本文整理汇总了C#中MissingSchemaAction类的典型用法代码示例。如果您正苦于以下问题：C# MissingSchemaAction类的具体用法？C# MissingSchemaAction怎么用？C# MissingSchemaAction使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
MissingSchemaAction类属于命名空间，在下文中一共展示了MissingSchemaAction类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: Merge
internal static void Merge(DataSet targetSet, DataRow[] sourceRows, bool preserveChanges, MissingSchemaAction missingSchemaAction)
{
if(targetSet == null)
throw new ArgumentNullException("targetSet");
if(sourceRows == null)
throw new ArgumentNullException("sourceRows");
bool savedEnfoceConstraints = targetSet.EnforceConstraints;
targetSet.EnforceConstraints = false;
ArrayList targetTables = new ArrayList();
for (int i = 0; i < sourceRows.Length; i++) {
DataRow row = sourceRows[i];
DataTable sourceTable = row.Table;
DataTable targetTable = null;
if (!AdjustSchema(targetSet, sourceTable, missingSchemaAction,ref targetTable)) {
return;
}
if (targetTable != null) {
checkColumnTypes(targetTable, row.Table);
MergeRow(targetTable, row, preserveChanges);
if (!(targetTables.IndexOf(targetTable) >= 0)) {
targetTables.Add(targetTable);
}
}
}
targetSet.EnforceConstraints = savedEnfoceConstraints;
foreach(DataTable table in targetTables) {
table.ResetIndexes();
}
}
开发者ID:jjenki11，项目名称:blaze-chem-rendering，代码行数:33，代码来源:MergeManager.cs
示例2: GetDataTableBySchemaAction
public DataTable GetDataTableBySchemaAction(DataSet dataSet, MissingSchemaAction schemaAction)
{
if (dataSet == null)
{
throw ADP.ArgumentNull("dataSet");
}
string dataSetTable = this.DataSetTable;
if (ADP.IsEmpty(dataSetTable))
{
return null;
}
DataTableCollection tables = dataSet.Tables;
int index = tables.IndexOf(dataSetTable);
if ((0 <= index) && (index < tables.Count))
{
return tables[index];
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
return new DataTable(dataSetTable);
case MissingSchemaAction.Ignore:
return null;
case MissingSchemaAction.Error:
throw ADP.MissingTableSchema(dataSetTable, this.SourceTable);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:31，代码来源:DataTableMapping.cs
示例3: DataAdapter
protected DataAdapter ()
{
acceptChangesDuringFill = true;
continueUpdateOnError = false;
missingMappingAction = MissingMappingAction.Passthrough;
missingSchemaAction = MissingSchemaAction.Add;
tableMappings = new DataTableMappingCollection ();
}
开发者ID:jjenki11，项目名称:blaze-chem-rendering，代码行数:8，代码来源:DataAdapter.cs
示例4: GetDataColumnBySchemaAction
public static DataColumn GetDataColumnBySchemaAction(string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (null == dataTable)
{
throw ADP.ArgumentNull(nameof(dataTable));
}
if (string.IsNullOrEmpty(dataSetColumn))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("explicit filtering of SourceColumn \"" + sourceColumn + "\"");
}
#endif
return null;
}
DataColumnCollection columns = dataTable.Columns;
Debug.Assert(null != columns, "GetDataColumnBySchemaAction: unexpected null DataColumnCollection");
int index = columns.IndexOf(dataSetColumn);
if ((0 <= index) && (index < columns.Count))
{
DataColumn dataColumn = columns[index];
Debug.Assert(null != dataColumn, "GetDataColumnBySchemaAction: unexpected null dataColumn");
if (!string.IsNullOrEmpty(dataColumn.Expression))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceError)
{
Debug.WriteLine("schema mismatch on DataColumn \"" + dataSetColumn + "\" which is a computed column");
}
#endif
throw ADP.ColumnSchemaExpression(sourceColumn, dataSetColumn);
}
if ((null == dataType) || (dataType.IsArray == dataColumn.DataType.IsArray))
{
#if DEBUG
if (AdapterSwitches.DataSchema.TraceInfo)
{
Debug.WriteLine("schema match on DataColumn \"" + dataSetColumn + "\"");
}
#endif
return dataColumn;
}
#if DEBUG
if (AdapterSwitches.DataSchema.TraceWarning)
{
Debug.WriteLine("schema mismatch on DataColumn \"" + dataSetColumn + "\" " + dataType.Name + " != " + dataColumn.DataType.Name);
}
#endif
throw ADP.ColumnSchemaMismatch(sourceColumn, dataType, dataColumn);
}
return CreateDataColumnBySchemaAction(sourceColumn, dataSetColumn, dataTable, dataType, schemaAction);
