add sqlserver ParameterizedOutputVisitor

2023-03-04 19:17:16 +00:00 · 2012-11-22 09:54:26 +08:00
parent 6a4866a22a
commit 4c395ff977
7 changed files with 173 additions and 1 deletions
@@ -0,0 +1,83 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.sql.dialect.sqlserver.visitor;
+
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
+import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
+import com.alibaba.druid.sql.ast.expr.SQLInListExpr;
+import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNCharExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNullExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
+import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
+
+public class SQLServerParameterizedOutputVisitor extends SQLServerOutputVisitor {
+
+    public SQLServerParameterizedOutputVisitor(Appendable appender){
+        super(appender);
+    }
+
+    public boolean visit(SQLInListExpr x) {
+        return ParameterizedOutputVisitorUtils.visit(this, x);
+    }
+
+    public boolean visit(SQLBinaryOpExpr x) {
+        x = ParameterizedOutputVisitorUtils.merge(x);
+
+        return super.visit(x);
+    }
+
+    public boolean visit(SQLNullExpr x) {
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLIntegerExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLNumberExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLCharExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLNCharExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+}