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https://issues.apache.org/jira/browse/BEAM-4044?focusedWorklogId=98539&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-98539
]
ASF GitHub Bot logged work on BEAM-4044:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/May/18 18:14
Start Date: 04/May/18 18:14
Worklog Time Spent: 10m
Work Description: kennknowles commented on a change in pull request
#5224: [BEAM-4044] [SQL] Add tables via TableStore in Schema, execute DDL in
Calcite model
URL: https://github.com/apache/beam/pull/5224#discussion_r186171129
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/BeamCalciteSchema.java
##########
@@ -0,0 +1,100 @@
+/*
+ * 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;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+import org.apache.beam.sdk.extensions.sql.meta.Table;
+import org.apache.beam.sdk.extensions.sql.meta.provider.TableProvider;
+import org.apache.calcite.linq4j.tree.Expression;
+import org.apache.calcite.schema.Function;
+import org.apache.calcite.schema.Schema;
+import org.apache.calcite.schema.SchemaPlus;
+import org.apache.calcite.schema.SchemaVersion;
+import org.apache.calcite.schema.Schemas;
+
+/**
+ * Adapter from {@link TableProvider} to {@link Schema}.
+ */
+public class BeamCalciteSchema implements Schema {
+ private TableProvider tableProvider;
+
+ public BeamCalciteSchema(TableProvider tableProvider) {
+ this.tableProvider = tableProvider;
+ }
+
+ public TableProvider getTableProvider() {
+ return tableProvider;
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
Review comment:
Curious - why? Is it that the underlying `TableProvider` is mutable? Or does
this simply mean that the DDL is allowed to introduce new tables?
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Issue Time Tracking
-------------------
Worklog Id: (was: 98539)
> Take advantage of Calcite DDL
> -----------------------------
>
> Key: BEAM-4044
> URL: https://issues.apache.org/jira/browse/BEAM-4044
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Andrew Pilloud
> Assignee: Andrew Pilloud
> Priority: Major
> Time Spent: 12.5h
> Remaining Estimate: 0h
>
> In Calcite 1.15 support for abstract DDL moved into calcite core. We should
> take advantage of that.
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