public virtual int Update(IDictionary <string, object> o, IList <WhereClause> where)
{
ISqlMapper mapper = new UpdateByIDMapper(Factory.CreateConverter(_helper.DBType));
var model = mapper.ObjectToSql(Common.GetTableName(_key, _config.Owner, o.GetType(), _config, o), o, where, _config);
int result = 0;
result = _helper.ExecNoneQueryWithSQL(model.SQL, model.Parameters.ToArray());
return(result);
}
public SqlModel ObjectToSql(string tableName, IDictionary <string, object> o, IList <WhereClause> where, TableConfig config = null)
{
InsertMapper insertMapper = new InsertMapper(Converter);
UpdateByIDMapper updateMapper = new UpdateByIDMapper(Converter);
StringBuilder judgement = new StringBuilder();
SqlModel model = new SqlModel();
judgement.AppendFormat(" EXISTS(SELECT 1 FROM {0} WHERE ", tableName);
foreach (var key in o.Keys)
{
var column = config?.ColumnMapping?.Find(t => t.SourceColumn.ToLower().Equals(key.ToLower()));
if (column != null && column.Ingore)
{
continue;
}
if (column == null || !column.Primarykey)
{
continue;
}
if (column != null && column.GenerateID && o[key] == null)
{
IIDGenerator generator = IDGeneratorFactory.Create(GeneratorType.SnowFlak);
o.SetValue(key, generator.Generate());
}
string columnName = Common.GetColumnName(key, column);
if (string.IsNullOrEmpty(columnName))
{
continue;
}
judgement.AppendFormat("{0}={1} AND ", Converter.FormatColumn(columnName), Converter.FormatParameter(columnName));
}
var insertModel = insertMapper.ObjectToSql(tableName, o, where, config);
var updateModel = updateMapper.ObjectToSql(tableName, o, where, config);
judgement.Remove(judgement.Length - 4, 4);
judgement.Append(")");
string sql = Converter.BuildIfElseStatement(judgement.ToString(), updateModel.SQL, insertModel.SQL);
model.SQL = sql;
model.Parameters = updateModel.Parameters;
return(model);
}
private int Execute(string tableName, IDictionary <string, object> o, SqlModel model)
{
int result = 0;
DataTable table = null;
try
{
table = _helper.GetTableWithSQL(model.SQL, model.Parameters.ToArray());
}
catch (Exception ex)
{
_logger.Write(model.SQL);
throw ex;
}
ISqlMapper mapper = null;
if (table.Rows.Count > 0)
{
mapper = new UpdateByIDMapper(Factory.CreateConverter(_helper.DBType));
}
else
{
mapper = new InsertMapper(Factory.CreateConverter(_helper.DBType));
}
var saveModel = mapper.ObjectToSql(tableName, o, null, _config);
try
{
result = _helper.ExecNoneQueryWithSQL(saveModel.SQL, saveModel.Parameters.ToArray());
}
catch (Exception ex)
{
_logger.Write(saveModel.SQL);
throw ex;
}
return(result);
}
