From: | "Leonardo M(dot) Ramé" <l(dot)rame(at)griensu(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, PostgreSql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Column does not exists? |
Date: | 2015-03-26 17:21:48 |
Message-ID: | 5514402C.4000809@griensu.com |
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Thread: | |
Lists: | pgsql-general |
El 26/03/15 a las 14:18, Adrian Klaver escibió:
> On 03/26/2015 10:12 AM, "Leonardo M. Ramé" wrote:
>> Ok, I have this table:
>>
>> CREATE TABLE sessions
>> (
>> "SESSIONID" integer NOT NULL,
>> "SESSIONTIMESTAMP" character varying(45) NOT NULL,
>> "SESSIONDATA" character varying(200) DEFAULT NULL::character varying,
>> CONSTRAINT sessions_pkey PRIMARY KEY ("SESSIONID")
>> )
>>
>> Now, when I do:
>>
>> DELETE From sessions WHERE SESSIONTIMESTAMP < '2010-01-01 10:02:02'
>>
>> I get:
>>
>> ERROR: column "sessiontimestamp" does not exist
>> LINE 1: DELETE From sessions WHERE SESSIONTIMESTAMP < '2010-01-01 10...
>> ^
>> ********** Error **********
>>
>> ERROR: column "sessiontimestamp" does not exist
>> SQL state: 42703
>> Character: 28
>>
>> But if I do:
>>
>> DELETE From sessions WHERE "SESSIONTIMESTAMP" < '2010-01-01 10:02:02'
>>
>> It DOES work.
>>
>> Why the db doesn't recognize the name of the table without quotes?.
>
> See here, bottom of 4.1.1. Identifiers and Key Words:
>
> http://www.postgresql.org/docs/9.3/interactive/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
>
Thanks, then it looks like SESSIONTIMESTAMP is an identifier?.
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