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14c2c1d6e8
We didn't properly resolve INDEX_VARs in the output targetlist of DecompressChunk nodes, which are present when it uses a custom scan targetlist. Fix this by always working with the targetlist where these variables are resolved to uncompressed chunk variables, like we do during execution.
42 lines
1.5 KiB
SQL
42 lines
1.5 KiB
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 parameterized vector aggregation plans.
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create table pvagg(s int, a int);
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select create_hypertable('pvagg', 'a', chunk_time_interval => 1000);
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insert into pvagg select 1, generate_series(1, 999);
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insert into pvagg select 2, generate_series(1001, 1999);
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alter table pvagg set (timescaledb.compress, timescaledb.compress_segmentby = 's');
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select count(compress_chunk(x)) from show_chunks('pvagg') x;
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analyze pvagg;
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-- The reference for this test is generated using the standard Postgres
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-- aggregation. When you change this test, recheck the results against the
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-- Postgres aggregation by uncommenting the below GUC.
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-- set timescaledb.enable_vectorized_aggregation to off;
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explain (verbose, costs off)
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select * from unnest(array[0, 1, 2]::int[]) x, lateral (select sum(a) from pvagg where s = x) xx;
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select * from unnest(array[0, 1, 2]::int[]) x, lateral (select sum(a) from pvagg where s = x) xx;
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explain (verbose, costs off)
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select * from unnest(array[0, 1, 2]::int[]) x, lateral (select sum(a + x) from pvagg) xx;
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select * from unnest(array[0, 1, 2]::int[]) x, lateral (select sum(a + x) from pvagg) xx;
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-- The plan for this query differs after PG16, x is not used as grouping key but
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-- just added into the output targetlist of partial aggregation nodes.
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select * from unnest(array[0, 1, 2]::int[]) x, lateral (select sum(a) from pvagg group by x) xx;
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drop table pvagg;
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