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+# 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.
+#
+
+
+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 {
+  sqlite3_db_config db DEFENSIVE 0
+  execsql {
+    PRAGMA writable_schema=on;
+    UPDATE sqlite_master SET sql='nonsense' WHERE name='t1d'
+  }
+  db close
+  catch { sqlite3 db test.db }
+  catchsql { DROP INDEX t1c }
+} {1 {malformed database schema (t1d)}}
+
+finish_test