On 2013-12-18 22:19, I wrote:
On 2013-12-18 22:13, Andrew Dunstan wrote:
On 12/18/2013 03:27 PM, Marko Tiikkaja wrote:
Attached is a patch to add support for array_length(anyarray), which
only works for one-dimensional arrays, returns 0 for empty arrays and
complains if the array's lower bound isn't 1.  In other words, does
the right thing when used with the arrays people use 99% of the time.

Why the heck would it complain if the lower bound isn't 1?

Because then you're free to assume that the first element is [1] and the
last one is [array_length()].  Which is what 99% of the code using
array_length(anyarray, int) does anyway.

Just to clarify, I mean that array_lower(.., 1) must be 1. Whatever that's called. "The lower bound of the only dimension of the array"?

Marko Tiikkaja

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