         }
            if (df.id === df.rootId) {
                df.expandedFrames = new Set()
                df.childFrames = {}
                const table = this.getTableElement(df.id)
                table.df = df
                for (let i = 0; i < df.cols.length; i++) {
                    let col = df.cols[i]
                    if (col.parent === undefined && col.children.length > 0) col.expanded = true
                }
            } else {
                const rootDf = this.getTableData(df.root