execute function

Execute SQL statement in database. Combination of functions execute and clearResult. If required, database is automatically connected and disconnected.

execute(db, statement, ...)

Arguments

• db: rocker object
• statement: SQL statement (UPDATE, DELETE, INSERT INTO, ...)
• ...: Optional, additional suitable parameters passed to DBI::dbSendStatement()

Returns

Number of affected rows

Examples

db <- rocker::newDB()
rocker::setupSQLite(db)
rocker::connect(db)
rocker::writeTable(db, "mtcars", mtcars)
rocker::execute(db, "DELETE FROM mtcars WHERE gear = 3;")
rocker::disconnect(db)
rocker::unloadDriver(db)

See Also

Other rocker-S3-functions: appendTable(), begin(), canConnect(), clearResult(), columnInfo(), commit(), connect(), createTable(), disconnect(), existsTable(), fetch(), getInfoCon(), getInfoDrv(), getInfoRes(), getQuery(), getRowCount(), getRowsAffected(), getStatement(), hasCompleted(), isValidCon(), isValidDrv(), isValidRes(), listFields(), listObjects(), listTables(), readTable(), removeTable(), rocker-README, rocker-S3-functions, rocker-package, rollback(), sendQuery(), sendStatement(), setupDriver(), setupMariaDB(), setupPostgreSQL(), setupSQLite(), unloadDriver(), validateCon(), writeTable()