Feature/add ext dml init fini hook for custom table am#196

my-ship-it merged 1 commit intoapache:union_store_catalogapache/cloudberry:union_store_catalogfrom

gongxun0928:feature/add-ext-dml-init-fini-hook-for-custom-table-amgongxun0928/cloudberrydb:feature/add-ext-dml-init-fini-hook-for-custom-table-amCopy head branch name to clipboard