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+# 2001 September 15
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is testing aggregate functions and the
+# GROUP BY and HAVING clauses of SELECT statements.
+#
+# $Id: select3.test,v 1.23 2008/01/16 18:20:42 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Build some test data
+#
+do_test select3-1.0 {
+ execsql {
+ CREATE TABLE t1(n int, log int);
+ BEGIN;
+ }
+ for {set i 1} {$i<32} {incr i} {
+ for {set j 0} {(1<<$j)<$i} {incr j} {}
+ execsql "INSERT INTO t1 VALUES($i,$j)"
+ }
+ execsql {
+ COMMIT
+ }
+ execsql {SELECT DISTINCT log FROM t1 ORDER BY log}
+} {0 1 2 3 4 5}
+
+# Basic aggregate functions.
+#
+do_test select3-1.1 {
+ execsql {SELECT count(*) FROM t1}
+} {31}
+do_test select3-1.2 {
+ execsql {
+ SELECT min(n),min(log),max(n),max(log),sum(n),sum(log),avg(n),avg(log)
+ FROM t1
+ }
+} {1 0 31 5 496 124 16.0 4.0}
+do_test select3-1.3 {
+ execsql {SELECT max(n)/avg(n), max(log)/avg(log) FROM t1}
+} {1.9375 1.25}
+
+# Try some basic GROUP BY clauses
+#
+do_test select3-2.1 {
+ execsql {SELECT log, count(*) FROM t1 GROUP BY log ORDER BY log}
+} {0 1 1 1 2 2 3 4 4 8 5 15}
+do_test select3-2.2 {
+ execsql {SELECT log, min(n) FROM t1 GROUP BY log ORDER BY log}
+} {0 1 1 2 2 3 3 5 4 9 5 17}
+do_test select3-2.3.1 {
+ execsql {SELECT log, avg(n) FROM t1 GROUP BY log ORDER BY log}
+} {0 1.0 1 2.0 2 3.5 3 6.5 4 12.5 5 24.0}
+do_test select3-2.3.2 {
+ execsql {SELECT log, avg(n)+1 FROM t1 GROUP BY log ORDER BY log}
+} {0 2.0 1 3.0 2 4.5 3 7.5 4 13.5 5 25.0}
+do_test select3-2.4 {
+ execsql {SELECT log, avg(n)-min(n) FROM t1 GROUP BY log ORDER BY log}
+} {0 0.0 1 0.0 2 0.5 3 1.5 4 3.5 5 7.0}
+do_test select3-2.5 {
+ execsql {SELECT log*2+1, avg(n)-min(n) FROM t1 GROUP BY log ORDER BY log}
+} {1 0.0 3 0.0 5 0.5 7 1.5 9 3.5 11 7.0}
+do_test select3-2.6 {
+ execsql {
+ SELECT log*2+1 as x, count(*) FROM t1 GROUP BY x ORDER BY x
+ }
+} {1 1 3 1 5 2 7 4 9 8 11 15}
+do_test select3-2.7 {
+ execsql {
+ SELECT log*2+1 AS x, count(*) AS y FROM t1 GROUP BY x ORDER BY y, x
+ }
+} {1 1 3 1 5 2 7 4 9 8 11 15}
+do_test select3-2.8 {
+ execsql {
+ SELECT log*2+1 AS x, count(*) AS y FROM t1 GROUP BY x ORDER BY 10-(x+y)
+ }
+} {11 15 9 8 7 4 5 2 3 1 1 1}
+#do_test select3-2.9 {
+# catchsql {
+# SELECT log, count(*) FROM t1 GROUP BY 'x' ORDER BY log;
+# }
+#} {1 {GROUP BY terms must not be non-integer constants}}
+do_test select3-2.10 {
+ catchsql {
+ SELECT log, count(*) FROM t1 GROUP BY 0 ORDER BY log;
+ }
+} {1 {1st GROUP BY term out of range - should be between 1 and 2}}
+do_test select3-2.11 {
+ catchsql {
+ SELECT log, count(*) FROM t1 GROUP BY 3 ORDER BY log;
+ }
+} {1 {1st GROUP BY term out of range - should be between 1 and 2}}
+do_test select3-2.12 {
+ catchsql {
+ SELECT log, count(*) FROM t1 GROUP BY 1 ORDER BY log;
+ }
+} {0 {0 1 1 1 2 2 3 4 4 8 5 15}}
+
+# Cannot have an empty GROUP BY
+do_test select3-2.13 {
+ catchsql {
+ SELECT log, count(*) FROM t1 GROUP BY ORDER BY log;
+ }
+} {1 {near "ORDER": syntax error}}
+do_test select3-2.14 {
+ catchsql {
+ SELECT log, count(*) FROM t1 GROUP BY;
+ }
+} {1 {near ";": syntax error}}
+
+# Cannot have a HAVING without a GROUP BY
+#
+# Update: As of 3.39.0, you can.
