diff --git a/sqlparser/lib/src/ast/statements/create_table.dart b/sqlparser/lib/src/ast/statements/create_table.dart
index 471870a4..ee000b28 100644
--- a/sqlparser/lib/src/ast/statements/create_table.dart
+++ b/sqlparser/lib/src/ast/statements/create_table.dart
@@ -2,7 +2,7 @@ part of '../ast.dart';
 
 /// A "CREATE TABLE" statement, see https://www.sqlite.org/lang_createtable.html
 /// for the individual components.
-class CreateTableStatement extends Statement {
+class CreateTableStatement extends Statement with SchemaStatement {
   final bool ifNotExists;
   final String tableName;
   final List<ColumnDefinition> columns;
diff --git a/sqlparser/lib/src/ast/statements/delete.dart b/sqlparser/lib/src/ast/statements/delete.dart
index b841418f..a6326e41 100644
--- a/sqlparser/lib/src/ast/statements/delete.dart
+++ b/sqlparser/lib/src/ast/statements/delete.dart
@@ -1,6 +1,6 @@
 part of '../ast.dart';
 
-class DeleteStatement extends Statement {
+class DeleteStatement extends Statement with CrudStatement {
   final TableReference from;
   final Expression where;
 
diff --git a/sqlparser/lib/src/ast/statements/select.dart b/sqlparser/lib/src/ast/statements/select.dart
index bcb274d2..fc422ae1 100644
--- a/sqlparser/lib/src/ast/statements/select.dart
+++ b/sqlparser/lib/src/ast/statements/select.dart
@@ -1,6 +1,6 @@
 part of '../ast.dart';
 
-class SelectStatement extends Statement with ResultSet {
+class SelectStatement extends Statement with CrudStatement, ResultSet {
   final bool distinct;
   final List<ResultColumn> columns;
   final List<Queryable> from;
diff --git a/sqlparser/lib/src/ast/statements/statement.dart b/sqlparser/lib/src/ast/statements/statement.dart
index c37148a3..d4b2e88e 100644
--- a/sqlparser/lib/src/ast/statements/statement.dart
+++ b/sqlparser/lib/src/ast/statements/statement.dart
@@ -1,3 +1,9 @@
 part of '../ast.dart';
 
 abstract class Statement extends AstNode {}
+
+/// Marker mixin for statements that read from an existing table structure.
+mixin CrudStatement on Statement {}
+
+/// Marker mixin for statements that change the table structure.
+mixin SchemaStatement on Statement {}
diff --git a/sqlparser/lib/src/ast/statements/update.dart b/sqlparser/lib/src/ast/statements/update.dart
index 490a3a02..a4bc0f8c 100644
--- a/sqlparser/lib/src/ast/statements/update.dart
+++ b/sqlparser/lib/src/ast/statements/update.dart
@@ -16,7 +16,7 @@ const Map<TokenType, FailureMode> _tokensToMode = {
   TokenType.ignore: FailureMode.ignore,
 };
 
-class UpdateStatement extends Statement {
+class UpdateStatement extends Statement with CrudStatement {
   final FailureMode or;
   final TableReference table;
   final List<SetComponent> set;
diff --git a/sqlparser/lib/src/engine/sql_engine.dart b/sqlparser/lib/src/engine/sql_engine.dart
index bd9deb60..cf1d410a 100644
--- a/sqlparser/lib/src/engine/sql_engine.dart
+++ b/sqlparser/lib/src/engine/sql_engine.dart
@@ -57,10 +57,13 @@ class SqlEngine {
 
     try {
       ReferenceFinder(globalScope: scope).start(node);
-      node
-        ..accept(ColumnResolver(context))
-        ..accept(ReferenceResolver(context))
-        ..accept(TypeResolvingVisitor(context));
+
+      if (node is CrudStatement) {
+        node
+          ..accept(ColumnResolver(context))
+          ..accept(ReferenceResolver(context))
+          ..accept(TypeResolvingVisitor(context));
+      }
     } catch (e) {
       // todo should we do now? AFAIK, everything that causes an exception
       // is added as an error contained in the context.