}
开发者ID:dotnet，项目名称:corefx，代码行数:56，代码来源:DataColumnMapping.cs
示例5: Merger
private bool _IgnoreNSforTableLookup = false; // Everett Behavior : SQL BU DT 370850
internal Merger(DataSet dataSet, bool preserveChanges, MissingSchemaAction missingSchemaAction) {
this.dataSet = dataSet;
this.preserveChanges = preserveChanges;
// map AddWithKey -> Add
if (missingSchemaAction == MissingSchemaAction.AddWithKey)
this.missingSchemaAction = MissingSchemaAction.Add;
else
this.missingSchemaAction = missingSchemaAction;
}
开发者ID:krytht，项目名称:DotNetReferenceSource，代码行数:12，代码来源:Merger.cs
示例6: Merger
private bool _IgnoreNSforTableLookup = false; // Everett Behavior : SQL BU DT 370850
internal Merger(DataSet dataSet, bool preserveChanges, MissingSchemaAction missingSchemaAction)
{
_dataSet = dataSet;
_preserveChanges = preserveChanges;
// map AddWithKey -> Add
_missingSchemaAction = missingSchemaAction == MissingSchemaAction.AddWithKey ?
MissingSchemaAction.Add :
missingSchemaAction;
}
开发者ID:dotnet，项目名称:corefx，代码行数:12，代码来源:Merger.cs
示例7: GetDataColumnBySchemaAction
public DataColumn GetDataColumnBySchemaAction (DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (dataTable.Columns.Contains (dataSetColumn))
return dataTable.Columns [dataSetColumn];
if (schemaAction == MissingSchemaAction.Ignore)
return null;
if (schemaAction == MissingSchemaAction.Error)
throw new InvalidOperationException (String.Format ("Missing the DataColumn '{0}' in the DataTable '{1}' for the SourceColumn '{2}'", DataSetColumn, dataTable.TableName, SourceColumn));
return new DataColumn (dataSetColumn, dataType);
}
开发者ID:jjenki11，项目名称:blaze-chem-rendering，代码行数:10，代码来源:DataColumnMapping.cs
示例8: DataAdapter
protected DataAdapter ()
{
acceptChangesDuringFill = true;
continueUpdateOnError = false;
missingMappingAction = MissingMappingAction.Passthrough;
missingSchemaAction = MissingSchemaAction.Add;
tableMappings = new DataTableMappingCollection ();
acceptChangesDuringUpdate = true;
fillLoadOption = LoadOption.OverwriteChanges;
returnProviderSpecificTypes = false;
}
开发者ID:shana，项目名称:mono，代码行数:11，代码来源:DataAdapter.cs
示例9: Merge
internal static void Merge(DataSet targetSet, DataTable sourceTable, bool preserveChanges, MissingSchemaAction missingSchemaAction)
{
if(targetSet == null)
throw new ArgumentNullException("targetSet");
if(sourceTable == null)
throw new ArgumentNullException("sourceTable");
if (sourceTable.DataSet == targetSet)
return;
bool savedEnfoceConstraints = targetSet.EnforceConstraints;
targetSet.EnforceConstraints = false;
DataTable targetTable = null;
if (!AdjustSchema(targetSet, sourceTable, missingSchemaAction,ref targetTable))
return;
if (targetTable != null)
fillData(targetTable, sourceTable, preserveChanges);
targetSet.EnforceConstraints = savedEnfoceConstraints;
}
开发者ID:calumjiao，项目名称:Mono-Class-Libraries，代码行数:19，代码来源:MergeManager.cs
示例10: GetDataColumnBySchemaAction
public static DataColumn GetDataColumnBySchemaAction(string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (dataTable == null)
{
throw ADP.ArgumentNull("dataTable");
}
if (ADP.IsEmpty(dataSetColumn))
{
return null;
}
DataColumnCollection columns = dataTable.Columns;
int index = columns.IndexOf(dataSetColumn);
if ((0 <= index) && (index < columns.Count))
{
DataColumn column = columns[index];
if (!ADP.IsEmpty(column.Expression))
{
throw ADP.ColumnSchemaExpression(sourceColumn, dataSetColumn);
}
if ((null != dataType) && (dataType.IsArray != column.DataType.IsArray))
{
throw ADP.ColumnSchemaMismatch(sourceColumn, dataType, column);
}
return column;
}
switch (schemaAction)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.AddWithKey:
return new DataColumn(dataSetColumn, dataType);
case MissingSchemaAction.Ignore:
return null;
case MissingSchemaAction.Error:
throw ADP.ColumnSchemaMissing(dataSetColumn, dataTable.TableName, sourceColumn);
}
throw ADP.InvalidMissingSchemaAction(schemaAction);
}
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:39，代码来源:DataColumnMapping.cs
示例11: AdjustSchema
// adjust the table schema according to the missingschemaaction param.
