/// <summary>
/// Translates an OleDb data table data to table data.
/// </summary>
/// <param name="dataTable">The datatable containing the data.</param>
/// <returns>The translated data table</returns>
public DataTable TranslateFunctionColumns(DataTable dataTable)
{
DataTable newTable = new DataTable("TableName");
newTable.Columns.Add("ColumnName", typeof(String));
newTable.Columns.Add("ColumnType", typeof(String));
newTable.Columns.Add("ColumnNullable", typeof(Boolean));
newTable.Columns.Add("ColumnOrder", typeof(Int32));
newTable.Columns.Add("Length", typeof(Int64));
newTable.Columns.Add("Precision", typeof(Int64));
newTable.Columns.Add("IsOutParameter", typeof(Boolean));
// For each row founs.
foreach (DataRow row in dataTable.Rows)
{
// Create a new data row.
DataRow rowNew = null;
rowNew = newTable.NewRow();
rowNew["ColumnName"] = row["PARAMETER_NAME"];
rowNew["ColumnType"] = LinqToDataTypes.GetOleDbType(row["DATA_TYPE"].ToString());
rowNew["ColumnNullable"] = row["IS_NULLABLE"];
rowNew["ColumnOrder"] = row["ORDINAL_POSITION"];
rowNew["Length"] = row["CHARACTER_MAXIMUM_LENGTH"];
rowNew["Precision"] = row["NUMERIC_PRECISION"];
rowNew["IsOutParameter"] = (row["PARAMETER_TYPE"].ToString() == "4" ? true : false);
// Add the current row to the table.
newTable.Rows.Add(rowNew);
}
// Return the translated table.
return(newTable);
}
/// <summary>
/// Translates an OleDb data table data to table data.
/// </summary>
/// <param name="dataTable">The datatable containing the data.</param>
/// <param name="dataTableEx">The datatable containing the table data.</param>
/// <returns>The translated data table</returns>
public DataTable TranslateTableReferenceKey(string tableName, string owner, DataTable dataTable, DataTable dataTableEx)
{
DataTable newTable = new DataTable("TableName");
newTable.Columns.Add("TableName", typeof(String));
newTable.Columns.Add("ColumnName", typeof(String));
newTable.Columns.Add("ColumnType", typeof(String));
newTable.Columns.Add("IsNullable", typeof(Boolean));
newTable.Columns.Add("Length", typeof(Int64));
newTable.Columns.Add("Precision", typeof(Int64));
newTable.Columns.Add("ForeignKeyTable", typeof(String));
newTable.Columns.Add("ForeignKeyColumnName", typeof(String));
newTable.Columns.Add("ForeignKeyOwner", typeof(String));
// For each row found.
foreach (DataRow row in dataTable.Rows)
{
if (row["PK_TABLE_NAME"].ToString() == tableName)
{
DataRow columNames = null;
try{
columNames = dataTableEx.Select("COLUMN_NAME = '" + row["FK_COLUMN_NAME"] + "'").First();
}
catch { }
if (columNames == null)
{
columNames = dataTableEx.Select("COLUMN_NAME = '" + row["PK_COLUMN_NAME"] + "'").First();
}
// Create a new data row.
DataRow rowNew = null;
rowNew = newTable.NewRow();
rowNew["TableName"] = row["FK_TABLE_NAME"];
rowNew["ColumnName"] = row["FK_COLUMN_NAME"];
rowNew["ColumnType"] = LinqToDataTypes.GetOleDbType(columNames["DATA_TYPE"].ToString());
rowNew["IsNullable"] = columNames["IS_NULLABLE"];
rowNew["Length"] = columNames["CHARACTER_MAXIMUM_LENGTH"];
rowNew["Precision"] = columNames["NUMERIC_PRECISION"];
rowNew["ForeignKeyTable"] = row["PK_TABLE_NAME"].ToString();
rowNew["ForeignKeyColumnName"] = row["PK_COLUMN_NAME"];
rowNew["ForeignKeyOwner"] = row["PK_TABLE_SCHEMA"];
// Add the current row to the table.
newTable.Rows.Add(rowNew);
}
}
// Return the translated table.
return(newTable);
}
