scott.marlowe wrote:
> gives me nothing. Shouldn't a negative offset, or even 0 offset result in
> an error or something here? Or is there a special meaning to a negative
> offset I'm not getting?
In varlena.c there is this comment:
* text_substr() * Return a substring starting at the specified position. * - thomas 1997-12-31 * * Input: * -
string* - starting position (is one-based) * - string length * * If the starting position is zero or less, then
returnfrom the start * of the string adjusting the length to be consistent with the * "negative start" per SQL92. If
thelength is less than zero, return * the remaining string.
Joe
