.DECIMAL;
+ dateToken.value = ((Integer)eachToken[2]).intValue();
+ }
+ dateTokenMap.put(dateToken.key, dateToken);
+ }
+
+ for (Object[] eachToken: deltatktbl) {
+ DateToken dateToken = new DateToken();
+ dateToken.key = eachToken[0].toString();
+ dateToken.type = (TokenField)eachToken[1];
+ if (eachToken[2] instanceof TokenField) {
+ dateToken.valueType = (TokenField)eachToken[2];
+ dateToken.value = dateToken.valueType.getValue();
+ } else {
+ dateToken.valueType = TokenField.DECIMAL;
+ dateToken.value = ((Integer)eachToken[2]).intValue();
+ }
+ dateTokenMap.put(dateToken.key, dateToken);
+ }
+ }
+
+ public static int INTERVAL_MASK(TokenField t) { return (1 <<
(t.getValue())); }
+ public static int DTK_M(TokenField t) { return (0x01 << (t.getValue())); }
+
+ public static final int DTK_ALL_SECS_M = (DTK_M(TokenField.SECOND) |
+ DTK_M(TokenField.MILLISECOND) |
+ DTK_M(TokenField.MICROSECOND));
+ public static final int DTK_DATE_M = (DTK_M(TokenField.YEAR) |
DTK_M(TokenField.MONTH) | DTK_M(TokenField.DAY));
+ public static final int DTK_TIME_M = (DTK_M(TokenField.HOUR) |
DTK_M(TokenField.MINUTE) | DTK_M(TokenField.SECOND));
+}
