/// <summary>
/// See comments in <see cref="UpdateCommand" />.
/// </summary>
internal override long Execute(
Dictionary <int, object> identifierValues,
List <KeyValuePair <PropagatorResult, object> > generatedValues,
IDbCommandInterceptor commandInterceptor)
{
var connection = Translator.Connection;
// configure command to use the connection and transaction for this session
_dbCommand.Transaction = ((null == connection.CurrentTransaction)
? null
: connection.CurrentTransaction.StoreTransaction);
_dbCommand.Connection = connection.StoreConnection;
if (Translator.CommandTimeout.HasValue)
{
_dbCommand.CommandTimeout = Translator.CommandTimeout.Value;
}
SetInputIdentifiers(identifierValues);
// Execute the query
long rowsAffected;
if (null != ResultColumns)
{
// If there are result columns, read the server gen results
rowsAffected = 0;
var members = TypeHelpers.GetAllStructuralMembers(CurrentValues.StructuralType);
using (var reader = _dbCommand.ExecuteReader(CommandBehavior.SequentialAccess))
{
// Retrieve only the first row from the first result set
if (reader.Read())
{
rowsAffected++;
foreach (var resultColumn in ResultColumns
.Select(r => new KeyValuePair <int, PropagatorResult>(GetColumnOrdinal(Translator, reader, r.Key), r.Value))
.OrderBy(r => r.Key)) // order by column ordinal to avoid breaking SequentialAccess readers
{
var columnOrdinal = resultColumn.Key;
var columnType = members[resultColumn.Value.RecordOrdinal].TypeUsage;
object value;
if (Helper.IsSpatialType(columnType) &&
!reader.IsDBNull(columnOrdinal))
{
value = SpatialHelpers.GetSpatialValue(Translator.MetadataWorkspace, reader, columnType, columnOrdinal);
}
else
{
value = reader.GetValue(columnOrdinal);
}
// register for back-propagation
var result = resultColumn.Value;
generatedValues.Add(new KeyValuePair <PropagatorResult, object>(result, value));
// register identifier if it exists
var identifier = result.Identifier;
if (PropagatorResult.NullIdentifier != identifier)
{
identifierValues.Add(identifier, value);
}
}
}
// Consume the current reader (and subsequent result sets) so that any errors
// executing the function can be intercepted
CommandHelper.ConsumeReader(reader);
}
}
else
{
rowsAffected = _dbCommand.ExecuteNonQuery();
}
return(GetRowsAffected(rowsAffected, Translator));
}
// <summary>
// See comments in <see cref="UpdateCommand" />.
// </summary>
internal override long Execute(
Dictionary <int, object> identifierValues,
List <KeyValuePair <PropagatorResult, object> > generatedValues)
{
// Compile command
using (var command = CreateCommand(identifierValues))
{
var connection = Translator.Connection;
// configure command to use the connection and transaction for this session
command.Transaction = ((null == connection.CurrentTransaction)
? null
: connection.CurrentTransaction.StoreTransaction);
command.Connection = connection.StoreConnection;
if (Translator.CommandTimeout.HasValue)
{
command.CommandTimeout = Translator.CommandTimeout.Value;
}
// Execute the query
int rowsAffected;
if (_modificationCommandTree.HasReader)
{
// retrieve server gen results
rowsAffected = 0;
using (var reader = command.ExecuteReader(CommandBehavior.SequentialAccess))
{
if (reader.Read())
{
rowsAffected++;
var members = TypeHelpers.GetAllStructuralMembers(CurrentValues.StructuralType);
for (var ordinal = 0; ordinal < reader.FieldCount; ordinal++)
{
// column name of result corresponds to column name of table
var columnName = reader.GetName(ordinal);
var member = members[columnName];
object value;
if (Helper.IsSpatialType(member.TypeUsage) &&
!reader.IsDBNull(ordinal))
{
value = SpatialHelpers.GetSpatialValue(Translator.MetadataWorkspace, reader, member.TypeUsage, ordinal);
}
else
{
value = reader.GetValue(ordinal);
}
// retrieve result which includes the context for back-propagation
var columnOrdinal = members.IndexOf(member);
var result = CurrentValues.GetMemberValue(columnOrdinal);
// register for back-propagation
generatedValues.Add(new KeyValuePair <PropagatorResult, object>(result, value));
// register identifier if it exists
var identifier = result.Identifier;
if (PropagatorResult.NullIdentifier != identifier)
{
identifierValues.Add(identifier, value);
}
}
}
// Consume the current reader (and subsequent result sets) so that any errors
// executing the command can be intercepted
CommandHelper.ConsumeReader(reader);
}
}
else
{
rowsAffected = command.ExecuteNonQuery();
}
return(rowsAffected);
}
}
internal override long Execute(
Dictionary <int, object> identifierValues,
List <KeyValuePair <PropagatorResult, object> > generatedValues)
{
using (DbCommand command = this.CreateCommand(identifierValues))
{
EntityConnection connection = this.Translator.Connection;
command.Transaction = connection.CurrentTransaction == null ? (DbTransaction)null : connection.CurrentTransaction.StoreTransaction;
command.Connection = connection.StoreConnection;
if (this.Translator.CommandTimeout.HasValue)
{
command.CommandTimeout = this.Translator.CommandTimeout.Value;
}
int num;
if (this._modificationCommandTree.HasReader)
{
num = 0;
using (DbDataReader reader = command.ExecuteReader(CommandBehavior.SequentialAccess))
{
if (reader.Read())
{
++num;
IBaseList <EdmMember> structuralMembers = TypeHelpers.GetAllStructuralMembers((EdmType)this.CurrentValues.StructuralType);
for (int index = 0; index < reader.FieldCount; ++index)
{
string name = reader.GetName(index);
EdmMember edmMember = structuralMembers[name];
object obj = !Helper.IsSpatialType(edmMember.TypeUsage) || reader.IsDBNull(index) ? reader.GetValue(index) : SpatialHelpers.GetSpatialValue(this.Translator.MetadataWorkspace, reader, edmMember.TypeUsage, index);
PropagatorResult memberValue = this.CurrentValues.GetMemberValue(structuralMembers.IndexOf(edmMember));
generatedValues.Add(new KeyValuePair <PropagatorResult, object>(memberValue, obj));
int identifier = memberValue.Identifier;
if (-1 != identifier)
{
identifierValues.Add(identifier, obj);
}
}
}
CommandHelper.ConsumeReader(reader);
}
}
else
{
num = command.ExecuteNonQuery();
}
return((long)num);
}
}
// efects: Executes the current function command in the given transaction and connection context.
