163 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2009 February 23
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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 file is testing the reverse_select_order pragma.
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| #
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| # $Id: whereA.test,v 1.3 2009/06/10 19:33:29 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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| 
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| do_test whereA-1.1 {
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|   db eval {
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|     CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c);
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|     INSERT INTO t1 VALUES(1,2,3);
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|     INSERT INTO t1 values(2,'hello','world');
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|     INSERT INTO t1 VALUES(3,4.53,NULL);
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|     SELECT * FROM t1
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|   }
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| } {1 2 3 2 hello world 3 4.53 {}}
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| do_test whereA-1.2 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1;
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|   }
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| } {3 4.53 {} 2 hello world 1 2 3}
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| 
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| do_test whereA-1.3 {
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|   db close
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|   sqlite3 db test.db
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1;
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|   }
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| } {3 4.53 {} 2 hello world 1 2 3}
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| do_test whereA-1.4 {
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|   db close
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|   sqlite3 db test.db
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1 ORDER BY rowid;
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|   }
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| } {1 2 3 2 hello world 3 4.53 {}}
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| do_test whereA-1.5 {
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|   db eval {
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|     VACUUM;
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|     SELECT * FROM t1 ORDER BY rowid;
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|   }
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| } {1 2 3 2 hello world 3 4.53 {}}
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| do_test whereA-1.6 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects;
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|   }
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| } {1}
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| do_test whereA-1.7 {
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|   db close
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|   sqlite3 db test.db
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     VACUUM;
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|     SELECT * FROM t1;
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|   }
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| } {3 4.53 {} 2 hello world 1 2 3}
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| do_execsql_test whereA-1.8 {
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|   SELECT * FROM t1 WHERE b=2 AND a IS NULL;
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| } {}
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| do_execsql_test whereA-1.9 {
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|   SELECT * FROM t1 WHERE b=2 AND a IS NOT NULL;
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| } {1 2 3}
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| 
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| do_test whereA-2.1 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=0;
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|     SELECT * FROM t1 WHERE a>0;
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|   }
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| } {1 2 3 2 hello world 3 4.53 {}}
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| do_test whereA-2.2 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1 WHERE a>0;
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|   }
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| } {3 4.53 {} 2 hello world 1 2 3}
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| 
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| do_test whereA-2.3 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1 WHERE a>0 ORDER BY rowid;
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|   }
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| } {1 2 3 2 hello world 3 4.53 {}}
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| 
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| do_test whereA-3.1 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=0;
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|     SELECT * FROM t1 WHERE b>0;
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|   }
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| } {1 2 3 3 4.53 {} 2 hello world}
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| do_test whereA-3.2 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1 WHERE b>0;
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|   }
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| } {2 hello world 3 4.53 {} 1 2 3}
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| do_test whereA-3.3 {
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|   db eval {
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|     PRAGMA reverse_unordered_selects=1;
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|     SELECT * FROM t1 WHERE b>0 ORDER BY b;
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|   }
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| } {1 2 3 3 4.53 {} 2 hello world}
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| 
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| do_test whereA-4.1 {
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|   db eval {
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|     CREATE TABLE t2(x);
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|     INSERT INTO t2 VALUES(1);
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|     INSERT INTO t2 VALUES(2);
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|     SELECT x FROM t2;
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|   }
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| } {2 1}
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| # Do an SQL statement.  Append the search count to the end of the result.
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| #
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| proc count sql {
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|   set ::sqlite_sort_count 0
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|   return [concat [execsql $sql] $::sqlite_sort_count]
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| }
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| do_test whereA-4.2 {   ;# Ticket #3904
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|   db eval {
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|     CREATE INDEX t2x ON t2(x);
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|   }
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|   count {
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|     SELECT x FROM t2;
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|   }
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| } {2 1 0}
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| do_test whereA-4.3 {
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|   count {
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|     SELECT x FROM t2 ORDER BY x;
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|   }
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| } {1 2 0}
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| do_test whereA-4.4 {
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|   count {
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|     SELECT x FROM t2 ORDER BY x DESC;
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|   }
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| } {2 1 0}
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| do_test whereA-4.5 {
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|   db eval {DROP INDEX t2x;}
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|   count {
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|     SELECT x FROM t2 ORDER BY x;
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|   }
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| } {1 2 1}
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| do_test whereA-4.6 {
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|   count {
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|     SELECT x FROM t2 ORDER BY x DESC;
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|   }
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| } {2 1 1}
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| 
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| 
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| finish_test
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