本文整理汇总了C#中Tiraggo.Interfaces.tgDataRequest类的典型用法代码示例。如果您正苦于以下问题:C# tgDataRequest类的具体用法?C# tgDataRequest怎么用?C# tgDataRequest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。
tgDataRequest类属于Tiraggo.Interfaces命名空间,在下文中一共展示了tgDataRequest类的15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,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: BuildDynamicDeleteCommand
public static OleDbCommand BuildDynamicDeleteCommand(tgDataRequest request, List<string> modifiedColumns)
{
Dictionary<string, OleDbParameter> types = Cache.GetParameters(request);
OleDbCommand cmd = new OleDbCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
string sql = "DELETE FROM " + CreateFullName(request) + " ";
string comma = String.Empty;
comma = String.Empty;
sql += " WHERE ";
foreach (tgColumnMetadata col in request.Columns)
{
if (col.IsInPrimaryKey || col.IsEntitySpacesConcurrency)
{
OleDbParameter p = types[col.Name];
cmd.Parameters.Add(CloneParameter(p));
sql += comma;
sql += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
comma = " AND ";
}
}
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
return cmd;
}
示例2: AddParameters
public static void AddParameters(OracleCommand cmd, tgDataRequest request)
{
if (request.QueryType == tgQueryType.Text && request.QueryText != null && request.QueryText.Contains("{0}"))
{
int i = 0;
string token = String.Empty;
string sIndex = String.Empty;
string param = String.Empty;
foreach (tgParameter esParam in request.Parameters)
{
sIndex = i.ToString();
token = '{' + sIndex + '}';
param = Delimiters.Param + "p" + sIndex;
request.QueryText = request.QueryText.Replace(token, param);
i++;
OracleParameter p = new OracleParameter(Delimiters.Param + esParam.Name, esParam.Value);
cmd.Parameters.Add(p);
}
}
else
{
OracleParameter param;
string paramPrefix = request.QueryType == tgQueryType.StoredProcedure ? String.Empty : Delimiters.Param;
paramPrefix = request.ProviderMetadata.spLoadByPrimaryKey == request.QueryText ? "p" : paramPrefix;
foreach (tgParameter esParam in request.Parameters)
{
param = new OracleParameter(paramPrefix + esParam.Name, esParam.Value);
cmd.Parameters.Add(param);
// The default is ParameterDirection.Input
switch (esParam.Direction)
{
case tgParameterDirection.InputOutput:
param.Direction = ParameterDirection.InputOutput;
break;
case tgParameterDirection.Output:
param.Direction = ParameterDirection.Output;
param.DbType = esParam.DbType;
param.Size = esParam.Size;
// Precision and Scale are obsolete for Oracle
// and are ignored.
//param.Scale = esParam.Scale;
//param.Precision = esParam.Precision;
break;
case tgParameterDirection.ReturnValue:
param.Direction = ParameterDirection.ReturnValue;
break;
}
}
}
}
示例3: esSaveDataTable
/// <summary>
/// Used to issue a Save command on an esEntity or tgEntityCollection.
/// </summary>
/// <param name="request">Contains all of the information necessary to issue and carry out the request</param>
/// <param name="sig">Contains the required information to locate the EntitySpaces DataProvider</param>
/// <returns></returns>
public tgDataResponse esSaveDataTable(tgDataRequest request, tgProviderSignature sig)
{
request.DatabaseVersion = sig.DatabaseVersion;
tgDataResponse response = tgProviderFactory.GetDataProvider(sig.DataProviderName, sig.DataProviderClass).esSaveDataTable(request);
// NOTE: New to 1.6.0. We do not rethrow the exception here, we do rethrow it in
// tgEntityCollection.SaveToProviderInsertsUpdates after we assign the errors to the proper rows.
