diff --git a/ui/src/shared/constants/tableGraph.js b/ui/src/shared/constants/tableGraph.js
new file mode 100644
index 000000000..717d01575
--- /dev/null
+++ b/ui/src/shared/constants/tableGraph.js
@@ -0,0 +1,4 @@
+export const NULL_COLUMN_INDEX = -1
+export const NULL_ROW_INDEX = -1
+
+export const NULL_HOVER_TIME = '0'