public override DbExpression Visit(DbSqlQueryExpression exp)
{
DbSqlQueryExpression sqlQuery = new DbSqlQueryExpression(exp.Type)
{
TakeCount = exp.TakeCount,
SkipCount = exp.SkipCount,
Table = (DbFromTableExpression)this.MakeNewExpression(exp.Table),
Condition = this.MakeNewExpression(exp.Condition),
HavingCondition = this.MakeNewExpression(exp.HavingCondition),
IsDistinct = exp.IsDistinct
};
sqlQuery.ColumnSegments.AddRange(exp.ColumnSegments.Select(a => new DbColumnSegment(this.MakeNewExpression(a.Body), a.Alias)));
sqlQuery.GroupSegments.AddRange(exp.GroupSegments.Select(a => this.MakeNewExpression(a)));
sqlQuery.Orderings.AddRange(exp.Orderings.Select(a => new DbOrdering(this.MakeNewExpression(a.Expression), a.OrderType)));
return(sqlQuery);
}
public DbSqlQueryExpression Update(Type type)
{
DbSqlQueryExpression sqlQuery = new DbSqlQueryExpression(type)
{
TakeCount = this.TakeCount,
SkipCount = this.SkipCount,
Table = this.Table,
Condition = this.Condition,
HavingCondition = this.HavingCondition,
IsDistinct = this.IsDistinct
};
sqlQuery.ColumnSegments.AddRange(this.ColumnSegments);
sqlQuery.GroupSegments.AddRange(this.GroupSegments);
sqlQuery.Orderings.AddRange(this.Orderings);
return(sqlQuery);
}
public DbExistsExpression(DbSqlQueryExpression sqlQuery)
: base(DbExpressionType.Exists, UtilConstants.TypeOfBoolean)
{
this._sqlQuery = sqlQuery;
}
public DbSubQueryExpression(DbSqlQueryExpression sqlQuery)
: base(DbExpressionType.SubQuery, UtilConstants.TypeOfVoid)
{
this._sqlQuery = sqlQuery;
}
public abstract T Visit(DbSqlQueryExpression exp);
public DbSubQueryExpression(DbSqlQueryExpression sqlQuery)
: base(DbExpressionType.SubQuery)
{
this._sqlQuery = sqlQuery;
}
public virtual T Visit(DbSqlQueryExpression exp)
{
throw new NotImplementedException();
}