Is there any other way to search for a certain value in an integer[] column in Postgres?
My currently installed Postgres version does not allow the following statement:
SELECT * FROM table WHERE values *= 10;
Array examples:
'{11043,10859,10860,10710,10860,10877,10895,11251}'
'{11311,10698,10697,10710,10712,10711,10708}'
The statement should return every row where the array contains '10710'.
For equality checks you can simply:
SELECT * FROM tbl WHERE 10 = ANY (values);
Read about ANY/SOME in the manual.
For big tables / big arrays consider array operators with index support, like:
SELECT * FROM tbl WHERE values @> '{10}'::int[];
See:
For integer arrays consider the additional module intarray:
Related:
quickly search will be so, but you should use index gist or gin for intarray type Postgres intarray
SELECT * FROM table WHERE values @> ARRAY[10];
**Store Integer Array as Strings in Postgresql and Query the Array**
Finally I could save the integer as string array in one column able to successfully convert into array and query the array using below example.
CREATE TABLE test
(
year character varying,
id serial NOT NULL,
category_id character varying,
CONSTRAINT test_pkey PRIMARY KEY (id)
)
Data
"2005";1;"1,2,3,4"
"2006";2;"2,3,5,6"
"2006";3;"4,3,5,6"
"2007";7;"1,2"
select distinct(id) from test, (select id as cid, unnest(string_to_array(category_id , ',')::integer[]) as cat from test) c where c.cid=test.id and cat in (1,2,3);
Result:
2
1
3
7
