mirror of https://github.com/postgres/postgres
Fix datetime input parsing to accept YYYY-MONTHNAME-DD and related syntaxes,
which had been unintentionally broken by recent changes to tighten up the DateStyle rules for all-numeric date input. Add documentation and regression tests for this, too.
This commit is contained in:
Tom Lane
parent
41e95ee086
commit
fc2e2ef64e
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.128.2.2 2003/11/06 22:21:55 tgl Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.128.2.3 2003/11/16 20:29:34 tgl Exp $
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-->
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<chapter id="datatype">
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@ -1464,7 +1464,7 @@ SELECT b, char_length(b) FROM test2;
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</row>
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<row>
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<entry>1999-01-08</entry>
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<entry>ISO 8601, January 8 in any mode
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<entry>ISO 8601; January 8 in any mode
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(recommended format)</entry>
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</row>
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<row>
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@ -1484,6 +1484,30 @@ SELECT b, char_length(b) FROM test2;
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February 3, 2001 in <literal>YMD</> mode
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</entry>
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</row>
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<row>
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<entry>1999-Jan-08</entry>
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<entry>January 8 in any mode</entry>
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</row>
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<row>
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<entry>Jan-08-1999</entry>
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<entry>January 8 in any mode</entry>
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</row>
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<row>
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<entry>08-Jan-1999</entry>
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<entry>January 8 in any mode</entry>
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</row>
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<row>
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<entry>99-Jan-08</entry>
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<entry>January 8 in <literal>YMD</> mode, else error</entry>
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</row>
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<row>
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<entry>08-Jan-99</entry>
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<entry>January 8, except error in <literal>YMD</> mode</entry>
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</row>
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<row>
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<entry>Jan-08-99</entry>
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<entry>January 8, except error in <literal>YMD</> mode</entry>
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</row>
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<row>
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<entry>19990108</entry>
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<entry>ISO 8601; January 8, 1999 in any mode</entry>
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@ -1625,7 +1649,7 @@ SELECT b, char_length(b) FROM test2;
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</row>
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<row>
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<entry><literal>zulu</literal></entry>
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<entry>Military abbreviation for GMT</entry>
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<entry>Military abbreviation for UTC</entry>
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</row>
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<row>
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<entry><literal>z</literal></entry>
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.118 2003/09/25 06:58:03 petere Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.118.2.1 2003/11/16 20:29:34 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -25,7 +25,7 @@
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#include "utils/guc.h"
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static int DecodeNumber(int flen, char *field,
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static int DecodeNumber(int flen, char *field, bool haveTextMonth,
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int fmask, int *tmask,
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struct tm * tm, fsec_t *fsec, int *is2digits);
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static int DecodeNumberField(int len, char *str,
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@ -924,7 +924,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
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int val;
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int dterr;
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int mer = HR24;
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int haveTextMonth = FALSE;
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bool haveTextMonth = FALSE;
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int is2digits = FALSE;
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int bc = FALSE;
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@ -1281,7 +1281,8 @@ DecodeDateTime(char **field, int *ftype, int nf,
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/* otherwise it is a single date/time field... */
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else
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{
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dterr = DecodeNumber(flen, field[i], fmask,
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dterr = DecodeNumber(flen, field[i],
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haveTextMonth, fmask,
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&tmask, tm,
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fsec, &is2digits);
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if (dterr)
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@ -2032,6 +2033,7 @@ DecodeTimeOnly(char **field, int *ftype, int nf,
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else
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{
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dterr = DecodeNumber(flen, field[i],
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FALSE,
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(fmask | DTK_DATE_M),
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&tmask, tm,
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fsec, &is2digits);
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@ -2229,6 +2231,7 @@ DecodeDate(char *str, int fmask, int *tmask, struct tm * tm)
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int i,
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len;
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int dterr;
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bool haveTextMonth = FALSE;
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int bc = FALSE;
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int is2digits = FALSE;
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int type,
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@ -2283,6 +2286,7 @@ DecodeDate(char *str, int fmask, int *tmask, struct tm * tm)
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{
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case MONTH:
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tm->tm_mon = val;
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haveTextMonth = TRUE;
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break;
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case ADBC:
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@ -2312,7 +2316,7 @@ DecodeDate(char *str, int fmask, int *tmask, struct tm * tm)
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if ((len = strlen(field[i])) <= 0)
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return DTERR_BAD_FORMAT;
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dterr = DecodeNumber(len, field[i], fmask,
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dterr = DecodeNumber(len, field[i], haveTextMonth, fmask,
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&dmask, tm,
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&fsec, &is2digits);
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if (dterr)
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@ -2444,7 +2448,7 @@ DecodeTime(char *str, int fmask, int *tmask, struct tm * tm, fsec_t *fsec)
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* Return 0 if okay, a DTERR code if not.
