drop table test_tbl;

CREATE TABLE test_tbl (
a String,
b String,
c String
) ENGINE=Memory;

INSERT INTO test_tbl(a, b, c) FORMAT TSV
a1	b1	c1
a2\ttab	b2	c2
a3	b3	c3

INSERT INTO test_tbl(a, b, c) FORMAT TSV
a4	b4	c4
a5\ttab	b5	c5
a6	b6	c6