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0901dbab33
In general we can't discard constant-NULL inputs, since they could change the result of the AND/OR to be NULL. But at top level of WHERE, we do not need to distinguish a NULL result from a FALSE result, so it's okay to treat NULL as FALSE and then simplify AND/OR accordingly. This is a very ancient oversight, but in 9.2 and later it can lead to failure to optimize queries that previous releases did optimize, as a result of more aggressive parameter substitution rules making it possible to reduce more subexpressions to NULL constants. This is the root cause of bug #10171 from Arnold Scheffler. We could alternatively have fixed that by teaching orclauses.c to ignore constant-NULL OR arms, but it seems better to get rid of them globally. I resisted the temptation to back-patch this change into all active branches, but it seems appropriate to back-patch as far as 9.2 so that there will not be performance regressions of the kind shown in this bug.
925 lines
32 KiB
PL/PgSQL
925 lines
32 KiB
PL/PgSQL
--
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-- CREATE_INDEX
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-- Create ancillary data structures (i.e. indices)
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--
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--
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-- BTREE
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--
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CREATE INDEX onek_unique1 ON onek USING btree(unique1 int4_ops);
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CREATE INDEX onek_unique2 ON onek USING btree(unique2 int4_ops);
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CREATE INDEX onek_hundred ON onek USING btree(hundred int4_ops);
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CREATE INDEX onek_stringu1 ON onek USING btree(stringu1 name_ops);
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CREATE INDEX tenk1_unique1 ON tenk1 USING btree(unique1 int4_ops);
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CREATE INDEX tenk1_unique2 ON tenk1 USING btree(unique2 int4_ops);
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CREATE INDEX tenk1_hundred ON tenk1 USING btree(hundred int4_ops);
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CREATE INDEX tenk1_thous_tenthous ON tenk1 (thousand, tenthous);
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CREATE INDEX tenk2_unique1 ON tenk2 USING btree(unique1 int4_ops);
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CREATE INDEX tenk2_unique2 ON tenk2 USING btree(unique2 int4_ops);
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CREATE INDEX tenk2_hundred ON tenk2 USING btree(hundred int4_ops);
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CREATE INDEX rix ON road USING btree (name text_ops);
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CREATE INDEX iix ON ihighway USING btree (name text_ops);
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CREATE INDEX six ON shighway USING btree (name text_ops);
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-- test comments
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COMMENT ON INDEX six_wrong IS 'bad index';
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COMMENT ON INDEX six IS 'good index';
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COMMENT ON INDEX six IS NULL;
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--
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-- BTREE ascending/descending cases
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--
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-- we load int4/text from pure descending data (each key is a new
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-- low key) and name/f8 from pure ascending data (each key is a new
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-- high key). we had a bug where new low keys would sometimes be
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-- "lost".
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--
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CREATE INDEX bt_i4_index ON bt_i4_heap USING btree (seqno int4_ops);
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CREATE INDEX bt_name_index ON bt_name_heap USING btree (seqno name_ops);
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CREATE INDEX bt_txt_index ON bt_txt_heap USING btree (seqno text_ops);
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CREATE INDEX bt_f8_index ON bt_f8_heap USING btree (seqno float8_ops);
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--
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-- BTREE partial indices
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--
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CREATE INDEX onek2_u1_prtl ON onek2 USING btree(unique1 int4_ops)
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where unique1 < 20 or unique1 > 980;
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CREATE INDEX onek2_u2_prtl ON onek2 USING btree(unique2 int4_ops)
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where stringu1 < 'B';
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CREATE INDEX onek2_stu1_prtl ON onek2 USING btree(stringu1 name_ops)
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where onek2.stringu1 >= 'J' and onek2.stringu1 < 'K';
