Index: third_party/sqlite/sqlite-src-3080704/test/select3.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/select3.test b/third_party/sqlite/sqlite-src-3080704/test/select3.test |
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index 0000000000000000000000000000000000000000..b5dbef5fb44cef397ef4fa1d84ef076650afd0fa |
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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 |
+# |
+do_test select3-3.1 { |
+ set v [catch {execsql {SELECT log, count(*) FROM t1 HAVING log>=4}} msg] |
+ lappend v $msg |
+} {1 {a GROUP BY clause is required before HAVING}} |
+ |
+# 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} |
+ |
+finish_test |