Support output_format="DataStore" across query / session / streaming APIs#68
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wudidapaopao merged 3 commits intoMay 27, 2026
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chdb-core-lite strips registration of toDecimal128/256 to fit the 50MB wheel budget. Two pre-existing tests inadvertently triggered the missing path: test_decimal_types_match_serial calls toDecimal128 directly, and test_nullable_decimal CASTs to Decimal(38, 10) which routes through toDecimal128 internally. Add @skipIf(_LITE) following the established pattern (test_dataframe_column_types_1.py, test_func_udf_types.py, ...).
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Closes #67
Summary
chdb.query,Connection.query,Session.queryacceptoutput_format="DataStore"(case-insensitive) and return achdb.datastore.DataStore.Connection.send_query/Session.send_querystreamDataStorechunks.ImportErrorwith an install hint when thechdbpackage is missing.Test plan
python3 -m unittest tests.test_datastore_format -vtest_streaming_dataframe/test_basicstill pass.