private string GetFacetString(EdmProperty column)
{
StringBuilder sql = new StringBuilder();
Facet facet;
ReadOnlyMetadataCollection<Facet> facets = column.TypeUsage.Facets;
if (column.TypeUsage.EdmType.BaseType.Name == "String")
{
if (facets.TryGetValue("MaxLength", true, out facet))
sql.AppendFormat(" ({0})", facet.Value);
}
if (facets.TryGetValue("Nullable", true, out facet) && (bool)facet.Value == false)
sql.Append(" NOT NULL");
if (facets.TryGetValue("StoreGeneratedPattern", true, out facet) && facet.Value.Equals(StoreGeneratedPattern.Identity))
sql.Append(" AUTO_INCREMENT PRIMARY KEY");
return sql.ToString();
}
internal override int GetOrdinalforCLayerName(string name, StateManagerTypeMetadata metadata)
{
ReadOnlyMetadataCollection <AssociationEndMember> associationEndMembers = this._relationshipWrapper.AssociationEndMembers;
AssociationEndMember associationEndMember;
if (associationEndMembers.TryGetValue(name, false, out associationEndMember))
{
return(associationEndMembers.IndexOf(associationEndMember));
}
return(-1);
}
private string GetFacetString(EdmProperty column, bool IsKeyMember)
{
StringBuilder sql = new StringBuilder();
Facet facet;
Facet fcDateTimePrecision = null;
ReadOnlyMetadataCollection <Facet> facets = column.TypeUsage.Facets;
if (column.TypeUsage.EdmType.BaseType.Name == "String")
{
// types tinytext, mediumtext, text & longtext don't have a length.
if (!column.TypeUsage.EdmType.Name.EndsWith("text", StringComparison.OrdinalIgnoreCase))
{
if (facets.TryGetValue("MaxLength", true, out facet))
{
sql.AppendFormat(" ({0})", facet.Value);
}
}
}
else if (column.TypeUsage.EdmType.BaseType.Name == "Decimal")
{
Facet fcScale;
Facet fcPrecision;
if (facets.TryGetValue("Scale", true, out fcScale) && facets.TryGetValue("Precision", true, out fcPrecision))
{
// Enforce scale to a reasonable value.
int scale = fcScale.Value == null ? 0 : ( int )( byte )fcScale.Value;
if (scale == 0)
{
scale = MySqlProviderManifest.DEFAULT_DECIMAL_SCALE;
}
sql.AppendFormat("( {0}, {1} ) ", fcPrecision.Value, scale);
}
}
else if (column.TypeUsage.EdmType.BaseType.Name == "DateTime")
{
if (serverVersion >= new Version(5, 6) && facets.TryGetValue("Precision", true, out fcDateTimePrecision))
{
if (Convert.ToByte(fcDateTimePrecision.Value) >= 1)
{
sql.AppendFormat("( {0} ) ", fcDateTimePrecision.Value);
}
}
}
if (facets.TryGetValue("Nullable", true, out facet) && (bool)facet.Value == false)
{
sql.Append(" NOT NULL");
}
if (facets.TryGetValue("StoreGeneratedPattern", true, out facet))
{
if (facet.Value.Equals(StoreGeneratedPattern.Identity))
{
if (column.TypeUsage.EdmType.BaseType.Name.StartsWith("Int"))
{
sql.Append(" AUTO_INCREMENT UNIQUE");
}
else if (column.TypeUsage.EdmType.BaseType.Name == "Guid")
{
_guidIdentityColumns.Add(column.Name);
}
else if (serverVersion >= new Version(5, 6) && column.TypeUsage.EdmType.BaseType.Name == "DateTime")
{
sql.AppendFormat(" DEFAULT CURRENT_TIMESTAMP{0}", fcDateTimePrecision != null && Convert.ToByte(fcDateTimePrecision.Value) >= 1 ? "( " + fcDateTimePrecision.Value.ToString() + " )" : "");
}
else
{
throw new MySqlException("Invalid identity column type.");
}
}
}
return(sql.ToString());
}
public override TypeUsage GetStoreType(TypeUsage edmType)
{
if (edmType == null)
{
throw new ArgumentNullException("edmType");
}
System.Diagnostics.Debug.Assert(edmType.EdmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType);
PrimitiveType primitiveType = edmType.EdmType as PrimitiveType;
if (primitiveType == null)
