429 lines
15 KiB
PL/PgSQL
429 lines
15 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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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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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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SET enable_seqscan = OFF;
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SET enable_indexscan = ON;
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SET enable_bitmapscan = ON;
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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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RESET enable_seqscan;
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RESET enable_indexscan;
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RESET enable_bitmapscan;
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--
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-- GIN over int[] and text[]
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--
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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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CREATE INDEX intarrayidx ON array_index_op_test USING gin (i);
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SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{32,17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32,17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i = '{47,77}' ORDER BY seqno;
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CREATE INDEX textarrayidx ON array_index_op_test USING gin (t);
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SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAA72908}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAA72908}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAAAA646}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAAAA646}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t && '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t <@ '{AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t = '{AAAAAAAAAA646,A87088}' ORDER BY seqno;
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-- Repeat some of the above tests but exercising bitmapscans instead
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SET enable_indexscan = OFF;
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SET enable_bitmapscan = ON;
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SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{32,17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32,17}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i = '{47,77}' ORDER BY seqno;
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-- And try it with a multicolumn GIN index
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DROP INDEX intarrayidx, textarrayidx;
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CREATE INDEX botharrayidx ON array_index_op_test USING gin (i, t);
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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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SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t && '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{32}' AND t && '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' AND t @> '{AAAAAAA80240}' ORDER BY seqno;
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SET enable_indexscan = OFF;
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SET enable_bitmapscan = ON;
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SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE t && '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i @> '{32}' AND t && '{AAAAAAA80240}' ORDER BY seqno;
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SELECT * FROM array_index_op_test WHERE i && '{32}' AND t @> '{AAAAAAA80240}' ORDER BY seqno;
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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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--
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-- HASH
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--
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CREATE INDEX hash_i4_index ON hash_i4_heap USING hash (random int4_ops);
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CREATE INDEX hash_name_index ON hash_name_heap USING hash (random name_ops);
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CREATE INDEX hash_txt_index ON hash_txt_heap USING hash (random text_ops);
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CREATE INDEX hash_f8_index ON hash_f8_heap USING hash (random float8_ops);
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-- CREATE INDEX hash_ovfl_index ON hash_ovfl_heap USING hash (x int4_ops);
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--
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-- Test functional index
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--
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CREATE TABLE func_index_heap (f1 text, f2 text);
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CREATE UNIQUE INDEX func_index_index on func_index_heap (textcat(f1,f2));
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INSERT INTO func_index_heap VALUES('ABC','DEF');
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INSERT INTO func_index_heap VALUES('AB','CDEFG');
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INSERT INTO func_index_heap VALUES('QWE','RTY');
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-- this should fail because of unique index:
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INSERT INTO func_index_heap VALUES('ABCD', 'EF');
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-- but this shouldn't:
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INSERT INTO func_index_heap VALUES('QWERTY');
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--
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-- Same test, expressional index
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--
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DROP TABLE func_index_heap;
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CREATE TABLE func_index_heap (f1 text, f2 text);
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CREATE UNIQUE INDEX func_index_index on func_index_heap ((f1 || f2) text_ops);
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INSERT INTO func_index_heap VALUES('ABC','DEF');
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INSERT INTO func_index_heap VALUES('AB','CDEFG');
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INSERT INTO func_index_heap VALUES('QWE','RTY');
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-- this should fail because of unique index:
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INSERT INTO func_index_heap VALUES('ABCD', 'EF');
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-- but this shouldn't:
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INSERT INTO func_index_heap VALUES('QWERTY');
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--
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-- Also try building functional, expressional, and partial indexes on
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-- tables that already contain data.
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--
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create unique index hash_f8_index_1 on hash_f8_heap(abs(random));
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create unique index hash_f8_index_2 on hash_f8_heap((seqno + 1), random);
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create unique index hash_f8_index_3 on hash_f8_heap(random) where seqno > 1000;
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--
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-- Try some concurrent index builds
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--
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-- Unfortunately this only tests about half the code paths because there are
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-- no concurrent updates happening to the table at the same time.
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CREATE TABLE concur_heap (f1 text, f2 text);
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-- empty table
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CREATE INDEX CONCURRENTLY concur_index1 ON concur_heap(f2,f1);
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INSERT INTO concur_heap VALUES ('a','b');
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INSERT INTO concur_heap VALUES ('b','b');
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-- unique index
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CREATE UNIQUE INDEX CONCURRENTLY concur_index2 ON concur_heap(f1);
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-- check if constraint is set up properly to be enforced
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INSERT INTO concur_heap VALUES ('b','x');
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-- check if constraint is enforced properly at build time
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CREATE UNIQUE INDEX CONCURRENTLY concur_index3 ON concur_heap(f2);
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-- test that expression indexes and partial indexes work concurrently
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CREATE INDEX CONCURRENTLY concur_index4 on concur_heap(f2) WHERE f1='a';
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CREATE INDEX CONCURRENTLY concur_index5 on concur_heap(f2) WHERE f1='x';
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-- here we also check that you can default the index name
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CREATE INDEX CONCURRENTLY on concur_heap((f2||f1));
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-- You can't do a concurrent index build in a transaction
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BEGIN;
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CREATE INDEX CONCURRENTLY concur_index7 ON concur_heap(f1);
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COMMIT;
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-- But you can do a regular index build in a transaction
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BEGIN;
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CREATE INDEX std_index on concur_heap(f2);
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COMMIT;
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-- check to make sure that the failed indexes were cleaned up properly and the
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-- successful indexes are created properly. Notably that they do NOT have the
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-- "invalid" flag set.
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\d concur_heap
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DROP TABLE concur_heap;
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--
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-- Tests for IS NULL/IS NOT NULL with b-tree indexes
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--
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SELECT unique1, unique2 INTO onek_with_null FROM onek;
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INSERT INTO onek_with_null (unique1,unique2) VALUES (NULL, -1), (NULL, NULL);
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CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2,unique1);
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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 onek_with_null WHERE unique1 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
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DROP INDEX onek_nulltest;
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CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 desc,unique1);
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
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DROP INDEX onek_nulltest;
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CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 desc nulls last,unique1);
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT NULL;
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DROP INDEX onek_nulltest;
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CREATE UNIQUE INDEX onek_nulltest ON onek_with_null (unique2 nulls first,unique1);
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NOT NULL;
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SELECT count(*) FROM onek_with_null WHERE unique1 IS NULL AND unique2 IS NOT 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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DROP TABLE onek_with_null;
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