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--
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-- GiST (rtree-equivalent opclasses only)
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--
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CREATE INDEX grect2ind ON fast_emp4000 USING gist (home_base);
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CREATE INDEX gpolygonind ON polygon_tbl USING gist (f1);
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CREATE INDEX gcircleind ON circle_tbl USING gist (f1);
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INSERT INTO POINT_TBL(f1) VALUES (NULL);
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CREATE INDEX gpointind ON point_tbl USING gist (f1);
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CREATE TEMP TABLE gpolygon_tbl AS
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SELECT polygon(home_base) AS f1 FROM slow_emp4000;
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INSERT INTO gpolygon_tbl VALUES ( '(1000,0,0,1000)' );
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INSERT INTO gpolygon_tbl VALUES ( '(0,1000,1000,1000)' );
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CREATE TEMP TABLE gcircle_tbl AS
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SELECT circle(home_base) AS f1 FROM slow_emp4000;
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CREATE INDEX ggpolygonind ON gpolygon_tbl USING gist (f1);
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CREATE INDEX ggcircleind ON gcircle_tbl USING gist (f1);
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--
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-- SP-GiST
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--
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CREATE TABLE quad_point_tbl AS
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SELECT point(unique1,unique2) AS p FROM tenk1;
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INSERT INTO quad_point_tbl
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SELECT '(333.0,400.0)'::point FROM generate_series(1,1000);
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INSERT INTO quad_point_tbl VALUES (NULL), (NULL), (NULL);
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CREATE INDEX sp_quad_ind ON quad_point_tbl USING spgist (p);
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CREATE TABLE kd_point_tbl AS SELECT * FROM quad_point_tbl;
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CREATE INDEX sp_kd_ind ON kd_point_tbl USING spgist (p kd_point_ops);
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CREATE TABLE suffix_text_tbl AS
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SELECT name AS t FROM road WHERE name !~ '^[0-9]';
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INSERT INTO suffix_text_tbl
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SELECT 'P0123456789abcdef' FROM generate_series(1,1000);
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INSERT INTO suffix_text_tbl VALUES ('P0123456789abcde');
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INSERT INTO suffix_text_tbl VALUES ('P0123456789abcdefF');
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CREATE INDEX sp_suff_ind ON suffix_text_tbl USING spgist (t);
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--
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-- Test GiST and SP-GiST indexes
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--
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-- get non-indexed results for comparison purposes
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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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SELECT * FROM fast_emp4000
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WHERE home_base @ '(200,200),(2000,1000)'::box
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ORDER BY (home_base[0])[0];
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SELECT count(*) FROM fast_emp4000 WHERE home_base && '(1000,1000,0,0)'::box;
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SELECT count(*) FROM fast_emp4000 WHERE home_base IS NULL;
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SELECT * FROM polygon_tbl WHERE f1 ~ '((1,1),(2,2),(2,1))'::polygon
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ORDER BY (poly_center(f1))[0];
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SELECT * FROM circle_tbl WHERE f1 && circle(point(1,-2), 1)
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ORDER BY area(f1);
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SELECT count(*) FROM gpolygon_tbl WHERE f1 && '(1000,1000,0,0)'::polygon;
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SELECT count(*) FROM gcircle_tbl WHERE f1 && '<(500,500),500>'::circle;
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SELECT count(*) FROM point_tbl WHERE f1 <@ box '(0,0,100,100)';
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SELECT count(*) FROM point_tbl WHERE box '(0,0,100,100)' @> f1;
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SELECT count(*) FROM point_tbl WHERE f1 <@ polygon '(0,0),(0,100),(100,100),(50,50),(100,0),(0,0)';
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SELECT count(*) FROM point_tbl WHERE f1 <@ circle '<(50,50),50>';
