/// <summary>
/// Initializes a new instance of the <see cref="Column" /> class.
/// </summary>
/// <param name="name">Name of the column.</param>
/// <param name="type">The type.</param>
/// <param name="ordinalPosition">The ordinal position.</param>
/// <param name="columnDefault">The column default.</param>
/// <param name="isNullable">if set to <c>true</c> the column can be set to null.</param>
public Column(string name, SqlType type, int ordinalPosition, string columnDefault, bool isNullable)
{
// Populate member variables
// A lot of the varibales here are duplicated from the tables class. maybe these columns should just be properties of the tables?
this.Name = name;
this.DataType = type;
this.OrdinalPosition = ordinalPosition;
this.ColumnDefault = columnDefault;
this.IsNullable = isNullable;
}
/// <summary>
/// Initializes a new instance of the <see cref="Routine"/> class.
/// </summary>
/// <param name="catalog">The catalog.</param>
/// <param name="schema">The schema.</param>
/// <param name="name">The name.</param>
/// <param name="routineType">Type of the routine.</param>
/// <param name="returnType">Type of the return.</param>
/// <param name="definition">The definition.</param>
/// <param name="created">The created.</param>
/// <param name="lastAltered">The last altered.</param>
public Routine(string catalog, string schema, string name, RoutineType routineType, SqlType returnType, string definition, DateTime created, DateTime lastAltered)
{
this.Catalog = catalog;
this.Schema = schema;
this.Name = name;
this.RoutineType = routineType;
this.ReturnType = returnType;
this.Definition = definition;
this.Created = created;
this.LastAltered = lastAltered;
this.parameters = new Collection<RoutineParameter>();
}
/// <summary>
/// Loads the columns from the database for a specific table.
/// </summary>
/// <param name="table">The table.</param>
/// <param name="dataProvider">The data provider.</param>
/// <exception cref="System.ArgumentNullException">
/// table;table cannot be null
/// or
/// dataProvider;dataProvider cannot be null
/// </exception>
public static void PopulateColumns(Table table, IObjectDataProvider dataProvider)
{
if (table == null)
{
throw new ArgumentNullException("table", "table cannot be null");
}
if (dataProvider == null)
{
throw new ArgumentNullException("dataProvider", "dataProvider cannot be null");
}
using (IDataReader result = dataProvider.LoadColumnDataForTable(table))
{
while (result.Read())
{
// Read the result data
string name = (string)result["COLUMN_NAME"];
int ordinalPosition = (int)result["ORDINAL_POSITION"];
string columnDefault = result.GetNullableString("COLUMN_DEFAULT");
bool isNullable = ((string)result["IS_NULLABLE"]).Equals("NO") ? false : true;
// Read the result data for the routine's return type
string dataType = (string)result["DATA_TYPE"];
int? characterMaximumLength = result.GetNullable<int>("CHARACTER_MAXIMUM_LENGTH");
int? numericPrecision = result.GetNullable<int>("NUMERIC_PRECISION");
int? numericPrecisionRadix = result.GetNullable<int>("NUMERIC_PRECISION_RADIX");
int? numericScale = result.GetNullable<int>("NUMERIC_SCALE");
int? dateTimePrecision = result.GetNullable<int>("DATETIME_PRECISION");
string characterSetName = result.GetNullableString("CHARACTER_SET_NAME");
string collationName = result.GetNullableString("COLLATION_NAME");
// Build the proper data structure for return type
SqlType type = new SqlType(dataType, characterMaximumLength, characterSetName, collationName, numericPrecision, numericPrecisionRadix, numericScale, dateTimePrecision);
// Build the new column
table.Columns.Add(new Column(name, type, ordinalPosition, columnDefault, isNullable));
}
}
}
/// <summary>
/// Loads the routines from the database.
/// </summary>
/// <param name="dataProvider">The data provider.</param>
/// <returns>
/// The loaded routines.
/// </returns>
/// <exception cref="System.ArgumentNullException">dataProvider;dataProvider cannot be null</exception>
public static Collection<Routine> LoadFromDatabase(IObjectDataProvider dataProvider)
{
Collection<Routine> result = new Collection<Routine>();
if (dataProvider == null)
{
throw new ArgumentNullException("dataProvider", "dataProvider cannot be null");
}
using (IDataReader reader = dataProvider.LoadRoutineData())
{
while (reader.Read())
{
// Read the result data for the routine
string catalog = (string)reader["SPECIFIC_CATALOG"];
string schema = (string)reader["SPECIFIC_SCHEMA"];
string name = (string)reader["SPECIFIC_NAME"];
string routineTypeAsText = (string)reader["ROUTINE_TYPE"];
string definition = (string)reader["ROUTINE_DEFINITION"];
DateTime created = (DateTime)reader["CREATED"];
DateTime lastAltered = (DateTime)reader["LAST_ALTERED"];
// Build the proper data structure for routine type
RoutineType routineType = (RoutineType)Enum.Parse(typeof(RoutineType), routineTypeAsText, true);
// Build the proper data structure for return type
SqlType returnType = null;
if (!reader.IsDBNull("DATA_TYPE"))
{
// Read the result data for the routine's return type
string dataType = (string)reader["DATA_TYPE"];
int? characterMaximumLength = reader.GetNullable<int>("CHARACTER_MAXIMUM_LENGTH");
int? numericPrecision = reader.GetNullable<int>("NUMERIC_PRECISION");
int? numericPrecisionRadix = reader.GetNullable<int>("NUMERIC_PRECISION_RADIX");
int? numericScale = reader.GetNullable<int>("NUMERIC_SCALE");
int? dateTimePrecision = reader.GetNullable<int>("DATETIME_PRECISION");
string characterSetName = reader.GetNullableString("CHARACTER_SET_NAME");
string collationName = reader.GetNullableString("COLLATION_NAME");
returnType = new SqlType(dataType, characterMaximumLength, characterSetName, collationName, numericPrecision, numericPrecisionRadix, numericScale, dateTimePrecision);
}
// Build the new routine
Routine routine = new Routine(catalog, schema, name, routineType, returnType, definition, created, lastAltered);
result.Add(routine);
}
}
// Populate parameters
foreach (Routine routine in result)
{
RoutineParameter.PopulateParameters(routine, dataProvider);
}
return result;
}
