[Backport 0.4] Disable unsupported PPL function expressions (#478)#498

Merged

dai-chen merged 1 commit intoopensearch-project:0.4from ykmr1224:backport/backport-478-to-0.4

Jul 30, 2024

+2-32

Commits on Jul 29, 2024

Disable unsupported PPL function expressions (opensearch-project#478 )
ykmr1224
committed