Index: src/alter.c
==================================================================
--- src/alter.c
+++ src/alter.c
@@ -843,11 +843,12 @@
   assert( pNew->n>0 );
   bQuote = sqlite3Isquote(pNew->z[0]);
   sqlite3NestedParse(pParse, 
       "UPDATE \"%w\".%s SET "
       "sql = sqlite_rename_column(sql, %Q, %Q, %d, %Q, %d) "
-      "WHERE name NOT LIKE 'sqlite_%%' AND (type != 'index' OR tbl_name = %Q)",
+      "WHERE name NOT LIKE 'sqlite_%%' AND (type != 'index' OR tbl_name = %Q)"
+      " AND sql NOT LIKE 'create virtual%%'",
       zDb, MASTER_NAME, 
       zDb, pTab->zName, iCol, zNew, bQuote,
       pTab->zName
   );
 

Index: test/altercol.test
==================================================================
--- test/altercol.test
+++ test/altercol.test
@@ -332,27 +332,40 @@
 
 #-------------------------------------------------------------------------
 # More triggers.
 #
 proc do_rename_column_test {tn old new lSchema} {
-  reset_db
-  set lSorted [list]
-  foreach sql $lSchema { 
-    execsql $sql 
-    lappend lSorted [string trim $sql]
-  }
-  set lSorted [lsort $lSorted]
-
-  do_execsql_test $tn.1 {
-    SELECT sql FROM sqlite_master WHERE sql!='' ORDER BY 1
-  } $lSorted
-
-  do_execsql_test $tn.2 "ALTER TABLE t1 RENAME $old TO $new"
-
-  do_execsql_test $tn.3 {
-    SELECT sql FROM sqlite_master ORDER BY 1
-  } [string map [list $old $new] $lSorted]
+
+  for {set i 0} {$i < 2} {incr i} {
+    # DROP all tables and views in database.
+    set sql "SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1"
+    foreach nm [db eval $sql] { db eval "DROP TABLE $nm" }
+    set sql "SELECT name FROM sqlite_master WHERE type='view' ORDER BY 1"
+    foreach nm [db eval $sql] { db eval "DROP VIEW $nm" }
+
+    set lSorted [list]
+    foreach sql $lSchema { 
+      execsql $sql 
+      lappend lSorted [string trim $sql]
+    }
+    set lSorted [lsort $lSorted]
+
+    do_execsql_test $tn.$i.1 {
+      SELECT sql FROM sqlite_master WHERE sql!='' ORDER BY 1
+    } $lSorted
+
+    if {0 && $i==1} {
+      db close
+      sqlite3 db test.db
+    }
+
+    do_execsql_test $tn.$i.2 "ALTER TABLE t1 RENAME $old TO $new"
+
+    do_execsql_test $tn.$i.3 {
+      SELECT sql FROM sqlite_master ORDER BY 1
+    } [string map [list $old $new] $lSorted]
+  }
 }
 
 foreach {tn old new lSchema} {
   1 _x_ _xxx_ {
     { CREATE TABLE t1(a, b, _x_) }
@@ -395,11 +408,11 @@
 reset_db
 
 foreach {tn old new lSchema} {
   1 _x_ _xxx_ {
     { CREATE TABLE t1(a, b, _x_) }
-    { CREATE VIEW v1 AS SELECT a, b, _x_ FROM t1 WHERE _x_='abc' COLLATE xyz }
+    { CREATE VIEW s1 AS SELECT a, b, _x_ FROM t1 WHERE _x_='abc' COLLATE xyz }
   }
 
   2 _x_ _xxx_ {
     { CREATE TABLE t1(a, b, _x_) }
     { CREATE VIEW v1 AS SELECT a, b, _x_ FROM t1 WHERE scalar(_x_) }
@@ -407,11 +420,17 @@
 
   3 _x_ _xxx_ {
     { CREATE TABLE t1(a, b, _x_) }
     { CREATE VIEW v1 AS SELECT a, b, _x_ FROM t1 WHERE _x_ = unicode(1, 2, 3) }
   }
+
+  4 _x_ _xxx_ {
+    { CREATE TABLE t1(a, b, _x_) }
+    { CREATE VIRTUAL TABLE e1 USING echo(t1) }
+  }
 } {
+  register_echo_module db
   do_rename_column_test 10.$tn $old $new $lSchema
 }
 
 
 finish_test