[draft] Add null check on native create_index return and fix test callsites for new metricType param - #1639

[draft] Add null check on native create_index return and fix test callsites for new metricType param#1639

Haiyang (hailangx) with Copilot wants to merge 4 commits into

mainmicrosoft/garnet:mainfrom

copilot/update-diskann-garnet-versionmicrosoft/garnet:copilot/update-diskann-garnet-versionCopy head branch name to clipboard