You've already forked linux-packaging-mono
Imported Upstream version 4.2.0.179
Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479
This commit is contained in:
Xamarin Public Jenkins
committed by
Jo Shields
Jo Shields
parent
aa7da660d6
commit
c042cd0c52
@@ -33,6 +33,7 @@
|
||||
//
|
||||
|
||||
using System;
|
||||
using System.Collections;
|
||||
using System.ComponentModel;
|
||||
using System.Data;
|
||||
using System.Data.Common;
|
||||
@@ -44,6 +45,299 @@ namespace System.Data.SqlClient {
|
||||
|
||||
public sealed class SqlDataAdapter : DbDataAdapter, IDbDataAdapter, IDataAdapter, ICloneable
|
||||
{
|
||||
|
||||
#region Copy from old DataColumn
|
||||
internal static bool CanAutoIncrement (Type type)
|
||||
{
|
||||
switch (Type.GetTypeCode (type)) {
|
||||
case TypeCode.Int16:
|
||||
case TypeCode.Int32:
|
||||
case TypeCode.Int64:
|
||||
case TypeCode.Decimal:
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region Copy from old DataAdapter
|
||||
|
||||
private const string DefaultSourceColumnName = "Column";
|
||||
|
||||
internal FillErrorEventArgs CreateFillErrorEvent (DataTable dataTable, object[] values, Exception e)
|
||||
{
|
||||
FillErrorEventArgs args = new FillErrorEventArgs (dataTable, values);
|
||||
args.Errors = e;
|
||||
args.Continue = false;
|
||||
return args;
|
||||
}
|
||||
|
||||
internal void OnFillErrorInternal (FillErrorEventArgs value)
|
||||
{
|
||||
OnFillError (value);
|
||||
}
|
||||
|
||||
// this method builds the schema for a given datatable. it returns a int array with
|
||||
// "array[ordinal of datatable column] == index of source column in data reader".
|
||||
// each column in the datatable has a mapping to a specific column in the datareader,
|
||||
// the int array represents this match.
|
||||
internal int[] BuildSchema (IDataReader reader, DataTable table, SchemaType schemaType)
|
||||
{
|
||||
return BuildSchema (reader, table, schemaType, MissingSchemaAction,
|
||||
MissingMappingAction, TableMappings);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates or Modifies the schema of the given DataTable based on the schema of
|
||||
/// the reader and the arguments passed.
|
||||
/// </summary>
|
||||
internal static int[] BuildSchema (IDataReader reader, DataTable table,
|
||||
SchemaType schemaType,
|
||||
MissingSchemaAction missingSchAction,
|
||||
MissingMappingAction missingMapAction,
|
||||
DataTableMappingCollection dtMapping
|
||||
)
|
||||
{
|
||||
int readerIndex = 0;
|
||||
// FIXME : this fails if query has fewer columns than a table
|
||||
int[] mapping = new int[table.Columns.Count]; // mapping the reader indexes to the datatable indexes
|
||||
|
||||
for(int i=0; i < mapping.Length; i++) {
|
||||
mapping[i] = -1;
|
||||
}
|
||||
|
||||
ArrayList primaryKey = new ArrayList ();
|
||||
ArrayList sourceColumns = new ArrayList ();
|
||||
bool createPrimaryKey = true;
|
||||
|
||||
DataTable schemaTable = reader.GetSchemaTable ();
|
||||
|
||||
DataColumn ColumnNameCol = schemaTable.Columns["ColumnName"];
|
||||
DataColumn DataTypeCol = schemaTable.Columns["DataType"];
|
||||
DataColumn IsAutoIncrementCol = schemaTable.Columns["IsAutoIncrement"];
|
||||
DataColumn AllowDBNullCol = schemaTable.Columns["AllowDBNull"];
|
||||
DataColumn IsReadOnlyCol = schemaTable.Columns["IsReadOnly"];
|
||||
DataColumn IsKeyCol = schemaTable.Columns["IsKey"];
|
||||
DataColumn IsUniqueCol = schemaTable.Columns["IsUnique"];
|
||||
DataColumn ColumnSizeCol = schemaTable.Columns["ColumnSize"];
|
||||
|
||||
foreach (DataRow schemaRow in schemaTable.Rows) {
|
||||
// generate a unique column name in the source table.
