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CREATE FUNCTION valid_arraybuffer_bytea(len integer) RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
arr = new ArrayBuffer(len);
for(i = 0; i < len; i++) {
arr[i] = i;
}
return arr;
$$;
SELECT length(valid_arraybuffer_bytea(20));
length
--------
20
(1 row)
CREATE FUNCTION valid_int8array_bytea(len integer) RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
return new Int8Array(len);
$$;
SELECT length(valid_int8array_bytea(20));
length
--------
20
(1 row)
CREATE FUNCTION valid_int16array_bytea(len integer) RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
return new Int16Array(len);
$$;
SELECT length(valid_int16array_bytea(20));
length
--------
40
(1 row)
CREATE FUNCTION filled_int8array_bytea() RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
arr = new Int8Array(4);
arr[0] = 1;
arr[1] = 2;
arr[2] = 3;
arr[3] = 4;
return arr;
$$;
SELECT filled_int8array_bytea() = '\x01020304'::bytea;
?column?
----------
t
(1 row)
CREATE FUNCTION filled_int16array_bytea() RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
arr = new Int16Array(4);
arr[0] = 1;
arr[1] = 2;
arr[2] = 3;
arr[3] = 4;
return arr;
$$;
SELECT filled_int16array_bytea();
filled_int16array_bytea
-------------------------
\x0100020003000400
(1 row)
CREATE FUNCTION filled_int32array_bytea() RETURNS bytea
LANGUAGE pljs IMMUTABLE STRICT
AS $$
arr = new Int32Array(4);
arr[0] = 1;
arr[1] = 2;
arr[2] = 3;
arr[3] = 4;
return arr;
$$;
SELECT filled_int32array_bytea();
filled_int32array_bytea
------------------------------------
\x01000000020000000300000004000000
(1 row)
DO $$
const test = 'string test';
const res = pljs.execute(`select $1::bytea`, [test]);
const result = res[0].bytea;
if (result === test) {
pljs.elog(INFO, 'OK');
} else {
pljs.elog(WARNING, 'FAIL');
}
$$ language pljs;
INFO: OK
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