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From: Peter Eisentraut <peter@eisentraut.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Rename libpq trace internal functions
Date: Thu, 02 May 2024 14:48:29 +0000
Message-ID: <E1s2XjY-0019Z3-66@gemulon.postgresql.org> (raw)

Rename libpq trace internal functions

libpq's pqTraceOutputMessage() used to look like this:

    case 'Z':               /* Ready For Query */
        pqTraceOutputZ(conn->Pfdebug, message, &logCursor);
        break;

Commit f4b54e1ed98 introduced macros for protocol characters, so now
it looks like this:

    case PqMsg_ReadyForQuery:
        pqTraceOutputZ(conn->Pfdebug, message, &logCursor);
        break;

But this introduced a disconnect between the symbol in the switch case
and the function name to be called, so this made the manageability of
this file a bit worse.

This patch changes the function names to match, so now it looks like
this:

    case PqMsg_ReadyForQuery:
        pqTraceOutput_ReadyForQuery(conn->Pfdebug, message, &logCursor);
        break;

(This also improves the readability of the file in general, since some
function names like "pqTraceOutputt" were a little hard to read
accurately.)

Some protocol characters have different meanings to and from the
server.  The old code structure had a common function for both, for
example, pqTraceOutputD().  The new structure splits this up into
separate ones to match the protocol message name, like
pqTraceOutput_Describe() and pqTraceOutput_DataRow().

Reviewed-by: Yugo NAGATA <nagata@sraoss.co.jp>
Discussion: https://www.postgresql.org/message-id/flat/575e4f9d-acfe-45e3-b7f1-7e32c579090e%40eisentraut.org

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/42510c031b070228bfa024f6a4365dffd60086de

Modified Files
--------------
src/interfaces/libpq/fe-trace.c | 208 +++++++++++++++++++---------------------
1 file changed, 100 insertions(+), 108 deletions(-)



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