debug: config-gated assertion for columnar-to-row transition invariant [do not merge]#3966

andygrove wants to merge 4 commits intoapache:mainapache/datafusion-comet:mainfrom

andygrove:debug-columnar-to-row-assertionandygrove/datafusion-comet:debug-columnar-to-row-assertionCopy head branch name to clipboard