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

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DROP TABLE IF EXISTS "TEST_s" CASCADE;

CREATE TABLE "TEST_s"(
    id1 INTEGER,
    id2 INTEGER,
    gr1 INTEGER,
    gr2 INTEGER,
    gr3 TEXT
);

INSERT INTO "TEST_s" VALUES
(1,0,1,1,'a'),
(1,0,1,1,'b'),
(1,0,1,2,'b'),
(30,30,6,6,'d'),
(40,40,6,6,'d'),
(700,70,NULL,2,'e');

-- --- Test for random undersampling with replacement
DROP TABLE IF EXISTS out_sr2;
SELECT balance_sample('"TEST_s"', 'out_sr2', 'gr1', 'undersample ', NULL, NULL, TRUE, TRUE);