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+# 2008 April 27
+#
+# 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.
+#
+#***********************************************************************
+#
+# Ticket #3080
+#
+# Make sure that application-defined functions are able to recursively
+# invoke SQL statements that create and drop virtual tables.
+#
+# $Id: tkt3080.test,v 1.2 2008/11/05 16:37:35 drh Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt3080.1 {
+  db function execsql execsql
+  db eval {
+    SELECT execsql('CREATE TABLE t1(x)');
+  }
+  execsql {SELECT name FROM sqlite_master}
+} {t1}
+do_test tkt3080.2 {
+  db eval {
+    INSERT INTO t1 VALUES('CREATE TABLE t2(y);');
+    SELECT execsql(x) FROM t1;
+  }
+  db eval {
+    SELECT name FROM sqlite_master;
+  }
+} {t1 t2}
+do_test tkt3080.3 {
+  execsql {
+    INSERT INTO t1 VALUES('CREATE TABLE t3(z); DROP TABLE t3;');
+  }
+  catchsql {
+    SELECT execsql(x) FROM t1 WHERE rowid=2;
+  }
+} {1 {database table is locked}}
+do_test tkt3080.4 {
+  db eval {
+    SELECT name FROM sqlite_master;
+  }
+} {t1 t2 t3}
+
+ifcapable vtab {
+  register_echo_module [sqlite3_connection_pointer db]
+  do_test tkt3080.10 {
+     set sql {
+       CREATE VIRTUAL TABLE t4 USING echo(t2);
+       INSERT INTO t4 VALUES(123);
+       DROP TABLE t4;
+     }
+     execsql {
+       DELETE FROM t1;
+       INSERT INTO t1 VALUES($sql);
+     }
+     db eval {
+       SELECT execsql(x) FROM t1
+     }
+     execsql {SELECT name FROM sqlite_master}
+  } {t1 t2 t3}
+  do_test tkt3080.11 {
+     execsql {SELECT * FROM t2}
+  } {123}
+}
+  
+
+
+finish_test