chore: import upstream snapshot with attribution

bootstrap/sql/migrations/native/1.12.2/postgres/schemaChanges.sql

@@ -0,0 +1,29 @@
+-- Keyset pagination indexes for time-series tables used during search index reindexing
+CREATE INDEX IF NOT EXISTS idx_entity_extension_ts_keyset
+  ON entity_extension_time_series(timestamp, entityFQNHash);
+
+CREATE INDEX IF NOT EXISTS idx_report_data_ts_keyset
+  ON report_data_time_series(timestamp, entityFQNHash);
+
+CREATE INDEX IF NOT EXISTS idx_data_quality_data_ts_keyset
+  ON data_quality_data_time_series(timestamp, entityFQNHash);
+
+CREATE INDEX IF NOT EXISTS idx_test_case_resolution_status_ts_keyset
+  ON test_case_resolution_status_time_series(timestamp, entityFQNHash);
+
+CREATE INDEX IF NOT EXISTS idx_query_cost_ts_keyset
+  ON query_cost_time_series(timestamp, entityFQNHash);
+
+-- Index for listLastTestCaseResultsForTestSuite / listLastTestCaseResult performance.
+-- Supports "latest row per entityFQNHash" in data_quality_data_time_series.
+CREATE INDEX IF NOT EXISTS idx_entity_timestamp_desc
+  ON data_quality_data_time_series(entityFQNHash, timestamp DESC);
+-- Add entityStatus generated column to glossary_term_entity table for efficient filtering
+-- This supports the entityStatus filtering in the search API endpoint
+ALTER TABLE glossary_term_entity
+  ADD COLUMN IF NOT EXISTS entityStatus VARCHAR(32)
+  GENERATED ALWAYS AS (json ->> 'entityStatus')
+  STORED;
+
+-- Add index for efficient entityStatus filtering
+CREATE INDEX IF NOT EXISTS idx_glossary_term_entity_status ON glossary_term_entity (entityStatus);