>>>ERROR: column "my_array" is of type character varying[] but expression
is of type text
please try this below, may be this should help
CREATE CAST (text AS varchar) WITH INOUT AS IMPLICIT;
just for info:
actually this should be available in default
On Fri, Feb 20, 2015 at 9:48 AM, Ken Tanzer <ken.tan...@gmail.com> wrote:
> Hi. Here's a boiled down example of something that caught me by surprise:
>
> 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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