[
https://issues.apache.org/jira/browse/BEAM-4449?focusedWorklogId=110127&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-110127
]
ASF GitHub Bot logged work on BEAM-4449:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jun/18 14:35
Start Date: 08/Jun/18 14:35
Worklog Time Spent: 10m
Work Description: kennknowles commented on a change in pull request
#5544: [BEAM-4449] Replace project and filter with calc
URL: https://github.com/apache/beam/pull/5544#discussion_r194072477
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/interpreter/BeamSqlExpressionEnvironment.java
##########
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+package org.apache.beam.sdk.extensions.sql.impl.interpreter;
+
+import
org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression;
+import
org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlPrimitive;
+import org.apache.beam.sdk.values.Row;
+
+/**
+ * Environment in which a {@link BeamSqlExpression} is evaluated. This
includes bindings of
+ * correlation variables and local references.
+ *
+ * <p>For performance reasons, this class is mutable. However, it is an error
to override any
Review comment:
Fixed.
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Issue Time Tracking
-------------------
Worklog Id: (was: 110127)
Time Spent: 4h 10m (was: 4h)
> Use Calc instead of Project and Filter separately
> -------------------------------------------------
>
> Key: BEAM-4449
> URL: https://issues.apache.org/jira/browse/BEAM-4449
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Priority: Major
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> Calcite has a combined Calc operator that is amenable to more optimization,
> and also means less code to manage as we adjust how the operators/expressions
> are implemented.
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