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https://issues.apache.org/jira/browse/HIVE-23951?focusedWorklogId=467419&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-467419
]
ASF GitHub Bot logged work on HIVE-23951:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Aug/20 17:14
Start Date: 06/Aug/20 17:14
Worklog Time Spent: 10m
Work Description: vineetgarg02 commented on a change in pull request
#1315:
URL: https://github.com/apache/hive/pull/1315#discussion_r466561873
##########
File path:
parser/src/java/org/apache/hadoop/hive/ql/parse/PrepareStatementParser.g
##########
@@ -0,0 +1,66 @@
+/**
+ 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.
+*/
+parser grammar PrepareStatementParser;
+
+options
+{
+output=AST;
+ASTLabelType=ASTNode;
+backtrack=false;
+k=3;
+}
+
+@members {
+ @Override
+ public Object recoverFromMismatchedSet(IntStream input,
+ RecognitionException re, BitSet follow) throws RecognitionException {
+ throw re;
+ }
+ @Override
+ public void displayRecognitionError(String[] tokenNames,
+ RecognitionException e) {
+ gParent.errors.add(new ParseError(gParent, e, tokenNames));
+ }
+}
+
+@rulecatch {
+catch (RecognitionException e) {
+ throw e;
+}
+}
+
+//----------------------- Rules for parsing Prepare
statement-----------------------------
+prepareStatement
+@init { gParent.pushMsg("prepare statement ", state); }
+@after { gParent.popMsg(state); }
+ : KW_PREPARE identifier KW_FROM queryStatementExpression
+ -> ^(TOK_PREPARE queryStatementExpression identifier)
+ ;
+
+executeStatement
+@init { gParent.pushMsg("execute statement ", state); }
+@after { gParent.popMsg(state); }
+ : KW_EXECUTE identifier KW_USING executeParamList
+ -> ^(TOK_EXECUTE executeParamList identifier)
+ ;
+
+executeParamList
+@init { gParent.pushMsg("execute param list", state); }
+@after { gParent.popMsg(state); }
+ : constant (COMMA constant)*
Review comment:
https://issues.apache.org/jira/browse/HIVE-24002
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Issue Time Tracking
-------------------
Worklog Id: (was: 467419)
Time Spent: 4h 20m (was: 4h 10m)
> Support parameterized queries in WHERE/HAVING clause
> ----------------------------------------------------
>
> Key: HIVE-23951
> URL: https://issues.apache.org/jira/browse/HIVE-23951
> Project: Hive
> Issue Type: Sub-task
> Components: Query Planning
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Labels: pull-request-available
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
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