I have applied v29 patch-set on head and got "ERROR: operator 1209 is not a member of opfamily 1994" with below test case. Please take a look.
CREATE TABLE part (c1 INT4, c2 TEXT, c3 INT4) PARTITION BY LIST (c2); CREATE TABLE part_p1 PARTITION OF part FOR VALUES IN('ABC'); CREATE TABLE part_p2 PARTITION OF part FOR VALUES IN('DEF'); CREATE TABLE part_p3 PARTITION OF part FOR VALUES IN('GHI'); CREATE TABLE part_p4 PARTITION OF part FOR VALUES IN('JKL');
INSERT INTO part VALUES (100,'ABC',10); INSERT INTO part VALUES (110,'DEF',20); INSERT INTO part VALUES (120,'GHI',10); INSERT INTO part VALUES (130,'JKL',100);
explain (costs off) SELECT * FROM part WHERE c2 LIKE '%ABC%'; ERROR: operator 1209 is not a member of opfamily 1994