Casting strings to multidimensional arrays yields strange results. In one
case there are discard values and the other a value magically appears.
Trying both of these with the array[] constructor syntax yields the
expected:
ERROR: multidimensional arrays must have array expressions with matching
dimensions
Tested on both 7.4.3 and 7.5dev.
Kris Jurka
jurka=# SELECT '{{1,2},{2,3},{4}}'::int[][];
int4
---------------
{{1},{2},{4}}
jurka=# SELECT '{{1},{2,3},{4,5}}'::int[][];
int4
---------------------
{{1,0},{2,3},{4,5}}
---------------------------(end of broadcast)---------------------------
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