mirror of
https://github.com/GreptimeTeam/greptimedb.git
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shuiyisong
2eff52c757
* feat(otlp): support raw delta exponential histograms Signed-off-by: shuiyisong <xixing.sys@gmail.com> * fix(otlp): guard point accounting and benchmark metrics ingestion Signed-off-by: shuiyisong <xixing.sys@gmail.com> * fix: remove otlp_metric_compat logic Signed-off-by: shuiyisong <xixing.sys@gmail.com> * perf(otlp): cache physical schema lookups during metric preflight Signed-off-by: shuiyisong <xixing.sys@gmail.com> * chore: minor rename Signed-off-by: shuiyisong <xixing.sys@gmail.com> * perf(otlp): batch metric rows and reuse schema validation Signed-off-by: shuiyisong <xixing.sys@gmail.com> * chore: comments Signed-off-by: shuiyisong <xixing.sys@gmail.com> * fix: replace super in import path Signed-off-by: shuiyisong <xixing.sys@gmail.com> --------- Signed-off-by: shuiyisong <xixing.sys@gmail.com>
52 lines
2.5 KiB
SQL
52 lines
2.5 KiB
SQL
-- Infer the canonical native-histogram Struct from a typed Parquet fixture.
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-- OTLP endpoint tests cover production ingestion.
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CREATE TABLE delta_histogram_source (
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greptime_timestamp TIMESTAMP TIME INDEX,
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histogram_schema INT, zero_threshold DOUBLE, sample_sum DOUBLE, reset_hint INT,
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start_timestamp TIMESTAMP, count_i64 BIGINT, zero_count_i64 BIGINT,
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absent_float DOUBLE
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);
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INSERT INTO delta_histogram_source VALUES
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(60000, 0, 0.001, 15.0, 3, 0, 10, 0, NULL),
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(120000, 0, 0.001, 30.0, 3, 60000, 20, 0, NULL),
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(180000, 0, 0.001, 22.5, 3, 120000, 15, 0, NULL);
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COPY (
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SELECT greptime_timestamp,
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named_struct(
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'schema', histogram_schema,
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'zero_threshold', zero_threshold,
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'sum', sample_sum,
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'reset_hint', reset_hint,
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'start_timestamp', start_timestamp,
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'custom_values', array_slice([sample_sum], 1, 0),
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'positive_span_offsets', [CAST(histogram_schema + 1 AS INT)],
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'positive_span_lengths', [CAST(histogram_schema + 1 AS INT)],
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'negative_span_offsets', array_slice([histogram_schema], 1, 0),
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'negative_span_lengths', array_slice([histogram_schema], 1, 0),
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'count_i64', count_i64,
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'zero_count_i64', zero_count_i64,
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'positive_buckets_i64', [count_i64],
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'negative_buckets_i64', array_slice([count_i64], 1, 0),
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'count_f64', absent_float,
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'zero_count_f64', absent_float,
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'positive_buckets_f64', array_slice([sample_sum], 1, 0),
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'negative_buckets_f64', array_slice([sample_sum], 1, 0)
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) AS greptime_native_histogram
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FROM delta_histogram_source
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) TO 'delta_histogram/data.parquet';
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CREATE EXTERNAL TABLE delta_exponential_histogram
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WITH (location='delta_histogram/data.parquet', format='parquet');
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TQL EVAL (180, 180, '1m') histogram_count(sum_over_time(delta_exponential_histogram[3m]));
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TQL EVAL (180, 180, '1m') histogram_sum(sum_over_time(delta_exponential_histogram[3m]));
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TQL EVAL (180, 180, '1m') histogram_count(sum_over_time(delta_exponential_histogram[3m]) / 180);
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TQL EVAL (180, 180, '1m') histogram_fraction(1, 2, sum_over_time(delta_exponential_histogram[3m]));
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-- A single endpoint contributes its whole interval; the left endpoint is excluded.
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TQL EVAL (180, 180, '1m') histogram_count(sum_over_time(delta_exponential_histogram[1m]));
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TQL EVAL (360, 360, '1m') histogram_count(sum_over_time(delta_exponential_histogram[3m]));
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DROP TABLE delta_exponential_histogram;
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DROP TABLE delta_histogram_source;
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