private static void AddMember(ModelDef modelDef, string memberName, Type type, string requiredNamespace)
{
string typeCode = type.Name;
string typeNamespace = type.Namespace;
if (type.Namespace != requiredNamespace)
{
string vernacularCode = TypeConvertor.ConvertCLRToVernacular(type.ToString());
if (vernacularCode != null)
{
typeCode = vernacularCode;
typeNamespace = null;
}
}
/* TODO: better to use IsClass or IsByRef ? */
bool isReference = type.IsClass || type.IsInterface;
if (memberName == "State")
{
Shared.Info("State");
}
if (typeCode == "string")
{
isReference = false;
}
/* TODO: not sure if this should rewrite the type here or not */
/* TODO: the Interface rewriting should be an option */
if (type.IsInterface && typeCode.StartsWith("I"))
{
typeCode = typeCode.Substring(1);
}
PropertyDef propertyDef = new PropertyDef {
PropertyName = memberName,
PropertyTypeCode = typeCode,
PropertyTypeNamespace = typeNamespace,
IsInterface = type.IsInterface,
IsReference = isReference,
IsEnum = type.IsEnum
};
modelDef.PropertyDefMap[memberName] = propertyDef;
}
/* TODO: GetSchemaTable was failing on SQL Server Express, not sure why.
* It's not that it needed data rows in the table.
* Does it need data actually returned? */
private void PopulateFields2008(ProcedureDef procedureDef)
{
/* MSSQL prior to 2012 might need this, we can verify if there's a client to test against at some point */
/*
* call the procedure to see the result set
*
*/
using (SqlTransaction trans = this.SqlConnection.BeginTransaction()) {
using (SqlCommand command = new SqlCommand()
{
CommandText = procedureDef.ProcedureName,
CommandType = CommandType.StoredProcedure,
Connection = this.SqlConnection,
Transaction = trans
}) {
foreach (ParameterDef parameterDef in procedureDef.ParameterDefMap.Values)
{
ParameterDirection direction;
if (parameterDef.IsOutParameter)
{
direction = ParameterDirection.Output;
}
else
{
direction = ParameterDirection.Input;
}
var parameter = new SqlParameter {
ParameterName = parameterDef.ParameterName,
Direction = direction,
Size = parameterDef.ParameterSize,
SqlDbType = GetSqlDbType(parameterDef.ParameterDataTypeCode)
};
parameter.Value = DBNull.Value;
command.Parameters.Add(parameter);
}
DataTable tableSchema;
/* we really want all 3 behaviors, and within a transaction, but the two
* behaviors CommandBehavior.SchemaOnly and CommandBehavior.KeyInfo fail
* to give us a schema table to read. So we have to get a result within
* a transaction. There's nothing super wrong with that, but it feels
* dirty. Here are the results of combinations we've tried (all with SQL
* Server Express 2014):
* No behaviors, no transaction : succeeded
* CommandBehavior.SchemaOnly alone, no transaction : failed
* CommandBehavior.SchemaOnly| CommandBehavior.KeyInfo, no trans : failed
* CommandBehavior.SchemaOnly| CommandBehavior.SingleResult, no trans : failed
* CommandBehavior.SchemaOnly | CommandBehavior.KeyInfo | CommandBehavior.SingleResult, no trans : failed
* CommandBehavior.KeyInfo, no trans : failed
* CommandBehavior.KeyInfo | CommandBehavior.SingleResult, no trans : failed
* CommandBehavior.SingleResult, no trans : succeeded
* No behaviors, with trans : succeeded
* CommandBehavior.SingleResult, with trans : succeeded
*/
using (var reader = command.ExecuteReader(CommandBehavior.SingleResult)) {
reader.Read();
tableSchema = reader.GetSchemaTable();
}
trans.Rollback();
if (tableSchema == null)
{
throw new ApplicationException("Sampling of procedure " + procedureDef.ProcedureName + " yielded no schema.");
}
foreach (DataRow row in tableSchema.Rows)
{
/* IsIdentity */
/*
* int columnSize = (int)row["ColumnSize"];
* string sqlTypeCode =
* bool isReadOnly = (bool)row["IsReadOnly"];
* bool isPrimaryKey = (bool)row["IsKey"];
* bool isAutoIncrement = (bool)row["IsAutoIncrement"];
*/
string fieldName = row["ColumnName"].ToString();
/* TODO: on views, these BaseTableName and BaseColumnName are for the view, not the source table like we get for MSSQL2012 */
string baseTableName = row["BaseTableName"].ToString();
string baseColumnName = row["BaseColumnName"].ToString();
bool isNullable = (bool)row["AllowDBNull"];
string dataTypeCode = TypeConvertor.ConvertCLRToVernacular(row["DataType"].ToString());
FieldDef fieldDef = new FieldDef {
FieldName = fieldName,
ProcedureDef = procedureDef,
DataTypeCode = dataTypeCode,
IsNullable = isNullable,
BaseTableName = baseTableName,
BaseColumnName = baseColumnName
};
procedureDef.FieldDefMap[fieldDef.FieldName] = fieldDef;
}
}
}
}
