From: Michael Paquier [mailto:mich...@paquier.xyz] > > On Wed, Jun 6, 2018 at 8:16 PM, MauMau <maumau...@gmail.com> wrote: > >> Looking at the XL source code, the following sequence of functions > >> are called when the coordinator handles the Row Description message > >> ('T') from the data node. I guess the parsing is necessary to > >> process type names combined with type modifiers, e.g. "char(100)". > >> > >> create_tuple_desc > >> parseTypeString > >> typeStringToTypeName > >> raw_parser > > > > Hmm, strange. I had not seen that in Postgres-XC. > > Where is that located in the XC code? If you point out to the location > it may revive some past memories from either Ashutosh or me.
The XL-specific code path is this in src/backend/pgxc/pool/execRemote.c (I don't know this also exists in XC): handle_response -> HandleRowDescription -> create_tuple_desc I think the rest exists in PostgreSQL: parseTypeString -> typeStringToTypeName -> raw_parser Regards Takayuki Tsunakawa
