Remove the datetime keywords ABSTIME and RELTIME, which we'd been treating as
noise words for the last twelve years, for compatibility with Berkeley-era output formatting of the special INVALID values for those datatypes. Considering that the datatypes themselves have been deprecated for awhile, this is taking backwards compatibility a little far. Per gripe from Josh Berkus.
This commit is contained in:
Tom Lane
parent
596efd27ed
commit
0fd85d7879
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/datetime.sgml,v 2.59 2008/02/16 21:51:04 tgl Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/datetime.sgml,v 2.60 2009/03/22 01:12:31 tgl Exp $ -->
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<appendix id="datetime-appendix">
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<title>Date/Time Support</title>
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@ -308,10 +308,6 @@
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</row>
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</thead>
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<tbody>
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<row>
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<entry><literal>ABSTIME</literal></entry>
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<entry>Ignored</entry>
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</row>
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<row>
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<entry><literal>AM</literal></entry>
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<entry>Time is before 12:00</entry>
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@ -339,15 +335,6 @@
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</tbody>
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</tgroup>
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</table>
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<para>
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The key word <literal>ABSTIME</literal> is ignored for historical
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reasons: In very old releases of
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<productname>PostgreSQL</productname>, invalid values of type <type>abstime</type>
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were emitted as <literal>Invalid Abstime</literal>. This is no
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longer the case however and this key word will likely be dropped in
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a future release.
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</para>
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</sect1>
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<sect1 id="datetime-config-files">
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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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* $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.202 2009/03/17 18:39:39 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.203 2009/03/22 01:12:31 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -109,7 +109,6 @@ static int sztimezonetktbl = 0;
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static const datetkn datetktbl[] = {
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/* text, token, lexval */
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{EARLY, RESERV, DTK_EARLY}, /* "-infinity" reserved for "early time" */
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{"abstime", IGNORE_DTF, 0}, /* for pre-v6.1 "Invalid Abstime" */
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{DA_D, ADBC, AD}, /* "ad" for years > 0 */
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{"allballs", RESERV, DTK_ZULU}, /* 00:00:00 */
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{"am", AMPM, AM},
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@ -230,7 +229,6 @@ static datetkn deltatktbl[] = {
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{"msecs", UNITS, DTK_MILLISEC},
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{"qtr", UNITS, DTK_QUARTER}, /* "quarter" relative */
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{DQUARTER, UNITS, DTK_QUARTER}, /* "quarter" relative */
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{"reltime", IGNORE_DTF, 0}, /* pre-v6.1 "Undefined Reltime" */
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{"s", UNITS, DTK_SECOND},
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{"sec", UNITS, DTK_SECOND},
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{DSECOND, UNITS, DTK_SECOND},
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@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/nabstime.c,v 1.159 2009/01/01 17:23:49 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/nabstime.c,v 1.160 2009/03/22 01:12:32 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -30,12 +30,6 @@
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#define MIN_DAYNUM (-24856) /* December 13, 1901 */
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#define MAX_DAYNUM 24854 /* January 18, 2038 */
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#define INVALID_RELTIME_STR "Undefined RelTime"
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#define INVALID_RELTIME_STR_LEN (sizeof(INVALID_RELTIME_STR)-1)
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#define RELTIME_LABEL '@'
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#define RELTIME_PAST "ago"
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#define DIRMAXLEN (sizeof(RELTIME_PAST)-1)
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/*
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* Unix epoch is Jan 1 00:00:00 1970.