// return false if adjusting fails.
private static bool AdjustSchema(DataSet targetSet, DataTable sourceTable, MissingSchemaAction missingSchemaAction, ref DataTable newTable)
{
string tableName = sourceTable.TableName;
// if the source table not exists in the target dataset
// we act according to the missingschemaaction param.
int tmp = targetSet.Tables.IndexOf(tableName);
// we need to check if it is equals names
if (tmp != -1 && !targetSet.Tables[tmp].TableName.Equals(tableName))
tmp = -1;
if (tmp == -1) {
if (missingSchemaAction == MissingSchemaAction.Ignore) {
return true;
}
if (missingSchemaAction == MissingSchemaAction.Error) {
throw new ArgumentException("Target DataSet missing definition for "+ tableName + ".");
}
DataTable cloneTable = (DataTable)sourceTable.Clone();
targetSet.Tables.Add(cloneTable);
tableName = cloneTable.TableName;
}
DataTable table = targetSet.Tables[tableName];
for (int i = 0; i < sourceTable.Columns.Count; i++) {
DataColumn sourceColumn = sourceTable.Columns[i];
// if a column from the source table doesn't exists in the target table
// we act according to the missingschemaaction param.
DataColumn targetColumn = table.Columns[sourceColumn.ColumnName];
if(targetColumn == null) {
if (missingSchemaAction == MissingSchemaAction.Ignore) {
continue;
}
if (missingSchemaAction == MissingSchemaAction.Error) {
throw new ArgumentException(("Column '" + sourceColumn.ColumnName + "' does not belong to table Items."));
}
targetColumn = new DataColumn(sourceColumn.ColumnName, sourceColumn.DataType, sourceColumn.Expression, sourceColumn.ColumnMapping);
table.Columns.Add(targetColumn);
}
if (sourceColumn.Unique) {
try {
targetColumn.Unique = sourceColumn.Unique;
}
catch(Exception e){
// Console.WriteLine("targetColumn : {0} targetTable : {1} ",targetColumn.ColumnName,table.TableName);
foreach(DataRow row in table.Rows) {
// Console.WriteLine(row[targetColumn]);
}
throw e;
}
}
if(sourceColumn.AutoIncrement) {
targetColumn.AutoIncrement = sourceColumn.AutoIncrement;
targetColumn.AutoIncrementSeed = sourceColumn.AutoIncrementSeed;
targetColumn.AutoIncrementStep = sourceColumn.AutoIncrementStep;
}
}
if (!AdjustPrimaryKeys(table, sourceTable)) {
return false;
}
newTable = table;
return true;
}
开发者ID:jjenki11，项目名称:blaze-chem-rendering，代码行数:71，代码来源:MergeManager.cs
示例12: SetupSchemaWithKeyInfo
private object[] SetupSchemaWithKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue) {
// must sort rows from schema table by ordinal because Jet is sorted by coumn name
DbSchemaRow[] schemaRows = DbSchemaRow.GetSortedSchemaRows(_schemaTable, _dataReader.ReturnProviderSpecificTypes); // MDAC 60609
Debug.Assert(null != schemaRows, "SchemaSetup - null DbSchemaRow[]");
Debug.Assert(_dataReader.FieldCount <= schemaRows.Length, "unexpected fewer rows in Schema than FieldCount");
if (0 == schemaRows.Length) {
_dataTable = null;
return (object[])null;
}
// Everett behavior, always add a primary key if a primary key didn't exist before
