WTX

1. regression.diffs:  It looks like that the latest version of cbdb changed the hint msg when dropping column. 2. I do built Cloudberry without --with-pythonsrc-ext option, I'll try it...

@tuhaihe # Hi, I redo the those steps : 1. build cloudberry: ./configure --with-perl --with-python --with-libxml --with-gssapi --with-pythonsrc-ext --prefix=/usr/local/cloudberry make -j8 make -j8 install 2. create demo culster: (1)copy files:...