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SELECT count(*) FROM point_tbl p WHERE p.f1 << '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 >> '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 <^ '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 >^ '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 ~= '(-5, -12)';
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SELECT * FROM point_tbl ORDER BY f1 <-> '0,1';
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SELECT * FROM point_tbl WHERE f1 IS NULL;
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SELECT * FROM point_tbl WHERE f1 IS NOT NULL ORDER BY f1 <-> '0,1';
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SELECT * FROM point_tbl WHERE f1 <@ '(-10,-10),(10,10)':: box ORDER BY f1 <-> '0,1';
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SELECT count(*) FROM quad_point_tbl WHERE p IS NULL;
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SELECT count(*) FROM quad_point_tbl WHERE p IS NOT NULL;
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SELECT count(*) FROM quad_point_tbl;
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SELECT count(*) FROM quad_point_tbl WHERE p <@ box '(200,200,1000,1000)';
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SELECT count(*) FROM quad_point_tbl WHERE box '(200,200,1000,1000)' @> p;
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SELECT count(*) FROM quad_point_tbl WHERE p << '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p >> '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p <^ '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p >^ '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p ~= '(4585, 365)';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdef';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcde';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdefF';
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SELECT count(*) FROM suffix_text_tbl WHERE t < 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<~ 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t <= 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<=~ 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t >= 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~>=~ 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t > 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~>~ 'Worth St ';
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-- Now check the results from plain indexscan
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SET enable_seqscan = OFF;
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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 * FROM fast_emp4000
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WHERE home_base @ '(200,200),(2000,1000)'::box
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ORDER BY (home_base[0])[0];
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SELECT * FROM fast_emp4000
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WHERE home_base @ '(200,200),(2000,1000)'::box
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ORDER BY (home_base[0])[0];
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM fast_emp4000 WHERE home_base && '(1000,1000,0,0)'::box;
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SELECT count(*) FROM fast_emp4000 WHERE home_base && '(1000,1000,0,0)'::box;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM fast_emp4000 WHERE home_base IS NULL;
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SELECT count(*) FROM fast_emp4000 WHERE home_base IS NULL;
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EXPLAIN (COSTS OFF)
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SELECT * FROM polygon_tbl WHERE f1 ~ '((1,1),(2,2),(2,1))'::polygon
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ORDER BY (poly_center(f1))[0];
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SELECT * FROM polygon_tbl WHERE f1 ~ '((1,1),(2,2),(2,1))'::polygon
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ORDER BY (poly_center(f1))[0];
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EXPLAIN (COSTS OFF)
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SELECT * FROM circle_tbl WHERE f1 && circle(point(1,-2), 1)
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ORDER BY area(f1);
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SELECT * FROM circle_tbl WHERE f1 && circle(point(1,-2), 1)
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ORDER BY area(f1);
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM gpolygon_tbl WHERE f1 && '(1000,1000,0,0)'::polygon;
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SELECT count(*) FROM gpolygon_tbl WHERE f1 && '(1000,1000,0,0)'::polygon;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM gcircle_tbl WHERE f1 && '<(500,500),500>'::circle;
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SELECT count(*) FROM gcircle_tbl WHERE f1 && '<(500,500),500>'::circle;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl WHERE f1 <@ box '(0,0,100,100)';
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SELECT count(*) FROM point_tbl WHERE f1 <@ box '(0,0,100,100)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl WHERE box '(0,0,100,100)' @> f1;
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SELECT count(*) FROM point_tbl WHERE box '(0,0,100,100)' @> f1;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl WHERE f1 <@ polygon '(0,0),(0,100),(100,100),(50,50),(100,0),(0,0)';
