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133 lines
3.2 KiB
Tcl
133 lines
3.2 KiB
Tcl
# 2018 May 19
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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source [file join [file dirname $argv0] pg_common.tcl]
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#=========================================================================
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start_test filter2 "2019 July 2"
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ifcapable !windowfunc
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execsql_test 1.0 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b INTEGER);
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INSERT INTO t1 VALUES
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(1, 7), (2, 3), (3, 5), (4, 30), (5, 26), (6, 23), (7, 27),
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(8, 3), (9, 17), (10, 26), (11, 33), (12, 25), (13, NULL), (14, 47),
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(15, 36), (16, 13), (17, 45), (18, 31), (19, 11), (20, 36), (21, 37),
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(22, 21), (23, 22), (24, 14), (25, 16), (26, 3), (27, 7), (28, 29),
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(29, 50), (30, 38), (31, 3), (32, 36), (33, 12), (34, 4), (35, 46),
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(36, 3), (37, 48), (38, 23), (39, NULL), (40, 24), (41, 5), (42, 46),
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(43, 11), (44, NULL), (45, 18), (46, 25), (47, 15), (48, 18), (49, 23);
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}
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execsql_test 1.1 { SELECT sum(b) FROM t1 }
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execsql_test 1.2 { SELECT sum(b) FILTER (WHERE a<10) FROM t1 }
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execsql_test 1.3 { SELECT count(DISTINCT b) FROM t1 }
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execsql_test 1.4 { SELECT count(DISTINCT b) FILTER (WHERE a!=19) FROM t1 }
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execsql_test 1.5 {
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SELECT min(b) FILTER (WHERE a>19),
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min(b) FILTER (WHERE a>0),
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max(a+b) FILTER (WHERE a>19),
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max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
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FROM t1;
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}
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execsql_test 1.6 {
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SELECT min(b),
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min(b),
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max(a+b),
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max(b+a)
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FROM t1
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GROUP BY (a%10)
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ORDER BY 1, 2, 3, 4;
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}
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execsql_test 1.7 {
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SELECT min(b) FILTER (WHERE a>19),
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min(b) FILTER (WHERE a>0),
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max(a+b) FILTER (WHERE a>19),
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max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
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FROM t1
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GROUP BY (a%10)
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ORDER BY 1, 2, 3, 4;
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}
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execsql_test 1.8 {
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SELECT sum(a+b) FILTER (WHERE a=NULL) FROM t1
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}
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execsql_test 1.9 {
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SELECT (a%5) FROM t1 GROUP BY (a%5)
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HAVING sum(b) FILTER (WHERE b<20) > 34
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ORDER BY 1
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}
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execsql_test 1.10 {
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SELECT (a%5), sum(b) FILTER (WHERE b<20) AS bbb
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FROM t1
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GROUP BY (a%5) HAVING sum(b) FILTER (WHERE b<20) >34
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ORDER BY 1
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}
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execsql_test 1.11 {
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SELECT (a%5), sum(b) FILTER (WHERE b<20) AS bbb
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FROM t1
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GROUP BY (a%5) HAVING sum(b) FILTER (WHERE b<20) >34
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ORDER BY 2
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}
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execsql_test 1.12 {
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SELECT (a%5),
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sum(b) FILTER (WHERE b<20) AS bbb,
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count(distinct b) FILTER (WHERE b<20 OR a=13) AS ccc
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FROM t1 GROUP BY (a%5)
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ORDER BY 2
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}
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execsql_test 1.13 {
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SELECT
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string_agg(CAST(b AS TEXT), '_') FILTER (WHERE b%2!=0),
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string_agg(CAST(b AS TEXT), '_') FILTER (WHERE b%2!=1),
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count(*) FILTER (WHERE b%2!=0),
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count(*) FILTER (WHERE b%2!=1)
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FROM t1;
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}
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execsql_float_test 1.14 {
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SELECT
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avg(b) FILTER (WHERE b>a),
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avg(b) FILTER (WHERE b<a)
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FROM t1 GROUP BY (a%2) ORDER BY 1,2;
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}
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execsql_test 1.15 {
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SELECT
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a/5,
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sum(b) FILTER (WHERE a%5=0),
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sum(b) FILTER (WHERE a%5=1),
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sum(b) FILTER (WHERE a%5=2),
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sum(b) FILTER (WHERE a%5=3),
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sum(b) FILTER (WHERE a%5=4)
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FROM t1 GROUP BY (a/5) ORDER BY 1;
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}
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finish_test
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