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--
-- ARRAYS
--
SELECT * FROM arrtest;
SELECT arrtest.a[1],
arrtest.b[1][1][1],
arrtest.c[1],
arrtest.d[1][1],
arrtest.e[0]
FROM arrtest;
SELECT a[1], b[1][1][1], c[1], d[1][1], e[0]
FROM arrtest;
SELECT a[1:3],
b[1:1][1:2][1:2],
c[1:2],
d[1:1][1:2]
FROM arrtest;
SELECT array_dims(a) AS a,array_dims(b) AS b,array_dims(c) AS c
FROM arrtest;
-- returns nothing
SELECT *
FROM arrtest
WHERE a[1] < 5 and
c = '{"foobar"}'::_name;
UPDATE arrtest
SET a[1:2] = '{16,25}'
WHERE NOT a = '{}'::_int2;
UPDATE arrtest
SET b[1:1][1:1][1:2] = '{113, 117}',
b[1:1][1:2][2:2] = '{142, 147}'
WHERE array_dims(b) = '[1:1][1:2][1:2]';
UPDATE arrtest
SET c[2:2] = '{"new_word"}'
WHERE array_dims(c) is not null;
SELECT a,b,c FROM arrtest;
SELECT a[1:3],
b[1:1][1:2][1:2],
c[1:2],
d[1:1][2:2]
FROM arrtest;
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