Re: C++Builder table exist

On 2013-03-13, Charl Roux <charl.roux@hotmail.com> wrote:
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appologies for the formatting, gmane did something to your email that
SLRN didn't like.

> void __fastcall TfrmMain::FormCreate(TObject *Sender)
> {
>   int errorCode;
>   TStringList *tableList = new TStringList;
>   frmDataModule->eyeConnection->GetTableNames(tableList);
>
>   // create queryBackup table if does not exist
>   AnsiString SQL = "CREATE TABLE queryBackup( queryName VARCHAR(30) PRIMARY KEY ,query VARCHAR(10000))";
>   if( tableList->IndexOf("queryBackup") < 0 )
>     errorCode = frmDataModule->eyeConnection->ExecuteDirect(SQL);
> }

> ERROR: relation "querybackup" already exists.

The problem is you're checking for queryBackup and then creating
querybackup when it doesn't exist. (note: capitalisation)

http://www.postgresql.org/docs/9.1/static/sql-syntax-lexical.html

This case-folding is one of the few places where postgres deliberately
breaks the sql standard (AIUI standard wants case folded upwards).

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