protected virtual void LoadProcedureTableSchema(
DataConnection dataConnection, ProcedureSchema procedure, string commandText, List <TableSchema> tables)
{
CommandType commandType;
DataParameter[] parameters;
if (procedure.IsTableFunction)
{
commandText = "SELECT * FROM " + commandText + "(";
for (var i = 0; i < procedure.Parameters.Count; i++)
{
if (i != 0)
{
commandText += ",";
}
commandText += "NULL";
}
commandText += ")";
commandType = CommandType.Text;
parameters = new DataParameter[0];
}
else
{
commandType = CommandType.StoredProcedure;
parameters = procedure.Parameters.Select(p =>
new DataParameter
{
Name = p.ParameterName,
Value =
p.SystemType == typeof(string) ? "" :
p.SystemType == typeof(DateTime) ? DateTime.Now :
DefaultValue.GetValue(p.SystemType),
DataType = p.DataType,
Size = (int?)p.Size,
Direction =
p.IsIn ?
p.IsOut ?
ParameterDirection.InputOutput :
ParameterDirection.Input :
ParameterDirection.Output
}).ToArray();
}
try
{
var st = GetProcedureSchema(dataConnection, commandText, commandType, parameters);
procedure.IsLoaded = true;
if (st != null)
{
procedure.ResultTable = new TableSchema
{
IsProcedureResult = true,
TypeName = ToValidName(procedure.ProcedureName + "Result"),
ForeignKeys = new List <ForeignKeySchema>(),
Columns = GetProcedureResultColumns(st)
};
foreach (var column in procedure.ResultTable.Columns)
{
column.Table = procedure.ResultTable;
}
procedure.SimilarTables =
(
from t in tables
where t.Columns.Count == procedure.ResultTable.Columns.Count
let zip = t.Columns.Zip(procedure.ResultTable.Columns, (c1, c2) => new { c1, c2 })
where zip.All(z => z.c1.ColumnName == z.c2.ColumnName && z.c1.SystemType == z.c2.SystemType)
select t
).ToList();
}
}
catch (Exception ex)
{
procedure.ResultException = ex;
}
}
protected virtual void LoadProcedureTableSchema(
DataConnection dataConnection,
GetSchemaOptions options,
ProcedureSchema procedure,
string commandText,
List <TableSchema> tables)
{
CommandType commandType;
DataParameter[] parameters;
if (procedure.IsTableFunction)
{
commandText = BuildTableFunctionLoadTableSchemaCommand(procedure, commandText);
commandType = CommandType.Text;
parameters = Array <DataParameter> .Empty;
}
else
{
commandType = CommandType.StoredProcedure;
parameters = procedure.Parameters.Select(BuildProcedureParameter).ToArray();
}
try
{
var st = GetProcedureSchema(dataConnection, commandText, commandType, parameters, options);
procedure.IsLoaded = true;
if (st != null && st.Columns.Count > 0)
{
var columns = GetProcedureResultColumns(st, options);
if (columns.Count > 0)
{
procedure.ResultTable = new TableSchema
{
IsProcedureResult = true,
TypeName = ToValidName(procedure.ProcedureName + "Result"),
ForeignKeys = new List <ForeignKeySchema>(),
Columns = columns
};
foreach (var column in procedure.ResultTable.Columns)
{
column.Table = procedure.ResultTable;
}
procedure.SimilarTables =
(
from t in tables
where t.Columns.Count == procedure.ResultTable.Columns.Count
let zip = t.Columns.Zip(procedure.ResultTable.Columns, (c1, c2) => new { c1, c2 })
where zip.All(z => z.c1.ColumnName == z.c2.ColumnName && z.c1.SystemType == z.c2.SystemType)
select t
).ToList();
}
}
}
catch (Exception ex)
{
procedure.ResultException = ex;
}
}
protected virtual void LoadProcedureTableSchema(
DataConnection dataConnection, ProcedureSchema procedure, string commandText, List<TableSchema> tables)
{
CommandType commandType;
DataParameter[] parameters;
if (procedure.IsTableFunction)
{
commandText = "SELECT * FROM " + commandText + "(";
for (var i = 0; i < procedure.Parameters.Count; i++)
{
if (i != 0)
commandText += ",";
commandText += "NULL";
}
commandText += ")";
commandType = CommandType.Text;
parameters = new DataParameter[0];
}
else
{
commandType = CommandType.StoredProcedure;
parameters = procedure.Parameters.Select(p =>
new DataParameter
{
Name = p.ParameterName,
Value =
p.SystemType == typeof(string) ? "" :
p.SystemType == typeof(DateTime) ? DateTime.Now :
DefaultValue.GetValue(p.SystemType),
DataType = p.DataType,
Size = (int?)p.Size,
Direction =
p.IsIn ?
p.IsOut ?
ParameterDirection.InputOutput :
ParameterDirection.Input :
ParameterDirection.Output
}).ToArray();
}
try
{
var st = GetProcedureSchema(dataConnection, commandText, commandType, parameters);
procedure.IsLoaded = true;
if (st != null)
{
procedure.ResultTable = new TableSchema
{
IsProcedureResult = true,
TypeName = ToValidName(procedure.ProcedureName + "Result"),
ForeignKeys = new List<ForeignKeySchema>(),
Columns = GetProcedureResultColumns(st)
};
foreach (var column in procedure.ResultTable.Columns)
column.Table = procedure.ResultTable;
procedure.SimilarTables =
(
from t in tables
where t.Columns.Count == procedure.ResultTable.Columns.Count
let zip = t.Columns.Zip(procedure.ResultTable.Columns, (c1, c2) => new { c1, c2 })
where zip.All(z => z.c1.ColumnName == z.c2.ColumnName && z.c1.SystemType == z.c2.SystemType)
select t
).ToList();
}
}
catch (Exception ex)
{
procedure.ResultException = ex;
}
}