+#
+do_execsql_test select3-3.1 {
+ SELECT log, count(*) FROM t1 HAVING log>=4
+} {}
+do_execsql_test select3-3.2 {
+ SELECT count(*) FROM t1 HAVING log>=4
+} {}
+do_execsql_test select3-3.3 {
+ SELECT count(*) FROM t1 HAVING log!=400
+} {31}
+
+# Toss in some HAVING clauses
+#
+do_test select3-4.1 {
+ execsql {SELECT log, count(*) FROM t1 GROUP BY log HAVING log>=4 ORDER BY log}
+} {4 8 5 15}
+do_test select3-4.2 {
+ execsql {
+ SELECT log, count(*) FROM t1
+ GROUP BY log
+ HAVING count(*)>=4
+ ORDER BY log
+ }
+} {3 4 4 8 5 15}
+do_test select3-4.3 {
+ execsql {
+ SELECT log, count(*) FROM t1
+ GROUP BY log
+ HAVING count(*)>=4
+ ORDER BY max(n)+0
+ }
+} {3 4 4 8 5 15}
+do_test select3-4.4 {
+ execsql {
+ SELECT log AS x, count(*) AS y FROM t1
+ GROUP BY x
+ HAVING y>=4
+ ORDER BY max(n)+0
+ }
+} {3 4 4 8 5 15}
+do_test select3-4.5 {
+ execsql {
+ SELECT log AS x FROM t1
+ GROUP BY x
+ HAVING count(*)>=4
+ ORDER BY max(n)+0
+ }
+} {3 4 5}
+
+do_test select3-5.1 {
+ execsql {
+ SELECT log, count(*), avg(n), max(n+log*2) FROM t1
+ GROUP BY log
+ ORDER BY max(n+log*2)+0, avg(n)+0
+ }
+} {0 1 1.0 1 1 1 2.0 4 2 2 3.5 8 3 4 6.5 14 4 8 12.5 24 5 15 24.0 41}
+do_test select3-5.2 {
+ execsql {
+ SELECT log, count(*), avg(n), max(n+log*2) FROM t1
+ GROUP BY log
+ ORDER BY max(n+log*2)+0, min(log,avg(n))+0
+ }
+} {0 1 1.0 1 1 1 2.0 4 2 2 3.5 8 3 4 6.5 14 4 8 12.5 24 5 15 24.0 41}
+
+# Test sorting of GROUP BY results in the presence of an index
+# on the GROUP BY column.
