[NewFeature] Support ExternalCatalogResource to simplify external table manage operation.#4559

Merged

morningman merged 3 commits intoapache:masterfrom

HappenLee:externalresource

Sep 25, 2020

Commits on Sep 21, 2020

[NewFeature] Support ExternalCatalogResource to simplify external table operation.
HappenLee
committed

Commits on Sep 22, 2020

change ExternalCatalogResource to OdbcCatalogResource
HappenLee
committed

Commits on Sep 24, 2020

add UT of ODBC catalog resource serialization
HappenLee
committed