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*/
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static int
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DecodeNumber(int flen, char *str, int fmask,
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DecodeNumber(int flen, char *str, bool haveTextMonth, int fmask,
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int *tmask, struct tm * tm, fsec_t *fsec, int *is2digits)
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{
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int val;
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@ -2534,10 +2538,59 @@ DecodeNumber(int flen, char *str, int fmask,
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tm->tm_mon = val;
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break;
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case (DTK_M(MONTH)):
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if (haveTextMonth)
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{
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/*
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* We are at the first numeric field of a date that included
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* a textual month name. We want to support the variants
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* MON-DD-YYYY, DD-MON-YYYY, and YYYY-MON-DD as unambiguous
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* inputs. We will also accept MON-DD-YY or DD-MON-YY in
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* either DMY or MDY modes, as well as YY-MON-DD in YMD mode.
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*/
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if (flen >= 3 || DateOrder == DATEORDER_YMD)
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{
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*tmask = DTK_M(YEAR);
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tm->tm_year = val;
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}
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else
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{
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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}
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}
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else
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{
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/* Must be at second field of MM-DD-YY */
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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}
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break;
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case (DTK_M(YEAR) | DTK_M(MONTH)):
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/* Must be at third field of YY-MM-DD */
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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if (haveTextMonth)
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{
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/* Need to accept DD-MON-YYYY even in YMD mode */
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if (flen >= 3 && *is2digits)
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{
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/* Guess that first numeric field is day was wrong */
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*tmask = DTK_M(DAY); /* YEAR is already set */
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tm->tm_mday = tm->tm_year;
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tm->tm_year = val;
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*is2digits = FALSE;
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}
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else
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{
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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}
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}
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else
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{
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/* Must be at third field of YY-MM-DD */
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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}
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break;
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case (DTK_M(DAY)):
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@ -2552,12 +2605,6 @@ DecodeNumber(int flen, char *str, int fmask,
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tm->tm_year = val;
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break;
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case (DTK_M(MONTH)):
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/* Must be at second field of MM-DD-YY */
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*tmask = DTK_M(DAY);
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tm->tm_mday = val;
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break;
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case (DTK_M(YEAR) | DTK_M(MONTH) | DTK_M(DAY)):
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/* we have all the date, so it must be a time field */
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dterr = DecodeNumberField(flen, str, fmask,
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@ -2574,10 +2621,10 @@ DecodeNumber(int flen, char *str, int fmask,
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/*
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* When processing a year field, mark it for adjustment if it's
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* exactly two digits.
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* only one or two digits.
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*/
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if (*tmask == DTK_M(YEAR))
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*is2digits = (flen == 2);
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*is2digits = (flen <= 2);
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return 0;
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}
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@ -62,6 +62,683 @@ SELECT f1 AS "Three" FROM DATE_TBL
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04-03-2000
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(3 rows)
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--
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-- Check all the documented input formats
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--
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SET datestyle TO iso; -- display results in ISO
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SET datestyle TO ymd;
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SELECT date 'January 8, 1999';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999-01-08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999-01-18';
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date
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------------
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1999-01-18
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(1 row)
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SELECT date '1/8/1999';
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ERROR: date/time field value out of range: "1/8/1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '1/18/1999';
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ERROR: date/time field value out of range: "1/18/1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '18/1/1999';
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ERROR: date/time field value out of range: "18/1/1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '01/02/03';
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date
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------------
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2001-02-03
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(1 row)
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SELECT date '19990108';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '990108';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999.008';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date 'J2451187';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date 'January 8, 99 BC';
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ERROR: date/time field value out of range: "January 8, 99 BC"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '99-Jan-08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999-Jan-08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '08-Jan-99';
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ERROR: date/time field value out of range: "08-Jan-99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '08-Jan-1999';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date 'Jan-08-99';
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ERROR: date/time field value out of range: "Jan-08-99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date 'Jan-08-1999';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '99-08-Jan';
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ERROR: invalid input syntax for type date: "99-08-Jan"
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SELECT date '1999-08-Jan';
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ERROR: invalid input syntax for type date: "1999-08-Jan"
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SELECT date '99 Jan 08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999 Jan 08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '08 Jan 99';
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ERROR: date/time field value out of range: "08 Jan 99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '08 Jan 1999';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date 'Jan 08 99';
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ERROR: date/time field value out of range: "Jan 08 99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date 'Jan 08 1999';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '99 08 Jan';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999 08 Jan';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '99-01-08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999-01-08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '08-01-99';
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ERROR: date/time field value out of range: "08-01-99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '08-01-1999';
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ERROR: date/time field value out of range: "08-01-1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '01-08-99';
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ERROR: date/time field value out of range: "01-08-99"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '01-08-1999';
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ERROR: date/time field value out of range: "01-08-1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '99-08-01';
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date
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------------
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1999-08-01
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(1 row)
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SELECT date '1999-08-01';
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date
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------------
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1999-08-01
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(1 row)
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SELECT date '99 01 08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '1999 01 08';
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date
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------------
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1999-01-08
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(1 row)
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SELECT date '08 01 99';
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ERROR: date/time field value out of range: "08 01 99"
|
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '08 01 1999';
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ERROR: date/time field value out of range: "08 01 1999"
|
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HINT: Perhaps you need a different "datestyle" setting.
