Index: third_party/sqlite/sqlite-src-3070603/test/descidx2.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/descidx2.test b/third_party/sqlite/sqlite-src-3070603/test/descidx2.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fdc3eb079477c8593e0f61e06f69842dd4b59f9b |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3070603/test/descidx2.test |
@@ -0,0 +1,185 @@ |
+# 2005 December 21 |
+# |
+# 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 script is descending indices. |
+# |
+# $Id: descidx2.test,v 1.5 2008/03/19 00:21:31 drh Exp $ |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Do not use a codec for tests in this file, as the database file is |
+# manipulated directly using tcl scripts (using the [hexio_write] command). |
+# |
+do_not_use_codec |
+ |
+ |
+db eval {PRAGMA legacy_file_format=OFF} |
+ |
+# This procedure sets the value of the file-format in file 'test.db' |
+# to $newval. Also, the schema cookie is incremented. |
+# |
+proc set_file_format {newval} { |
+ hexio_write test.db 44 [hexio_render_int32 $newval] |
+ set schemacookie [hexio_get_int [hexio_read test.db 40 4]] |
+ incr schemacookie |
+ hexio_write test.db 40 [hexio_render_int32 $schemacookie] |
+ return {} |
+} |
+ |
+# This procedure returns the value of the file-format in file 'test.db'. |
+# |
+proc get_file_format {{fname test.db}} { |
+ return [hexio_get_int [hexio_read $fname 44 4]] |
+} |
+ |
+ |
+# Verify that the file format starts as 4 |
+# |
+do_test descidx2-1.1 { |
+ execsql { |
+ CREATE TABLE t1(a,b); |
+ CREATE INDEX i1 ON t1(b ASC); |
+ } |
+ get_file_format |
+} {4} |
+do_test descidx2-1.2 { |
+ execsql { |
+ CREATE INDEX i2 ON t1(a DESC); |
+ } |
+ get_file_format |
+} {4} |
+ |
+# Before adding any information to the database, set the file format |
+# back to three. Then close and reopen the database. With the file |
+# format set to three, SQLite should ignore the DESC argument on the |
+# index. |
+# |
+do_test descidx2-2.0 { |
+ set_file_format 3 |
+ db close |
+ sqlite3 db test.db |
+ get_file_format |
+} {3} |
+ |
+# Put some information in the table and verify that the DESC |
+# on the index is ignored. |
+# |
+do_test descidx2-2.1 { |
+ execsql { |
+ INSERT INTO t1 VALUES(1,1); |
+ INSERT INTO t1 VALUES(2,2); |
+ INSERT INTO t1 SELECT a+2, a+2 FROM t1; |
+ INSERT INTO t1 SELECT a+4, a+4 FROM t1; |
+ SELECT b FROM t1 WHERE a>3 AND a<7; |
+ } |
+} {4 5 6} |
+do_test descidx2-2.2 { |
+ execsql { |
+ SELECT a FROM t1 WHERE b>3 AND b<7; |
+ } |
+} {4 5 6} |
+do_test descidx2-2.3 { |
+ execsql { |
+ SELECT b FROM t1 WHERE a>=3 AND a<7; |
+ } |
+} {3 4 5 6} |
+do_test descidx2-2.4 { |
+ execsql { |
+ SELECT b FROM t1 WHERE a>3 AND a<=7; |
+ } |
+} {4 5 6 7} |
+do_test descidx2-2.5 { |
+ execsql { |
+ SELECT b FROM t1 WHERE a>=3 AND a<=7; |
+ } |
+} {3 4 5 6 7} |
+do_test descidx2-2.6 { |
+ execsql { |
+ SELECT a FROM t1 WHERE b>=3 AND b<=7; |
+ } |
+} {3 4 5 6 7} |
+ |
+# This procedure executes the SQL. Then it checks to see if the OP_Sort |
+# opcode was executed. If an OP_Sort did occur, then "sort" is appended |
+# to the result. If no OP_Sort happened, then "nosort" is appended. |
+# |
+# This procedure is used to check to make sure sorting is or is not |
+# occurring as expected. |
+# |
+proc cksort {sql} { |
+ set ::sqlite_sort_count 0 |
+ set data [execsql $sql] |
+ if {$::sqlite_sort_count} {set x sort} {set x nosort} |
+ lappend data $x |
+ return $data |
+} |
+ |
+# Test sorting using a descending index. |
+# |
+do_test descidx2-3.1 { |
+ cksort {SELECT a FROM t1 ORDER BY a} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.2 { |
+ cksort {SELECT a FROM t1 ORDER BY a ASC} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.3 { |
+ cksort {SELECT a FROM t1 ORDER BY a DESC} |
+} {8 7 6 5 4 3 2 1 nosort} |
+do_test descidx2-3.4 { |
+ cksort {SELECT b FROM t1 ORDER BY a} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.5 { |
+ cksort {SELECT b FROM t1 ORDER BY a ASC} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.6 { |
+ cksort {SELECT b FROM t1 ORDER BY a DESC} |
+} {8 7 6 5 4 3 2 1 nosort} |
+do_test descidx2-3.7 { |
+ cksort {SELECT a FROM t1 ORDER BY b} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.8 { |
+ cksort {SELECT a FROM t1 ORDER BY b ASC} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.9 { |
+ cksort {SELECT a FROM t1 ORDER BY b DESC} |
+} {8 7 6 5 4 3 2 1 nosort} |
+do_test descidx2-3.10 { |
+ cksort {SELECT b FROM t1 ORDER BY b} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.11 { |
+ cksort {SELECT b FROM t1 ORDER BY b ASC} |
+} {1 2 3 4 5 6 7 8 nosort} |
+do_test descidx2-3.12 { |
+ cksort {SELECT b FROM t1 ORDER BY b DESC} |
+} {8 7 6 5 4 3 2 1 nosort} |
+ |
+do_test descidx2-3.21 { |
+ cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a} |
+} {4 5 6 7 nosort} |
+do_test descidx2-3.22 { |
+ cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC} |
+} {4 5 6 7 nosort} |
+do_test descidx2-3.23 { |
+ cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC} |
+} {7 6 5 4 nosort} |
+do_test descidx2-3.24 { |
+ cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a} |
+} {4 5 6 7 nosort} |
+do_test descidx2-3.25 { |
+ cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC} |
+} {4 5 6 7 nosort} |
+do_test descidx2-3.26 { |
+ cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC} |
+} {7 6 5 4 nosort} |
+ |
+finish_test |