sbasu...@soft-gator.com writes:
> I am using regexp_matches in a function like this
> create or replace function test (v_string in text)
> returns varchar as $$
> declare
> i_strings text[];
> i_string text[];
> i_strings :=
> regexp_matches(v_string,E'[a-zA-Z0-9:\\s\\-\\.#%]*:[A-Za-z0-9\\s\\-\\.#%]+','g');
> postgresql complains:
> ERROR: query "SELECT
> regexp_matches(v_string,E'[a-zA-Z0-9:\\s\\-\\.#%]*:[A-Za-z0-9\\s\\-\\.#%]+','g')"
> returned more than one row
As per David Johnston's response on pgsql-general, this isn't a bug:
simple assignments in plpgsql expect a simple source value, not a rowset.
Personally I'd just iterate over the regexp_matches result directly and
not bother trying to store it into a variable, for example
for string_var in select regexp_matches(...) loop ...
regards, tom lane
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