|
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SELECT date '01 08 99';
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ERROR: date/time field value out of range: "01 08 99"
|
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HINT: Perhaps you need a different "datestyle" setting.
|
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SELECT date '01 08 1999';
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ERROR: date/time field value out of range: "01 08 1999"
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HINT: Perhaps you need a different "datestyle" setting.
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SELECT date '99 08 01';
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date
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------------
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1999-08-01
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(1 row)
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SELECT date '1999 08 01';
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date
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------------
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1999-08-01
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(1 row)
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SET datestyle TO dmy;
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SELECT date 'January 8, 1999';
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date
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------------
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1999-01-08
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(1 row)
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|
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SELECT date '1999-01-08';
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date
|
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------------
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1999-01-08
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(1 row)
|
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|
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SELECT date '1999-01-18';
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date
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------------
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1999-01-18
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(1 row)
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|
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SELECT date '1/8/1999';
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date
|
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------------
|
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1999-08-01
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(1 row)
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|
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SELECT date '1/18/1999';
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ERROR: date/time field value out of range: "1/18/1999"
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HINT: Perhaps you need a different "datestyle" setting.
|
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SELECT date '18/1/1999';
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date
|
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------------
|
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1999-01-18
|
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(1 row)
|
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|
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SELECT date '01/02/03';
|
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date
|
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------------
|
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2003-02-01
|
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(1 row)
|
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|
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SELECT date '19990108';
|
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date
|
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------------
|
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1999-01-08
|
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(1 row)
|
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|
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SELECT date '990108';
|
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date
|
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------------
|
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1999-01-08
|
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(1 row)
|
||||
|
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SELECT date '1999.008';
|
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date
|
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------------
|
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1999-01-08
|
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(1 row)
|
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|
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SELECT date 'J2451187';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'January 8, 99 BC';
|
||||
date
|
||||
---------------
|
||||
0099-01-08 BC
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-Jan-08';
|
||||
