DBReader
public class DBReader
Methods
bool IsClosed()
-
Indicates if the reader has been closed
bool Read()
-
Read the next row from the database
void Close()
-
Close the reader
void Dispose()
-
Disposes the reader. Its important in non-sandboxed environments to dispose the reader to avoid memory leaks
object GetValue(int index)
-
Get the value of the column of the current row by index
Example
This example sets and updates information about a person
s = Database.GetSchema("Datastorage")
hasData = False
with s.Select("select Id, Name, Age from Person") as reader:
while reader.Read():
hasData = True
ProcessInstance.Warn("DBData:"+str(reader.GetValue(1)))
mId = reader.GetValue(0)
mAge = reader.GetValue(2)
if hasData:
s.Execute("UPDATE Person SET Age=%d WHERE ID=%d" % (mAge + 1, mId))
else:
s.Execute("INSERT INTO Person (Name,Age) VALUES ('Frank',45)")
s.Close()