Index: third_party/sqlite/sqlite-src-3070603/test/select2.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/select2.test b/third_party/sqlite/sqlite-src-3070603/test/select2.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..35f8dd587905eafd358b23f51b78e009867cdf6a |
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+++ b/third_party/sqlite/sqlite-src-3070603/test/select2.test |
@@ -0,0 +1,185 @@ |
+# 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 the SELECT statement. |
+# |
+# $Id: select2.test,v 1.28 2009/01/15 15:23:59 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Create a table with some data |
+# |
+execsql {CREATE TABLE tbl1(f1 int, f2 int)} |
+execsql {BEGIN} |
+for {set i 0} {$i<=30} {incr i} { |
+ execsql "INSERT INTO tbl1 VALUES([expr {$i%9}],[expr {$i%10}])" |
+} |
+execsql {COMMIT} |
+ |
+# Do a second query inside a first. |
+# |
+do_test select2-1.1 { |
+ set sql {SELECT DISTINCT f1 FROM tbl1 ORDER BY f1} |
+ set r {} |
+ catch {unset data} |
+ db eval $sql data { |
+ set f1 $data(f1) |
+ lappend r $f1: |
+ set sql2 "SELECT f2 FROM tbl1 WHERE f1=$f1 ORDER BY f2" |
+ db eval $sql2 d2 { |
+ lappend r $d2(f2) |
+ } |
+ } |
+ set r |
+} {0: 0 7 8 9 1: 0 1 8 9 2: 0 1 2 9 3: 0 1 2 3 4: 2 3 4 5: 3 4 5 6: 4 5 6 7: 5 6 7 8: 6 7 8} |
+ |
+do_test select2-1.2 { |
+ set sql {SELECT DISTINCT f1 FROM tbl1 WHERE f1>3 AND f1<5} |
+ set r {} |
+ db eval $sql data { |
+ set f1 $data(f1) |
+ lappend r $f1: |
+ set sql2 "SELECT f2 FROM tbl1 WHERE f1=$f1 ORDER BY f2" |
+ db eval $sql2 d2 { |
+ lappend r $d2(f2) |
+ } |
+ } |
+ set r |
+} {4: 2 3 4} |
+unset data |
+ |
+# Create a largish table. Do this twice, once using the TCL cache and once |
+# without. Compare the performance to make sure things go faster with the |
+# cache turned on. |
+# |
+ifcapable tclvar { |
+ do_test select2-2.0.1 { |
+ set t1 [time { |
+ execsql {CREATE TABLE tbl2(f1 int, f2 int, f3 int); BEGIN;} |
+ for {set i 1} {$i<=30000} {incr i} { |
+ set i2 [expr {$i*2}] |
+ set i3 [expr {$i*3}] |
+ db eval {INSERT INTO tbl2 VALUES($i,$i2,$i3)} |
+ } |
+ execsql {COMMIT} |
+ }] |
+ list |
+ } {} |
+ puts "time with cache: $::t1" |
+} |
+catch {execsql {DROP TABLE tbl2}} |
+do_test select2-2.0.2 { |
+ set t2 [time { |
+ execsql {CREATE TABLE tbl2(f1 int, f2 int, f3 int); BEGIN;} |
+ for {set i 1} {$i<=30000} {incr i} { |
+ set i2 [expr {$i*2}] |
+ set i3 [expr {$i*3}] |
+ execsql "INSERT INTO tbl2 VALUES($i,$i2,$i3)" |
+ } |
+ execsql {COMMIT} |
+ }] |
+ list |
+} {} |
+puts "time without cache: $t2" |
+#ifcapable tclvar { |
+# do_test select2-2.0.3 { |
+# expr {[lindex $t1 0]<[lindex $t2 0]} |
+# } 1 |
+#} |
+ |
+do_test select2-2.1 { |
+ execsql {SELECT count(*) FROM tbl2} |
+} {30000} |
+do_test select2-2.2 { |
+ execsql {SELECT count(*) FROM tbl2 WHERE f2>1000} |
+} {29500} |
+ |
+do_test select2-3.1 { |
+ execsql {SELECT f1 FROM tbl2 WHERE 1000=f2} |
+} {500} |
+ |
+do_test select2-3.2a { |
+ execsql {CREATE INDEX idx1 ON tbl2(f2)} |
+} {} |
+do_test select2-3.2b { |
+ execsql {SELECT f1 FROM tbl2 WHERE 1000=f2} |
+} {500} |
+do_test select2-3.2c { |
+ execsql {SELECT f1 FROM tbl2 WHERE f2=1000} |
+} {500} |
+do_test select2-3.2d { |
+ set sqlite_search_count 0 |
+ execsql {SELECT * FROM tbl2 WHERE 1000=f2} |
+ set sqlite_search_count |
+} {3} |
+do_test select2-3.2e { |
+ set sqlite_search_count 0 |
+ execsql {SELECT * FROM tbl2 WHERE f2=1000} |
+ set sqlite_search_count |
+} {3} |
+ |
+# Make sure queries run faster with an index than without |
+# |
+do_test select2-3.3 { |
+ execsql {DROP INDEX idx1} |
+ set sqlite_search_count 0 |
+ execsql {SELECT f1 FROM tbl2 WHERE f2==2000} |
+ set sqlite_search_count |
+} {29999} |
+ |
+# Make sure we can optimize functions in the WHERE clause that |
+# use fields from two or more different table. (Bug #6) |
+# |
+do_test select2-4.1 { |
+ execsql { |
+ CREATE TABLE aa(a); |
+ CREATE TABLE bb(b); |
+ INSERT INTO aa VALUES(1); |
+ INSERT INTO aa VALUES(3); |
+ INSERT INTO bb VALUES(2); |
+ INSERT INTO bb VALUES(4); |
+ SELECT * FROM aa, bb WHERE max(a,b)>2; |
+ } |
+} {1 4 3 2 3 4} |
+do_test select2-4.2 { |
+ execsql { |
+ INSERT INTO bb VALUES(0); |
+ SELECT * FROM aa CROSS JOIN bb WHERE b; |
+ } |
+} {1 2 1 4 3 2 3 4} |
+do_test select2-4.3 { |
+ execsql { |
+ SELECT * FROM aa CROSS JOIN bb WHERE NOT b; |
+ } |
+} {1 0 3 0} |
+do_test select2-4.4 { |
+ execsql { |
+ SELECT * FROM aa, bb WHERE min(a,b); |
+ } |
+} {1 2 1 4 3 2 3 4} |
+do_test select2-4.5 { |
+ execsql { |
+ SELECT * FROM aa, bb WHERE NOT min(a,b); |
+ } |
+} {1 0 3 0} |
+do_test select2-4.6 { |
+ execsql { |
+ SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 1 END; |
+ } |
+} {1 2 3 4} |
+do_test select2-4.7 { |
+ execsql { |
+ SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 0 ELSE 1 END; |
+ } |
+} {1 4 1 0 3 2 3 0} |
+ |
+finish_test |