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authorMichael Paquier <michael@paquier.xyz>2024-08-22 16:25:57 +0900
committerMichael Paquier <michael@paquier.xyz>2024-08-22 16:25:57 +0900
commitd55322b0da60a8798ffdb8b78ef90db0fb5be18e (patch)
treed6d5ff5ec0fe3f7d8c49d38357529f113ef617d3 /src/backend/utils/adt/numeric.c
parenta36aa223ec447276bf7050ab9ec6d974cafdf6c4 (diff)
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psql: Add more meta-commands able to use the extended protocol
Currently, only unnamed prepared statement are supported by psql with the meta-command \bind. With only this command, it is not possible to test named statement creation, execution or close through the extended protocol. This commit introduces three additional commands: * \parse creates a prepared statement using the extended protocol, acting as a wrapper of libpq's PQsendPrepare(). * \bind_named binds and executes an existing prepared statement using the extended protocol, for PQsendQueryPrepared(). * \close closes an existing prepared statement using the extended protocol, for PQsendClosePrepared(). This is going to be useful to add regression tests for the extended query protocol, and I have some plans for that on separate threads. Note that \bind relies on PQsendQueryParams(). The code of psql is refactored so as bind_flag is replaced by an enum in _psqlSettings that tracks the type of libpq routine to execute, based on the meta-command involved, with the default being PQsendQuery(). This refactoring piece has been written by me, while Anthonin has implemented the rest. Author: Anthonin Bonnefoy, Michael Paquier Reviewed-by: Aleksander Alekseev, Jelte Fennema-Nio Discussion: https://postgr.es/m/CAO6_XqpSq0Q0kQcVLCbtagY94V2GxNP3zCnR6WnOM8WqXPK4nw@mail.gmail.com
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