ReferenceSQL FunctionsScalar FunctionsSystem FunctionsCONNECTION_IDVeloDB Cloud 26.x·Apache Doris 4.x (≤ 4.0 supported)·"Since X.Y" tags refer to Doris versionsversion mapping →On this pageCONNECTION_IDDescription Get the connection number of the current sql client. Syntax CONNECTION_ID() Return Value The connection number of the current sql client. Examples select connection_id(); +-----------------+| connection_id() |+-----------------+| 549 |+-----------------+