diff --git a/superset/assets/visualizations/time_table.jsx b/superset/assets/visualizations/time_table.jsx index 0347c4148f..8111cbbf4e 100644 --- a/superset/assets/visualizations/time_table.jsx +++ b/superset/assets/visualizations/time_table.jsx @@ -137,9 +137,16 @@ function viz(slice, payload) { } else { const recent = reversedData[0][metric]; let v; + let errorMsg; if (column.colType === 'time') { // Time lag ratio - v = reversedData[parseInt(column.timeLag, 10)][metric]; + const timeLag = parseInt(column.timeLag, 10); + const totalLag = Object.keys(reversedData).length; + if (timeLag > totalLag) { + errorMsg = `The time lag set at ${timeLag} exceeds the length of data at ${reversedData.length}. No data available.`; + } else { + v = reversedData[timeLag][metric]; + } if (column.comparisonType === 'diff') { v = recent - v; } else if (column.comparisonType === 'perc') { @@ -175,11 +182,11 @@ function viz(slice, payload) { } row[column.key] = { data: v, - display: ( -