// Whidbey behavior, same as Everett unless using LoadOption then add primary key only if no columns previously existed
bool addPrimaryKeys = (((0 == _dataTable.PrimaryKey.Length) && ((4 <= (int)_loadOption) || (0 == _dataTable.Rows.Count)))
|| (0 == _dataTable.Columns.Count)); // MDAC 67033
DataColumn[] keys = null;
int keyCount = 0;
bool isPrimary = true; // assume key info (if any) is about a primary key
string keyBaseTable = null;
string commonBaseTable = null;
bool keyFromMultiTable = false;
bool commonFromMultiTable = false;
int[] columnIndexMap = null;
bool[] chapterIndexMap = null;
int mappingCount = 0;
object[] dataValues = null;
List<object> addedItems = null;
DataColumnCollection columnCollection = _dataTable.Columns;
try {
for(int sortedIndex = 0; sortedIndex < schemaRows.Length; ++sortedIndex) {
DbSchemaRow schemaRow = schemaRows[sortedIndex];
int unsortedIndex = schemaRow.UnsortedIndex; // MDAC 67050
bool ischapter = false;
Type fieldType = schemaRow.DataType;
if (null == fieldType) {
fieldType = _dataReader.GetFieldType(sortedIndex);
}
if (null == fieldType) {
throw ADP.MissingDataReaderFieldType(sortedIndex);
}
// if IDataReader, hierarchy exists and we will use an Int32,AutoIncrementColumn in this table
if (typeof(IDataReader).IsAssignableFrom(fieldType)) {
if (null == chapterIndexMap) {
chapterIndexMap = new bool[schemaRows.Length];
}
chapterIndexMap[unsortedIndex] = ischapter = true;
fieldType = typeof(Int32);
}
else if (typeof(System.Data.SqlTypes.SqlXml).IsAssignableFrom(fieldType)) {
if (null == _xmlMap) {
_xmlMap = new int[schemaRows.Length];
}
_xmlMap[sortedIndex] = SqlXml;
}
else if (typeof(System.Xml.XmlReader).IsAssignableFrom(fieldType)) {
fieldType = typeof(String);
if (null == _xmlMap) {
_xmlMap = new int[schemaRows.Length];
}
_xmlMap[sortedIndex] = XmlDocument;
}
DataColumn dataColumn = null;
if (!schemaRow.IsHidden ) {
dataColumn = _tableMapping.GetDataColumn(_fieldNames[sortedIndex], fieldType, _dataTable, mappingAction, schemaAction);
}
string basetable = /*schemaRow.BaseServerName+schemaRow.BaseCatalogName+schemaRow.BaseSchemaName+*/ schemaRow.BaseTableName;
if (null == dataColumn) {
if (null == columnIndexMap) {
columnIndexMap = CreateIndexMap(schemaRows.Length, unsortedIndex);
}
columnIndexMap[unsortedIndex] = -1;
// if the column is not mapped and it is a key, then don't add any key information
if (schemaRow.IsKey) { // MDAC 90822
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: partial primary key detected");
}
#endif
// if the hidden key comes from a different table - don't throw away the primary key
// example SELECT [T2].[ID], [T2].[ProdID], [T2].[VendorName] FROM [Vendor] AS [T2], [Prod] AS [T1] WHERE (([T1].[ProdID] = [T2].[ProdID]))
if (keyFromMultiTable || (schemaRow.BaseTableName == keyBaseTable)) { // WebData 100376
addPrimaryKeys = false; // don't add any future keys now
keys = null; // get rid of any keys we've seen
}
}
continue; // null means ignore (mapped to nothing)
}
else if ((null != _xmlMap) && (0 != _xmlMap[sortedIndex])) {
//.........这里部分代码省略.........
