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https://issues.apache.org/jira/browse/BEAM-9179?focusedWorklogId=412687&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-412687
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ASF GitHub Bot logged work on BEAM-9179:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Mar/20 23:29
Start Date: 30/Mar/20 23:29
Worklog Time Spent: 10m
Work Description: robinyqiu commented on pull request #11268: [BEAM-9179]
Clean up code in ZetaSQLDialectSpecTest
URL: https://github.com/apache/beam/pull/11268
Minor code cleanup: making tests more readable; grouping related tests
together; renaming tests; un-ignore working tests; removing duplicate tests;
etc.
r: @apilloud
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 412687)
Time Spent: 50m (was: 40m)
> Simplify types in Beam ZetaSQL
> ------------------------------
>
> Key: BEAM-9179
> URL: https://issues.apache.org/jira/browse/BEAM-9179
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql-zetasql
> Reporter: Yueyang Qiu
> Assignee: Yueyang Qiu
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Currently, how types work in Beam ZetaSQL is very confusing: code that does
> type conversion between Calcite/Beam/ZetaSQL type systems are everywhere and
> is likely to be not consistent. In addition, the recent migration to
> BeamZetaSqlCalcRel makes the situation even worse: it adds another layer for
> type conversion and makes a lot of code (for making ZetaSQL functions
> manually) obsolete. This makes debugging and supporting new features very
> hard. A few examples:
> * Support new ZetaSQL types (e.g. DATE/TIME/DATETIME)
> * Fix the long-standing precision & timezone issue of TIMESTMAP type
> * Support BeamSQL query parameters
> Therefore, I propose we work on the following items to make the story of Beam
> ZetaSQL type clearer:
> * Define a clear mapping between Calcite/Beam/ZetaSQL types and values
> * Refactor the codebase to move all type conversion code to a single source
> of truth
> * Add thorough testing for it
> * Remove obsolete code that is added to make functions work before
> BeamZetaSqlCalcRel
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