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#region MIT license
//
// MIT license
//
// Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#endregion
using System.Collections.Generic;
using System.Data;
using System.Linq;
using DbLinq.Schema;
using DbLinq.Schema.Dbml;
using DbLinq.Util;
namespace DbLinq.Oracle
{
partial class OracleSchemaLoader
{
protected class StoredProcedureParameter
{
public string ProcedureName { get; set; }
public string Name { get; set; }
public string Schema { get; set; }
public DataType Type { get; set; }
public bool In { get; set; }
public bool Out { get; set; }
}
protected virtual StoredProcedureParameter ReadParameter(IDataRecord dataRecord)
{
var parameter = new StoredProcedureParameter();
int field = 0;
parameter.ProcedureName = dataRecord.GetAsString(field++);
parameter.Name = dataRecord.GetAsString(field++);
parameter.Schema = dataRecord.GetAsString(field++);
parameter.Type = new DataType();
parameter.Type.SqlType = dataRecord.GetAsString(field++);
parameter.Type.Length = dataRecord.GetAsNullableNumeric<long>(field++);
parameter.Type.Precision = dataRecord.GetAsNullableNumeric<int>(field++);
parameter.Type.Scale = dataRecord.GetAsNullableNumeric<int>(field++);
string inOut = dataRecord.GetAsString(field++).ToLower();
parameter.In = inOut.Contains("in");
parameter.Out = inOut.Contains("out");
return parameter;
}
protected virtual IList<StoredProcedureParameter> ReadParameters(IDbConnection connection, string databaseName)
{
const string sql = @"select object_name, argument_name, owner, data_type, data_length, data_precision, data_scale, in_out
from all_arguments where lower(owner) = :db order by object_id, position";
return DataCommand.Find<StoredProcedureParameter>(connection, sql, ":db", databaseName.ToLower(), ReadParameter);
}
protected override void LoadStoredProcedures(Database schema, SchemaName schemaName, IDbConnection conn, NameFormat nameFormat)
{
var parameters = ReadParameters(conn, schemaName.DbName);
foreach (var parameter in parameters)
{
var procedureName = CreateProcedureName(parameter.ProcedureName, parameter.Schema, nameFormat);
Function function = schema.Functions.SingleOrDefault(f => f.Method == procedureName.MethodName);
if (function == null)
{
function = new Function { Name = procedureName.DbName, Method = procedureName.MethodName };
schema.Functions.Add(function);
}
if (parameter.Name == null)
{
var returnParameter = new Return();
returnParameter.DbType = parameter.Type.SqlType;
returnParameter.Type = MapDbType(parameter.Name, parameter.Type).ToString();
function.IsComposable = true;
function.Return = returnParameter;
}
else
{
var functionParameter = new Parameter();
functionParameter.DbType = parameter.Type.SqlType;
functionParameter.Type = MapDbType(parameter.Name, parameter.Type).ToString();
if (parameter.In)
{
if (parameter.Out)
functionParameter.Direction = DbLinq.Schema.Dbml.ParameterDirection.InOut;
else
functionParameter.Direction = DbLinq.Schema.Dbml.ParameterDirection.In;
}
else
functionParameter.Direction = DbLinq.Schema.Dbml.ParameterDirection.Out;
var parameterName = CreateParameterName(parameter.Name, nameFormat);
functionParameter.Name = parameterName.CallName;
function.Parameters.Add(functionParameter);
}
}
}
}
}
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