开发者ID:nlh774，项目名称:DotNetReferenceSource，代码行数:101，代码来源:SchemaMapping.cs
示例13: SetupSchemaWithoutKeyInfo
private object[] SetupSchemaWithoutKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue) {
int[] columnIndexMap = null;
bool[] chapterIndexMap = null;
int mappingCount = 0;
int count = _dataReader.FieldCount;
object[] dataValues = null;
List<object> addedItems = null;
try {
DataColumnCollection columnCollection = _dataTable.Columns;
columnCollection.EnsureAdditionalCapacity(count + (chapterValue != null ? 1 : 0));
// We can always just create column if there are no existing column or column mappings, and the mapping action is passthrough
bool alwaysCreateColumns = ((_dataTable.Columns.Count == 0) && ((_tableMapping.ColumnMappings == null) || (_tableMapping.ColumnMappings.Count == 0)) && (mappingAction == MissingMappingAction.Passthrough));
for (int i = 0; i < count; ++i) {
bool ischapter = false;
Type fieldType = _dataReader.GetFieldType(i);
if (null == fieldType) {
throw ADP.MissingDataReaderFieldType(i);
}
// if IDataReader, hierarchy exists and we will use an Int32,AutoIncrementColumn in this table
if (typeof(IDataReader).IsAssignableFrom(fieldType)) {
if (null == chapterIndexMap) {
chapterIndexMap = new bool[count];
}
chapterIndexMap[i] = ischapter = true;
fieldType = typeof(Int32);
}
else if (typeof(System.Data.SqlTypes.SqlXml).IsAssignableFrom(fieldType)) {
if (null == _xmlMap) { // map to DataColumn with DataType=typeof(SqlXml)
_xmlMap = new int[count];
}
_xmlMap[i] = SqlXml; // track its xml data
}
else if (typeof(System.Xml.XmlReader).IsAssignableFrom(fieldType)) {
fieldType = typeof(String); // map to DataColumn with DataType=typeof(string)
if (null == _xmlMap) {
_xmlMap = new int[count];
}
_xmlMap[i] = XmlDocument; // track its xml data
}
DataColumn dataColumn;
if (alwaysCreateColumns) {
dataColumn = DataColumnMapping.CreateDataColumnBySchemaAction(_fieldNames[i], _fieldNames[i], _dataTable, fieldType, schemaAction);
}
else {
dataColumn = _tableMapping.GetDataColumn(_fieldNames[i], fieldType, _dataTable, mappingAction, schemaAction);
}
if (null == dataColumn) {
if (null == columnIndexMap) {
columnIndexMap = CreateIndexMap(count, i);
}
columnIndexMap[i] = -1;
continue; // null means ignore (mapped to nothing)
}
else if ((null != _xmlMap) && (0 != _xmlMap[i])) {
if (typeof(System.Data.SqlTypes.SqlXml) == dataColumn.DataType) {
_xmlMap[i] = SqlXml;
}
else if (typeof(System.Xml.XmlDocument) == dataColumn.DataType) {
_xmlMap[i] = XmlDocument;
}
else {
_xmlMap[i] = 0; // datacolumn is not a specific Xml dataType, i.e. string
int total = 0;
for(int x = 0; x < _xmlMap.Length; ++x) {
total += _xmlMap[x];
}
if (0 == total) { // not mapping to a specific Xml datatype, get rid of the map
_xmlMap = null;
}
}
}
if (null == dataColumn.Table) {
if (ischapter) {
dataColumn.AllowDBNull = false;
dataColumn.AutoIncrement = true;
dataColumn.ReadOnly = true;
}
AddItemToAllowRollback(ref addedItems, dataColumn);
columnCollection.Add(dataColumn);
}
else if (ischapter && !dataColumn.AutoIncrement) {
throw ADP.FillChapterAutoIncrement();
}
if (null != columnIndexMap) {
columnIndexMap[i] = dataColumn.Ordinal;
}
else if (i != dataColumn.Ordinal) {
columnIndexMap = CreateIndexMap(count, i);
//.........这里部分代码省略.........