+#
+do_test select3-6.1 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY log;
+ }
+} {0 1 1 2 2 3 3 5 4 9 5 17}
+do_test select3-6.2 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY log DESC;
+ }
+} {5 17 4 9 3 5 2 3 1 2 0 1}
+do_test select3-6.3 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY 1;
+ }
+} {0 1 1 2 2 3 3 5 4 9 5 17}
+do_test select3-6.4 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY 1 DESC;
+ }
+} {5 17 4 9 3 5 2 3 1 2 0 1}
+do_test select3-6.5 {
+ execsql {
+ CREATE INDEX i1 ON t1(log);
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY log;
+ }
+} {0 1 1 2 2 3 3 5 4 9 5 17}
+do_test select3-6.6 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY log DESC;
+ }
+} {5 17 4 9 3 5 2 3 1 2 0 1}
+do_test select3-6.7 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY 1;
+ }
+} {0 1 1 2 2 3 3 5 4 9 5 17}
+do_test select3-6.8 {
+ execsql {
+ SELECT log, min(n) FROM t1 GROUP BY log ORDER BY 1 DESC;
+ }
+} {5 17 4 9 3 5 2 3 1 2 0 1}
+
+# Sometimes an aggregate query can return no rows at all.
+#
+do_test select3-7.1 {
+ execsql {
+ CREATE TABLE t2(a,b);
+ INSERT INTO t2 VALUES(1,2);
+ SELECT a, sum(b) FROM t2 WHERE b=5 GROUP BY a;
+ }
+} {}
+do_test select3-7.2 {
+ execsql {
+ SELECT a, sum(b) FROM t2 WHERE b=5;
+ }
+} {{} {}}
+
+# If a table column is of type REAL but we are storing integer values
+# in it, the values are stored as integers to take up less space. The
+# values are converted by to REAL as they are read out of the table.
+# Make sure the GROUP BY clause does this conversion correctly.
+# Ticket #2251.
+#
+do_test select3-8.1 {
+ execsql {
+ CREATE TABLE A (
+ A1 DOUBLE,
+ A2 VARCHAR COLLATE NOCASE,
+ A3 DOUBLE
+ );
+ INSERT INTO A VALUES(39136,'ABC',1201900000);
+ INSERT INTO A VALUES(39136,'ABC',1207000000);
+ SELECT typeof(sum(a3)) FROM a;
+ }
+} {real}
+do_test select3-8.2 {
+ execsql {
+ SELECT typeof(sum(a3)) FROM a GROUP BY a1;
+ }
+} {real}
+
+# 2019-05-09 ticket https://www.sqlite.org/src/tktview/6c1d3febc00b22d457c7
+#
+unset -nocomplain x
+foreach {id x} {
+ 100 127
+ 101 128
+ 102 -127
+ 103 -128
+ 104 -129
+ 110 32767
+ 111 32768
+ 112 -32767
+ 113 -32768
+ 114 -32769
+ 120 2147483647
+ 121 2147483648
+ 122 -2147483647
+ 123 -2147483648
+ 124 -2147483649
+ 130 140737488355327
+ 131 140737488355328
+ 132 -140737488355327
+ 133 -140737488355328
+ 134 -140737488355329
+ 140 9223372036854775807
+ 141 -9223372036854775807
+ 142 -9223372036854775808
+ 143 9223372036854775806
+ 144 9223372036854775805
+ 145 -9223372036854775806
+ 146 -9223372036854775805
+
+} {
+ set x [expr {$x+0}]
+ do_execsql_test select3-8.$id {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1 (c0, c1 REAL PRIMARY KEY);
+ INSERT INTO t1(c0, c1) VALUES (0, $x), (0, 0);
+ UPDATE t1 SET c0 = NULL;
+ UPDATE OR REPLACE t1 SET c1 = 1;
+ SELECT DISTINCT * FROM t1 WHERE (t1.c0 IS NULL);
+ PRAGMA integrity_check;
+ } {{} 1.0 ok}
+}
+
+# 2020-03-10 ticket e0c2ad1aa8a9c691
+reset_db
+do_execsql_test select3-9.100 {
+ CREATE TABLE t0(c0 REAL, c1 REAL GENERATED ALWAYS AS (c0));
+ INSERT INTO t0(c0) VALUES (1);
+ SELECT * FROM t0 GROUP BY c0;
+} {1.0 1.0}
+
+reset_db
+do_execsql_test select3.10.100 {
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(c, d);
+ SELECT max(t1.a),
+ (SELECT 'xyz' FROM (SELECT * FROM t2 WHERE 0) WHERE t1.b=1)
+ FROM t1;
+} {{} {}}
+
+#-------------------------------------------------------------------------
+# dbsqlfuzz crash-8e17857db2c5a9294c975123ac807156a6559f13.txt
+# Associated with the flatten-left-join branch circa 2022-06-23.