return response;
}
示例4: PrepareCommand
public static VistaDBCommand PrepareCommand(tgDataRequest request)
{
StandardProviderParameters std = new StandardProviderParameters();
std.cmd = new VistaDBCommand();
std.pindex = NextParamIndex(std.cmd);
std.request = request;
string sql = BuildQuery(std, request.DynamicQuery);
std.cmd.CommandText = sql;
return (VistaDBCommand)std.cmd;
}
示例5: AddParameters
public static void AddParameters(MySqlCommand cmd, tgDataRequest request)
{
if (request.QueryType == tgQueryType.Text && request.QueryText != null && request.QueryText.Contains("{0}"))
{
int i = 0;
string token = String.Empty;
string sIndex = String.Empty;
string param = String.Empty;
foreach (tgParameter esParam in request.Parameters)
{
sIndex = i.ToString();
token = '{' + sIndex + '}';
param = Delimiters.Param + "p" + sIndex;
request.QueryText = request.QueryText.Replace(token, param);
i++;
cmd.Parameters.AddWithValue(Delimiters.Param + esParam.Name, esParam.Value);
}
}
else
{
MySqlParameter param;
string paramPrefix = request.ProviderMetadata.spLoadByPrimaryKey == cmd.CommandText ? Delimiters.Param + "p" : Delimiters.Param;
foreach (tgParameter esParam in request.Parameters)
{
param = cmd.Parameters.AddWithValue(paramPrefix + esParam.Name, esParam.Value);
// The default is ParameterDirection.Input
switch (esParam.Direction)
{
case tgParameterDirection.InputOutput:
param.Direction = ParameterDirection.InputOutput;
break;
case tgParameterDirection.Output:
param.Direction = ParameterDirection.Output;
param.DbType = esParam.DbType;
param.Size = esParam.Size;
param.Scale = esParam.Scale;
param.Precision = esParam.Precision;
break;
case tgParameterDirection.ReturnValue:
param.Direction = ParameterDirection.ReturnValue;
break;
}
}
}
}
示例6: esLoadDataTable
/// <summary>
/// Used to populate an esEntity or tgEntityCollection with data.
/// </summary>
/// <param name="request">Contains all of the information necessary to issue and carry out the request</param>
/// <param name="sig">Contains the required information to locate the EntitySpaces DataProvider</param>
/// <returns></returns>
public tgDataResponse esLoadDataTable(tgDataRequest request, tgProviderSignature sig)
{
request.DatabaseVersion = sig.DatabaseVersion;
tgDataResponse response = tgProviderFactory.GetDataProvider(sig.DataProviderName, sig.DataProviderClass).esLoadDataTable(request);
if(request.DynamicQuery != null)
{
request.DynamicQuery.tg.LastQuery = response.LastQuery;
}
if (response.IsException)
{
throw response.Exception;
}
return response;
}
示例7: CreateFullName
public static string CreateFullName(tgDataRequest request)
{
string name = String.Empty;
name += Delimiters.TableOpen;
if (request.DynamicQuery != null && request.DynamicQuery.tg.QuerySource != null)
name += request.DynamicQuery.tg.QuerySource;
else
name += request.QueryText != null ? request.QueryText : request.ProviderMetadata.Destination;
name += Delimiters.TableClose;
return name;
}
示例8: PopulateStoredProcParameters
public static void PopulateStoredProcParameters(NpgsqlCommand cmd, tgDataRequest request, tgEntitySavePacket packet)
{
Dictionary<string, NpgsqlParameter> types = Cache.GetParameters(request);
NpgsqlParameter p;
foreach (tgColumnMetadata col in request.Columns)
{
p = types[col.Name];
p = CloneParameter(p);
if (packet.CurrentValues.ContainsKey(col.Name))
{
p.Value = packet.CurrentValues[col.Name];
}
if (p.NpgsqlDbType == NpgsqlDbType.Timestamp)
{
p.Direction = ParameterDirection.InputOutput;
}
if (col.IsComputed && col.CharacterMaxLength > 0)
{
p.Size = (int)col.CharacterMaxLength;
}
cmd.Parameters.Add(p);
}
}
示例9: CreateFullSPName
public static string CreateFullSPName(tgDataRequest request, string spName)
{
string name = String.Empty;
if ((request.Catalog != null || request.ProviderMetadata.Catalog != null) &&
(request.Schema != null || request.ProviderMetadata.Schema != null))
{
name += Delimiters.TableOpen;
name += request.Catalog != null ? request.Catalog : request.ProviderMetadata.Catalog;
name += Delimiters.TableClose + ".";
}
if (request.Schema != null || request.ProviderMetadata.Schema != null)
{
name += Delimiters.TableOpen;
name += request.Schema != null ? request.Schema : request.ProviderMetadata.Schema;
name += Delimiters.TableClose + ".";
}
name += Delimiters.StoredProcNameOpen;
name += spName;
name += Delimiters.StoredProcNameClose;
return name;
}
示例10: CreateFullName
public static string CreateFullName(tgDataRequest request, tgDynamicQuerySerializable query)
{
