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