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SELECT count(*) FROM point_tbl WHERE f1 <@ polygon '(0,0),(0,100),(100,100),(50,50),(100,0),(0,0)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl WHERE f1 <@ circle '<(50,50),50>';
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SELECT count(*) FROM point_tbl WHERE f1 <@ circle '<(50,50),50>';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl p WHERE p.f1 << '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 << '(0.0, 0.0)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl p WHERE p.f1 >> '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 >> '(0.0, 0.0)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl p WHERE p.f1 <^ '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 <^ '(0.0, 0.0)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl p WHERE p.f1 >^ '(0.0, 0.0)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 >^ '(0.0, 0.0)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM point_tbl p WHERE p.f1 ~= '(-5, -12)';
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SELECT count(*) FROM point_tbl p WHERE p.f1 ~= '(-5, -12)';
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EXPLAIN (COSTS OFF)
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SELECT * FROM point_tbl ORDER BY f1 <-> '0,1';
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SELECT * FROM point_tbl ORDER BY f1 <-> '0,1';
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EXPLAIN (COSTS OFF)
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SELECT * FROM point_tbl WHERE f1 IS NULL;
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SELECT * FROM point_tbl WHERE f1 IS NULL;
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EXPLAIN (COSTS OFF)
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SELECT * FROM point_tbl WHERE f1 IS NOT NULL ORDER BY f1 <-> '0,1';
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SELECT * FROM point_tbl WHERE f1 IS NOT NULL ORDER BY f1 <-> '0,1';
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EXPLAIN (COSTS OFF)
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SELECT * FROM point_tbl WHERE f1 <@ '(-10,-10),(10,10)':: box ORDER BY f1 <-> '0,1';
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SELECT * FROM point_tbl WHERE f1 <@ '(-10,-10),(10,10)':: box ORDER BY f1 <-> '0,1';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p IS NULL;
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SELECT count(*) FROM quad_point_tbl WHERE p IS NULL;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p IS NOT NULL;
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SELECT count(*) FROM quad_point_tbl WHERE p IS NOT NULL;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl;
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SELECT count(*) FROM quad_point_tbl;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p <@ box '(200,200,1000,1000)';
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SELECT count(*) FROM quad_point_tbl WHERE p <@ box '(200,200,1000,1000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE box '(200,200,1000,1000)' @> p;
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SELECT count(*) FROM quad_point_tbl WHERE box '(200,200,1000,1000)' @> p;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p << '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p << '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p >> '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p >> '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p <^ '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p <^ '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p >^ '(5000, 4000)';
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SELECT count(*) FROM quad_point_tbl WHERE p >^ '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM quad_point_tbl WHERE p ~= '(4585, 365)';
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SELECT count(*) FROM quad_point_tbl WHERE p ~= '(4585, 365)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p <@ box '(200,200,1000,1000)';
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SELECT count(*) FROM kd_point_tbl WHERE p <@ box '(200,200,1000,1000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE box '(200,200,1000,1000)' @> p;
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SELECT count(*) FROM kd_point_tbl WHERE box '(200,200,1000,1000)' @> p;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p << '(5000, 4000)';
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SELECT count(*) FROM kd_point_tbl WHERE p << '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p >> '(5000, 4000)';
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SELECT count(*) FROM kd_point_tbl WHERE p >> '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p <^ '(5000, 4000)';
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SELECT count(*) FROM kd_point_tbl WHERE p <^ '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p >^ '(5000, 4000)';
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SELECT count(*) FROM kd_point_tbl WHERE p >^ '(5000, 4000)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM kd_point_tbl WHERE p ~= '(4585, 365)';
