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Re^2: $dbh->quote(..., SQL_INTEGER)

by iburrell (Chaplain)
on Sep 02, 2004 at 19:09 UTC ( [id://388059]=note: print w/replies, xml ) Need Help??


in reply to Re: $dbh->quote(..., SQL_INTEGER)
in thread $dbh->quote(..., SQL_INTEGER)

LIMIT clauses can be different with placeholders. The number is sometimes considered not a normal data value. Some databases, like MS-SQL, don't support placeholders in the LIMIT clause.

With PostgreSQL and DBD::Pg, the placeholders are substituted on the client. Without bind_param types, they use strings which are converted for all normal types. This doesn't work for LIMIT clause which must be an unquoted number. Supposedly, setting the type with bind_param will work:

my $sth = $dbh->prepare("SELECT * FROM big_table LIMIT ?"); $sth->bind_param(1, $value, SQL_INTEGER); $sth->execute(10);
I don't know what will happen when the server-side parameters are implemented.

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