76fe8032c1
format that ignores DESC on indices. If you want descending indices, you must either recompile with -DSQLITE_DEFAULT_FILE_FORMAT=4 or issue "PRAGMA legacy_file_format=OFF" prior to creating the first table in the database. (CVS 3330) FossilOrigin-Name: 65b60f05ce49ff127bf5044f96db36caf1fa0106
338 lines
9.0 KiB
Plaintext
338 lines
9.0 KiB
Plaintext
# 2005 December 21
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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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# This file implements regression tests for SQLite library. The
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# focus of this script is descending indices.
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#
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# $Id: descidx1.test,v 1.7 2006/07/11 14:17:52 drh Exp $
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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db eval {PRAGMA legacy_file_format=OFF}
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# This procedure sets the value of the file-format in file 'test.db'
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# to $newval. Also, the schema cookie is incremented.
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#
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proc set_file_format {newval} {
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set bt [btree_open test.db 10 0]
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btree_begin_transaction $bt
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set meta [btree_get_meta $bt]
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lset meta 2 $newval ;# File format
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lset meta 1 [expr [lindex $meta 1]+1] ;# Schema cookie
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eval "btree_update_meta $bt $meta"
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btree_commit $bt
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btree_close $bt
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}
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# This procedure returns the value of the file-format in file 'test.db'.
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#
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proc get_file_format {{fname test.db}} {
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set bt [btree_open $fname 10 0]
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set meta [btree_get_meta $bt]
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btree_close $bt
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lindex $meta 2
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}
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# Verify that the file format starts as 4.
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#
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do_test descidx1-1.1 {
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execsql {
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CREATE TABLE t1(a,b);
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CREATE INDEX i1 ON t1(b ASC);
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}
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get_file_format
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} {4}
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do_test descidx1-1.2 {
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execsql {
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CREATE INDEX i2 ON t1(a DESC);
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}
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get_file_format
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} {4}
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# Put some information in the table and verify that the descending
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# index actually works.
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#
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do_test descidx1-2.1 {
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execsql {
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INSERT INTO t1 VALUES(1,1);
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INSERT INTO t1 VALUES(2,2);
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INSERT INTO t1 SELECT a+2, a+2 FROM t1;
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INSERT INTO t1 SELECT a+4, a+4 FROM t1;
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SELECT b FROM t1 WHERE a>3 AND a<7;
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}
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} {6 5 4}
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do_test descidx1-2.2 {
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execsql {
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SELECT a FROM t1 WHERE b>3 AND b<7;
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}
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} {4 5 6}
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do_test descidx1-2.3 {
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execsql {
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SELECT b FROM t1 WHERE a>=3 AND a<7;
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}
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} {6 5 4 3}
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do_test descidx1-2.4 {
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execsql {
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SELECT b FROM t1 WHERE a>3 AND a<=7;
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}
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} {7 6 5 4}
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do_test descidx1-2.5 {
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execsql {
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SELECT b FROM t1 WHERE a>=3 AND a<=7;
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}
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} {7 6 5 4 3}
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do_test descidx1-2.6 {
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execsql {
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SELECT a FROM t1 WHERE b>=3 AND b<=7;
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}
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} {3 4 5 6 7}
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# This procedure executes the SQL. Then it checks to see if the OP_Sort
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# opcode was executed. If an OP_Sort did occur, then "sort" is appended
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# to the result. If no OP_Sort happened, then "nosort" is appended.
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#
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# This procedure is used to check to make sure sorting is or is not
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# occurring as expected.
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#
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proc cksort {sql} {
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set ::sqlite_sort_count 0
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set data [execsql $sql]
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if {$::sqlite_sort_count} {set x sort} {set x nosort}
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lappend data $x
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return $data
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}
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# Test sorting using a descending index.
