src/ports/postgres/modules/sample/test/stratified_sample.ic.sql_in

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DROP TABLE IF EXISTS "TEST";

CREATE TABLE "TEST"(
    id1 INTEGER,
    "ID2" INTEGER,
    gr1 INTEGER,
    gr2 INTEGER
);

INSERT INTO "TEST" VALUES
(1,0,1,1),
(9,0,1,1),
(0,2,1,2),
(0,3,1,2),
(30,30,2,2),
(70,70,2,2)
;

DROP TABLE IF EXISTS out;
SELECT stratified_sample('"TEST"', 'out', 0.5, NULL, 'id1,"ID2",gr1,gr2', FALSE);