Re: matching a timestamp field

From: "BACHELART PIERRE (CIS/SCC)" <pierre(dot)bachelart(at)belgacom(dot)be>
To: "BACHELART PIERRE (CIS/SCC)" <pierre(dot)bachelart(at)belgacom(dot)be>, "pgsql-sql(at)postgresql(dot)org" <pgsql-sql(at)postgresql(dot)org>
Subject: Re: matching a timestamp field
Date: 2012-09-20 12:21:56
Message-ID: 3C56CD7AD881324BB4C60AA5CE2C5CC1172001FC@A04059.BGC.NET
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Hello,

The solution I just found on the Net (Thanks to Samuel Gendler)

ansroc=# select * from s12hwdb where record::text ~ '2012-09-20 11:50:02' limit 5;
host | exchange | rit | board | var | lceid | pceid | mnem | eq | rtyp | rv | cetype | record | type | zone
----------+----------+---------+----------+------+-------+-------+-------+----+------+----+----------+---------------------+------+------
and5032t | and5032t | 01a0301 | 21122994 | ebjb | 0000 | 000c | con3a | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0307 | 21406298 | aaca | 0000 | 000c | mmca | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0309 | 21406298 | aaca | 0000 | 000c | mmca | s | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0311 | 21407930 | aaaa | 0000 | 000c | mmcb | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0313 | 21407932 | abca | 0000 | 000c | mcud | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
(5 rows)

But I still can not find this in the doc.

From: BACHELART PIERRE (CIS/SCC) [mailto:pierre(dot)bachelart(at)belgacom(dot)be]
Sent: Thursday 20 September 2012 13:01
To: pgsql-sql(at)postgresql(dot)org
Subject: matching a timestamp field

Hello,

Why is my sql below accepted in 8.1.19 and refused in 8.4.9 ???
Is there something I have missed in the doc ?

Welcome to psql 8.1.19, the PostgreSQL interactive terminal.
Type: \copyright for distribution terms
\h for help with SQL commands
\? for help with psql commands
\g or terminate with semicolon to execute query
\q to quit

ansroc=# select * from s12hwdb where record ~'2012-09-20' limit 5;
host | exchange | rit | board | var | lceid | pceid | mnem | eq | rtyp | rv | cetype | record | type | zone
----------+----------+---------+----------+------+-------+-------+-------+----+------+----+----------+---------------------+------+------
and5032t | and5032t | 01a0301 | 21122994 | ebjb | 0000 | 000c | con3a | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0307 | 21406298 | aaca | 0000 | 000c | mmca | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0309 | 21406298 | aaca | 0000 | 000c | mmca | s | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0311 | 21407930 | aaaa | 0000 | 000c | mmcb | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
and5032t | and5032t | 01a0313 | 21407932 | abca | 0000 | 000c | mcud | e | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H | a1
(5 rows)

ansroc=# \q

psql (8.4.9)
Type "help" for help.
ansroc=# select * from s12hwdb where record ~'2012-09-20' limit 5;
ERROR: operator does not exist: timestamp without time zone ~ unknown
LINE 1: select * from s12hwdb where record ~'2012-09-20' limit 5;
^
HINT: No operator matches the given name and argument type(s). You might need to add explicit type casts.
ansroc=#

Pierre.
+32 471 68 12 23

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