IDynamicQuerySerializableInternal iQuery = query as IDynamicQuerySerializableInternal;
tgProviderSpecificMetadata providerMetadata = iQuery.ProviderMetadata as tgProviderSpecificMetadata;
string name = String.Empty;
string catalog = iQuery.Catalog ?? request.Catalog ?? providerMetadata.Catalog;
string schema = iQuery.Schema ?? request.Schema ?? providerMetadata.Schema;
if (catalog != null && schema != null)
{
name += Delimiters.TableOpen + catalog + Delimiters.TableClose + ".";
}
if (schema != null)
{
name += Delimiters.TableOpen + schema + Delimiters.TableClose + ".";
}
name += Delimiters.TableOpen;
if (query.tg.QuerySource != null)
name += query.tg.QuerySource;
else
name += providerMetadata.Destination;
name += Delimiters.TableClose;
return name;
}
示例11: BuildStoredProcInsertCommand
public static NpgsqlCommand BuildStoredProcInsertCommand(tgDataRequest request, tgEntitySavePacket packet)
{
Dictionary<string, NpgsqlParameter> types = Cache.GetParameters(request);
NpgsqlCommand cmd = new NpgsqlCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = Delimiters.StoredProcNameOpen + request.ProviderMetadata.spInsert + Delimiters.StoredProcNameClose;
PopulateStoredProcParameters(cmd, request, packet);
foreach (tgColumnMetadata col in request.Columns)
{
if (col.HasDefault && col.Default.ToLower().Contains("newid"))
{
NpgsqlParameter p = types[col.Name];
p = cmd.Parameters[p.ParameterName];
p.Direction = ParameterDirection.InputOutput;
}
else if (col.IsComputed || col.IsAutoIncrement)
{
NpgsqlParameter p = types[col.Name];
p = cmd.Parameters[p.ParameterName];
p.Direction = ParameterDirection.Output;
}
}
return cmd;
}
示例12: BuildDynamicUpdateCommand
public static NpgsqlCommand BuildDynamicUpdateCommand(tgDataRequest request, tgEntitySavePacket packet)
{
string where = String.Empty;
string conncur = String.Empty;
string scomma = String.Empty;
string defaults = String.Empty;
string defaultsComma = String.Empty;
string and = String.Empty;
string sql = "UPDATE " + CreateFullName(request) + " SET ";
PropertyCollection props = new PropertyCollection();
NpgsqlParameter p = null;
Dictionary<string, NpgsqlParameter> types = Cache.GetParameters(request);
NpgsqlCommand cmd = new NpgsqlCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
tgColumnMetadataCollection cols = request.Columns;
foreach (tgColumnMetadata col in cols)
{
bool isModified = packet.ModifiedColumns == null ? false : packet.ModifiedColumns.Contains(col.Name);
if (isModified && (!col.IsAutoIncrement && !col.IsConcurrency && !col.IsEntitySpacesConcurrency))
{
p = cmd.Parameters.Add(CloneParameter(types[col.Name]));
object value = packet.CurrentValues[col.Name];
p.Value = value != null ? value : DBNull.Value;
sql += scomma + Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
scomma = ", ";
}
else if (col.IsAutoIncrement)
{
// Nothing to do but leave this here
}
else if (col.IsConcurrency)
{
p = CloneParameter(types[col.Name]);
p.SourceVersion = DataRowVersion.Original;
p.Direction = ParameterDirection.InputOutput;
cmd.Parameters.Add(p);
conncur += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
}
else if (col.IsEntitySpacesConcurrency)
{
p = CloneParameter(types[col.Name]);
p.Value = packet.OriginalValues[col.Name];
p.Direction = ParameterDirection.InputOutput;
cmd.Parameters.Add(p);
sql += scomma;
sql += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName + " + 1";
conncur += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
defaults += defaultsComma + Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose;
defaultsComma = ",";
}
else if (col.IsComputed)
{
// Do nothing but leave this here
}
else if (cols.IsSpecialColumn(col))
{
// Do nothing but leave this here
}
else if (col.HasDefault)
{
// defaults += defaultsComma + Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose;
// defaultsComma = ",";
}
if (col.IsInPrimaryKey)
{
p = CloneParameter(types[col.Name]);
p.Value = packet.OriginalValues[col.Name];
cmd.Parameters.Add(p);
where += and + Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
and = " AND ";
}
}
#region Special Column Logic
if (cols.DateModified != null && cols.DateModified.IsServerSide)
{
p = CloneParameter(types[cols.DateModified.ColumnName]);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
sql += scomma + Delimiters.ColumnOpen + cols.DateModified.ColumnName + Delimiters.ColumnClose + " = " + request.ProviderMetadata["DateModified.ServerSideText"];
scomma = ", ";
defaults += defaultsComma + cols.DateModified.ColumnName;
defaultsComma = ",";
}
//.........这里部分代码省略.........