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SELECT count(*) FROM kd_point_tbl WHERE p ~= '(4585, 365)';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdef';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdef';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcde';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcde';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdefF';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdefF';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t < 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t < 'Aztec Ct ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<~ 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<~ 'Aztec Ct ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t <= 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t <= 'Aztec Ct ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<=~ 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t ~<=~ 'Aztec Ct ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Aztec Ct ';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Aztec Ct ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t = 'Worth St ';
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM suffix_text_tbl WHERE t >= 'Worth St ';
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SELECT count(*) FROM suffix_text_tbl WHERE t >= 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>=~ 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>=~ 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t > 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t > 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>~ 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>~ 'Worth St ';
|
|
|
|
-- Now check the results from bitmap indexscan
|
|
SET enable_seqscan = OFF;
|
|
SET enable_indexscan = OFF;
|
|
SET enable_bitmapscan = ON;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT * FROM point_tbl WHERE f1 <@ '(-10,-10),(10,10)':: box ORDER BY f1 <-> '0,1';
|
|
SELECT * FROM point_tbl WHERE f1 <@ '(-10,-10),(10,10)':: box ORDER BY f1 <-> '0,1';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p IS NULL;
|
|
SELECT count(*) FROM quad_point_tbl WHERE p IS NULL;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p IS NOT NULL;
|
|
SELECT count(*) FROM quad_point_tbl WHERE p IS NOT NULL;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl;
|
|
SELECT count(*) FROM quad_point_tbl;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p <@ box '(200,200,1000,1000)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p <@ box '(200,200,1000,1000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE box '(200,200,1000,1000)' @> p;
|
|
SELECT count(*) FROM quad_point_tbl WHERE box '(200,200,1000,1000)' @> p;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p << '(5000, 4000)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p << '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p >> '(5000, 4000)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p >> '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p <^ '(5000, 4000)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p <^ '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p >^ '(5000, 4000)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p >^ '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM quad_point_tbl WHERE p ~= '(4585, 365)';
|
|
SELECT count(*) FROM quad_point_tbl WHERE p ~= '(4585, 365)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p <@ box '(200,200,1000,1000)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p <@ box '(200,200,1000,1000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE box '(200,200,1000,1000)' @> p;
|
|
SELECT count(*) FROM kd_point_tbl WHERE box '(200,200,1000,1000)' @> p;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p << '(5000, 4000)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p << '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p >> '(5000, 4000)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p >> '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p <^ '(5000, 4000)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p <^ '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p >^ '(5000, 4000)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p >^ '(5000, 4000)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM kd_point_tbl WHERE p ~= '(4585, 365)';
|
|
SELECT count(*) FROM kd_point_tbl WHERE p ~= '(4585, 365)';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdef';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdef';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcde';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcde';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdefF';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'P0123456789abcdefF';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t < 'Aztec Ct ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t < 'Aztec Ct ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~<~ 'Aztec Ct ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~<~ 'Aztec Ct ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t <= 'Aztec Ct ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t <= 'Aztec Ct ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~<=~ 'Aztec Ct ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~<=~ 'Aztec Ct ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'Aztec Ct ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'Aztec Ct ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t = 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t >= 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t >= 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>=~ 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>=~ 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t > 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t > 'Worth St ';
