feat: Implement CAST from struct to string#1066
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andygrove merged 10 commits intoapache:mainfrom Nov 8, 2024
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kazuyukitanimura
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Nov 8, 2024
| // https://github.com/apache/datafusion-comet/issues/1067 is resolved | ||
| // checkSparkAnswerAndOperator( | ||
| // "SELECT CAST(struct(_9, _10, _11, _12) as string) FROM tbl") | ||
| // decimals (_16 intentionally excluded due to formatting difference with scientific notation) |
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Let's file an issue for _16? Not sure if it is related to struct or independent decimal issue.;
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #1066 +/- ##
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+ Coverage 34.46% 54.82% +20.35%
+ Complexity 888 858 -30
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Files 113 110 -3
Lines 43580 10760 -32820
Branches 9658 2089 -7569
=============================================
- Hits 15021 5899 -9122
+ Misses 25507 3807 -21700
+ Partials 3052 1054 -1998 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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coderfender
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Dec 13, 2025
* rough out solution based on to_json * simple test passes * cover more types * format * improve checks * update * update * update * add comment * add link to issue
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Which issue does this PR close?
Closes #814
Rationale for this change
As we add support for complex types, we will need to support CASTing them to string, so that users can run
df.show()for example.What changes are included in this PR?
Implement CAST from struct to string
How are these changes tested?