示例13: BuildDynamicUpdateCommand
//CREATE PROCEDURE "MYGENERATION"."proc_SeqTestUpdate" (
// pID IN "SeqTest"."ID"%type,
// pTimeStamp IN OUT "SeqTest"."TimeStamp"%type,
// pData IN "SeqTest"."Data"%type
//)
//IS
// pConncurrency "SeqTest"."TimeStamp"%type := pTimeStamp;
//BEGIN
// UPDATE "SeqTest"
// SET
// "TimeStamp" = "TimeStamp" + 1,
// "Data" = pData
// WHERE
// "ID" = pID
// AND "TimeStamp" = pConncurrency
//;
// IF SQL%ROWCOUNT = 1 THEN
// pTimeStamp := (pConncurrency + 1);
// ELSE
// Raise_application_error(01403, 'NO RECORDS WERE UPDATED');
// END IF;
//END ;
public static OracleCommand BuildDynamicUpdateCommand(tgDataRequest request, tgEntitySavePacket packet)
{
Dictionary<string, OracleParameter> types = Cache.GetParameters(request);
OracleCommand cmd = new OracleCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
string sql = string.Empty;
bool hasConcurrency = false;
string concurrencyColumn = String.Empty;
List<string> modifiedColumns = packet.ModifiedColumns;
foreach (tgColumnMetadata col in request.Columns)
{
if (col.IsTiraggoConcurrency)
{
hasConcurrency = true;
concurrencyColumn = col.Name;
sql += "DECLARE pConncurrency " + request.ProviderMetadata.GetTypeMap(col.PropertyName).NativeType + "; ";
break;
}
}
OracleParameter p = null;
sql += " BEGIN ";
tgColumnMetadataCollection cols = request.Columns;
if (cols.DateModified != null && cols.DateModified.IsServerSide)
{
p = CloneParameter(types[cols.DateModified.ColumnName]);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
sql += p.ParameterName + " := " + request.ProviderMetadata["DateModified.ServerSideText"] + "; ";
}
if (cols.ModifiedBy != null && cols.ModifiedBy.IsServerSide)
{
p = CloneParameter(types[cols.ModifiedBy.ColumnName]);
p.Size = (int)cols.FindByColumnName(cols.ModifiedBy.ColumnName).CharacterMaxLength;
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
sql += p.ParameterName + " := " + request.ProviderMetadata["ModifiedBy.ServerSideText"] + "; ";
}
if (hasConcurrency)
{
sql += "pConncurrency := " + Delimiters.Param + concurrencyColumn + "; ";
}
sql += "UPDATE " + CreateFullName(request) + " SET ";
string computed = String.Empty;
string comma = String.Empty;
string and = String.Empty;
string where = string.Empty;
foreach (string colName in modifiedColumns)
{
tgColumnMetadata col = request.Columns[colName];
if (col != null && !col.IsInPrimaryKey && !col.IsTiraggoConcurrency)
{
p = cmd.Parameters.Add(CloneParameter(types[colName]));
object value = packet.CurrentValues[colName];
p.Value = value != null ? value : DBNull.Value;
sql += comma;
sql += Delimiters.ColumnOpen + colName + Delimiters.ColumnClose + " = " + p.ParameterName;
comma = ", ";
}
}
//.........这里部分代码省略.........