开发者ID:nlh774，项目名称:DotNetReferenceSource，代码行数:101，代码来源:SchemaMapping.cs
示例14: CreateMergerInvoker
static Object CreateMergerInvoker(DataTable target, bool preserveChanges, MissingSchemaAction action)
{
return null;
}
开发者ID:sridhar19091986，项目名称:sharpmapcf，代码行数:5，代码来源:FeatureMerger.cs
示例15: SetupSchemaWithoutKeyInfo
private object[] SetupSchemaWithoutKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue)
{
int[] numArray = null;
bool[] flagArray = null;
int num3 = 0;
int fieldCount = this._dataReader.FieldCount;
object[] objArray = null;
List<object> items = null;
try
{
DataColumnCollection columnCollection = this._dataTable.Columns;
for (int i = 0; i < fieldCount; i++)
{
bool flag = false;
Type fieldType = this._dataReader.GetFieldType(i);
if (null == fieldType)
{
throw ADP.MissingDataReaderFieldType(i);
}
if (typeof(IDataReader).IsAssignableFrom(fieldType))
{
if (flagArray == null)
{
flagArray = new bool[fieldCount];
}
flagArray[i] = flag = true;
fieldType = typeof(int);
}
else if (typeof(System.Data.SqlTypes.SqlXml).IsAssignableFrom(fieldType))
{
if (this._xmlMap == null)
{
this._xmlMap = new int[fieldCount];
}
this._xmlMap[i] = 1;
}
else if (typeof(XmlReader).IsAssignableFrom(fieldType))
{
fieldType = typeof(string);
if (this._xmlMap == null)
{
this._xmlMap = new int[fieldCount];
}
this._xmlMap[i] = 2;
}
DataColumn column = this._tableMapping.GetDataColumn(this._fieldNames[i], fieldType, this._dataTable, mappingAction, schemaAction);
if (column == null)
{
if (numArray == null)
{
numArray = this.CreateIndexMap(fieldCount, i);
}
numArray[i] = -1;
}
else
{
if ((this._xmlMap != null) && (this._xmlMap[i] != 0))
{
if (typeof(System.Data.SqlTypes.SqlXml) == column.DataType)
{
this._xmlMap[i] = 1;
}
else if (typeof(System.Xml.XmlDocument) == column.DataType)
{
this._xmlMap[i] = 2;
}
else
{
this._xmlMap[i] = 0;
int num5 = 0;
for (int j = 0; j < this._xmlMap.Length; j++)
{
num5 += this._xmlMap[j];
}
if (num5 == 0)
{
this._xmlMap = null;
}
}
}
if (column.Table == null)
{
if (flag)
{
column.AllowDBNull = false;
column.AutoIncrement = true;
column.ReadOnly = true;
}
this.AddItemToAllowRollback(ref items, column);
columnCollection.Add(column);
}
else if (flag && !column.AutoIncrement)
{
throw ADP.FillChapterAutoIncrement();
}
if (numArray != null)
{
numArray[i] = column.Ordinal;
}
else if (i != column.Ordinal)
//.........这里部分代码省略.........
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:101，代码来源:SchemaMapping.cs
示例16: SetupSchemaWithKeyInfo
private object[] SetupSchemaWithKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue)
{
DbSchemaRow[] sortedSchemaRows = DbSchemaRow.GetSortedSchemaRows(this._schemaTable, this._dataReader.ReturnProviderSpecificTypes);
if (sortedSchemaRows.Length == 0)
{
this._dataTable = null;
return null;
}
bool flag = (this._dataTable.PrimaryKey.Length == 0 && this._dataTable.Rows.Count == 0) || 0 == this._dataTable.Columns.Count;
DataColumn[] array = null;
int num = 0;
bool flag2 = true;
string text = null;
string text2 = null;
bool flag3 = false;
bool flag4 = false;
int[] array2 = null;
bool[] array3 = null;
int num2 = 0;
object[] result = null;
List<object> items = null;
DataColumnCollection columns = this._dataTable.Columns;
try
{
for (int i = 0; i < sortedSchemaRows.Length; i++)
{
DbSchemaRow dbSchemaRow = sortedSchemaRows[i];
int unsortedIndex = dbSchemaRow.UnsortedIndex;
bool flag5 = false;
Type type = dbSchemaRow.DataType;
if (null == type)
{
type = this._dataReader.GetFieldType(i);
}
if (null == type)
{
throw new Exception("MissingDataReaderFieldType");
}
if (typeof(IDataReader).IsAssignableFrom(type))
{
if (array3 == null)
{
array3 = new bool[sortedSchemaRows.Length];
}
flag5 = (array3[unsortedIndex] = true);
type = typeof(int);
}
else
{
if (typeof(SqlXml).IsAssignableFrom(type))
{
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlReader).IsAssignableFrom(type))
{
type = typeof(string);
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 2;
}
}
}
DataColumn dataColumn = null;
if (!dbSchemaRow.IsHidden)
{
dataColumn = this._tableMapping.GetDataColumn(this._fieldNames[i], type, this._dataTable, mappingAction, schemaAction);
}
string baseTableName = dbSchemaRow.BaseTableName;
if (dataColumn == null)
{
if (array2 == null)
{
array2 = this.CreateIndexMap(sortedSchemaRows.Length, unsortedIndex);
}
array2[unsortedIndex] = -1;
if (dbSchemaRow.IsKey && (flag3 || dbSchemaRow.BaseTableName == text))
{
flag = false;
array = null;
}
}
else
{
if (this._xmlMap != null && this._xmlMap[i] != 0)
{
if (typeof(SqlXml) == dataColumn.DataType)
{
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlDocument) == dataColumn.DataType)
//.........这里部分代码省略.........
