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Deduplicate rows in subquery #409

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merged 4 commits into from
Jan 6, 2020
Merged

Deduplicate rows in subquery #409

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a8fc7a2
Deduplicate rows in subquery
Jan 6, 2020
f203b11
Rename columns
Jan 6, 2020
a0ddd05
Use correct feature names
Jan 6, 2020
97f4d84
Select k.* instead of iterating through fields
Jan 6, 2020
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12 changes: 10 additions & 2 deletions serving/src/main/resources/templates/single_featureset_pit_join.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ SELECT
{{ featureSet.entities | join(', ')}},
false AS is_entity_table
FROM `{{projectId}}.{{datasetId}}.{{ featureSet.project }}_{{ featureSet.name }}_v{{ featureSet.version }}` WHERE event_timestamp <= '{{maxTimestamp}}' AND event_timestamp >= Timestamp_sub(TIMESTAMP '{{ minTimestamp }}', interval {{ featureSet.maxAge }} second)
)
), joined AS (
SELECT
uuid,
event_timestamp,
Expand Down Expand Up @@ -44,4 +44,12 @@ SELECT
{% endfor %}
FROM `{{projectId}}.{{datasetId}}.{{ featureSet.project }}_{{ featureSet.name }}_v{{ featureSet.version }}` WHERE event_timestamp <= '{{maxTimestamp}}' AND event_timestamp >= Timestamp_sub(TIMESTAMP '{{ minTimestamp }}', interval {{ featureSet.maxAge }} second)
) USING ({{ featureSet.project }}_{{ featureSet.name }}_v{{ featureSet.version }}_feature_timestamp, created_timestamp, {{ featureSet.entities | join(', ')}})
WHERE is_entity_table
WHERE is_entity_table
)
SELECT
k.*
FROM (
SELECT ARRAY_AGG(row LIMIT 1)[OFFSET(0)] k
FROM joined row
GROUP BY uuid
)