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* Postgres knows about times sixty-eight years on either side of that
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.47 2009/02/05 08:28:47 meskes Exp $ */
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.48 2009/03/22 01:12:32 tgl Exp $ */
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#include "postgres_fe.h"
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@ -26,7 +26,6 @@ typedef long AbsoluteTime;
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static datetkn datetktbl[] = {
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/* text, token, lexval */
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{EARLY, RESERV, DTK_EARLY}, /* "-infinity" reserved for "early time" */
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{"abstime", IGNORE_DTF, 0}, /* for pre-v6.1 "Invalid Abstime" */
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{"acsst", DTZ, POS(42)}, /* Cent. Australia */
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{"acst", DTZ, NEG(16)}, /* Atlantic/Porto Acre */
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{"act", TZ, NEG(20)}, /* Atlantic/Porto Acre */
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@ -471,7 +470,6 @@ static datetkn deltatktbl[] = {
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{"msecs", UNITS, DTK_MILLISEC},
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{"qtr", UNITS, DTK_QUARTER}, /* "quarter" relative */
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{DQUARTER, UNITS, DTK_QUARTER}, /* "quarter" relative */
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{"reltime", IGNORE_DTF, 0}, /* pre-v6.1 "Undefined Reltime" */
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{"s", UNITS, DTK_SECOND},
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{"sec", UNITS, DTK_SECOND},
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{DSECOND, UNITS, DTK_SECOND},
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@ -84,20 +84,16 @@ INSERT INTO TIMESTAMP_TBL VALUES ('invalid');
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ERROR: date/time value "invalid" is no longer supported
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LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('invalid');
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^
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INSERT INTO TIMESTAMP_TBL VALUES ('undefined');
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ERROR: date/time value "undefined" is no longer supported
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LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('undefined');
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^
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INSERT INTO TIMESTAMP_TBL VALUES ('current');
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ERROR: date/time value "current" is no longer supported
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LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('current');
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^
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-- Postgres v6.0 standard output format
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INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST');
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INSERT INTO TIMESTAMP_TBL VALUES ('Invalid Abstime');
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ERROR: date/time value "Invalid Abstime" is no longer supported
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LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('Invalid Abstime');
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^
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INSERT INTO TIMESTAMP_TBL VALUES ('Undefined Abstime');
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ERROR: date/time value "Undefined Abstime" is no longer supported
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LINE 1: INSERT INTO TIMESTAMP_TBL VALUES ('Undefined Abstime');
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^
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-- Variations on Postgres v6.1 standard output format
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INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST');
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INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST');
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@ -83,20 +83,16 @@ INSERT INTO TIMESTAMPTZ_TBL VALUES ('invalid');
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ERROR: date/time value "invalid" is no longer supported
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LINE 1: INSERT INTO TIMESTAMPTZ_TBL VALUES ('invalid');
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^
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('undefined');
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ERROR: date/time value "undefined" is no longer supported
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LINE 1: INSERT INTO TIMESTAMPTZ_TBL VALUES ('undefined');
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^
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('current');
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ERROR: date/time value "current" is no longer supported
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LINE 1: INSERT INTO TIMESTAMPTZ_TBL VALUES ('current');
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^
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-- Postgres v6.0 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Invalid Abstime');
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ERROR: date/time value "Invalid Abstime" is no longer supported
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LINE 1: INSERT INTO TIMESTAMPTZ_TBL VALUES ('Invalid Abstime');
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^
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Undefined Abstime');
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ERROR: date/time value "Undefined Abstime" is no longer supported
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LINE 1: INSERT INTO TIMESTAMPTZ_TBL VALUES ('Undefined Abstime');
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^
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-- Variations on Postgres v6.1 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST');
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@ -52,12 +52,11 @@ INSERT INTO TIMESTAMP_TBL VALUES ('infinity');
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INSERT INTO TIMESTAMP_TBL VALUES ('epoch');
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-- Obsolete special values
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INSERT INTO TIMESTAMP_TBL VALUES ('invalid');
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INSERT INTO TIMESTAMP_TBL VALUES ('undefined');
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INSERT INTO TIMESTAMP_TBL VALUES ('current');
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-- Postgres v6.0 standard output format
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INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST');
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INSERT INTO TIMESTAMP_TBL VALUES ('Invalid Abstime');
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INSERT INTO TIMESTAMP_TBL VALUES ('Undefined Abstime');
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-- Variations on Postgres v6.1 standard output format
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INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST');
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@ -51,12 +51,11 @@ INSERT INTO TIMESTAMPTZ_TBL VALUES ('infinity');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('epoch');
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-- Obsolete special values
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('invalid');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('undefined');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('current');
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-- Postgres v6.0 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Invalid Abstime');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Undefined Abstime');
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-- Variations on Postgres v6.1 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST');
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