Method convertToResTarget

internal/engine/clickhouse/convert.go:174–217

(expr chast.Expression)

}

func (c *cc) convertToResTarget(expr chast.Expression) *ast.ResTarget {
	res := &ast.ResTarget{
		Location: expr.Pos().Offset,
	}

	switch e := expr.(type) {
	case *chast.Asterisk:
		if e.Table != "" {
			// table.*
			res.Val = &ast.ColumnRef{
				Fields: &ast.List{
					Items: []ast.Node{
						NewIdentifier(e.Table),
						&ast.A_Star{},
					},
				},
			}
		} else {
			// Just *
			res.Val = &ast.ColumnRef{
				Fields: &ast.List{
					Items: []ast.Node{&ast.A_Star{}},
				},
			}
		}
	case *chast.AliasedExpr:
		res.Name = &e.Alias
		res.Val = c.convertExpr(e.Expr)
	case *chast.Identifier:
		if e.Alias != "" {
			res.Name = &e.Alias
		}
		res.Val = c.convertIdentifier(e)
	case *chast.FunctionCall:
		if e.Alias != "" {
			res.Name = &e.Alias
		}
		res.Val = c.convertFunctionCall(e)
	default:
		res.Val = c.convertExpr(expr)
	}

	return res
}

func (c *cc) convertTablesInSelectQuery(n *chast.TablesInSelectQuery) *ast.List {
	if n == nil || len(n.Tables) == 0 {