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c06d6aa4c3
Many older tests where written in a style like
SELECT '' AS two, i.* FROM INT2_TBL
where the first column indicated the number of expected result rows.
This has gotten increasingly out of date, as the test data fixtures
have expanded, so a lot of these were wrong and misleading. Moreover,
this style isn't really necessary, since the psql output already shows
the number of result rows.
To clean this up, remove all those extra columns.
Discussion: https://www.postgresql.org/message-id/flat/1a25312b-2686-380d-3c67-7a69094a999f%40enterprisedb.com
284 lines
7.8 KiB
SQL
284 lines
7.8 KiB
SQL
--
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-- BOX
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--
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--
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-- box logic
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-- o
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-- 3 o--|X
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-- | o|
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-- 2 +-+-+ |
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-- | | | |
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-- 1 | o-+-o
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-- | |
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-- 0 +---+
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--
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-- 0 1 2 3
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--
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-- boxes are specified by two points, given by four floats x1,y1,x2,y2
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CREATE TABLE BOX_TBL (f1 box);
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INSERT INTO BOX_TBL (f1) VALUES ('(2.0,2.0,0.0,0.0)');
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INSERT INTO BOX_TBL (f1) VALUES ('(1.0,1.0,3.0,3.0)');
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INSERT INTO BOX_TBL (f1) VALUES ('((-8, 2), (-2, -10))');
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-- degenerate cases where the box is a line or a point
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-- note that lines and points boxes all have zero area
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INSERT INTO BOX_TBL (f1) VALUES ('(2.5, 2.5, 2.5,3.5)');
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INSERT INTO BOX_TBL (f1) VALUES ('(3.0, 3.0,3.0,3.0)');
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-- badly formatted box inputs
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INSERT INTO BOX_TBL (f1) VALUES ('(2.3, 4.5)');
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INSERT INTO BOX_TBL (f1) VALUES ('[1, 2, 3, 4)');
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INSERT INTO BOX_TBL (f1) VALUES ('(1, 2, 3, 4]');
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INSERT INTO BOX_TBL (f1) VALUES ('(1, 2, 3, 4) x');
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INSERT INTO BOX_TBL (f1) VALUES ('asdfasdf(ad');
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SELECT * FROM BOX_TBL;
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SELECT b.*, area(b.f1) as barea
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FROM BOX_TBL b;
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-- overlap
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 && box '(2.5,2.5,1.0,1.0)';
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-- left-or-overlap (x only)
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SELECT b1.*
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FROM BOX_TBL b1
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WHERE b1.f1 &< box '(2.0,2.0,2.5,2.5)';
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-- right-or-overlap (x only)
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SELECT b1.*
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FROM BOX_TBL b1
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WHERE b1.f1 &> box '(2.0,2.0,2.5,2.5)';
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-- left of
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 << box '(3.0,3.0,5.0,5.0)';
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-- area <=
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 <= box '(3.0,3.0,5.0,5.0)';
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-- area <
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 < box '(3.0,3.0,5.0,5.0)';
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-- area =
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 = box '(3.0,3.0,5.0,5.0)';
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-- area >
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SELECT b.f1
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FROM BOX_TBL b -- zero area
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WHERE b.f1 > box '(3.5,3.0,4.5,3.0)';
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-- area >=
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SELECT b.f1
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FROM BOX_TBL b -- zero area
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WHERE b.f1 >= box '(3.5,3.0,4.5,3.0)';
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-- right of
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SELECT b.f1
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FROM BOX_TBL b
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WHERE box '(3.0,3.0,5.0,5.0)' >> b.f1;
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-- contained in
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SELECT b.f1
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FROM BOX_TBL b
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WHERE b.f1 <@ box '(0,0,3,3)';
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-- contains
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SELECT b.f1
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FROM BOX_TBL b
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WHERE box '(0,0,3,3)' @> b.f1;
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-- box equality
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SELECT b.f1
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FROM BOX_TBL b
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WHERE box '(1,1,3,3)' ~= b.f1;
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-- center of box, left unary operator
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SELECT @@(b1.f1) AS p
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FROM BOX_TBL b1;
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-- wholly-contained
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SELECT b1.*, b2.*
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FROM BOX_TBL b1, BOX_TBL b2
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WHERE b1.f1 @> b2.f1 and not b1.f1 ~= b2.f1;
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SELECT height(f1), width(f1) FROM BOX_TBL;
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--
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-- Test the SP-GiST index
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--
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CREATE TEMPORARY TABLE box_temp (f1 box);
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INSERT INTO box_temp
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SELECT box(point(i, i), point(i * 2, i * 2))
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FROM generate_series(1, 50) AS i;
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CREATE INDEX box_spgist ON box_temp USING spgist (f1);
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INSERT INTO box_temp
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VALUES (NULL),
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('(0,0)(0,100)'),
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('(-3,4.3333333333)(40,1)'),
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('(0,100)(0,infinity)'),
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('(-infinity,0)(0,infinity)'),
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('(-infinity,-infinity)(infinity,infinity)');
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SET enable_seqscan = false;
