Waiting for 9.3 – Add array_remove() and array_replace() functions.

On 11th of July, Tom Lane committed patch:

Add array_remove() and array_replace() functions. <span class="refs"> <span class="head" title="heads/master"><a href="/gitweb/?p=postgresql.git;a=shortlog;h=refs/heads/master">master
 
These functions support removing or replacing array element value(s)
matching a given search value.  Although intended mainly to support a
future array-foreign-key feature, they seem useful in their own right.
 
Marco Nenciarini and Gabriele Bartolini, reviewed by Alex Hunsaker

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