|
||||
string sourceColumnName;
|
||||
string realSourceColumnName ;
|
||||
if (ColumnNameCol == null || schemaRow.IsNull(ColumnNameCol) ||
|
||||
(string)schemaRow [ColumnNameCol] == String.Empty) {
|
||||
sourceColumnName = DefaultSourceColumnName;
|
||||
realSourceColumnName = DefaultSourceColumnName + "1";
|
||||
} else {
|
||||
sourceColumnName = (string) schemaRow [ColumnNameCol];
|
||||
realSourceColumnName = sourceColumnName;
|
||||
}
|
||||
|
||||
for (int i = 1; sourceColumns.Contains (realSourceColumnName); i += 1)
|
||||
realSourceColumnName = String.Format ("{0}{1}", sourceColumnName, i);
|
||||
sourceColumns.Add(realSourceColumnName);
|
||||
|
||||
// generate DataSetColumnName from DataTableMapping, if any
|
||||
DataTableMapping tableMapping = null;
|
||||
|
||||
//FIXME : The sourcetable name shud get passed as a parameter..
|
||||
int index = dtMapping.IndexOfDataSetTable (table.TableName);
|
||||
string srcTable = (index != -1 ? dtMapping[index].SourceTable : table.TableName);
|
||||
tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction (dtMapping, ADP.IsEmpty (srcTable) ? " " : srcTable, table.TableName, missingMapAction);
|
||||
if (tableMapping != null) {
|
||||
table.TableName = tableMapping.DataSetTable;
|
||||
// check to see if the column mapping exists
|
||||
DataColumnMapping columnMapping = DataColumnMappingCollection.GetColumnMappingBySchemaAction(tableMapping.ColumnMappings, realSourceColumnName, missingMapAction);
|
||||
if (columnMapping != null) {
|
||||
Type columnType = schemaRow[DataTypeCol] as Type;
|
||||
DataColumn col = columnType != null ? columnMapping.GetDataColumnBySchemaAction(
|
||||
table ,
|
||||
columnType,
|
||||
missingSchAction) : null;
|
||||
|
||||
if (col != null) {
|
||||
// if the column is not in the table - add it.
|
||||
if (table.Columns.IndexOf(col) == -1) {
|
||||
if (missingSchAction == MissingSchemaAction.Add
|
||||
|| missingSchAction == MissingSchemaAction.AddWithKey)
|
||||
table.Columns.Add(col);
|
||||
|
||||
int[] tmp = new int[mapping.Length + 1];
|
||||
Array.Copy(mapping,0,tmp,0,col.Ordinal);
|
||||
Array.Copy(mapping,col.Ordinal,tmp,col.Ordinal + 1,mapping.Length - col.Ordinal);
|
||||
mapping = tmp;
|
||||
}
|
||||
|
||||
if (missingSchAction == MissingSchemaAction.AddWithKey) {
|
||||
object value = (AllowDBNullCol != null) ? schemaRow[AllowDBNullCol] : null;
|
||||
bool allowDBNull = value is bool ? (bool)value : true;
|
||||
|
||||
value = (IsKeyCol != null) ? schemaRow[IsKeyCol] : null;
|
||||
bool isKey = value is bool ? (bool)value : false;
|
||||
|
||||
value = (IsAutoIncrementCol != null) ? schemaRow[IsAutoIncrementCol] : null;
|
||||
bool isAutoIncrement = value is bool ? (bool)value : false;
|
||||
|
||||
value = (IsReadOnlyCol != null) ? schemaRow[IsReadOnlyCol] : null;
|
||||
bool isReadOnly = value is bool ? (bool)value : false;
|
||||
|
||||
value = (IsUniqueCol != null) ? schemaRow[IsUniqueCol] : null;
|
||||
bool isUnique = value is bool ? (bool)value : false;
|
||||
|
||||
col.AllowDBNull = allowDBNull;
|
||||
// fill woth key info
|
||||
if (isAutoIncrement && CanAutoIncrement(columnType)) {
|
||||
col.AutoIncrement = true;
|
||||
if (!allowDBNull)
|
||||
col.AllowDBNull = false;
|
||||
}
|
||||
|
||||
if (columnType == DbTypes.TypeOfString) {
|
||||
col.MaxLength = (ColumnSizeCol != null) ? (int)schemaRow[ColumnSizeCol] : 0;
|
||||
}
|
||||
|
||||
if (isReadOnly)
|
||||
col.ReadOnly = true;
|
||||
|
||||
if (!allowDBNull && (!isReadOnly || isKey))
|
||||
col.AllowDBNull = false;
|
||||
if (isUnique && !isKey && !columnType.IsArray) {
|
||||
