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When a query has a filter that only needs to be evaluated once per query it will be represented as a Result node with the filter condition on the Result node and the actual query as child of the result node. find_data_node_scan_state_child did not consider Result node as valid node to contain a DataNodeScan node leading to a `unexpected child node of Append or MergeAppend: 62` for queries that had one-time filter with a subquery.
15 lines
396 B
SQL
15 lines
396 B
SQL
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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-- Test DataNodeScan with subquery with one-time filter
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SELECT
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id
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FROM
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insert_test
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WHERE
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NULL::int2 >= NULL::int2 OR
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EXISTS (SELECT 1 from dist_chunk_copy WHERE insert_test.id IS NOT NULL)
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ORDER BY id;
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