support declarative paritition statements

[Kevin101Zhang]

PARTITION BY HASH (public_key);
CREATE TABLE access_keys_hash_p0 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 0);
CREATE TABLE access_keys_hash_p1 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 1);
CREATE TABLE access_keys_hash_p2 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 2);
CREATE TABLE access_keys_hash_p3 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 3);
CREATE TABLE access_keys_hash_p4 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 4);
CREATE TABLE access_keys_hash_p5 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 5);
CREATE TABLE access_keys_hash_p6 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 6);
CREATE TABLE access_keys_hash_p7 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 7);
CREATE TABLE access_keys_hash_p8 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 8);
CREATE TABLE access_keys_hash_p9 PARTITION OF access_keys FOR VALUES WITH (modulus 10, remainder 9);

unsupported