jorisvandenbossche commented on code in PR #13075:
URL: https://github.com/apache/arrow/pull/13075#discussion_r868086017
##########
python/pyarrow/tests/test_exec_plan.py:
##########
@@ -190,3 +191,35 @@ def test_table_join_keys_order():
"colVals_l": ["a", "b", "f", None],
"colVals_r": ["A", "B", None, "Z"],
})
+
+
[email protected]("use_datasets", [False, True])
+def test_filter_table(use_datasets):
+ t = pa.table({
+ "a": [1, 2, 3, 4, 5],
+ "b": [10, 20, 30, 40, 50]
+ })
+ if use_datasets:
+ t = ds.dataset([t])
+
+ result = ep._filter_table(
+ t, (pc.field("a") <= pc.scalar(3)) & (pc.field("b") == pc.scalar(20)),
+ output_type=pa.Table if not use_datasets else ds.InMemoryDataset
+ )
+ if use_datasets:
+ result = result.to_table()
+ assert result == pa.table({
+ "a": [2],
+ "b": [20]
+ })
+
+ result = ep._filter_table(
+ t, pc.field("b") > pc.scalar(30),
+ output_type=pa.Table if not use_datasets else ds.InMemoryDataset
+ )
+ if use_datasets:
+ result = result.to_table()
+ assert result == pa.table({
+ "a": [4, 5],
+ "b": [40, 50]
+ })
Review Comment:
Maybe add a small check that ensures a proper error is raised (and eg no
segfault) if 1) passing an expressions that doesn't return a boolean value, 2)
passing an expression referencing a non-existing field name
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