Index: src/sqlite.h.in ================================================================== --- src/sqlite.h.in +++ src/sqlite.h.in @@ -3066,10 +3066,12 @@ ** respectively. ** In other words, the initial ":" or "$" or "@" or "?" ** is included as part of the name.)^ ** ^Parameters of the form "?" without a following integer have no name ** and are referred to as "nameless" or "anonymous parameters". +** ^Any parameter that is optimized out of the prepared statement by the +** query planner becomes a nameless or anonymous parameter. ** ** ^The first host parameter has an index of 1, not 0. ** ** ^If the value N is out of range or if the N-th parameter is ** nameless, then NULL is returned. ^The returned string is