public override IASTNode VisitJoinSpecification(SqlServerCommandParser.JoinSpecificationContext context)
{
JoinSpecificationSegment result = new JoinSpecificationSegment();
if (null != context.expr())
{
var expr = Visit(context.expr());
if (expr is PredicateSegment predicateSegment)
{
result.SetPredicateSegment(predicateSegment);
}
}
if (null != context.USING())
{
ICollection <ColumnSegment> columnSegmentList = new LinkedList <ColumnSegment>();
foreach (var columnNameWithSortContext in context.columnNames().columnNameWithSort())
{
columnSegmentList.Add((ColumnSegment)Visit(columnNameWithSortContext));
}
result.SetUsingColumns(columnSegmentList);
}
return(result);
}
public override IASTNode VisitJoinSpecification(MySqlCommandParser.JoinSpecificationContext ctx)
{
JoinSpecificationSegment result = new JoinSpecificationSegment();
if (null != ctx.expr())
{
IASTNode expr = Visit(ctx.expr());
if (expr is PredicateSegment)
{
PredicateSegment predicate = (PredicateSegment)expr;
result.SetPredicateSegment(predicate);
}
}
if (null != ctx.USING())
{
ICollection <ColumnSegment> columnSegmentList = new List <ColumnSegment>();
foreach (var cname in ctx.columnNames().columnName())
{
columnSegmentList.Add((ColumnSegment)Visit(cname));
}
result.SetUsingColumns(columnSegmentList);
}
return(result);
}