Import SQLite 3.10.2.

third_party/sqlite/src/test/index3.test

-# 2005 February 14
+# 2005-02-14
 #
 # 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 CREATE INDEX statement.
 #
-# $Id: index3.test,v 1.3 2008/03/19 13:03:34 drh Exp $
 
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
 # Ticket #1115.  Make sure that when a UNIQUE index is created on a
 # non-unique column (or columns) that it fails and that it leaves no
 # residue behind.
 #
 do_test index3-1.1 {
   execsql {
     CREATE TABLE t1(a);
     INSERT INTO t1 VALUES(1);
     INSERT INTO t1 VALUES(1);
     SELECT * FROM t1;
   }
 } {1 1}
 do_test index3-1.2 {
   catchsql {
     BEGIN;
     CREATE UNIQUE INDEX i1 ON t1(a);
   }
 } {1 {UNIQUE constraint failed: t1.a}}
 do_test index3-1.3 {
   catchsql COMMIT;
 } {0 {}}
 integrity_check index3-1.4
 
+# Backwards compatibility test:
+#
+# Verify that CREATE INDEX statements that use strings instead of 
+# identifiers for the the column names continue to work correctly.
+# This is undocumented behavior retained for backwards compatiblity.
+#
+do_execsql_test index3-2.1 {
+  DROP TABLE t1;
+  CREATE TABLE t1(a, b, c, d, e, 
+                  PRIMARY KEY('a'), UNIQUE('b' COLLATE nocase DESC));
+  CREATE INDEX t1c ON t1('c');
+  CREATE INDEX t1d ON t1('d' COLLATE binary ASC);
+  WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
+    INSERT INTO t1(a,b,c,d,e) 
+      SELECT x, printf('ab%03xxy',x), x, x, x FROM c;
+} {}
+do_execsql_test index3-2.2 {
+  SELECT a FROM t1 WHERE b='ab005xy' COLLATE nocase;
+} {5}
+do_execsql_test index3-2.2eqp {
+  EXPLAIN QUERY PLAN
+  SELECT a FROM t1 WHERE b='ab005xy' COLLATE nocase;
+} {/USING INDEX/}
+do_execsql_test index3-2.3 {
+  SELECT name FROM sqlite_master WHERE tbl_name='t1' ORDER BY name
+} {sqlite_autoindex_t1_1 sqlite_autoindex_t1_2 t1 t1c t1d}
+do_execsql_test index3-2.4 {
+  CREATE TABLE t2a(a integer, b, PRIMARY KEY(a));
+  CREATE TABLE t2b("a" integer, b, PRIMARY KEY("a"));
+  CREATE TABLE t2c([a] integer, b, PRIMARY KEY([a]));
+  CREATE TABLE t2d('a' integer, b, PRIMARY KEY('a'));
+}
+do_execsql_test index3-2.5 {
+  SELECT name FROM sqlite_master WHERE tbl_name LIKE 't2_' ORDER BY name
+} {t2a t2b t2c t2d}
+ 
+
+
+
+
 # This test corrupts the database file so it must be the last test
 # in the series.
 #
 do_test index3-99.1 {
   execsql {
     PRAGMA writable_schema=on;
-    UPDATE sqlite_master SET sql='nonsense';
+    UPDATE sqlite_master SET sql='nonsense' WHERE name='t1d'
   }
   db close
   catch { sqlite3 db test.db }
-  catchsql { DROP INDEX i1 }
-} {1 {malformed database schema (t1) - near "nonsense": syntax error}}
+  catchsql { DROP INDEX t1c }
+} {1 {malformed database schema (t1d)}}
 
 finish_test