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#
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do_test descidx1-3.1 {
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cksort {SELECT a FROM t1 ORDER BY a}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.2 {
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cksort {SELECT a FROM t1 ORDER BY a ASC}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.3 {
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cksort {SELECT a FROM t1 ORDER BY a DESC}
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} {8 7 6 5 4 3 2 1 nosort}
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do_test descidx1-3.4 {
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cksort {SELECT b FROM t1 ORDER BY a}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.5 {
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cksort {SELECT b FROM t1 ORDER BY a ASC}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.6 {
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cksort {SELECT b FROM t1 ORDER BY a DESC}
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} {8 7 6 5 4 3 2 1 nosort}
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do_test descidx1-3.7 {
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cksort {SELECT a FROM t1 ORDER BY b}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.8 {
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cksort {SELECT a FROM t1 ORDER BY b ASC}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.9 {
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cksort {SELECT a FROM t1 ORDER BY b DESC}
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} {8 7 6 5 4 3 2 1 nosort}
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do_test descidx1-3.10 {
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cksort {SELECT b FROM t1 ORDER BY b}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.11 {
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cksort {SELECT b FROM t1 ORDER BY b ASC}
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} {1 2 3 4 5 6 7 8 nosort}
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do_test descidx1-3.12 {
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cksort {SELECT b FROM t1 ORDER BY b DESC}
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} {8 7 6 5 4 3 2 1 nosort}
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do_test descidx1-3.21 {
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cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a}
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} {4 5 6 7 nosort}
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do_test descidx1-3.22 {
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cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC}
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} {4 5 6 7 nosort}
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do_test descidx1-3.23 {
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cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC}
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} {7 6 5 4 nosort}
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do_test descidx1-3.24 {
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cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a}
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} {4 5 6 7 nosort}
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do_test descidx1-3.25 {
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cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC}
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} {4 5 6 7 nosort}
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do_test descidx1-3.26 {
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cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC}
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} {7 6 5 4 nosort}
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# Create a table with indices that are descending on some terms and
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# ascending on others.
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#
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ifcapable bloblit {
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do_test descidx1-4.1 {
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execsql {
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CREATE TABLE t2(a INT, b TEXT, c BLOB, d REAL);
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CREATE INDEX i3 ON t2(a ASC, b DESC, c ASC);
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CREATE INDEX i4 ON t2(b DESC, a ASC, d DESC);
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INSERT INTO t2 VALUES(1,'one',x'31',1.0);
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INSERT INTO t2 VALUES(2,'two',x'3232',2.0);
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INSERT INTO t2 VALUES(3,'three',x'333333',3.0);
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INSERT INTO t2 VALUES(4,'four',x'34343434',4.0);
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INSERT INTO t2 VALUES(5,'five',x'3535353535',5.0);
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INSERT INTO t2 VALUES(6,'six',x'363636363636',6.0);
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INSERT INTO t2 VALUES(2,'two',x'323232',2.1);
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INSERT INTO t2 VALUES(2,'zwei',x'3232',2.2);
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INSERT INTO t2 VALUES(2,NULL,NULL,2.3);
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SELECT count(*) FROM t2;
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}
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} {9}
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do_test descidx1-4.2 {
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execsql {
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SELECT d FROM t2 ORDER BY a;
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}
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} {1.0 2.2 2.0 2.1 2.3 3.0 4.0 5.0 6.0}
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do_test descidx1-4.3 {
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execsql {
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SELECT d FROM t2 WHERE a>=2;
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}
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} {2.2 2.0 2.1 2.3 3.0 4.0 5.0 6.0}
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do_test descidx1-4.4 {
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execsql {
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SELECT d FROM t2 WHERE a>2;
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}
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} {3.0 4.0 5.0 6.0}
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do_test descidx1-4.5 {
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execsql {
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SELECT d FROM t2 WHERE a=2 AND b>'two';
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}
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} {2.2}
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do_test descidx1-4.6 {
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execsql {
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SELECT d FROM t2 WHERE a=2 AND b>='two';
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}
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} {2.2 2.0 2.1}
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do_test descidx1-4.7 {
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execsql {
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SELECT d FROM t2 WHERE a=2 AND b<'two';
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}
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} {}
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do_test descidx1-4.8 {
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execsql {
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SELECT d FROM t2 WHERE a=2 AND b<='two';
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}