{
throw new ArgumentException(String.Format("The underlying provider does not support the type '{0}'.", edmType));
}
ReadOnlyMetadataCollection <Facet> facets = edmType.Facets;
Facet f;
switch (primitiveType.PrimitiveTypeKind)
{
case PrimitiveTypeKind.Boolean:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["boolean"]));
case PrimitiveTypeKind.Byte:
case PrimitiveTypeKind.Int16:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["smallint"]));
case PrimitiveTypeKind.Int32:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["integer"]));
case PrimitiveTypeKind.Int64:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["bigint"]));
case PrimitiveTypeKind.Double:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["double"]));
case PrimitiveTypeKind.Single:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["float"]));
case PrimitiveTypeKind.Decimal: // decimal, numeric
{
byte precision = 9;
if (facets.TryGetValue("Precision", false, out f) && !f.IsUnbounded && f.Value != null)
{
precision = (byte)f.Value;
}
byte scale = 0;
if (facets.TryGetValue("Scale", false, out f) && !f.IsUnbounded && f.Value != null)
{
scale = (byte)f.Value;
}
return(TypeUsage.CreateDecimalTypeUsage(StoreTypeNameToStorePrimitiveType["decimal"], precision, scale));
}
case PrimitiveTypeKind.String: // char, varchar, text blob
{
bool isUnicode = true;
if (facets.TryGetValue("Unicode", false, out f) && !f.IsUnbounded && f.Value != null)
{
isUnicode = (bool)f.Value;
}
bool isFixedLength = true;
if (facets.TryGetValue("FixedLength", false, out f) && !f.IsUnbounded && f.Value != null)
{
isFixedLength = (bool)f.Value;
}
int maxLength = Int32.MinValue;
if (facets.TryGetValue("MaxLength", false, out f) && !f.IsUnbounded && f.Value != null)
{
maxLength = (int)f.Value;
}
PrimitiveType storePrimitiveType = StoreTypeNameToStorePrimitiveType[isFixedLength ? "char" : "varchar"];
if (maxLength != Int32.MinValue)
{
return(TypeUsage.CreateStringTypeUsage(storePrimitiveType, isUnicode, isFixedLength, maxLength));
}
return(TypeUsage.CreateStringTypeUsage(storePrimitiveType, isUnicode, isFixedLength));
}
case PrimitiveTypeKind.DateTime: // datetime, date
{
byte precision = 4;
if (facets.TryGetValue("Precision", false, out f) && !f.IsUnbounded && f.Value != null)
{
precision = (byte)f.Value;
}
bool useTimestamp = (precision != 0);
return(TypeUsage.CreateDefaultTypeUsage(useTimestamp ? StoreTypeNameToStorePrimitiveType["datetime"] : StoreTypeNameToStorePrimitiveType["date"]));
}
case PrimitiveTypeKind.Time:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["time"]));
case PrimitiveTypeKind.Binary: // blob
{
bool isFixedLength = true;
if (facets.TryGetValue("FixedLength", false, out f) && !f.IsUnbounded && f.Value != null)
{
isFixedLength = (bool)f.Value;
}
int maxLength = Int32.MinValue;
if (facets.TryGetValue("MaxLength", false, out f) && !f.IsUnbounded && f.Value != null)
{
maxLength = (int)f.Value;
}
PrimitiveType storePrimitiveType = StoreTypeNameToStorePrimitiveType["binary"];
if (maxLength != Int32.MinValue)
{
return(TypeUsage.CreateBinaryTypeUsage(storePrimitiveType, isFixedLength, maxLength));
}
return(TypeUsage.CreateBinaryTypeUsage(storePrimitiveType, isFixedLength));
}
case PrimitiveTypeKind.Guid:
return(TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["guid_char"]));
default:
throw new NotSupportedException(string.Format("There is no store type corresponding to the EDM type '{0}' of primitive type '{1}'.", edmType, primitiveType.PrimitiveTypeKind));
}
}