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>~ 'Worth St ';
|
|
SELECT count(*) FROM suffix_text_tbl WHERE t ~>~ 'Worth St ';
|
|
|
|
RESET enable_seqscan;
|
|
RESET enable_indexscan;
|
|
RESET enable_bitmapscan;
|
|
|
|
--
|
|
-- GIN over int[] and text[]
|
|
--
|
|
-- Note: GIN currently supports only bitmap scans, not plain indexscans
|
|
--
|
|
|
|
SET enable_seqscan = OFF;
|
|
SET enable_indexscan = OFF;
|
|
SET enable_bitmapscan = ON;
|
|
|
|
CREATE INDEX intarrayidx ON array_index_op_test USING gin (i);
|
|
|
|
explain (costs off)
|
|
SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
|
|
|
|
SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i @> '{17}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{17}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i @> '{32,17}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{32,17}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i = '{47,77}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i = '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i @> '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i <@ '{}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i = '{NULL}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i @> '{NULL}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i && '{NULL}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i <@ '{NULL}' ORDER BY seqno;
|
|
|
|
CREATE INDEX textarrayidx ON array_index_op_test USING gin (t);
|
|
|
|
explain (costs off)
|
|
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAA72908}' ORDER BY seqno;
|
|
|
|
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAA72908}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAA72908}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAAAA646}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAAAA646}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t <@ '{AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t = '{AAAAAAAAAA646,A87088}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t = '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t @> '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t && '{}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t <@ '{}' ORDER BY seqno;
|
|
|
|
-- And try it with a multicolumn GIN index
|
|
|
|
DROP INDEX intarrayidx, textarrayidx;
|
|
|
|
CREATE INDEX botharrayidx ON array_index_op_test USING gin (i, t);
|
|
|
|
SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAA80240}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAA80240}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i @> '{32}' AND t && '{AAAAAAA80240}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE i && '{32}' AND t @> '{AAAAAAA80240}' ORDER BY seqno;
|
|
SELECT * FROM array_index_op_test WHERE t = '{}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i = '{NULL}' ORDER BY seqno;
|
|
SELECT * FROM array_op_test WHERE i <@ '{NULL}' ORDER BY seqno;
|
|
|
|
RESET enable_seqscan;
|
|
RESET enable_indexscan;
|
|
RESET enable_bitmapscan;
|
|
|
|
--
|
|
-- HASH
|
|
--
|
|
CREATE INDEX hash_i4_index ON hash_i4_heap USING hash (random int4_ops);
|
|
|
|
CREATE INDEX hash_name_index ON hash_name_heap USING hash (random name_ops);
|
|
|
|
CREATE INDEX hash_txt_index ON hash_txt_heap USING hash (random text_ops);
|
|
|
|
CREATE INDEX hash_f8_index ON hash_f8_heap USING hash (random float8_ops);
|
|
|
|
-- CREATE INDEX hash_ovfl_index ON hash_ovfl_heap USING hash (x int4_ops);
|
|
|
|
|
|
--
|
|
-- Test functional index
|
|
--
|
|
CREATE TABLE func_index_heap (f1 text, f2 text);
|
|
CREATE UNIQUE INDEX func_index_index on func_index_heap (textcat(f1,f2));
|
|
|
|
INSERT INTO func_index_heap VALUES('ABC','DEF');
|
|
INSERT INTO func_index_heap VALUES('AB','CDEFG');
|
|
INSERT INTO func_index_heap VALUES('QWE','RTY');
|
|
-- this should fail because of unique index:
|
|
INSERT INTO func_index_heap VALUES('ABCD', 'EF');
|
|
-- but this shouldn't:
|
|
INSERT INTO func_index_heap VALUES('QWERTY');
|
|
|
|
|
|
--
|
|
-- Same test, expressional index
|
|
--
|
|
DROP TABLE func_index_heap;
|
|
CREATE TABLE func_index_heap (f1 text, f2 text);
|
|
CREATE UNIQUE INDEX func_index_index on func_index_heap ((f1 || f2) text_ops);
|
|
|
|
INSERT INTO func_index_heap VALUES('ABC','DEF');
|
|
INSERT INTO func_index_heap VALUES('AB','CDEFG');
|
|
INSERT INTO func_index_heap VALUES('QWE','RTY');
|
|
-- this should fail because of unique index:
|
|
INSERT INTO func_index_heap VALUES('ABCD', 'EF');
|
|
-- but this shouldn't:
|
|
INSERT INTO func_index_heap VALUES('QWERTY');
|
|
|
|
--
|
|
-- Also try building functional, expressional, and partial indexes on
|
|
-- tables that already contain data.
|
|
--
|
|
create unique index hash_f8_index_1 on hash_f8_heap(abs(random));
|
|
create unique index hash_f8_index_2 on hash_f8_heap((seqno + 1), random);
|
|
create unique index hash_f8_index_3 on hash_f8_heap(random) where seqno > 1000;
|
|
|
|
--
|
|
-- Try some concurrent index builds
|
|
--
|
|
-- Unfortunately this only tests about half the code paths because there are
|
|
-- no concurrent updates happening to the table at the same time.
