forked from apache/flink
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[FLINK-33495][FLINK-33496] Add DISTRIBUTED BY clause for CREATE TABLE
- Adds distribution support to CatalogTable - Adds connector ability SupportsBucketing - Adds distribution to TableDescriptor. This closes apache#24155.
- Loading branch information
Showing
58 changed files
with
2,431 additions
and
105 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
110 changes: 110 additions & 0 deletions
110
...table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlDistribution.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * 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.flink.sql.parser.ddl; | ||
|
|
||
| import org.apache.calcite.sql.SqlCall; | ||
| import org.apache.calcite.sql.SqlKind; | ||
| import org.apache.calcite.sql.SqlNode; | ||
| import org.apache.calcite.sql.SqlNodeList; | ||
| import org.apache.calcite.sql.SqlNumericLiteral; | ||
| import org.apache.calcite.sql.SqlOperator; | ||
| import org.apache.calcite.sql.SqlSpecialOperator; | ||
| import org.apache.calcite.sql.SqlWriter; | ||
| import org.apache.calcite.sql.parser.SqlParserPos; | ||
| import org.apache.calcite.util.ImmutableNullableList; | ||
|
|
||
| import javax.annotation.Nullable; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Optional; | ||
|
|
||
| /** | ||
| * Distribution statement in CREATE TABLE DDL, e.g. {@code DISTRIBUTED BY HASH(column1, column2) | ||
| * INTO BUCKETS 10}. | ||
| */ | ||
| public class SqlDistribution extends SqlCall { | ||
|
|
||
| private static final SqlSpecialOperator OPERATOR = | ||
| new SqlSpecialOperator("DISTRIBUTED BY", SqlKind.OTHER); | ||
|
|
||
| private final String distributionKind; | ||
| private final SqlNodeList bucketColumns; | ||
| private final SqlNumericLiteral bucketCount; | ||
|
|
||
| public SqlDistribution( | ||
| SqlParserPos pos, | ||
| @Nullable String distributionKind, | ||
| @Nullable SqlNodeList bucketColumns, | ||
| @Nullable SqlNumericLiteral bucketCount) { | ||
| super(pos); | ||
| this.distributionKind = distributionKind; | ||
| this.bucketColumns = bucketColumns; | ||
| this.bucketCount = bucketCount; | ||
| } | ||
|
|
||
| @Override | ||
| public SqlOperator getOperator() { | ||
| return OPERATOR; | ||
| } | ||
|
|
||
| @Override | ||
| public List<SqlNode> getOperandList() { | ||
| return ImmutableNullableList.of(bucketCount, bucketColumns); | ||
| } | ||
|
|
||
| @Override | ||
| public void unparse(SqlWriter writer, int leftPrec, int rightPrec) { | ||
| writer.newlineAndIndent(); | ||
|
|
||
| if (bucketColumns.size() == 0 && bucketCount != null) { | ||
| writer.keyword("DISTRIBUTED INTO"); | ||
| bucketCount.unparse(writer, leftPrec, rightPrec); | ||
| writer.keyword("BUCKETS"); | ||
| writer.newlineAndIndent(); | ||
| return; | ||
| } | ||
|
|
||
| writer.keyword("DISTRIBUTED BY"); | ||
| if (distributionKind != null) { | ||
| writer.print(distributionKind); | ||
| } | ||
| SqlWriter.Frame bucketFrame = writer.startList("(", ")"); | ||
| bucketColumns.unparse(writer, leftPrec, rightPrec); | ||
| writer.endList(bucketFrame); | ||
|
|
||
| if (bucketCount != null) { | ||
| writer.keyword("INTO"); | ||
| bucketCount.unparse(writer, leftPrec, rightPrec); | ||
| writer.keyword("BUCKETS"); | ||
| } | ||
| writer.newlineAndIndent(); | ||
| } | ||
|
|
||
| public Optional<String> getDistributionKind() { | ||
| return Optional.ofNullable(distributionKind); | ||
| } | ||
|
|
||
| public SqlNumericLiteral getBucketCount() { | ||
| return bucketCount; | ||
| } | ||
|
|
||
| public SqlNodeList getBucketColumns() { | ||
| return bucketColumns; | ||
| } | ||
| } |
Oops, something went wrong.