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https://github.com/GreptimeTeam/greptimedb.git
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discord9
df8f6848cc
* fix(query): keep lossy casts out of partition pruning Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): align cast pruning expectations with conservative fallback Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): record lossy cast partition pruning regression Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * fix(query): retain safe pruning conjuncts beside unsupported casts Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(query): refresh cast pruning plans after rebase Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> --------- Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
76 lines
2.4 KiB
SQL
76 lines
2.4 KiB
SQL
CREATE TABLE partition_pruning_cast_partitioned (
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ts TIMESTAMP TIME INDEX,
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k FLOAT PRIMARY KEY,
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v BIGINT,
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)
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PARTITION ON COLUMNS (k) (
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k < 1.25,
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k >= 1.25
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);
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CREATE TABLE partition_pruning_cast_control (
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ts TIMESTAMP TIME INDEX,
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k FLOAT PRIMARY KEY,
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v BIGINT,
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);
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INSERT INTO partition_pruning_cast_partitioned VALUES
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(1000, 1.0, 10),
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(1000, 1.5, 15),
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(1000, 2.5, 25);
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INSERT INTO partition_pruning_cast_control VALUES
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(1000, 1.0, 10),
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(1000, 1.5, 15),
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(1000, 2.5, 25);
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SELECT k, v, CAST(k AS BIGINT) AS cast_k
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FROM partition_pruning_cast_partitioned ORDER BY k;
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SELECT k, v, CAST(k AS BIGINT) AS cast_k
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FROM partition_pruning_cast_control ORDER BY k;
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (partitioning.*) REDACTED
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EXPLAIN SELECT k, v, CAST(k AS BIGINT) AS cast_k
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FROM partition_pruning_cast_partitioned
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WHERE CAST(k AS BIGINT) = 1;
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SELECT ts, k, v, CAST(k AS BIGINT) AS cast_k
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FROM partition_pruning_cast_partitioned
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WHERE CAST(k AS BIGINT) = 1
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ORDER BY k;
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SELECT ts, k, v, CAST(k AS BIGINT) AS cast_k
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FROM partition_pruning_cast_control
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WHERE CAST(k AS BIGINT) = 1
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ORDER BY k;
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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 (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 k, v
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FROM partition_pruning_cast_partitioned
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WHERE k >= 1.25::FLOAT AND k < 2.5::FLOAT;
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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 (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 k, v
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FROM partition_pruning_cast_partitioned
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WHERE k >= 1.25::FLOAT AND k < 2.5::FLOAT AND CAST(v AS INT) IS NOT NULL;
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SELECT k, v FROM partition_pruning_cast_partitioned
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WHERE k >= 1.25::FLOAT AND k < 2.5::FLOAT AND CAST(v AS INT) IS NOT NULL;
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SELECT k FROM partition_pruning_cast_partitioned
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WHERE k = 1.0 OR CAST(k AS BIGINT) = 1 ORDER BY k;
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DROP TABLE partition_pruning_cast_partitioned;
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DROP TABLE partition_pruning_cast_control;
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