Files
greptimedb/tests/cases/standalone/common/promql/precisions.sql
T
discord9 7f949f48c0 fix(promql): preserve native timestamps through sample selection (#9070)
* fix(promql): preserve native timestamps through sample selection

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix(promql): retain column indices in instant plan ordering

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): update native precision plan expectations

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix(promql): preserve selector output column order

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): verify preserved selector output order

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): refresh native timestamp explain expectations

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix: apply PromQL offsets without native timestamp overflow

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test: cover negative PromQL offsets at native timestamp bounds

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* feat: allow native precision instant LastRow selection

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* refactor: discard unused bounds for empty range intersections

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix: preserve native time bounds independently for LastRow

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test: verify native LastRow predicates and overflow through SQL

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* docs: explain native PromQL selection and scan invariants

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* fix(promql): address timestamp helper and stream review feedback

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* refactor(promql): pass selector offsets explicitly from planner

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): retain explicit offset in payload overflow regression

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(promql): record inner-offset subquery SQL results

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

---------

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
2026-09-14 03:47:57 +00:00

114 lines
3.9 KiB
SQL

CREATE TABLE host_sec (
ts timestamp(0) time index,
host STRING PRIMARY KEY,
val DOUBLE,
);
INSERT INTO TABLE host_sec VALUES
(0, 'host1', 1),
(0, 'host2', 2),
(5, 'host1', 3),
(5, 'host2', 4),
(10, 'host1', 5),
(10, 'host2', 6),
(15, 'host1', 7),
(15, 'host2', 8);
CREATE TABLE host_micro (
ts timestamp(6) time index,
host STRING PRIMARY KEY,
val DOUBLE,
);
INSERT INTO TABLE host_micro VALUES
(0, 'host1', 1),
(0, 'host2', 2),
(5000000, 'host1', 3),
(5000000, 'host2', 4),
(10000000, 'host1', 5),
(10000000, 'host2', 6),
(15000000, 'host1', 7),
(15000000, 'host2', 8);
CREATE TABLE host_nano (
ts timestamp(9) time index,
host STRING PRIMARY KEY,
val DOUBLE,
);
INSERT INTO TABLE host_nano VALUES
(0, 'host1', 1),
(0, 'host2', 2),
(5000000000, 'host1', 3),
(5000000000, 'host2', 4),
(10000000000, 'host1', 5),
(10000000000, 'host2', 6),
(15000000000, 'host1', 7),
(15000000000, 'host2', 8);
-- Test on Timestamps of different precisions
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') host_sec{host="host1"};
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') avg_over_time(host_sec{host="host1"}[5s]);
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') host_micro{host="host1"};
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') avg_over_time(host_micro{host="host1"}[5s]);
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') host_sec{host="host1"} + host_micro{host="host1"};
-- SQLNESS SORT_RESULT 3 1
TQL EVAL (0, 15, '5s') avg_over_time(host_sec{host="host1"}[5s]) + avg_over_time(host_micro{host="host1"}[5s]);
-- Verify that PromQL time predicates on non-millisecond time indexes are
-- pushed into the scan as native timestamp range filters.
-- Instant selection compares raw timestamps before millisecond output conversion:
-- host = "host1" AND ts_us > -300000000us AND ts_us <= 10000000us.
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (RepartitionExec:.*) RepartitionExec: REDACTED
-- SQLNESS REPLACE host_micro.__table_id\s*=\s*UInt32\(\d+\) host_micro.__table_id=UInt32(REDACTED)
-- SQLNESS REPLACE host_nano.__table_id\s*=\s*UInt32\(\d+\) host_nano.__table_id=UInt32(REDACTED)
TQL EXPLAIN (0, 10, '5s') host_micro{host="host1"};
-- The same exclusive-lower, inclusive-upper window applies to nanosecond indexes.
-- Expected native bounds: ts_ns > -300000000000ns AND ts_ns <= 10000000000ns.
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (RepartitionExec:.*) RepartitionExec: REDACTED
-- SQLNESS REPLACE host_nano.__table_id\s*=\s*UInt32\(\d+\) host_nano.__table_id=UInt32(REDACTED)
TQL EXPLAIN (0, 10, '5s') host_nano{host="host1"};
-- Range selectors use their range window instead of the default lookback.
-- Native range selector filter for [5s]:
-- host = "host1" AND ts_us > -5000000us AND ts_us <= 10000000us
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (RepartitionExec:.*) RepartitionExec: REDACTED
-- SQLNESS REPLACE host_micro.__table_id\s*=\s*UInt32\(\d+\) host_micro.__table_id=UInt32(REDACTED)
TQL EXPLAIN (0, 10, '5s') avg_over_time(host_micro{host="host1"}[5s]);
-- Range membership also retains nanosecond precision.
-- Expected native bounds: ts_ns > -5000000000ns AND ts_ns <= 10000000000ns.
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (RepartitionExec:.*) RepartitionExec: REDACTED
-- SQLNESS REPLACE host_nano.__table_id\s*=\s*UInt32\(\d+\) host_nano.__table_id=UInt32(REDACTED)
TQL EXPLAIN (0, 10, '5s') avg_over_time(host_nano{host="host1"}[5s]);
DROP TABLE host_sec;
DROP TABLE host_micro;
DROP TABLE host_nano;