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mmuru
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import pyarrow as pa
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import pytest
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from datafusion import ExecutionContext
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@pytest.fixture
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def ctx():
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return ExecutionContext()
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def test_register_record_batches(ctx):
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# create a RecordBatch and register it as memtable
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batch = pa.RecordBatch.from_arrays(
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[pa.array([1, 2, 3]), pa.array([4, 5, 6])],
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names=["a", "b"],
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)
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ctx.register_record_batches("t", [[batch]])
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assert ctx.tables() == {"t"}
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result = ctx.sql("SELECT a+b, a-b FROM t").collect()
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assert result[0].column(0) == pa.array([5, 7, 9])
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assert result[0].column(1) == pa.array([-3, -3, -3])
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