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https://issues.apache.org/jira/browse/DRILL-6711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16873224#comment-16873224
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ASF GitHub Bot commented on DRILL-6711:
---------------------------------------
arina-ielchiieva commented on pull request #1815: DRILL-6711: Use jitpack
repository for Drill Calcite project artifacts instead of repository.mapr.com
URL: https://github.com/apache/drill/pull/1815#discussion_r297602798
##########
File path: docs/dev/Calcite.md
##########
@@ -0,0 +1,26 @@
+# Drill-specific commits in Apache Calcite
+
+Currently, Drill uses Apache Calcite with additional changes, required for
Drill. All the commits were left after
+update from Calcite `1.4.0` to Calcite `1.15.0` and weren't merged to the
Calcite's master yet.
+
+List of Jiras with Drill-specific commits:
+
+|Jira|Summary|The reason why it wasn't merged|
+|----|-------|-------------------------------|
+|[CALCITE-2018](https://issues.apache.org/jira/browse/CALCITE-2018)|Queries
failed with AssertionError: rel has lower cost than best cost of subset|Pull
request with the fix was created
([PR-552](https://github.com/apache/calcite/pull/552)), but an issue which
blocks it was found and wasn't resolved yet:
[CALCITE-2166](https://issues.apache.org/jira/browse/CALCITE-2166).|
+|[CALCITE-2087](https://issues.apache.org/jira/browse/CALCITE-2087)|Add new
method to ViewExpander interface to allow passing SchemaPlus.|Pull request into
Apache Calcite was created, but it was declined. See conversation in Jira.|
+|[CALCITE-1178](https://issues.apache.org/jira/browse/CALCITE-1178)|Allow
SqlBetweenOperator to compare DATE and TIMESTAMP|SQL spec does not allow to
compare datetime types if they have different <primary datetime field>s.
Therefore Calcite community won’t accept these changes. Similar issues were
reported in [CALCITE-2829](https://issues.apache.org/jira/browse/CALCITE-2829)
and in [CALCITE-2745](https://issues.apache.org/jira/browse/CALCITE-2745)|
+
+# Drill-Calcite repository
+
+Repository with source code is placed
[here](https://github.com/vvysotskyi/drill-calcite). For backward
+compatibility, some previously used by Drill branches were pushed to this repo.
Review comment:
```suggestion
compatibility, a couple of previous Drill Calcite branches were pushed into
this repo.
```
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> Use jitpack repository for Drill Calcite project artifacts instead of
> repository.mapr.com
> -----------------------------------------------------------------------------------------
>
> Key: DRILL-6711
> URL: https://issues.apache.org/jira/browse/DRILL-6711
> Project: Apache Drill
> Issue Type: Task
> Reporter: Arina Ielchiieva
> Assignee: Volodymyr Vysotskyi
> Priority: Major
> Fix For: 1.17.0
>
>
> Simplify deployment of Drill Calcite project artifacts by using
> [https://jitpack.io/].
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