private Column ResolveColumnReference(Table table, Column column)
{
ColumnReference columnRef = column as ColumnReference;
if (columnRef == null)
{
return column;
}
var result = table.Columns.SingleOrDefault(c => c.Name == columnRef.Name);
if (result == null)
{
throw new TaupoInvalidOperationException("The column '" + columnRef.Name + "' was not found in '" + table + "'");
}
return result;
}
/// <summary>
/// Adds new <see cref="Column"/> to the table.
/// </summary>
/// <param name="column">Column to add.</param>
public void Add(Column column)
{
this.Columns.Add(column);
}
/// <summary>
/// Gets the ordinal of the specified column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>Zero-based ordinal of the specified column.</returns>
/// <remarks>This function throws if the column was not found.</remarks>
public int GetColumnOrdinal(Column column)
{
int ordinal;
if (!this.TableType.TryGetColumnOrdinal(column, out ordinal))
{
throw new TaupoInvalidOperationException("Column '" + column.Name + "' not found in " + this);
}
return ordinal;
}
private DataType ConvertToDatabaseType(DataType dataType)
{
DataType databaseType = null;
var primitiveReturnType = dataType as PrimitiveDataType;
if (primitiveReturnType != null)
{
databaseType = primitiveReturnType.Clone();
}
else
{
var collectionReturnType = dataType as CollectionDataType;
ExceptionUtilities.CheckObjectNotNull(collectionReturnType, "Unsupported data type: '{0}'. Only primitive data types and collection of rows can be converted to a database type.", dataType);
var rowDataType = collectionReturnType.ElementDataType as RowDataType;
ExceptionUtilities.CheckObjectNotNull(rowDataType, "Unsupported collection's element data type: '{0}'. Only row data type is supported as element data type of a collection when converting to a database type.", collectionReturnType.ElementDataType);
TableDataType table = new TableDataType();
foreach (var property in rowDataType.Definition.Properties)
{
var primitivePropertyType = property.PropertyType as PrimitiveDataType;
ExceptionUtilities.CheckObjectNotNull(primitivePropertyType, "Unsupported property's data type: '{0}'. Only primitive data types are supported.", property.PropertyType);
var column = new Column(property.Name, primitivePropertyType);
this.ApplyDataGeneratorAnnotationToStoreItem(column, property);
table.Columns.Add(column);
}
databaseType = table;
}
return databaseType;
}
private Column ConvertPropertyToColumn(MemberProperty prop)
{
Column column = new Column(prop.Name, prop.PropertyType);
if (prop.Annotations.OfType<StoreGeneratedPatternAnnotation>().Where(a => a == StoreGeneratedPatternAnnotation.Identity).Any())
{
column.Annotations.Add(new IdentityColumnAnnotation());
}
if (prop.Annotations.OfType<StoreGeneratedPatternAnnotation>().Where(a => a == StoreGeneratedPatternAnnotation.Computed).Any())
{
column.Annotations.Add(new ComputedColumnAnnotation());
}
return column;
}
