| dbHasCompleted {DBI} | R Documentation |
This method returns if the operation has completed.
A SELECT query is completed if all rows have been fetched.
A data manipulation statement is completed if it has been executed.
dbHasCompleted(res, ...)
res |
An object inheriting from |
... |
Other arguments passed on to methods. |
a logical vector of length 1
Other DBIResult generics: DBIResult-class,
SQL, dbBind,
dbClearResult, dbColumnInfo,
dbFetch, dbGetInfo,
dbGetRowCount,
dbGetRowsAffected,
dbGetStatement, dbIsValid
con <- dbConnect(RSQLite::SQLite(), ":memory:") dbWriteTable(con, "mtcars", mtcars) rs <- dbSendQuery(con, "SELECT * FROM mtcars") dbHasCompleted(rs) ret1 <- dbFetch(rs, 10) dbHasCompleted(rs) ret2 <- dbFetch(rs) dbHasCompleted(rs) dbClearResult(rs) dbDisconnect(con)