ERROR: date/time field value out of range: "99-Jan-08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-Jan-08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-Jan-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-Jan-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan-08-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan-08-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-08-Jan';
|
||||
ERROR: invalid input syntax for type date: "99-08-Jan"
|
||||
SELECT date '1999-08-Jan';
|
||||
ERROR: invalid input syntax for type date: "1999-08-Jan"
|
||||
SELECT date '99 Jan 08';
|
||||
ERROR: date/time field value out of range: "99 Jan 08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999 Jan 08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 Jan 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 Jan 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan 08 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan 08 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 08 Jan';
|
||||
ERROR: invalid input syntax for type date: "99 08 Jan"
|
||||
SELECT date '1999 08 Jan';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-01-08';
|
||||
ERROR: date/time field value out of range: "99-01-08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-01-08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-01-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-01-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '01-08-99';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '01-08-1999';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-08-01';
|
||||
ERROR: date/time field value out of range: "99-08-01"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-08-01';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 01 08';
|
||||
ERROR: date/time field value out of range: "99 01 08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999 01 08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 01 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 01 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '01 08 99';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '01 08 1999';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 08 01';
|
||||
ERROR: date/time field value out of range: "99 08 01"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999 08 01';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SET datestyle TO mdy;
|
||||
SELECT date 'January 8, 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '1999-01-08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '1999-01-18';
|
||||
date
|
||||
------------
|
||||
1999-01-18
|
||||
(1 row)
|
||||
|
||||
SELECT date '1/8/1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '1/18/1999';
|
||||
date
|
||||
------------
|
||||
1999-01-18
|
||||
(1 row)
|
||||
|
||||
SELECT date '18/1/1999';
|
||||
ERROR: date/time field value out of range: "18/1/1999"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '01/02/03';
|
||||
date
|
||||
------------
|
||||
2003-01-02
|
||||
(1 row)
|
||||
|
||||
SELECT date '19990108';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '990108';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '1999.008';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'J2451187';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'January 8, 99 BC';
|
||||
date
|
||||
---------------
|
||||
0099-01-08 BC
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-Jan-08';
|
||||
ERROR: date/time field value out of range: "99-Jan-08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-Jan-08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-Jan-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-Jan-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan-08-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan-08-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-08-Jan';
|
||||
ERROR: invalid input syntax for type date: "99-08-Jan"
|
||||
SELECT date '1999-08-Jan';
|
||||
ERROR: invalid input syntax for type date: "1999-08-Jan"
|
||||
SELECT date '99 Jan 08';
|
||||
ERROR: invalid input syntax for type date: "99 Jan 08"
|
||||
SELECT date '1999 Jan 08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 Jan 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 Jan 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan 08 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date 'Jan 08 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 08 Jan';
|
||||
ERROR: invalid input syntax for type date: "99 08 Jan"
|
||||
SELECT date '1999 08 Jan';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-01-08';
|
||||
ERROR: date/time field value out of range: "99-01-08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-01-08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-01-99';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '08-01-1999';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '01-08-99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '01-08-1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99-08-01';
|
||||
ERROR: date/time field value out of range: "99-08-01"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999-08-01';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 01 08';
|
||||
ERROR: date/time field value out of range: "99 01 08"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999 01 08';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 01 99';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '08 01 1999';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
SELECT date '01 08 99';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '01 08 1999';
