public override DataTable GetSchemaTable()
{
this.ThrowIfClosed("GetSchemaTable");
if ((this._schemaTable == null) && this.FInResults())
{
DataTable table = new DataTable("SchemaTable")
{
Locale = CultureInfo.InvariantCulture,
MinimumCapacity = this.InternalFieldCount
};
DataColumn column31 = new DataColumn(SchemaTableColumn.ColumnName, typeof(string));
DataColumn column9 = new DataColumn(SchemaTableColumn.ColumnOrdinal, typeof(int));
DataColumn column30 = new DataColumn(SchemaTableColumn.ColumnSize, typeof(int));
DataColumn column29 = new DataColumn(SchemaTableColumn.NumericPrecision, typeof(short));
DataColumn column8 = new DataColumn(SchemaTableColumn.NumericScale, typeof(short));
DataColumn column7 = new DataColumn(SchemaTableColumn.DataType, typeof(Type));
DataColumn column6 = new DataColumn(SchemaTableOptionalColumn.ProviderSpecificDataType, typeof(Type));
DataColumn column28 = new DataColumn(SchemaTableColumn.ProviderType, typeof(int));
DataColumn column27 = new DataColumn(SchemaTableColumn.NonVersionedProviderType, typeof(int));
DataColumn column5 = new DataColumn(SchemaTableColumn.IsLong, typeof(bool));
DataColumn column26 = new DataColumn(SchemaTableColumn.AllowDBNull, typeof(bool));
DataColumn column25 = new DataColumn(SchemaTableOptionalColumn.IsReadOnly, typeof(bool));
DataColumn column4 = new DataColumn(SchemaTableOptionalColumn.IsRowVersion, typeof(bool));
DataColumn column3 = new DataColumn(SchemaTableColumn.IsUnique, typeof(bool));
DataColumn column24 = new DataColumn(SchemaTableColumn.IsKey, typeof(bool));
DataColumn column23 = new DataColumn(SchemaTableOptionalColumn.IsAutoIncrement, typeof(bool));
DataColumn column22 = new DataColumn(SchemaTableOptionalColumn.IsHidden, typeof(bool));
DataColumn column21 = new DataColumn(SchemaTableOptionalColumn.BaseCatalogName, typeof(string));
DataColumn column20 = new DataColumn(SchemaTableColumn.BaseSchemaName, typeof(string));
DataColumn column19 = new DataColumn(SchemaTableColumn.BaseTableName, typeof(string));
DataColumn column2 = new DataColumn(SchemaTableColumn.BaseColumnName, typeof(string));
DataColumn column18 = new DataColumn(SchemaTableOptionalColumn.BaseServerName, typeof(string));
DataColumn column17 = new DataColumn(SchemaTableColumn.IsAliased, typeof(bool));
DataColumn column16 = new DataColumn(SchemaTableColumn.IsExpression, typeof(bool));
DataColumn column15 = new DataColumn("IsIdentity", typeof(bool));
DataColumn column = new DataColumn("DataTypeName", typeof(string));
DataColumn column14 = new DataColumn("UdtAssemblyQualifiedName", typeof(string));
DataColumn column13 = new DataColumn("XmlSchemaCollectionDatabase", typeof(string));
DataColumn column12 = new DataColumn("XmlSchemaCollectionOwningSchema", typeof(string));
DataColumn column11 = new DataColumn("XmlSchemaCollectionName", typeof(string));
DataColumn column10 = new DataColumn("IsColumnSet", typeof(bool));
column9.DefaultValue = 0;
column5.DefaultValue = false;
DataColumnCollection columns = table.Columns;
columns.Add(column31);
columns.Add(column9);
columns.Add(column30);
columns.Add(column29);
columns.Add(column8);
columns.Add(column3);
columns.Add(column24);
columns.Add(column18);
columns.Add(column21);
columns.Add(column2);
columns.Add(column20);
columns.Add(column19);
columns.Add(column7);
columns.Add(column26);
columns.Add(column28);
columns.Add(column17);
columns.Add(column16);
columns.Add(column15);
columns.Add(column23);
columns.Add(column4);
columns.Add(column22);
columns.Add(column5);
columns.Add(column25);
columns.Add(column6);
columns.Add(column);
