Craig,
-----Original Message-----
>From: Craig Ringer <craig@postnewspapers.com.au>
>Sent: Nov 15, 2009 7:02 PM
>To: ikorot@earthlink.net
>Cc: pgsql-odbc@postgresql.org
>Subject: Re: [ODBC] Table creation
>
>On 16/11/2009 10:08 AM, ikorot@earthlink.net wrote:
>> Hi, ALL,
>> I'm new to this list and to PostgreSQL. However, I am
>> a C++ developer with some ODBC development experience.
>>
>> I heard that in PostgreSQL it is possible to create table
>> in 2 ways:
>>
>> CREATE TABLE "Foo" ....;
>>
>> CREATE TABLE Foo... ;
>>
>> So, when using unquoted version all query should check for
>> the case sensitivity.
>>
>> Is it possible to check how the table was created to use proper
>> query syntax?
>
>If the unquoted form was used, the table name will have been downcased
>by PostgreSQL. It's still case sensitive, just forced to lower case.
>Essentially,
>
> CREATE TABLE Foo ... ;
>
>is exactly equivalent to:
>
> CREATE TABLE "foo" ... ;
>
>in terms of its effects after the CREATE statement has executed. So, if
>you expect to have any non-lower-case identifiers (table names, index
>names, constraint names, etc) in your database, ALWAYS quote your
>identifiers. If they're all lower case, it'll still work.
So, if I call both formats, i.e.:
CREATE TABLE "foo1"...;
CREATE TABLE Foo2....;
what will SQLTables() return?
Thank you.
>
>The only problem that'll arise is if your application is told by some
>external source to access table "Foo" but doesn't know if the external
>source created it as "Foo" or "foo". In that case, you can either query
>INFORMATION_SCHEMA with a case-insensitive search to find the table
>(which is slow and ugly) or just fix your app to be consistent about
>quoting and case.
>
>--
>Craig Ringer
>
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