开发者ID:BjkGkh，项目名称:R106，代码行数:101，代码来源:SchemeMap.cs
示例17: SetupSchemaWithoutKeyInfo
private object[] SetupSchemaWithoutKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue)
{
int[] array = null;
bool[] array2 = null;
int num = 0;
int fieldCount = this._dataReader.FieldCount;
object[] result = null;
List<object> items = null;
try
{
DataColumnCollection columns = this._dataTable.Columns;
bool flag = this._dataTable.Columns.Count == 0 && (this._tableMapping.ColumnMappings == null || this._tableMapping.ColumnMappings.Count == 0) && mappingAction == MissingMappingAction.Passthrough;
for (int i = 0; i < fieldCount; i++)
{
bool flag2 = false;
Type type = this._dataReader.GetFieldType(i);
if (null == type)
{
throw new Exception("MissingDataReaderFieldType");
}
if (typeof(IDataReader).IsAssignableFrom(type))
{
if (array2 == null)
{
array2 = new bool[fieldCount];
}
flag2 = (array2[i] = true);
type = typeof(int);
}
else
{
if (typeof(SqlXml).IsAssignableFrom(type))
{
if (this._xmlMap == null)
{
this._xmlMap = new int[fieldCount];
}
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlReader).IsAssignableFrom(type))
{
type = typeof(string);
if (this._xmlMap == null)
{
this._xmlMap = new int[fieldCount];
}
this._xmlMap[i] = 2;
}
}
}
DataColumn dataColumn;
if (flag)
{
dataColumn = CreateDataColumnBySchemaAction(this._fieldNames[i], this._fieldNames[i], this._dataTable, type, schemaAction);
}
else
{
dataColumn = this._tableMapping.GetDataColumn(this._fieldNames[i], type, this._dataTable, mappingAction, schemaAction);
}
if (dataColumn == null)
{
if (array == null)
{
array = this.CreateIndexMap(fieldCount, i);
}
array[i] = -1;
}
else
{
if (this._xmlMap != null && this._xmlMap[i] != 0)
{
if (typeof(SqlXml) == dataColumn.DataType)
{
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlDocument) == dataColumn.DataType)
{
this._xmlMap[i] = 2;
}
else
{
this._xmlMap[i] = 0;
int num2 = 0;
for (int j = 0; j < this._xmlMap.Length; j++)
{
num2 += this._xmlMap[j];
}
if (num2 == 0)
{
this._xmlMap = null;
}
}
}
}
if (dataColumn.Table == null)
{
//.........这里部分代码省略.........
开发者ID:BjkGkh，项目名称:R106，代码行数:101，代码来源:SchemeMap.cs
示例18: Merge
/// <summary>
/// Merge the specified <see cref="T:System.Data.DataTable"/> with the current DataTable, indicating whether to preserve changes and
/// how to handle missing schema in the current DataTable.
/// </summary>
/// <param name="table">
/// The <see cref="T:System.Data.DataTable"/> to be merged with the current <see cref="T:System.Data.DataTable"/>.
/// </param>
/// <param name="preserveChanges">
/// true, to preserve changes in the current <see cref="T:System.Data.DataTable"/>; otherwise false.
/// </param>
/// <param name="missingSchemaAction">
/// One of the <see cref="T:System.Data.MissingSchemaAction"/> values.
/// </param>
public void Merge(DataTable table,
bool preserveChanges,
MissingSchemaAction missingSchemaAction)
{
this.DataTableInstance.Merge(table, preserveChanges, missingSchemaAction);
}
开发者ID:YannBrulhart，项目名称:SystemWrapper-1，代码行数:19，代码来源:DataTableWrap.cs
示例19: IsLegalSchemaAction
private static bool IsLegalSchemaAction (MissingSchemaAction missingSchemaAction)
{
if (missingSchemaAction == MissingSchemaAction.Add || missingSchemaAction == MissingSchemaAction.AddWithKey
|| missingSchemaAction == MissingSchemaAction.Error || missingSchemaAction == MissingSchemaAction.Ignore)
return true;
return false;
}
开发者ID:t-ashula，项目名称:mono，代码行数:7，代码来源:DataSet.cs
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