|
|
|
|
CREATE TABLE concur_heap (f1 text, f2 text);
|
|
-- empty table
|
|
CREATE INDEX CONCURRENTLY concur_index1 ON concur_heap(f2,f1);
|
|
INSERT INTO concur_heap VALUES ('a','b');
|
|
INSERT INTO concur_heap VALUES ('b','b');
|
|
-- unique index
|
|
CREATE UNIQUE INDEX CONCURRENTLY concur_index2 ON concur_heap(f1);
|
|
-- check if constraint is set up properly to be enforced
|
|
INSERT INTO concur_heap VALUES ('b','x');
|
|
-- check if constraint is enforced properly at build time
|
|
CREATE UNIQUE INDEX CONCURRENTLY concur_index3 ON concur_heap(f2);
|
|
-- test that expression indexes and partial indexes work concurrently
|
|
CREATE INDEX CONCURRENTLY concur_index4 on concur_heap(f2) WHERE f1='a';
|
|
CREATE INDEX CONCURRENTLY concur_index5 on concur_heap(f2) WHERE f1='x';
|
|
-- here we also check that you can default the index name
|
|
CREATE INDEX CONCURRENTLY on concur_heap((f2||f1));
|
|
|
|
-- You can't do a concurrent index build in a transaction
|
|
BEGIN;
|
|
CREATE INDEX CONCURRENTLY concur_index7 ON concur_heap(f1);
|
|
COMMIT;
|
|
|
|
-- But you can do a regular index build in a transaction
|
|
BEGIN;
|
|
CREATE INDEX std_index on concur_heap(f2);
|
|
COMMIT;
|
|
|
|
-- Failed builds are left invalid by VACUUM FULL, fixed by REINDEX
|
|
VACUUM FULL concur_heap;
|
|
REINDEX TABLE concur_heap;
|
|
DELETE FROM concur_heap WHERE f1 = 'b';
|
|
VACUUM FULL concur_heap;
|
|
\d concur_heap
|
|
REINDEX TABLE concur_heap;
|
|
\d concur_heap
|
|
|
|
--
|
|
-- Try some concurrent index drops
|
|
--
|
|
DROP INDEX CONCURRENTLY "concur_index2"; -- works
|
|
DROP INDEX CONCURRENTLY IF EXISTS "concur_index2"; -- notice
|
|
|
|
-- failures
|
|
DROP INDEX CONCURRENTLY "concur_index2", "concur_index3";
|
|
BEGIN;
|
|
DROP INDEX CONCURRENTLY "concur_index5";
|
|
ROLLBACK;
|
|
|
|
-- successes
|
|
DROP INDEX CONCURRENTLY IF EXISTS "concur_index3";
|
|
DROP INDEX CONCURRENTLY "concur_index4";
|
|
DROP INDEX CONCURRENTLY "concur_index5";
|
|
DROP INDEX CONCURRENTLY "concur_index1";
|
|
DROP INDEX CONCURRENTLY "concur_heap_expr_idx";
|
|
|
|
\d concur_heap
|
|
|
|
DROP TABLE concur_heap;
|
|
|
|
--
|
|
-- Test ADD CONSTRAINT USING INDEX
|
|
--
|
|
|
|
CREATE TABLE cwi_test( a int , b varchar(10), c char);
|
|
|
|
-- add some data so that all tests have something to work with.
|
|
|
|
INSERT INTO cwi_test VALUES(1, 2), (3, 4), (5, 6);
|
|
|
|
CREATE UNIQUE INDEX cwi_uniq_idx ON cwi_test(a , b);
|
|
ALTER TABLE cwi_test ADD primary key USING INDEX cwi_uniq_idx;
|
|
|
|
\d cwi_test
|
|
|
|
CREATE UNIQUE INDEX cwi_uniq2_idx ON cwi_test(b , a);
|
|
ALTER TABLE cwi_test DROP CONSTRAINT cwi_uniq_idx,
|
|
ADD CONSTRAINT cwi_replaced_pkey PRIMARY KEY
|
|
USING INDEX cwi_uniq2_idx;
|
|
|
|
\d cwi_test
|
|
|
|
DROP INDEX cwi_replaced_pkey; -- Should fail; a constraint depends on it
|
|
|
|
DROP TABLE cwi_test;
|
|
|
|
--
|
|
-- Tests for IS NULL/IS NOT NULL with b-tree indexes
|
|
--
|
|
|
|
SELECT unique1, unique2 INTO onek_with_null FROM onek;
|
|
INSERT INTO onek_with_null (unique1,unique2) VALUES (NULL, -1), (NULL, NULL);
|
|
CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2,unique1);
|
|
|
|
SET enable_seqscan = OFF;
|
|
SET enable_indexscan = ON;
|
|
SET enable_bitmapscan = ON;
|
|
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL AND unique1 > 500;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique1 > 500;
|
|
|
|
DROP INDEX onek_nulltest;
|
|
|
|
CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 desc,unique1);