|
||||
date
|
||||
------------
|
||||
1999-01-08
|
||||
(1 row)
|
||||
|
||||
SELECT date '99 08 01';
|
||||
ERROR: date/time field value out of range: "99 08 01"
|
||||
HINT: Perhaps you need a different "datestyle" setting.
|
||||
SELECT date '1999 08 01';
|
||||
date
|
||||
------------
|
||||
1999-08-01
|
||||
(1 row)
|
||||
|
||||
RESET datestyle;
|
||||
--
|
||||
-- Simple math
|
||||
-- Leave most of it for the horology tests
|
||||
|
|
|
|||
|
|
@ -28,6 +28,166 @@ SELECT f1 AS "Nine" FROM DATE_TBL WHERE f1 < '2000-01-01';
|
|||
SELECT f1 AS "Three" FROM DATE_TBL
|
||||
WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01';
|
||||
|
||||
--
|
||||
-- Check all the documented input formats
|
||||
--
|
||||
SET datestyle TO iso; -- display results in ISO
|
||||
|
||||
SET datestyle TO ymd;
|
||||
|
||||
SELECT date 'January 8, 1999';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '1999-01-18';
|
||||
SELECT date '1/8/1999';
|
||||
SELECT date '1/18/1999';
|
||||
SELECT date '18/1/1999';
|
||||
SELECT date '01/02/03';
|
||||
SELECT date '19990108';
|
||||
SELECT date '990108';
|
||||
SELECT date '1999.008';
|
||||
SELECT date 'J2451187';
|
||||
SELECT date 'January 8, 99 BC';
|
||||
|
||||
SELECT date '99-Jan-08';
|
||||
SELECT date '1999-Jan-08';
|
||||
SELECT date '08-Jan-99';
|
||||
SELECT date '08-Jan-1999';
|
||||
SELECT date 'Jan-08-99';
|
||||
SELECT date 'Jan-08-1999';
|
||||
SELECT date '99-08-Jan';
|
||||
SELECT date '1999-08-Jan';
|
||||
|
||||
SELECT date '99 Jan 08';
|
||||
SELECT date '1999 Jan 08';
|
||||
SELECT date '08 Jan 99';
|
||||
SELECT date '08 Jan 1999';
|
||||
SELECT date 'Jan 08 99';
|
||||
SELECT date 'Jan 08 1999';
|
||||
SELECT date '99 08 Jan';
|
||||
SELECT date '1999 08 Jan';
|
||||
|
||||
SELECT date '99-01-08';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '08-01-99';
|
||||
SELECT date '08-01-1999';
|
||||
SELECT date '01-08-99';
|
||||
SELECT date '01-08-1999';
|
||||
SELECT date '99-08-01';
|
||||
SELECT date '1999-08-01';
|
||||
|
||||
SELECT date '99 01 08';
|
||||
SELECT date '1999 01 08';
|
||||
SELECT date '08 01 99';
|
||||
SELECT date '08 01 1999';
|
||||
SELECT date '01 08 99';
|
||||
SELECT date '01 08 1999';
|
||||
SELECT date '99 08 01';
|
||||
SELECT date '1999 08 01';
|
||||
|
||||
SET datestyle TO dmy;
|
||||
|
||||
SELECT date 'January 8, 1999';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '1999-01-18';
|
||||
SELECT date '1/8/1999';
|
||||
SELECT date '1/18/1999';
|
||||
SELECT date '18/1/1999';
|
||||
SELECT date '01/02/03';
|
||||
SELECT date '19990108';
|
||||
SELECT date '990108';
|
||||
SELECT date '1999.008';
|
||||
SELECT date 'J2451187';
|
||||
SELECT date 'January 8, 99 BC';
|
||||
|
||||
SELECT date '99-Jan-08';
|
||||
SELECT date '1999-Jan-08';
|
||||
SELECT date '08-Jan-99';
|
||||
SELECT date '08-Jan-1999';
|
||||
SELECT date 'Jan-08-99';
|
||||
SELECT date 'Jan-08-1999';
|
||||
SELECT date '99-08-Jan';
|
||||
SELECT date '1999-08-Jan';
|
||||
|
||||
SELECT date '99 Jan 08';
|
||||
SELECT date '1999 Jan 08';
|
||||
SELECT date '08 Jan 99';
|
||||
SELECT date '08 Jan 1999';
|
||||
SELECT date 'Jan 08 99';
|
||||
SELECT date 'Jan 08 1999';
|
||||
SELECT date '99 08 Jan';
|
||||
SELECT date '1999 08 Jan';
|
||||
|
||||
SELECT date '99-01-08';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '08-01-99';
|
||||
SELECT date '08-01-1999';
|
||||
SELECT date '01-08-99';
|
||||
SELECT date '01-08-1999';
|
||||
SELECT date '99-08-01';
|
||||
SELECT date '1999-08-01';
|
||||
|
||||
SELECT date '99 01 08';
|
||||
SELECT date '1999 01 08';
|
||||
SELECT date '08 01 99';
|
||||
SELECT date '08 01 1999';
|
||||
SELECT date '01 08 99';
|
||||
SELECT date '01 08 1999';
|
||||
SELECT date '99 08 01';
|
||||
SELECT date '1999 08 01';
|
||||
|
||||
SET datestyle TO mdy;
|
||||
|
||||
SELECT date 'January 8, 1999';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '1999-01-18';
|
||||
SELECT date '1/8/1999';
|
||||
SELECT date '1/18/1999';
|
||||
SELECT date '18/1/1999';
|
||||
SELECT date '01/02/03';
|
||||
SELECT date '19990108';
|
||||
SELECT date '990108';
|
||||
SELECT date '1999.008';
|
||||
SELECT date 'J2451187';
|
||||
SELECT date 'January 8, 99 BC';
|
||||
|
||||
SELECT date '99-Jan-08';
|
||||
SELECT date '1999-Jan-08';
|
||||
SELECT date '08-Jan-99';
|
||||
SELECT date '08-Jan-1999';
|
||||
SELECT date 'Jan-08-99';
|
||||
SELECT date 'Jan-08-1999';
|
||||
SELECT date '99-08-Jan';
|
||||
SELECT date '1999-08-Jan';
|
||||
|
||||
SELECT date '99 Jan 08';
|
||||
SELECT date '1999 Jan 08';
|
||||
SELECT date '08 Jan 99';
|
||||
SELECT date '08 Jan 1999';
|
||||
SELECT date 'Jan 08 99';
|
||||
SELECT date 'Jan 08 1999';
|
||||
SELECT date '99 08 Jan';
|
||||
SELECT date '1999 08 Jan';
|
||||
|
||||
SELECT date '99-01-08';
|
||||
SELECT date '1999-01-08';
|
||||
SELECT date '08-01-99';
|
||||
SELECT date '08-01-1999';
|
||||
SELECT date '01-08-99';
|
||||
SELECT date '01-08-1999';
|
||||
SELECT date '99-08-01';
|
||||
SELECT date '1999-08-01';
|
||||
|
||||
SELECT date '99 01 08';
|
||||
SELECT date '1999 01 08';
|
||||
SELECT date '08 01 99';
|
||||
SELECT date '08 01 1999';
|
||||
SELECT date '01 08 99';
|
||||
SELECT date '01 08 1999';
|
||||
SELECT date '99 08 01';
|
||||
SELECT date '1999 08 01';
|
||||
|
||||
RESET datestyle;
|
||||
|
||||
--
|
||||
-- Simple math
|
||||
-- Leave most of it for the horology tests
|
||||
|
|
|
|||
Loading…
Reference in New Issue