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https://issues.apache.org/jira/browse/GEARPUMP-217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170071#comment-16170071
]
ASF GitHub Bot commented on GEARPUMP-217:
-----------------------------------------
Github user manuzhang commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/225#discussion_r139435162
--- Diff:
experiments/sql/src/test/java/org/apache/gearpump/sql/planner/CalciteTest.java
---
@@ -80,19 +80,38 @@
private RexExecutor executor;
private RelRoot root;
- public CalciteTest(FrameworkConfig config) {
- this.config = config;
- this.defaultSchema = config.getDefaultSchema();
- this.operatorTable = config.getOperatorTable();
- this.parserConfig = config.getParserConfig();
- this.state = State.STATE_0_CLOSED;
- this.traitDefs = config.getTraitDefs();
- this.convertletTable = config.getConvertletTable();
- this.executor = config.getExecutor();
+ @Before
+ public void setFrameworkConfig() throws ClassNotFoundException,
SQLException {
+
+ Class.forName("org.apache.calcite.jdbc.Driver");
--- End diff --
Is this used ?
> Add SQL support
> ----------------
>
> Key: GEARPUMP-217
> URL: https://issues.apache.org/jira/browse/GEARPUMP-217
> Project: Apache Gearpump
> Issue Type: New Feature
> Components: streaming
> Affects Versions: 0.8.1
> Reporter: Manu Zhang
> Assignee: Buddhi Ayesha
> Labels: gsoc2017, mentor
>
> SQL support will allow those unfamiliar with Scala/Java to use Gearpump. I
> propose to build SQL layer with Apache Calcite because
> 1. It has done the hard job of parsing, translating logical plan to physical
> plan and optimizing.
> 2. It is under active development and has a great community.
> 3. It's proved to be a good solution since Apache Storm, Apache Flink and
> Apache Samza all build their Streaming SQL with Apache Calcite
> Note SQL here actually means Streaming SQL dialects supported by Calcite
> (check reference 1 and 2). Please checkout reference 3 for an example
> implementation.
> The physical plan will be translated to Gearpump high level DSL.
> References:
> 1. http://www.slideshare.net/julianhyde/streaming-sql
> 2. https://calcite.apache.org/docs/stream.html
> 3. https://github.com/milinda/samza-sql
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