The example isn't what I am doing, its just a test to get multidimensional array within db for testing import of array from application (perl in this case)
On Tue, 11 Aug 2020 at 15:08, Thomas Kellerer <shammat@gmx.net> wrote:
Mike Martin schrieb am 11.08.2020 um 12:50: > Is this possible? I have seen examples with array literals as VALUES string, but I cant seen to get it to work with an actual array. > > testing code > > --This gets me a multidimensional array > with arr AS ( > SELECT ARRAY(SELECT ARRAY[fileid::text,tagname,array_to_string(tagvalue,E'\b')] > FROM tagdata_all) -- limit 100) > arr1 > ) > --Then > > INSERT INTO tagdatatest2 > SELECT arr1::text[] FROM arr --doesnt work only populates one column with original array
I don't understand why you aggregate in the first place if you want to the insert the array elements as rows.
Can't you just do:
INSERT INTO tagdatatest2 (fileid, tagname, tagvalue) SELECT fileid, tagname, array_to_string(tagvalue,E'\b') FROM tagdata_all