col.Unique = true;
|
||||
if (!allowDBNull)
|
||||
col.AllowDBNull = false;
|
||||
}
|
||||
|
||||
// This might not be set by all DataProviders
|
||||
bool isHidden = false;
|
||||
if (schemaTable.Columns.Contains ("IsHidden")) {
|
||||
value = schemaRow["IsHidden"];
|
||||
isHidden = ((value is bool) ? (bool)value : false);
|
||||
}
|
||||
|
||||
if (isKey && !isHidden) {
|
||||
primaryKey.Add (col);
|
||||
if (allowDBNull)
|
||||
createPrimaryKey = false;
|
||||
}
|
||||
}
|
||||
// add the ordinal of the column as a key and the index of the column in the datareader as a value.
|
||||
mapping[col.Ordinal] = readerIndex++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (primaryKey.Count > 0) {
|
||||
DataColumn[] colKey = (DataColumn[])(primaryKey.ToArray(typeof (DataColumn)));
|
||||
if (createPrimaryKey)
|
||||
table.PrimaryKey = colKey;
|
||||
else {
|
||||
UniqueConstraint uConstraint = new UniqueConstraint(colKey);
|
||||
for (int i = 0; i < table.Constraints.Count; i++) {
|
||||
if (table.Constraints[i].Equals(uConstraint)) {
|
||||
uConstraint = null;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (uConstraint != null)
|
||||
table.Constraints.Add(uConstraint);
|
||||
}
|
||||
}
|
||||
return mapping;
|
||||
}
|
||||
|
||||
internal int FillInternal (DataTable dataTable, IDataReader dataReader)
|
||||
{
|
||||
if (dataReader.FieldCount == 0) {
|
||||
dataReader.Close ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int count = 0;
|
||||
|
||||
try {
|
||||
string tableName = SetupSchema (SchemaType.Mapped, dataTable.TableName);
|
||||
if (tableName != null) {
|
||||
dataTable.TableName = tableName;
|
||||
FillTable (dataTable, dataReader, 0, 0, ref count);
|
||||
}
|
||||
} finally {
|
||||
dataReader.Close ();
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
internal bool FillTable (DataTable dataTable, IDataReader dataReader, int startRecord, int maxRecords, ref int counter)
|
||||
{
|
||||
if (dataReader.FieldCount == 0)
|
||||
return false;
|
||||
|
||||
int counterStart = counter;
|
||||
|
||||
int[] mapping = BuildSchema (dataReader, dataTable, SchemaType.Mapped);
|
||||
|
||||
int [] sortedMapping = new int [mapping.Length];
|
||||
int length = sortedMapping.Length;
|
||||
for (int i = 0; i < sortedMapping.Length; i++) {
|
||||
if (mapping [i] >= 0)
|
||||
sortedMapping [mapping [i]] = i;
|
||||
else
|
||||
sortedMapping [--length] = i;
|
||||
}
|
||||
|
||||
for (int i = 0; i < startRecord; i++) {
|
||||
dataReader.Read ();
|
||||
}
|
||||
|
||||
dataTable.BeginLoadData ();
|
||||
object [] values = new object [length];
|
||||
while (dataReader.Read () && (maxRecords == 0 || (counter - counterStart) < maxRecords)) {
|
||||
try {
|
||||
for (int iColumn = 0; iColumn < values.Length; iColumn++)
|
||||
values [iColumn] = dataReader [iColumn];
|
||||
dataTable.LoadDataRow (values, AcceptChangesDuringFill);
|
||||
counter++;
|
||||
}
|
||||
catch (Exception e) {
|
||||
object[] readerArray = new object [dataReader.FieldCount];
|
||||
object[] tableArray = new object [mapping.Length];
|
||||
// we get the values from the datareader
|
||||
dataReader.GetValues (readerArray);
|
||||
// copy from datareader columns to table columns according to given mapping
|
||||
for (int i = 0; i < mapping.Length; i++) {
|
||||
if (mapping [i] >= 0) {
|
||||
tableArray [i] = readerArray [mapping [i]];
|
||||
}
|
||||
}
|
||||
FillErrorEventArgs args = CreateFillErrorEvent (dataTable, tableArray, e);
|
||||
OnFillErrorInternal (args);
|
||||
|
||||
// if args.Continue is not set to true or if a handler is not set, rethrow the error..