// All server-generated values are added to the generatedValues list. If those values are identifiers, they are
// also added to the identifierValues dictionary, which associates proxy identifiers for keys in the session
// with their actual values, permitting fix-up of identifiers across relationships.
internal override long Execute(UpdateTranslator translator, EntityConnection connection, Dictionary <int, object> identifierValues,
List <KeyValuePair <PropagatorResult, object> > generatedValues)
{
// configure command to use the connection and transaction for this session
m_dbCommand.Transaction = ((null != connection.CurrentTransaction) ? connection.CurrentTransaction.StoreTransaction : null);
m_dbCommand.Connection = connection.StoreConnection;
if (translator.CommandTimeout.HasValue)
{
m_dbCommand.CommandTimeout = translator.CommandTimeout.Value;
}
// set all identifier inputs (to support propagation of identifier values across relationship
// boundaries)
if (null != m_inputIdentifiers)
{
foreach (KeyValuePair <int, DbParameter> inputIdentifier in m_inputIdentifiers)
{
object value;
if (identifierValues.TryGetValue(inputIdentifier.Key, out value))
{
// set the actual value for the identifier if it has been produced by some
// other command
inputIdentifier.Value.Value = value;
}
}
}
// Execute the query
long rowsAffected;
if (null != m_resultColumns)
{
// If there are result columns, read the server gen results
rowsAffected = 0;
IBaseList <EdmMember> members = TypeHelpers.GetAllStructuralMembers(this.CurrentValues.StructuralType);
using (DbDataReader reader = m_dbCommand.ExecuteReader(CommandBehavior.SequentialAccess))
{
// Retrieve only the first row from the first result set
if (reader.Read())
{
rowsAffected++;
foreach (var resultColumn in m_resultColumns
.Select(r => new KeyValuePair <int, PropagatorResult>(GetColumnOrdinal(translator, reader, r.Key), r.Value))
.OrderBy(r => r.Key)) // order by column ordinal to avoid breaking SequentialAccess readers
{
int columnOrdinal = resultColumn.Key;
TypeUsage columnType = members[resultColumn.Value.RecordOrdinal].TypeUsage;
object value;
if (Helper.IsSpatialType(columnType) && !reader.IsDBNull(columnOrdinal))
{
value = SpatialHelpers.GetSpatialValue(translator.MetadataWorkspace, reader, columnType, columnOrdinal);
}
else
{
value = reader.GetValue(columnOrdinal);
}
// register for back-propagation
PropagatorResult result = resultColumn.Value;
generatedValues.Add(new KeyValuePair <PropagatorResult, object>(result, value));
// register identifier if it exists
int identifier = result.Identifier;
if (PropagatorResult.NullIdentifier != identifier)
{
identifierValues.Add(identifier, value);
}
}
}
// Consume the current reader (and subsequent result sets) so that any errors
// executing the function can be intercepted
CommandHelper.ConsumeReader(reader);
}
}
else
{
rowsAffected = m_dbCommand.ExecuteNonQuery();
}
// if an explicit rows affected parameter exists, use this value instead
if (null != m_rowsAffectedParameter)
{
// by design, negative row counts indicate failure iff. an explicit rows
// affected parameter is used
if (DBNull.Value.Equals(m_rowsAffectedParameter.Value))
{
rowsAffected = 0;
}
else
{
try
{
rowsAffected = Convert.ToInt64(m_rowsAffectedParameter.Value, CultureInfo.InvariantCulture);
}
catch (Exception e)
{
if (UpdateTranslator.RequiresContext(e))
{
// wrap the exception
throw EntityUtil.Update(System.Data.Entity.Strings.Update_UnableToConvertRowsAffectedParameterToInt32(
m_rowsAffectedParameter.ParameterName, typeof(int).FullName), e, this.GetStateEntries(translator));
}
throw;
}
}
}
return(rowsAffected);
}
