Parameterized Statements
The following code example shows how to bind parameters to create parameterized statements.
Single-Use Statements
The sqlExecute function from RODBCext accepts an additional data frame for binding query parameters to values.
sqlExecute(
cnx,
query = "SELECT ShipName, ShipCity FROM \"postgres\".\"schema01\".Orders WHERE ShipCountry = ?",
data = data.frame("USA")
)
results <- sqlGetResults(cnx, max = 1000)
while (is.data.frame(results)) {
for (row in 1:nrow(results)) {
cat(paste("ShipName = ", results[row,]$ShipName, "\n"))
cat(paste("ShipCity = ", results[row,]$ShipCity, "\n"))
}
results <- sqlGetResults(cnx, max = 1000)
}