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I need to initialize 2 dimensional array with m rows and n columns, but m and n might change. I found here example like this :

ARRAY[[NULL,NULL],[NULL,NULL]]

But it initializes array with 2 rows and 2 columns.

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    If you'd post the answer you found as answer and not in the question, I'd vote for it, because it's useful. Commented Oct 10, 2012 at 1:24
  • Yep, please answer your own post and accept the answer. Commented Oct 10, 2012 at 6:28

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I've found the answer:

array_fill(0,ARRAY[m,n])
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