dbGetRowsAffected {DBI} | R Documentation |
This function returns the number of rows that were added, deleted, or updated by a data manipulation statement. For a selection query, this function returns 0.
dbGetRowsAffected(res, ...)
res |
An object inheriting from |
... |
Other arguments passed on to methods. |
a numeric vector of length 1
Other DBIResult generics: DBIResult-class
,
SQL
, dbBind
,
dbClearResult
, dbColumnInfo
,
dbFetch
, dbGetInfo
,
dbGetRowCount
,
dbGetStatement
,
dbHasCompleted
, dbIsValid
con <- dbConnect(RSQLite::SQLite(), ":memory:") dbWriteTable(con, "mtcars", mtcars) rs <- dbSendStatement(con, "DELETE FROM mtcars") dbGetRowsAffected(rs) nrow(mtcars) dbClearResult(rs) dbDisconnect(con)