[python] Support VARIANT type in pypaimon#7635
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chenghuichen wants to merge 7 commits intoapache:masterfrom
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[python] Support VARIANT type in pypaimon#7635chenghuichen wants to merge 7 commits intoapache:masterfrom
chenghuichen wants to merge 7 commits intoapache:masterfrom
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Purpose
Background: #7655
This PR adds VARIANT read/write support to pypaimon, with a particular focus on shredded VARIANT.
variant.shreddingSchemais configured on a table, VARIANT columns are written in shredded Parquet format according to the schema.struct<value: binary, metadata: binary>form, transparent to the caller.Shredded column pruning and predicate pushdown will be built on top of this PR.
Tests
pypaimon/tests/variant_test.pyrun_java_variant_write_py_read_testrun_py_variant_write_java_read_test