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SELECT * FROM box_temp WHERE f1 << '(10,20),(30,40)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 << '(10,20),(30,40)';
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SELECT * FROM box_temp WHERE f1 &< '(10,4.333334),(5,100)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 &< '(10,4.333334),(5,100)';
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SELECT * FROM box_temp WHERE f1 && '(15,20),(25,30)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 && '(15,20),(25,30)';
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SELECT * FROM box_temp WHERE f1 &> '(40,30),(45,50)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 &> '(40,30),(45,50)';
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SELECT * FROM box_temp WHERE f1 >> '(30,40),(40,30)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 >> '(30,40),(40,30)';
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SELECT * FROM box_temp WHERE f1 <<| '(10,4.33334),(5,100)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 <<| '(10,4.33334),(5,100)';
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SELECT * FROM box_temp WHERE f1 &<| '(10,4.3333334),(5,1)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 &<| '(10,4.3333334),(5,1)';
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SELECT * FROM box_temp WHERE f1 |&> '(49.99,49.99),(49.99,49.99)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 |&> '(49.99,49.99),(49.99,49.99)';
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SELECT * FROM box_temp WHERE f1 |>> '(37,38),(39,40)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 |>> '(37,38),(39,40)';
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SELECT * FROM box_temp WHERE f1 @> '(10,11),(15,16)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 @> '(10,11),(15,15)';
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SELECT * FROM box_temp WHERE f1 <@ '(10,15),(30,35)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 <@ '(10,15),(30,35)';
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SELECT * FROM box_temp WHERE f1 ~= '(20,20),(40,40)';
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EXPLAIN (COSTS OFF) SELECT * FROM box_temp WHERE f1 ~= '(20,20),(40,40)';
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RESET enable_seqscan;
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DROP INDEX box_spgist;
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--
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-- Test the SP-GiST index on the larger volume of data
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--
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CREATE TABLE quad_box_tbl (id int, b box);
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INSERT INTO quad_box_tbl
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SELECT (x - 1) * 100 + y, box(point(x * 10, y * 10), point(x * 10 + 5, y * 10 + 5))
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FROM generate_series(1, 100) x,
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generate_series(1, 100) y;
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-- insert repeating data to test allTheSame
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INSERT INTO quad_box_tbl
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SELECT i, '((200, 300),(210, 310))'
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FROM generate_series(10001, 11000) AS i;
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INSERT INTO quad_box_tbl
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VALUES
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(11001, NULL),
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(11002, NULL),
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(11003, '((-infinity,-infinity),(infinity,infinity))'),
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(11004, '((-infinity,100),(-infinity,500))'),
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(11005, '((-infinity,-infinity),(700,infinity))');
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CREATE INDEX quad_box_tbl_idx ON quad_box_tbl USING spgist(b);
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-- get reference results for ORDER BY distance from seq scan
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SET enable_seqscan = ON;
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SET enable_indexscan = OFF;
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SET enable_bitmapscan = OFF;
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CREATE TABLE quad_box_tbl_ord_seq1 AS
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl;
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CREATE TABLE quad_box_tbl_ord_seq2 AS
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl WHERE b <@ box '((200,300),(500,600))';
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SET enable_seqscan = OFF;
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SET enable_indexscan = ON;
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SET enable_bitmapscan = ON;
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SELECT count(*) FROM quad_box_tbl WHERE b << box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b &< box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b && box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b &> box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b >> box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b >> box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b <<| box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b &<| box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b |&> box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b |>> box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b @> box '((201,301),(202,303))';
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SELECT count(*) FROM quad_box_tbl WHERE b <@ box '((100,200),(300,500))';
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SELECT count(*) FROM quad_box_tbl WHERE b ~= box '((200,300),(205,305))';
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-- test ORDER BY distance
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SET enable_indexscan = ON;
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SET enable_bitmapscan = OFF;
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EXPLAIN (COSTS OFF)
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl;
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CREATE TEMP TABLE quad_box_tbl_ord_idx1 AS
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl;
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SELECT *
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FROM quad_box_tbl_ord_seq1 seq FULL JOIN quad_box_tbl_ord_idx1 idx
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ON seq.n = idx.n AND seq.id = idx.id AND
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(seq.dist = idx.dist OR seq.dist IS NULL AND idx.dist IS NULL)
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WHERE seq.id IS NULL OR idx.id IS NULL;
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EXPLAIN (COSTS OFF)
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl WHERE b <@ box '((200,300),(500,600))';
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CREATE TEMP TABLE quad_box_tbl_ord_idx2 AS
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SELECT rank() OVER (ORDER BY b <-> point '123,456') n, b <-> point '123,456' dist, id
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FROM quad_box_tbl WHERE b <@ box '((200,300),(500,600))';
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SELECT *
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FROM quad_box_tbl_ord_seq2 seq FULL JOIN quad_box_tbl_ord_idx2 idx
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ON seq.n = idx.n AND seq.id = idx.id AND
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(seq.dist = idx.dist OR seq.dist IS NULL AND idx.dist IS NULL)
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WHERE seq.id IS NULL OR idx.id IS NULL;
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RESET enable_seqscan;
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RESET enable_indexscan;
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RESET enable_bitmapscan;
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