public override void Visit(SqlSelectClause sqlSelectClause)
{
this.writer.Write("SELECT ");
if (sqlSelectClause.HasDistinct)
{
this.writer.Write("DISTINCT ");
}
if (sqlSelectClause.TopSpec != null)
{
sqlSelectClause.TopSpec.Accept(this);
this.writer.Write(" ");
}
sqlSelectClause.SelectSpec.Accept(this);
}
public override int Visit(SqlSelectClause sqlSelectClause)
{
int hashCode = SqlSelectClauseHashCode;
if (sqlSelectClause.HasDistinct)
{
hashCode = CombineHashes(hashCode, SqlSelectClauseDistinctHashCode);
}
if (sqlSelectClause.TopSpec != null)
{
hashCode = CombineHashes(hashCode, sqlSelectClause.TopSpec.Accept(this));
}
hashCode = CombineHashes(hashCode, sqlSelectClause.SelectSpec.Accept(this));
return(hashCode);
}
protected SqlQuery(
SqlSelectClause selectClause,
SqlFromClause fromClause,
SqlWhereClause whereClause,
SqlOrderbyClause orderbyClause,
SqlOffsetLimitClause offsetLimitClause)
: base(SqlObjectKind.Query)
{
if (selectClause == null)
{
throw new ArgumentNullException($"{nameof(selectClause)} must not be null.");
}
this.SelectClause = selectClause;
this.FromClause = fromClause;
this.WhereClause = whereClause;
this.OrderbyClause = orderbyClause;
this.OffsetLimitClause = offsetLimitClause;
}