pg_lake_copy: reject multidimensional arrays in COPY TO before CSV serialization#430

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Commits on Jul 17, 2026

pg_lake_copy: reject multidimensional arrays in COPY TO before CSV serialization

sfc-gh-rbachala
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sfc-gh-mslot
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Address review: drop redundant DATA_FORMAT_ICEBERG guard on multidim check
sfc-gh-mslot
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pg_lake_copy: exempt CSV from the COPY TO multidim-array guard

sfc-gh-mslot
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claude
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