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https://issues.apache.org/jira/browse/BEAM-7545?focusedWorklogId=276935&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-276935
]
ASF GitHub Bot logged work on BEAM-7545:
----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jul/19 19:01
Start Date: 15/Jul/19 19:01
Worklog Time Spent: 10m
Work Description: akedin commented on pull request #9040: [BEAM-7545]
Reordering Beam Joins
URL: https://github.com/apache/beam/pull/9040#discussion_r303540287
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rule/BeamJoinAssociateRule.java
##########
@@ -0,0 +1,58 @@
+/*
+ * 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.rule;
+
+import org.apache.beam.sdk.extensions.sql.impl.rel.BeamJoinRel;
+import org.apache.calcite.plan.RelOptRuleCall;
+import org.apache.calcite.rel.core.Join;
+import org.apache.calcite.rel.core.RelFactories;
+import org.apache.calcite.rel.rules.JoinAssociateRule;
+import org.apache.calcite.tools.RelBuilderFactory;
+
+/**
+ * This is very similar to {@link
org.apache.calcite.rel.rules.JoinAssociateRule}. It only checks if
+ * the resulting condition is supported before transforming.
+ */
+public class BeamJoinAssociateRule extends JoinAssociateRule {
+ // ~ Static fields/initializers ---------------------------------------------
+
+ /** The singleton. */
+ public static final
org.apache.beam.sdk.extensions.sql.impl.rule.BeamJoinAssociateRule INSTANCE =
+ new org.apache.beam.sdk.extensions.sql.impl.rule.BeamJoinAssociateRule(
+ RelFactories.LOGICAL_BUILDER);
+
+ // ~ Constructors -----------------------------------------------------------
Review comment:
nit: we don't usually have these separators in Beam codebase
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Issue Time Tracking
-------------------
Worklog Id: (was: 276935)
Time Spent: 6.5h (was: 6h 20m)
> Row Count Estimation for CSV TextTable
> --------------------------------------
>
> Key: BEAM-7545
> URL: https://issues.apache.org/jira/browse/BEAM-7545
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Alireza Samadianzakaria
> Assignee: Alireza Samadianzakaria
> Priority: Major
> Fix For: Not applicable
>
> Time Spent: 6.5h
> Remaining Estimate: 0h
>
> Implementing Row Count Estimation for CSV Tables by reading the first few
> lines of the file and estimating the number of records based on the length of
> these lines and the total length of the file.
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