feat(eap): Add timestamp_ns column to eap_items_1 table #7671
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Add a new UInt16 column `timestamp_ns` to the eap_items_1 table for storing sub-second timestamp precision. The column is added after the existing `timestamp` column and included in the sort key. Co-Authored-By: Claude <noreply@anthropic.com>
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This PR has a migration; here is the generated SQL for -- start migrations
-- forward migration events_analytics_platform : 0052_add_timestamp_ns_column
Local op:
ALTER TABLE eap_items_1_local
ADD COLUMN IF NOT EXISTS timestamp_ns UInt16 AFTER timestamp,
MODIFY ORDER BY (organization_id, project_id, item_type, timestamp, timestamp_ns, trace_id, item_id)
Distributed op: ALTER TABLE eap_items_1_dist ADD COLUMN IF NOT EXISTS timestamp_ns UInt16 AFTER timestamp
-- end forward migration events_analytics_platform : 0052_add_timestamp_ns_column
-- backward migration events_analytics_platform : 0052_add_timestamp_ns_column
Distributed op: ALTER TABLE eap_items_1_dist ON CLUSTER 'cluster_one_sh' DROP COLUMN IF EXISTS timestamp_ns;
Local op:
ALTER TABLE eap_items_1_local
MODIFY ORDER BY (organization_id, project_id, item_type, timestamp, trace_id, item_id)
Local op: ALTER TABLE eap_items_1_local ON CLUSTER 'cluster_one_sh' DROP COLUMN IF EXISTS timestamp_ns;
-- end backward migration events_analytics_platform : 0052_add_timestamp_ns_column |
volokluev
reviewed
Jan 26, 2026
| ), | ||
| operations.RunSql( | ||
| storage_set=self.storage_set_key, | ||
| statement=f"ALTER TABLE {self.dist_table_name} ADD COLUMN IF NOT EXISTS timestamp_ns UInt16 AFTER timestamp", |
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We have an add column operation for this
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Add a new
timestamp_nscolumn of typeUInt16to theeap_items_1table for storing sub-second timestamp precision.The migration:
timestamp_nscolumn after the existingtimestampcolumntimestamp_nsaftertimestamp:(organization_id, project_id, item_type, timestamp, timestamp_ns, trace_id, item_id)