columns.Add(column13);
columns.Add(column12);
columns.Add(column11);
columns.Add(column14);
columns.Add(column27);
columns.Add(column10);
for (int i = 0; i < this.InternalFieldCount; i++)
{
SmiQueryMetaData data = this._currentMetaData[i];
long maxLength = data.MaxLength;
MetaType metaTypeFromSqlDbType = MetaType.GetMetaTypeFromSqlDbType(data.SqlDbType, data.IsMultiValued);
if (-1L == maxLength)
{
metaTypeFromSqlDbType = MetaType.GetMaxMetaTypeFromMetaType(metaTypeFromSqlDbType);
maxLength = (metaTypeFromSqlDbType.IsSizeInCharacters && !metaTypeFromSqlDbType.IsPlp) ? ((long)0x3fffffff) : ((long)0x7fffffff);
}
DataRow row = table.NewRow();
if (SqlDbType.Decimal == data.SqlDbType)
{
maxLength = 0x11L;
}
else if (SqlDbType.Variant == data.SqlDbType)
{
maxLength = 0x1f49L;
}
row[column31] = data.Name;
row[column9] = i;
row[column30] = maxLength;
row[column28] = (int)data.SqlDbType;
row[column27] = (int)data.SqlDbType;
if (data.SqlDbType != SqlDbType.Udt)
{
row[column7] = metaTypeFromSqlDbType.ClassType;
row[column6] = metaTypeFromSqlDbType.SqlType;
}
else
{
row[column14] = data.Type.AssemblyQualifiedName;
row[column7] = data.Type;
row[column6] = data.Type;
}
byte precision = 0xff;
switch (data.SqlDbType)
{
case SqlDbType.BigInt:
case SqlDbType.DateTime:
case SqlDbType.Decimal:
case SqlDbType.Int:
case SqlDbType.Money:
case SqlDbType.SmallDateTime:
case SqlDbType.SmallInt:
case SqlDbType.SmallMoney:
case SqlDbType.TinyInt:
precision = data.Precision;
break;
case SqlDbType.Float:
precision = 15;
break;
case SqlDbType.Real:
precision = 7;
break;
default:
precision = 0xff;
break;
}
row[column29] = precision;
if (((SqlDbType.Decimal == data.SqlDbType) || (SqlDbType.Time == data.SqlDbType)) || ((SqlDbType.DateTime2 == data.SqlDbType) || (SqlDbType.DateTimeOffset == data.SqlDbType)))
{
row[column8] = data.Scale;
}
else
{
row[column8] = MetaType.GetMetaTypeFromSqlDbType(data.SqlDbType, data.IsMultiValued).Scale;
}
row[column26] = data.AllowsDBNull;
if (!data.IsAliased.IsNull)
{
row[column17] = data.IsAliased.Value;
}
if (!data.IsKey.IsNull)
{
row[column24] = data.IsKey.Value;
}
if (!data.IsHidden.IsNull)
{
row[column22] = data.IsHidden.Value;
}
if (!data.IsExpression.IsNull)
{
row[column16] = data.IsExpression.Value;
}
row[column25] = data.IsReadOnly;
row[column15] = data.IsIdentity;
row[column10] = data.IsColumnSet;
row[column23] = data.IsIdentity;
row[column5] = metaTypeFromSqlDbType.IsLong;
if (SqlDbType.Timestamp == data.SqlDbType)
{
row[column3] = true;
row[column4] = true;
}
else
{
row[column3] = false;
row[column4] = false;
}
if (!ADP.IsEmpty(data.ColumnName))
{
row[column2] = data.ColumnName;
}
else if (!ADP.IsEmpty(data.Name))
{
row[column2] = data.Name;
}
if (!ADP.IsEmpty(data.TableName))
{
row[column19] = data.TableName;
}
if (!ADP.IsEmpty(data.SchemaName))
{
row[column20] = data.SchemaName;
}
if (!ADP.IsEmpty(data.CatalogName))
{
row[column21] = data.CatalogName;
}
if (!ADP.IsEmpty(data.ServerName))
{
row[column18] = data.ServerName;
}
if (SqlDbType.Udt == data.SqlDbType)
{
row[column] = data.TypeSpecificNamePart1 + "." + data.TypeSpecificNamePart2 + "." + data.TypeSpecificNamePart3;
}
else
{
row[column] = metaTypeFromSqlDbType.TypeName;
}
if (SqlDbType.Xml == data.SqlDbType)
{
row[column13] = data.TypeSpecificNamePart1;
row[column12] = data.TypeSpecificNamePart2;
row[column11] = data.TypeSpecificNamePart3;
}
table.Rows.Add(row);
row.AcceptChanges();
}
foreach (DataColumn column32 in columns)
{
column32.ReadOnly = true;
}
this._schemaTable = table;
}
return(this._schemaTable);
}
