public virtual IPropertyMapInfo GetPrimaryKeyNeedBinding <T>()
{
var map = _cache.GetMapInfo(typeof(T), true);
if (map.PrimaryKeyGenerate == PrimaryKeyGenerate.Auto)
{
if (map.PKStatus == PrimaryKeyStatus.Single)
{
return(map.PrimaryKeyMaps.First());
}
else
{
GenerateExceptionHelper.ThrowPrimaryKeyDefineNotSupport(typeof(T));
}
}
return(null);
}
public virtual string Remove <T>(T entity)
{
var map = _cache.GetMapInfo(typeof(T), true);
if (map.PrimaryKeyMaps.Count() == 0)
{
GenerateExceptionHelper.ThrowNoPrimaryKeyDefine(typeof(T));
}
try
{
StringBuilder str = new StringBuilder();
str.Append(_tr.Delete).Append(_tr.GetEscapedTableName(map.Table.LocalName));
str.Append(_tr.Where).Append(_cb.BuildWherePrimaryKey(map, entity));
return(str.ToString());
}
catch (Exception ex)
{
throw ex.CreateWrapException <SQLGenerateException>();
}
}
public virtual string FindByPK <T>(T pk)
{
pk.ThrowIfNullArgument(nameof(pk));
var map = _cache.GetMapInfo(typeof(T), true);
if (map.PrimaryKeyMaps.Count() == 0)
{
GenerateExceptionHelper.ThrowNoPrimaryKeyDefine(typeof(T));
}
try
{
StringBuilder str = new StringBuilder();
str.Append(_tr.Select).Append(_cb.BuildSelectColumns(map)).Append(_tr.From).Append(_tr.GetEscapedTableName(map.Table.LocalName));
str.Append(_tr.Where).Append(_cb.BuildWherePrimaryKey(map, pk));
return(str.ToString());
}
catch (Exception ex)
{
throw ex.CreateWrapException <SQLGenerateException>();
}
}
