[GitHub] [druid] adarshsanjeev commented on a diff in pull request #12386: Add replace statement to sql parser

[GitBox <gi...@apache.org>]

adarshsanjeev commented on code in PR #12386:
URL: https://github.com/apache/druid/pull/12386#discussion_r855255748


##########
sql/src/main/codegen/includes/replace.ftl:
##########
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+// Using fully qualified name for Pair class, since Calcite also has a same class name being used in the Parser.jj
+SqlNode DruidSqlReplace() :
+{
+    final List<SqlLiteral> keywords = new ArrayList<SqlLiteral>();
+    final SqlNodeList keywordList;
+    SqlNode table;
+    SqlNodeList extendList = null;
+    SqlNode source;
+    SqlNodeList columnList = null;
+    final Span s;
+    SqlInsert sqlInsert;
+    org.apache.druid.java.util.common.Pair<Granularity, String> partitionedBy = new org.apache.druid.java.util.common.Pair(null, null);
+    List<String> partitionSpecList;
+}
+{
+    <REPLACE> { s = span(); }
+    SqlInsertKeywords(keywords)
+    {
+        keywordList = new SqlNodeList(keywords, s.addAll(keywords).pos());
+    }
+    <INTO> table = CompoundIdentifier()
+    <FOR> partitionSpecList = PartitionSpecs()
+    [
+        LOOKAHEAD(5)
+        [ <EXTEND> ]
+        extendList = ExtendList() {
+            table = extend(table, extendList);
+        }
+    ]
+    [
+        LOOKAHEAD(2)
+        { final Pair<SqlNodeList, SqlNodeList> p; }
+        p = ParenthesizedCompoundIdentifierList() {
+            if (p.right.size() > 0) {

Review Comment:
   Removed



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