|
|
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL AND unique1 > 500;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique1 > 500;
|
|
|
|
DROP INDEX onek_nulltest;
|
|
|
|
CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 desc nulls last,unique1);
|
|
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL AND unique1 > 500;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique1 > 500;
|
|
|
|
DROP INDEX onek_nulltest;
|
|
|
|
CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 nulls first,unique1);
|
|
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL AND unique1 > 500;
|
|
SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique1 > 500;
|
|
|
|
DROP INDEX onek_nulltest;
|
|
|
|
-- Check initial-positioning logic too
|
|
|
|
CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2);
|
|
|
|
SET enable_seqscan = OFF;
|
|
SET enable_indexscan = ON;
|
|
SET enable_bitmapscan = OFF;
|
|
|
|
SELECT unique1, unique2 FROM onek_with_null
|
|
ORDER BY unique2 LIMIT 2;
|
|
SELECT unique1, unique2 FROM onek_with_null WHERE unique2 >= -1
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ORDER BY unique2 LIMIT 2;
|
|
SELECT unique1, unique2 FROM onek_with_null WHERE unique2 >= 0
|
|
ORDER BY unique2 LIMIT 2;
|
|
|
|
SELECT unique1, unique2 FROM onek_with_null
|
|
ORDER BY unique2 DESC LIMIT 2;
|
|
SELECT unique1, unique2 FROM onek_with_null WHERE unique2 >= -1
|
|
ORDER BY unique2 DESC LIMIT 2;
|
|
SELECT unique1, unique2 FROM onek_with_null WHERE unique2 < 999
|
|
ORDER BY unique2 DESC LIMIT 2;
|
|
|
|
RESET enable_seqscan;
|
|
RESET enable_indexscan;
|
|
RESET enable_bitmapscan;
|
|
|
|
DROP TABLE onek_with_null;
|
|
|
|
--
|
|
-- Check bitmap index path planning
|
|
--
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT * FROM tenk1
|
|
WHERE thousand = 42 AND (tenthous = 1 OR tenthous = 3 OR tenthous = 42);
|
|
SELECT * FROM tenk1
|
|
WHERE thousand = 42 AND (tenthous = 1 OR tenthous = 3 OR tenthous = 42);
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM tenk1
|
|
WHERE hundred = 42 AND (thousand = 42 OR thousand = 99);
|
|
SELECT count(*) FROM tenk1
|
|
WHERE hundred = 42 AND (thousand = 42 OR thousand = 99);
|
|
|
|
--
|
|
-- Check behavior with duplicate index column contents
|
|
--
|
|
|
|
CREATE TABLE dupindexcols AS
|
|
SELECT unique1 as id, stringu2::text as f1 FROM tenk1;
|
|
CREATE INDEX dupindexcols_i ON dupindexcols (f1, id, f1 text_pattern_ops);
|
|
ANALYZE dupindexcols;
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT count(*) FROM dupindexcols
|
|
WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
|
|
SELECT count(*) FROM dupindexcols
|
|
WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
|
|
|
|
--
|
|
-- Check ordering of =ANY indexqual results (bug in 9.2.0)
|
|
--
|
|
|
|
vacuum tenk1; -- ensure we get consistent plans here
|
|
|
|
explain (costs off)
|
|
SELECT unique1 FROM tenk1
|
|
WHERE unique1 IN (1,42,7)
|
|
ORDER BY unique1;
|
|
|
|
SELECT unique1 FROM tenk1
|
|
WHERE unique1 IN (1,42,7)
|
|
ORDER BY unique1;
|
|
|
|
explain (costs off)
|
|
SELECT thousand, tenthous FROM tenk1
|
|
WHERE thousand < 2 AND tenthous IN (1001,3000)
|
|
ORDER BY thousand;
|
|
|
|
SELECT thousand, tenthous FROM tenk1
|
|
WHERE thousand < 2 AND tenthous IN (1001,3000)
|
|
ORDER BY thousand;
|
|
|
|
--
|
|
-- Check elimination of constant-NULL subexpressions
|
|
--
|
|
|
|
explain (costs off)
|
|
select * from tenk1 where (thousand, tenthous) in ((1,1001), (null,null));
|