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} {2.0 2.1}
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}
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do_test descidx1-5.1 {
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execsql {
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CREATE TABLE t3(a,b,c,d);
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CREATE INDEX t3i1 ON t3(a DESC, b ASC, c DESC, d ASC);
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INSERT INTO t3 VALUES(0,0,0,0);
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INSERT INTO t3 VALUES(0,0,0,1);
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INSERT INTO t3 VALUES(0,0,1,0);
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INSERT INTO t3 VALUES(0,0,1,1);
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INSERT INTO t3 VALUES(0,1,0,0);
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INSERT INTO t3 VALUES(0,1,0,1);
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INSERT INTO t3 VALUES(0,1,1,0);
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INSERT INTO t3 VALUES(0,1,1,1);
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INSERT INTO t3 VALUES(1,0,0,0);
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INSERT INTO t3 VALUES(1,0,0,1);
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INSERT INTO t3 VALUES(1,0,1,0);
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INSERT INTO t3 VALUES(1,0,1,1);
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INSERT INTO t3 VALUES(1,1,0,0);
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INSERT INTO t3 VALUES(1,1,0,1);
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INSERT INTO t3 VALUES(1,1,1,0);
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INSERT INTO t3 VALUES(1,1,1,1);
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SELECT count(*) FROM t3;
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}
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} {16}
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do_test descidx1-5.2 {
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cksort {
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SELECT a||b||c||d FROM t3 ORDER BY a,b,c,d;
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}
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} {0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 sort}
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do_test descidx1-5.3 {
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cksort {
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SELECT a||b||c||d FROM t3 ORDER BY a DESC, b ASC, c DESC, d ASC;
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}
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} {1010 1011 1000 1001 1110 1111 1100 1101 0010 0011 0000 0001 0110 0111 0100 0101 nosort}
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do_test descidx1-5.4 {
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cksort {
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SELECT a||b||c||d FROM t3 ORDER BY a ASC, b DESC, c ASC, d DESC;
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}
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} {0101 0100 0111 0110 0001 0000 0011 0010 1101 1100 1111 1110 1001 1000 1011 1010 nosort}
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do_test descidx1-5.5 {
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cksort {
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SELECT a||b||c FROM t3 WHERE d=0 ORDER BY a DESC, b ASC, c DESC
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}
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} {101 100 111 110 001 000 011 010 nosort}
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do_test descidx1-5.6 {
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cksort {
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SELECT a||b||c FROM t3 WHERE d=0 ORDER BY a ASC, b DESC, c ASC
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}
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} {010 011 000 001 110 111 100 101 nosort}
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do_test descidx1-5.7 {
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cksort {
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SELECT a||b||c FROM t3 WHERE d=0 ORDER BY a ASC, b DESC, c DESC
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}
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} {011 010 001 000 111 110 101 100 sort}
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do_test descidx1-5.8 {
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cksort {
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SELECT a||b||c FROM t3 WHERE d=0 ORDER BY a ASC, b ASC, c ASC
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}
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} {000 001 010 011 100 101 110 111 sort}
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do_test descidx1-5.9 {
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cksort {
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SELECT a||b||c FROM t3 WHERE d=0 ORDER BY a DESC, b DESC, c ASC
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}
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} {110 111 100 101 010 011 000 001 sort}
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# Test the legacy_file_format pragma here because we have access to
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# the get_file_format command.
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#
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ifcapable legacyformat {
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do_test descidx1-6.1 {
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db close
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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execsql {PRAGMA legacy_file_format}
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} {1}
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} else {
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do_test descidx1-6.1 {
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db close
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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execsql {PRAGMA legacy_file_format}
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} {0}
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}
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do_test descidx1-6.2 {
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execsql {PRAGMA legacy_file_format=YES}
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execsql {PRAGMA legacy_file_format}
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} {1}
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do_test descidx1-6.3 {
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execsql {
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CREATE TABLE t1(a,b,c);
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}
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get_file_format
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} {1}
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do_test descidx1-6.4 {
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db close
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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execsql {PRAGMA legacy_file_format=NO}
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execsql {PRAGMA legacy_file_format}
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} {0}
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do_test descidx1-6.5 {
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execsql {
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CREATE TABLE t1(a,b,c);
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}
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get_file_format
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} {4}
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finish_test
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