Postgres can use a GIN (generalized inverted) index for the tsvector text search predicate and a B-tree for ordering or numeric filters. But because GIN does not preserve ordering and Postgres cannot combine ordering guarantees across different indexes, the planner must decompose the query into phases:
COMMIT operations to be very fast but an occasional COMMIT (those that trigger
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許多專家因此分析，德國一貫的典型戰略便是在美中夾擊下尋求平衡：一方面需維持對華經濟聯繫，以緩解國內產業危機與就業壓力；另一方面繼續「去風險」，以防過度依賴中國關鍵供應鏈（如稀土與晶片出口管制）。
To understand the urgency of emissions reductions, policymakers and citizens need a full analysis of what is at stake.