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|
--
-- BTREE_INDEX
-- test retrieval of min/max keys for each index
--
SELECT b.*
FROM bt_i4_heap b
WHERE b.seqno < 1;
seqno | random
-------+------------
0 | 1935401906
(1 row)
SELECT b.*
FROM bt_i4_heap b
WHERE b.seqno >= 9999;
seqno | random
-------+------------
9999 | 1227676208
(1 row)
SELECT b.*
FROM bt_i4_heap b
WHERE b.seqno = 4500;
seqno | random
-------+------------
4500 | 2080851358
(1 row)
SELECT b.*
FROM bt_name_heap b
WHERE b.seqno < '1'::name;
seqno | random
-------+------------
0 | 1935401906
(1 row)
SELECT b.*
FROM bt_name_heap b
WHERE b.seqno >= '9999'::name;
seqno | random
-------+------------
9999 | 1227676208
(1 row)
SELECT b.*
FROM bt_name_heap b
WHERE b.seqno = '4500'::name;
seqno | random
-------+------------
4500 | 2080851358
(1 row)
SELECT b.*
FROM bt_txt_heap b
WHERE b.seqno < '1'::text;
seqno | random
-------+------------
0 | 1935401906
(1 row)
SELECT b.*
FROM bt_txt_heap b
WHERE b.seqno >= '9999'::text;
seqno | random
-------+------------
9999 | 1227676208
(1 row)
SELECT b.*
FROM bt_txt_heap b
WHERE b.seqno = '4500'::text;
seqno | random
-------+------------
4500 | 2080851358
(1 row)
SELECT b.*
FROM bt_f8_heap b
WHERE b.seqno < '1'::float8;
seqno | random
-------+------------
0 | 1935401906
(1 row)
SELECT b.*
FROM bt_f8_heap b
WHERE b.seqno >= '9999'::float8;
seqno | random
-------+------------
9999 | 1227676208
(1 row)
SELECT b.*
FROM bt_f8_heap b
WHERE b.seqno = '4500'::float8;
seqno | random
-------+------------
4500 | 2080851358
(1 row)
--
-- Check correct optimization of LIKE (special index operator support)
-- for both indexscan and bitmapscan cases
--
set enable_seqscan to false;
set enable_indexscan to true;
set enable_bitmapscan to false;
select proname from pg_proc where proname like E'RI\\_FKey%del' order by 1;
proname
------------------------
RI_FKey_cascade_del
RI_FKey_noaction_del
RI_FKey_restrict_del
RI_FKey_setdefault_del
RI_FKey_setnull_del
(5 rows)
set enable_indexscan to false;
set enable_bitmapscan to true;
select proname from pg_proc where proname like E'RI\\_FKey%del' order by 1;
proname
------------------------
RI_FKey_cascade_del
RI_FKey_noaction_del
RI_FKey_restrict_del
RI_FKey_setdefault_del
RI_FKey_setnull_del
(5 rows)
|
