Imported Upstream version 2.0.3

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+# 2008 July 29
+#
+# 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.
+#
+#*************************************************************************
+# These tests exercise the various types of fts2 cursors.
+#
+# $Id: fts2r.test,v 1.1 2008/07/29 20:38:18 shess Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If SQLITE_ENABLE_FTS2 is not defined, omit this file.
+ifcapable !fts2 {
+  finish_test
+  return
+}
+
+#*************************************************************************
+# Test table scan (QUERY_GENERIC).  This kind of query happens for
+# queries with no WHERE clause, or for WHERE clauses which cannot be
+# satisfied by an index.
+db eval {
+  DROP TABLE IF EXISTS t1;
+  CREATE VIRTUAL TABLE t1 USING fts2(c);
+  INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
+  INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
+  INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
+}
+
+do_test fts2e-1.1 {
+  execsql {
+    SELECT rowid FROM t1 ORDER BY rowid;
+  }
+} {1 2 3}
+
+do_test fts2e-1.2 {
+  execsql {
+    SELECT rowid FROM t1 WHERE c LIKE '%test' ORDER BY rowid;
+  }
+} {1 2 3}
+
+do_test fts2e-1.3 {
+  execsql {
+    SELECT rowid FROM t1 WHERE c LIKE 'That%' ORDER BY rowid;
+  }
+} {2}
+
+#*************************************************************************
+# Test lookup by rowid (QUERY_ROWID).  This kind of query happens for
+# queries which select by the rowid implicit index.
+db eval {
+  DROP TABLE IF EXISTS t1;
+  DROP TABLE IF EXISTS t2;
+  CREATE VIRTUAL TABLE t1 USING fts2(c);
+  CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE);
+  INSERT INTO t2 VALUES (null, 10);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');
+  INSERT INTO t2 VALUES (null, 5);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test');
+  INSERT INTO t2 VALUES (null, 20);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');
+}
+
+# TODO(shess): This actually is doing QUERY_GENERIC?  I'd have
+# expected QUERY_ROWID in this case, as for a very large table the
+# full scan is less efficient.
+do_test fts2e-2.1 {
+  execsql {
+    SELECT rowid FROM t1 WHERE rowid in (1, 2, 10);
+  }
+} {1 2}
+
+do_test fts2e-2.2 {
+  execsql {
+    SELECT t1.rowid, weight FROM t1, t2 WHERE t2.id = t1.rowid ORDER BY weight;
+  }
+} {2 5 1 10 3 20}
+
+do_test fts2e-2.3 {
+  execsql {
+    SELECT t1.rowid, weight FROM t1, t2
+           WHERE t2.weight>5 AND t2.id = t1.rowid ORDER BY weight;
+  }
+} {1 10 3 20}
+
+#*************************************************************************
+# Test lookup by MATCH (QUERY_FULLTEXT).  This is the fulltext index.
+db eval {
+  DROP TABLE IF EXISTS t1;
+  DROP TABLE IF EXISTS t2;
+  CREATE VIRTUAL TABLE t1 USING fts2(c);
+  CREATE TABLE t2(id INTEGER PRIMARY KEY AUTOINCREMENT, weight INTEGER UNIQUE);
+  INSERT INTO t2 VALUES (null, 10);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');
+  INSERT INTO t2 VALUES (null, 5);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'That was a test');
+  INSERT INTO t2 VALUES (null, 20);
+  INSERT INTO t1 (rowid, c) VALUES (last_insert_rowid(), 'This is a test');
+}
+
+do_test fts2e-3.1 {
+  execsql {
+    SELECT rowid FROM t1 WHERE t1 MATCH 'this' ORDER BY rowid;
+  }
+} {1 3}
+
+do_test fts2e-3.2 {
+  execsql {
+    SELECT t1.rowid, weight FROM t1, t2
+     WHERE t1 MATCH 'this' AND t1.rowid = t2.id ORDER BY weight;
+  }
+} {1 10 3 20}
+
+finish_test