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Resample Query Join and Aggregation Updates #857

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Merged
merged 2 commits into from
Jan 17, 2025
Merged

Resample Query Join and Aggregation Updates #857

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37c7681
Resample Query Updates
GBBBAS Jan 17, 2025
e61b792
Update Unit Tests
GBBBAS Jan 17, 2025
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7 changes: 3 additions & 4 deletions src/sdk/python/rtdip_sdk/queries/time_series/_time_series_query_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ def _sql_query(parameters_dict: dict) -> str:

def _sample_query(parameters_dict: dict) -> tuple:
sample_query = (
'WITH raw_events AS (SELECT DISTINCT from_utc_timestamp(date_trunc("millisecond",`{{ timestamp_column }}`), "{{ time_zone }}") AS `{{ timestamp_column }}`, `{{ tagname_column }}`, {% if include_status is defined and include_status == true %} `{{ status_column }}`, {% else %} \'Good\' AS `Status`, {% endif %} `{{ value_column }}` FROM '
"WITH raw_events AS (SELECT DISTINCT from_utc_timestamp(date_trunc(\"millisecond\",`{{ timestamp_column }}`), \"{{ time_zone }}\") AS `{{ timestamp_column }}`, `{{ tagname_column }}`, {% if include_status is defined and include_status == true %} `{{ status_column }}`, {% else %} 'Good' AS `Status`, {% endif %} `{{ value_column }}`, window(`{{ timestamp_column }}`, '{{ time_interval_rate + ' ' + time_interval_unit }}') FROM "
"{% if source is defined and source is not none %}"
"`{{ source|lower }}` "
"{% else %}"
Expand All @@ -152,9 +152,8 @@ def _sample_query(parameters_dict: dict) -> tuple:
"{% endif %}"
"{% if include_status is defined and include_status == true and include_bad_data is defined and include_bad_data == false %} AND `{{ status_column }}` <> 'Bad' {% endif %}) "
',date_array AS (SELECT explode(sequence(from_utc_timestamp(to_timestamp("{{ start_date }}"), "{{ time_zone }}"), from_utc_timestamp(to_timestamp("{{ end_date }}"), "{{ time_zone }}"), INTERVAL \'{{ time_interval_rate + \' \' + time_interval_unit }}\')) AS timestamp_array) '
",window_buckets AS (SELECT timestamp_array AS window_start, timestampadd({{ time_interval_unit }}, {{ time_interval_rate }}, timestamp_array) AS window_end FROM date_array) "
",resample AS (SELECT /*+ RANGE_JOIN(d, {{ range_join_seconds }} ) */ d.window_start, d.window_end, e.`{{ tagname_column }}`, {{ agg_method }}(e.`{{ value_column }}`) OVER (PARTITION BY e.`{{ tagname_column }}`, d.window_start ORDER BY e.`{{ timestamp_column }}` ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS `{{ value_column }}` FROM window_buckets d INNER JOIN raw_events e ON d.window_start <= e.`{{ timestamp_column }}` AND d.window_end > e.`{{ timestamp_column }}`) "
",project AS (SELECT window_start AS `{{ timestamp_column }}`, `{{ tagname_column }}`, `{{ value_column }}` FROM resample GROUP BY window_start, `{{ tagname_column }}`, `{{ value_column }}` "
",window_buckets AS (SELECT timestamp_array AS window_start, window(timestamp_array, '{{ time_interval_rate + ' ' + time_interval_unit }}') FROM date_array) "
",project AS (SELECT d.window_start AS `{{ timestamp_column }}`, e.`{{ tagname_column }}`, {{ agg_method }}(e.`{{ value_column }}`) AS `{{ value_column }}` FROM window_buckets d INNER JOIN raw_events e ON d.window.start = e.window.start AND d.window.end = e.window.end) GROUP BY d.window_start, e.`{{ tagname_column }}` "
"{% if is_resample is defined and is_resample == true %}"
"ORDER BY `{{ tagname_column }}`, `{{ timestamp_column }}` "
"{% endif %}"
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