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https://github.com/GreptimeTeam/greptimedb.git
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discord9
0dab3aef21
* fix(query): skip LastRow pushdown for IGNORE NULLS Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * fix(query): keep IGNORE NULLS aggregates above remote scans Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): record IGNORE NULLS results before and after flush Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): share IGNORE NULLS coverage across deployments Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): refresh last-value plans after rebase Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> --------- Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
90 lines
2.7 KiB
SQL
90 lines
2.7 KiB
SQL
create table t (
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ts timestamp time index,
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host string primary key,
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not_pk string,
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val double,
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);
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insert into t values
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(0, 'a', '🌕', 1.0),
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(1, 'b', '🌖', 2.0),
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(2, 'a', '🌗', 3.0),
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(3, 'c', '🌘', 4.0),
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(4, 'a', '🌑', 5.0),
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(5, 'b', '🌒', 6.0),
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(6, 'a', '🌓', 7.0),
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(7, 'c', '🌔', 8.0),
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(8, 'd', '🌕', 9.0);
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select
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last_value(host order by ts) as ordered_host,
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last_value(not_pk order by ts),
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last_value(val order by ts)
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from t
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group by host
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order by ordered_host;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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explain select
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last_value(host order by ts),
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last_value(not_pk order by ts),
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last_value(val order by ts)
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from t
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group by host;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (elapsed_compute.*) REDACTED
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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-- SQLNESS REPLACE \\?"(dyn_filters|time_range|file_summary|max_part_range)\\?":.* "$1":REDACTED
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explain analyze
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select
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last_value(host order by ts),
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last_value(not_pk order by ts),
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last_value(val order by ts)
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from t
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group by host;
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select last_value(ts order by ts) from t;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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explain select last_value(ts order by ts) from t;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (elapsed_compute.*) REDACTED
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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-- SQLNESS REPLACE \\?"(dyn_filters|time_range|file_summary|max_part_range)\\?":.* "$1":REDACTED
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explain analyze
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select last_value(ts order by ts) from t;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (elapsed_compute.*) REDACTED
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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-- SQLNESS REPLACE \\?"(dyn_filters|time_range|file_summary|max_part_range)\\?":.* "$1":REDACTED
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explain analyze select
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last_value(val order by ts),
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last_value(val order by ts) respect nulls
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from t
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group by host;
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drop table t; |