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Use a fixed application_name while connecting to remote nodes 

Citus heavily relies on application_name, see
`IsCitusInitiatedRemoteBackend()`.

But if the user set the application name, such as export PGAPPNAME=test_name,
Citus uses that name while connecting to the remote node.

With this commit, we ensure that Citus always connects with
the "citus" user name to the remote nodes.
pull/5657/head
Onder Kalaci 2022-01-26 16:57:08 +01:00
parent 9bc0fd9479
commit b26eeaecd3
1 changed files with 6 additions and 6 deletions
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12
src/backend/distributed/connection/connection_configuration.c
View File

@ -72,8 +72,8 @@ InitConnParams()
/* /*
* ResetConnParams frees all strings in the keywords and parameters arrays, * ResetConnParams frees all strings in the keywords and parameters arrays,
* sets their elements to null, and resets the ConnParamsSize to zero before * sets their elements to null, and resets the ConnParamsSize to zero before
* adding back any hardcoded global connection settings (at present, only the * adding back any hardcoded global connection settings (at present, there
* fallback_application_name of 'citus'). * are no).
*/ */
void void
ResetConnParams() ResetConnParams()
@ -89,8 +89,6 @@ ResetConnParams()
ConnParams.size = 0; ConnParams.size = 0;
InvalidateConnParamsHashEntries(); InvalidateConnParamsHashEntries();
AddConnParam("fallback_application_name", CITUS_APPLICATION_NAME);
} }
@ -253,14 +251,16 @@ GetConnParams(ConnectionHashKey *key, char ***keywords, char ***values,
"port", "port",
"dbname", "dbname",
"user", "user",
"client_encoding" "client_encoding",
"application_name"
}; };
const char *runtimeValues[] = { const char *runtimeValues[] = {
key->hostname, key->hostname,
nodePortString, nodePortString,
key->database, key->database,
key->user, key->user,
GetDatabaseEncodingName() GetDatabaseEncodingName(),
CITUS_APPLICATION_NAME
}; };
/* /*