Implement Cluster 2 spark.write fidelity - #23

Merged

engineeringmadness merged 8 commits into

cursor/spark-write-cluster-2-56a6

Sep 4, 2026

Commits on Sep 4, 2026

Add Spark save modes error, errorIfExists, and ignore.

cursoragent
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engineeringmadness
committed
bd32bd8
Add DataFrameWriter.insertInto for existing CSV tables.

cursoragent
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engineeringmadness
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91f9cd5
Validate partitionBy columns and honor replaceWhere overwrites.

cursoragent
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engineeringmadness
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0a6fc5d
Honor CSV write options and persist them for table reads.

cursoragent
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engineeringmadness
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05a71c6
Dispatch parquet, json, and format().save() file writes.

cursoragent
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engineeringmadness
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d3a28ec
Honor overwriteSchema and mergeSchema on CSV table writes.

cursoragent
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engineeringmadness
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5532608
Accept bucketBy and sortBy as documented no-ops.

cursoragent
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engineeringmadness
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fa30aa6
Add a minimal writeTo V2 façade over saveAsTable.

cursoragent
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engineeringmadness
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3de0b6d