mirror of
https://github.com/postgres/postgres.git
synced 2025-07-08 11:42:09 +03:00
fc896821c4
Using the just-added infrastructure, extend btree_gin to support cross-type operators in its other opclasses. All of the cross-type comparison operators supported by the core btree opclasses for these datatypes are now available for btree_gin indexes as well. Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Arseniy Mukhin <arseniy.mukhin.dev@gmail.com> Discussion: https://postgr.es/m/262624.1738460652@sss.pgh.pa.us
69 lines
2.8 KiB
SQL
69 lines
2.8 KiB
SQL
set enable_seqscan=off;
|
|
|
|
CREATE TABLE test_float4 (
|
|
i float4
|
|
);
|
|
|
|
INSERT INTO test_float4 VALUES (-2),(-1),(0),(1),(2),(3);
|
|
|
|
CREATE INDEX idx_float4 ON test_float4 USING gin (i);
|
|
|
|
SELECT * FROM test_float4 WHERE i<1::float4 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<=1::float4 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i=1::float4 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>=1::float4 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>1::float4 ORDER BY i;
|
|
|
|
explain (costs off)
|
|
SELECT * FROM test_float4 WHERE i<1::float8 ORDER BY i;
|
|
|
|
SELECT * FROM test_float4 WHERE i<1::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<=1::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i=1::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>=1::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>1::float8 ORDER BY i;
|
|
|
|
-- Check endpoint and out-of-range cases
|
|
|
|
INSERT INTO test_float4 VALUES ('NaN'), ('Inf'), ('-Inf');
|
|
SELECT gin_clean_pending_list('idx_float4');
|
|
|
|
SELECT * FROM test_float4 WHERE i<'-Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<='-Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i='-Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>='-Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>'-Inf'::float8 ORDER BY i;
|
|
|
|
SELECT * FROM test_float4 WHERE i<'Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<='Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i='Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>='Inf'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>'Inf'::float8 ORDER BY i;
|
|
|
|
SELECT * FROM test_float4 WHERE i<'1e300'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<='1e300'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i='1e300'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>='1e300'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>'1e300'::float8 ORDER BY i;
|
|
|
|
SELECT * FROM test_float4 WHERE i<'NaN'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i<='NaN'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i='NaN'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>='NaN'::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i>'NaN'::float8 ORDER BY i;
|
|
|
|
-- Check rounding cases
|
|
-- 1e-300 rounds to 0 for float4 but not for float8
|
|
|
|
SELECT * FROM test_float4 WHERE i < -1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i <= -1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i = -1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i > -1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i >= -1e-300::float8 ORDER BY i;
|
|
|
|
SELECT * FROM test_float4 WHERE i < 1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i <= 1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i = 1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i > 1e-300::float8 ORDER BY i;
|
|
SELECT * FROM test_float4 WHERE i >= 1e-300::float8 ORDER BY i;
|