matching a timestamp field - Mailing list pgsql-sql

<div class="WordSection1"><p class="MsoNormal">Hello,<p class="MsoNormal"> <p class="MsoNormal"> <p
class="MsoNormal">Whyis my sql below accepted in 8.1.19 and refused in 8.4.9 ???<p class="MsoNormal">Is there something
Ihave missed in the doc ?<p class="MsoNormal"> <p class="MsoNormal"> <p class="MsoNormal">Welcome to psql 8.1.19, the
PostgreSQLinteractive terminal.<p class="MsoNormal">Type:  \copyright for distribution terms<p class="MsoNormal">      
\hfor help with SQL commands<p class="MsoNormal">       \? for help with psql commands<p class="MsoNormal">       \g or
terminatewith semicolon to execute query<p class="MsoNormal">       \q to quit<p class="MsoNormal"> <p
class="MsoNormal">ansroc=#select * from s12hwdb where record ~'2012-09-20' limit 5;<p class="MsoNormal">   host   |
exchange|   rit   |  board   | var  | lceid | pceid | mnem  | eq | rtyp | rv |  cetype  |       record        | type |
zone<p
class="MsoNormal">----------+----------+---------+----------+------+-------+-------+-------+----+------+----+----------+---------------------+------+------<p
class="MsoNormal">and5032t| and5032t | 01a0301 | 21122994 | ebjb | 0000  | 000c  | con3a | e  | ef03 | b1 | plce#xfx |
2012-09-2011:50:02 | H    | a1<p class="MsoNormal">and5032t | and5032t | 01a0307 | 21406298 | aaca | 0000  | 000c  |
mmca | e  | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H    | a1<p class="MsoNormal">and5032t | and5032t | 01a0309 |
21406298| aaca | 0000  | 000c  | mmca  | s  | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H    | a1<p
class="MsoNormal">and5032t| and5032t | 01a0311 | 21407930 | aaaa | 0000  | 000c  | mmcb  | e  | ef03 | b1 | plce#xfx |
2012-09-2011:50:02 | H    | a1<p class="MsoNormal">and5032t | and5032t | 01a0313 | 21407932 | abca | 0000  | 000c  |
mcud | e  | ef03 | b1 | plce#xfx | 2012-09-20 11:50:02 | H    | a1<p class="MsoNormal">(5 rows)<p class="MsoNormal"> <p
class="MsoNormal">ansroc=#\q<p class="MsoNormal"> <p class="MsoNormal"> <p class="MsoNormal"> <p class="MsoNormal">psql
(8.4.9)<pclass="MsoNormal">Type "help" for help.<p class="MsoNormal">ansroc=# select * from s12hwdb where record
~'2012-09-20'limit 5;<p class="MsoNormal">ERROR:  operator does not exist: timestamp without time zone ~ unknown<p
class="MsoNormal">LINE1: select * from s12hwdb where record ~'2012-09-20' limit 5;<p
class="MsoNormal">                                          ^<p class="MsoNormal">HINT:  No operator matches the given
nameand argument type(s). You might need to add explicit type casts.<p class="MsoNormal">ansroc=#<p
class="MsoNormal"> <pclass="MsoNormal"> <p class="MsoNormal"> <p class="MsoNormal"><span style=""> </span><p
class="MsoNormal"><spanstyle="">Pierre.</span><p class="MsoNormal"><span style="">+32 471 68 12 23</span><p
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