add find to TableVar #6864

Job	Run time
Setup	1s
Linux-Debug / Build (Debug)	24m 55s
Linux-GPU / Test (Debug)	24m 10s
Linux-docker / Build	22m 42s
Linux-Release / Build (Release)	20m 52s
Linux-valgrind / Build	25m 47s
macOS-Debug / Build (Debug)	24m 29s
wasm32-emscripten-mt / Build (mt)	30m 35s
macOS-Release / Build (Release)	24m 30s
iOS / iOS	31m 0s
Windows-Debug / Build (Exe, Debug, 64-bit)	27m 11s
Windows-Release / Build (Exe, Release, 64-bit)	33m 36s
macOS-Debug / Test	6m 48s
macOS-Release / Test	5m 40s
Codecov / Codecov	22s
Windows-Debug / Test	8m 4s
Windows-Release / Test	6m 49s
docs / Generate Markdown	2m 30s
docs / Run Samples	3m 0s
docs / Build Website	5m 41s
	5h 28m 42s

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