public DapperBulkUpdateOperation(AbstractConnection connection, Entity entity) {
_connection = connection;
_tflBatchId = entity.TflBatchId;
_fields = entity.OutputFields();
var writer = new FieldSqlWriter(_fields);
var sets = writer.Alias(_connection.L, _connection.R).SetParam().Write(", ", false);
_sql = string.Format(@"UPDATE [{0}] SET {1}, TflBatchId = @TflBatchId WHERE TflKey = @TflKey;", entity.OutputName(), sets);
}
protected override void PrepareCommand(Row row, SqlCommand command) {
var sets = new FieldSqlWriter(_process.CalculatedFields.WithOutput())
.Alias(_process.OutputConnection.L, _process.OutputConnection.R)
.SetParam()
.Write();
command.CommandText = string.Format("UPDATE {0} SET {1} WHERE TflKey = @TflKey;", _process.MasterEntity.OutputName(), sets);
foreach (var field in _process.CalculatedFields) {
AddParameter(command, field.Identifier, row[field.Alias]);
}
AddParameter(command, "TflKey", row["TflKey"]);
}
public SqlResultsLoad(Process process) {
_process = process;
_fields = _process.CalculatedFields;
var sets = new FieldSqlWriter(_fields).Alias(_process.OutputConnection.L, _process.OutputConnection.R).SetParam().Write();
_sql = string.Format("UPDATE {0} SET {1} WHERE TflKey = @TflKey;", _process.MasterEntity.OutputName(), sets);
}
public void TestWriteNameIsNullAsAlias() {
const string expected = "ISNULL([f1], 'x') AS [Field1], ISNULL([f2], 0) AS [Field2]";
var actual = new FieldSqlWriter(_fields).Name("[", "]").IsNull().AsAlias("[", "]").Write();
Assert.AreEqual(expected, actual);
}
public void TestWriteNameDataTypeNull() {
const string expected = "[f1] NVARCHAR(10) NULL, [f2] INT NULL";
var actual = new FieldSqlWriter(_fields).Name("[", "]").DataType(new SqlServerDataTypeService()).Append(" NULL").Write();
Assert.AreEqual(expected, actual);
}
public void TestWriteName() {
const string expected = "[f1], [f2]";
var actual = new FieldSqlWriter(_fields).Name("[", "]").Write();
Assert.AreEqual(expected, actual);
}
public void TestWriteAliasIsNull() {
const string expected = "ISNULL([Field1], 'x'), ISNULL([Field2], 0)";
var actual = new FieldSqlWriter(_fields).Alias("[", "]").IsNull().Write();
Assert.AreEqual(expected, actual);
}
public void TestWriteAlias() {
const string expected = "[Field1], [Field2]";
var actual = new FieldSqlWriter(_fields).Alias("[","]").Write();
Assert.AreEqual(expected, actual);
}
public void TestWriteNothing() {
const string expected = ", ";
var actual = new FieldSqlWriter(_fields).Write();
Assert.AreEqual(expected, actual);
}