|
||||
if(!args.Continue)
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
dataTable.EndLoadData ();
|
||||
return true;
|
||||
}
|
||||
|
||||
internal string SetupSchema (SchemaType schemaType, string sourceTableName)
|
||||
{
|
||||
DataTableMapping tableMapping = null;
|
||||
|
||||
if (schemaType == SchemaType.Mapped) {
|
||||
tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction (TableMappings, sourceTableName, sourceTableName, MissingMappingAction);
|
||||
if (tableMapping != null)
|
||||
return tableMapping.DataSetTable;
|
||||
return null;
|
||||
} else
|
||||
return sourceTableName;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region Fields
|
||||
|
||||
int updateBatchSize;
|
||||
@@ -77,47 +371,19 @@ namespace System.Data.SqlClient {
|
||||
|
||||
[DefaultValue (null)]
|
||||
[EditorAttribute ("Microsoft.VSDesigner.Data.Design.DBCommandEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
|
||||
public new SqlCommand DeleteCommand {
|
||||
get {
|
||||
return (SqlCommand)base.DeleteCommand;
|
||||
}
|
||||
set {
|
||||
base.DeleteCommand = value;
|
||||
}
|
||||
}
|
||||
public new SqlCommand DeleteCommand { get; set; }
|
||||
|
||||
[DefaultValue (null)]
|
||||
[EditorAttribute ("Microsoft.VSDesigner.Data.Design.DBCommandEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
|
||||
public new SqlCommand InsertCommand {
|
||||
get {
|
||||
return (SqlCommand)base.InsertCommand;
|
||||
}
|
||||
set {
|
||||
base.InsertCommand = value;
|
||||
}
|
||||
}
|
||||
public new SqlCommand InsertCommand { get; set; }
|
||||
|
||||
[DefaultValue (null)]
|
||||
[EditorAttribute ("Microsoft.VSDesigner.Data.Design.DBCommandEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
|
||||
public new SqlCommand SelectCommand {
|
||||
get {
|
||||
return (SqlCommand)base.SelectCommand;
|
||||
}
|
||||
set {
|
||||
base.SelectCommand = value;
|
||||
}
|
||||
}
|
||||
public new SqlCommand SelectCommand { get; set; }
|
||||
|
||||
[DefaultValue (null)]
|
||||
[EditorAttribute ("Microsoft.VSDesigner.Data.Design.DBCommandEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
|
||||
public new SqlCommand UpdateCommand {
|
||||
get {
|
||||
return (SqlCommand)base.UpdateCommand;
|
||||
}
|
||||
set {
|
||||
base.UpdateCommand = value;
|
||||
}
|
||||
}
|
||||
public new SqlCommand UpdateCommand { get; set; }
|
||||
|
||||
IDbCommand IDbDataAdapter.SelectCommand {
|
||||
get { return SelectCommand; }
|
||||
|
||||
Reference in New Issue
Block a user