+#
+foreach {tn sql} {
+ 1 {
+ CREATE TABLE t1(a TEXT);
+ CREATE TABLE t2(x INT);
+ CREATE INDEX t2x ON t2(x);
+ INSERT INTO t1 VALUES('abc');
+ }
+ 2 {
+ CREATE TABLE t1(a TEXT);
+ CREATE TABLE t2(x INT);
+ INSERT INTO t1 VALUES('abc');
+ }
+ 3 {
+ CREATE TABLE t1(a TEXT);
+ CREATE TABLE t2(x INT);
+ INSERT INTO t1 VALUES('abc');
+ PRAGMA automatic_index=OFF;
+ }
+} {
+ reset_db
+ do_execsql_test select3-11.$tn.1 $sql
+ do_execsql_test select3.11.$tn.2 {
+ SELECT max(a), val FROM t1 LEFT JOIN (
+ SELECT 'constant' AS val FROM t2 WHERE x=1234
+ )
+ } {abc {}}
+ do_execsql_test select3.11.$tn.3 {
+ INSERT INTO t2 VALUES(123);
+ SELECT max(a), val FROM t1 LEFT JOIN (
+ SELECT 'constant' AS val FROM t2 WHERE x=1234
+ )
+ } {abc {}}
+ do_execsql_test select3.11.$tn.4 {
+ INSERT INTO t2 VALUES(1234);
+ SELECT max(a), val FROM t1 LEFT JOIN (
+ SELECT 'constant' AS val FROM t2 WHERE x=1234
+ )
+ } {abc constant}
+}
+
+reset_db
+do_execsql_test 12.0 {
+ CREATE TABLE t1(a);
+ CREATE TABLE t2(x);
+}
+do_execsql_test 12.1 {
+ SELECT count(x), m FROM t1 LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+}
+do_execsql_test 12.2 {
+ INSERT INTO t1 VALUES(1), (1), (2), (3);
+ SELECT count(x), m FROM t1 LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+} {
+ 0 {}
+ 0 {}
+ 0 {}
+}
+do_execsql_test 12.3 {
+ INSERT INTO t2 VALUES(45);
+ SELECT count(x), m FROM t1 LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+} {
+ 2 59
+ 1 59
+ 1 59
+}
+do_execsql_test 12.4 {
+ INSERT INTO t2 VALUES(210);
+ SELECT count(x), m FROM t1 LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+} {
+ 4 59
+ 2 59
+ 2 59
+}
+do_execsql_test 12.5 {
+ INSERT INTO t2 VALUES(NULL);
+ SELECT count(x), m FROM t1 LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+} {
+ 4 59
+ 2 59
+ 2 59
+}
+do_execsql_test 12.6 {
+ DELETE FROM t2;
+ DELETE FROM t1;
+ INSERT INTO t1 VALUES('value');
+ INSERT INTO t2 VALUES('hello');
+} {}
+do_execsql_test 12.7 {
+ SELECT group_concat(x), m FROM t1
+ LEFT JOIN (SELECT x, 59 AS m FROM t2) GROUP BY a;
+} {
+ hello 59
+}
+do_execsql_test 12.8 {
+ SELECT group_concat(x), m, n FROM t1
+ LEFT JOIN (SELECT x, 59 AS m, 60 AS n FROM t2) GROUP BY a;
+} {
+ hello 59 60
+}
+
+finish_test
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-19 22:58:01 +0000