QUERY: SELECT hash_i4_heap.*
   WHERE hash_i4_heap.random = 843938989;
seqno|   random
-----+---------
   15|843938989
(1 row)

QUERY: SELECT hash_i4_heap.*
   WHERE hash_i4_heap.random = 66766766;
seqno|random
-----+------
(0 rows)

QUERY: SELECT hash_name_heap.*
   WHERE hash_name_heap.random = '1505703298'::name;
seqno|    random
-----+----------
 9838|1505703298
(1 row)

QUERY: SELECT hash_name_heap.*
   WHERE hash_name_heap.random = '7777777'::name;
seqno|random
-----+------
(0 rows)

QUERY: SELECT hash_txt_heap.*
   WHERE hash_txt_heap.random = '1351610853'::text;
seqno|    random
-----+----------
 5677|1351610853
(1 row)

QUERY: SELECT hash_txt_heap.*
   WHERE hash_txt_heap.random = '111111112222222233333333'::text;
seqno|random
-----+------
(0 rows)

QUERY: SELECT hash_f8_heap.*
   WHERE hash_f8_heap.random = '444705537'::float8;
seqno|   random
-----+---------
 7853|444705537
(1 row)

QUERY: SELECT hash_f8_heap.*
   WHERE hash_f8_heap.random = '88888888'::float8;
seqno|random
-----+------
(0 rows)

QUERY: UPDATE hash_i4_heap
   SET random = 1
   WHERE hash_i4_heap.seqno = 1492;
QUERY: SELECT h.seqno AS i1492, h.random AS i1
   FROM hash_i4_heap h
   WHERE h.random = 1;
i1492|i1
-----+--
 1492| 1
(1 row)

QUERY: UPDATE hash_i4_heap
   SET seqno = 20000
   WHERE hash_i4_heap.random = 1492795354;
QUERY: SELECT h.seqno AS i20000
   FROM hash_i4_heap h
   WHERE h.random = 1492795354;
i20000
------
 20000
(1 row)

QUERY: UPDATE hash_name_heap
   SET random = '0123456789abcdef'::name
   WHERE hash_name_heap.seqno = 6543;
QUERY: SELECT h.seqno AS i6543, h.random AS c0_to_f
   FROM hash_name_heap h
   WHERE h.random = '0123456789abcdef'::name;
i6543|c0_to_f         
-----+----------------
 6543|0123456789abcdef
(1 row)

QUERY: UPDATE hash_name_heap
   SET seqno = 20000
   WHERE hash_name_heap.random = '76652222'::name;
QUERY: SELECT h.seqno AS emptyset
   FROM hash_name_heap h
   WHERE h.random = '76652222'::name;
emptyset
--------
(0 rows)

QUERY: UPDATE hash_txt_heap
   SET random = '0123456789abcdefghijklmnop'::text
   WHERE hash_txt_heap.seqno = 4002;
QUERY: SELECT h.seqno AS i4002, h.random AS c0_to_p
   FROM hash_txt_heap h
   WHERE h.random = '0123456789abcdefghijklmnop'::text;
i4002|c0_to_p                   
-----+--------------------------
 4002|0123456789abcdefghijklmnop
(1 row)

QUERY: UPDATE hash_txt_heap
   SET seqno = 20000
   WHERE hash_txt_heap.random = '959363399'::text;
QUERY: SELECT h.seqno AS t20000
   FROM hash_txt_heap h
   WHERE h.random = '959363399'::text;
t20000
------
 20000
(1 row)

QUERY: UPDATE hash_f8_heap
   SET random = '-1234.1234'::float8
   WHERE hash_f8_heap.seqno = 8906;
QUERY: SELECT h.seqno AS i8096, h.random AS f1234_1234
   FROM hash_f8_heap h
   WHERE h.random = '-1234.1234'::float8;
i8096|f1234_1234
-----+----------
 8906|-1234.1234
(1 row)

QUERY: UPDATE hash_f8_heap
   SET seqno = 20000
   WHERE hash_f8_heap.random = '488912369'::float8;
QUERY: SELECT h.seqno AS f20000
   FROM hash_f8_heap h
   WHERE h.random = '488912369'::float8;
f20000
------
 20000
(1 row)