示例14: BuildDynamicInsertCommand
public static OracleCommand BuildDynamicInsertCommand(tgDataRequest request, tgEntitySavePacket packet)
{
Dictionary<string, OracleParameter> types = Cache.GetParameters(request);
OracleCommand cmd = new OracleCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
string comma = String.Empty;
string into = String.Empty;
string values = String.Empty;
string computedColumns = String.Empty;
string computedParameters = String.Empty;
string computedComma = String.Empty;
List<string> modifiedColumns = packet.ModifiedColumns;
string sql = "BEGIN ";
OracleParameter p = null;
foreach (tgColumnMetadata col in request.Columns)
{
if (col.IsAutoIncrement)
{
p = CloneParameter(types[col.Name]);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
string AutoKeyText = request.ProviderMetadata["AutoKeyText"];
// SELECT EMPLOYEE_ID.NextVal INTO p_EMPLOYEE_ID FROM DUAL;
sql += "SELECT \"" + AutoKeyText + "\".NextVal INTO " + p.ParameterName + " FROM DUAL; ";
into += comma;
into += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose;
values += comma;
values += p.ParameterName;
comma = ", ";
}
else if (col.IsTiraggoConcurrency)
{
p = CloneParameter(types[col.Name]);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
sql += p.ParameterName + " := 1; ";
into += comma;
into += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose;
values += comma;
values += p.ParameterName;
comma = ", ";
}
else if (col.HasDefault && (modifiedColumns != null && !modifiedColumns.Contains(col.Name)))
{
p = CloneParameter(types[col.Name]);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
computedColumns += computedComma + Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose;
computedParameters += computedComma + p.ParameterName;
computedComma = ", ";
if (col.CharacterMaxLength > 0)
{
p.Size = (int)col.CharacterMaxLength;
}
}
}
tgColumnMetadataCollection cols = request.Columns;
#region Special Column Logic
if (cols.DateAdded != null && cols.DateAdded.IsServerSide)
{
p = CloneParameter(types[cols.DateAdded.ColumnName]);
sql += p.ParameterName + " := " + request.ProviderMetadata["DateAdded.ServerSideText"] + ";";
CreateInsertSQLSnippet(cols.DateAdded.ColumnName, p, ref into, ref values, ref comma);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
}
if (cols.DateModified != null && cols.DateModified.IsServerSide)
{
p = CloneParameter(types[cols.DateModified.ColumnName]);
sql += p.ParameterName + " := " + request.ProviderMetadata["DateModified.ServerSideText"] + ";";
CreateInsertSQLSnippet(cols.DateModified.ColumnName, p, ref into, ref values, ref comma);
p.Direction = ParameterDirection.Output;
cmd.Parameters.Add(p);
}
if (cols.AddedBy != null && cols.AddedBy.IsServerSide)
{
p = CloneParameter(types[cols.AddedBy.ColumnName]);
p.Size = (int)cols.FindByColumnName(cols.AddedBy.ColumnName).CharacterMaxLength;
sql += p.ParameterName + " := " + request.ProviderMetadata["AddedBy.ServerSideText"] + ";";
//.........这里部分代码省略.........
示例15: BuildDynamicDeleteCommand
public static OracleCommand BuildDynamicDeleteCommand(tgDataRequest request, tgEntitySavePacket packet)
{
Dictionary<string, OracleParameter> types = Cache.GetParameters(request);
OracleCommand cmd = new OracleCommand();
if (request.CommandTimeout != null) cmd.CommandTimeout = request.CommandTimeout.Value;
string sql = String.Empty;
bool hasConcurrency = false;
sql += "BEGIN ";
sql += "DELETE FROM " + CreateFullName(request) + " ";
string where = String.Empty;
string comma = String.Empty;
comma = String.Empty;
foreach (tgColumnMetadata col in request.Columns)
{
if (col.IsInPrimaryKey || col.IsTiraggoConcurrency)
{
OracleParameter p = CloneParameter(types[col.Name]);
p.Value = packet.OriginalValues[col.Name];
cmd.Parameters.Add(p);
where += comma;
where += Delimiters.ColumnOpen + col.Name + Delimiters.ColumnClose + " = " + p.ParameterName;
comma = " AND ";
if (col.IsTiraggoConcurrency) hasConcurrency = true;
}
}
sql += " WHERE (" + where + "); ";
if (hasConcurrency)
{
sql += "IF SQL%ROWCOUNT = 0 THEN ";
sql += "Raise_application_error(-20101, 'NO RECORDS WERE DELETED'); END IF;";
}
sql += " END;";
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
return cmd;
}