Hi. Here's a boiled down example of something that caught me by surprise:
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ag_reach_test=> CREATE TEMP TABLE foo (my_array varchar[]);
CREATE TABLE
ag_reach_test=> INSERT INTO foo (my_array) SELECT '{TEST}';
INSERT 0 1
ag_reach_test=> SELECT my_array[1],array_length(my_array,1) FROM foo;
my_array | array_length
----------+--------------
TEST | 1
(1 row)
ag_reach_test=> INSERT INTO foo (my_array) SELECT DISTINCT '{TEST}';
ERROR: column "my_array" is of type character varying[] but _expression_ is of type text
LINE 1: INSERT INTO foo (my_array) SELECT DISTINCT '{TEST}';
^
HINT: You will need to rewrite or cast the _expression_.
It's easy enough to add a cast, but I was curious if this was expected and desired behavior. Thanks.
Ken
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