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[SPARK-44479][CONNECT][PYTHON] Fix protobuf conversion from an empty struct type#42179

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ueshin wants to merge 1 commit intoapache:branch-3.4from
ueshin:issues/SPARK-44479/3.4/empty_schema
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[SPARK-44479][CONNECT][PYTHON] Fix protobuf conversion from an empty struct type#42179
ueshin wants to merge 1 commit intoapache:branch-3.4from
ueshin:issues/SPARK-44479/3.4/empty_schema

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@ueshin ueshin commented Jul 27, 2023

What changes were proposed in this pull request?

This is a partial backport of #42161.

Fixes protobuf conversion from an empty struct type.

Why are the changes needed?

The empty struct type was not properly converted to the protobuf message.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Existing tests.

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ueshin commented Jul 27, 2023

cc @HyukjinKwon @zhengruifeng

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Merged to branch-3.4.

HyukjinKwon pushed a commit that referenced this pull request Jul 27, 2023
…struct type

### What changes were proposed in this pull request?

This is a partial backport of #42161.

Fixes protobuf conversion from an empty struct type.

### Why are the changes needed?

The empty struct type was not properly converted to the protobuf message.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Existing tests.

Closes #42179 from ueshin/issues/SPARK-44479/3.4/empty_schema.

Authored-by: Takuya UESHIN <ueshin@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
viirya pushed a commit to viirya/spark-1 that referenced this pull request Oct 19, 2023
…struct type

### What changes were proposed in this pull request?

This is a partial backport of apache#42161.

Fixes protobuf conversion from an empty struct type.

### Why are the changes needed?

The empty struct type was not properly converted to the protobuf message.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Existing tests.

Closes apache#42179 from ueshin/issues/SPARK-44479/3.4/empty_schema.

Authored-by: Takuya UESHIN <ueshin@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
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2 participants