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Allow background workers to bypass datallowconn

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THis adds a "flags" field to the BackgroundWorkerInitializeConnection()
and BackgroundWorkerInitializeConnectionByOid(). For now only one flag,
BGWORKER_BYPASS_ALLOWCONN, is defined, which allows the worker to ignore
datallowconn.
This commit is contained in:
Magnus Hagander
2018-04-05 18:59:32 +02:00
parent 1664ae1978
commit eed1ce72e1
11 changed files with 25 additions and 20 deletions
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8
src/backend/postmaster/postmaster.c
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@@ -5582,7 +5582,7 @@ MaxLivePostmasterChildren(void)
* Connect background worker to a database.
*/
void
BackgroundWorkerInitializeConnection(const char *dbname, const char *username)
BackgroundWorkerInitializeConnection(const char *dbname, const char *username, uint32 flags)
{
BackgroundWorker *worker = MyBgworkerEntry;
@@ -5592,7 +5592,7 @@ BackgroundWorkerInitializeConnection(const char *dbname, const char *username)
(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
errmsg("database connection requirement not indicated during registration")));
InitPostgres(dbname, InvalidOid, username, InvalidOid, NULL);
InitPostgres(dbname, InvalidOid, username, InvalidOid, NULL, (flags & BGWORKER_BYPASS_ALLOWCONN) != 0);
/* it had better not gotten out of "init" mode yet */
if (!IsInitProcessingMode())
@@ -5605,7 +5605,7 @@ BackgroundWorkerInitializeConnection(const char *dbname, const char *username)
* Connect background worker to a database using OIDs.
*/
void
BackgroundWorkerInitializeConnectionByOid(Oid dboid, Oid useroid)
BackgroundWorkerInitializeConnectionByOid(Oid dboid, Oid useroid, uint32 flags)
{
BackgroundWorker *worker = MyBgworkerEntry;
@@ -5615,7 +5615,7 @@ BackgroundWorkerInitializeConnectionByOid(Oid dboid, Oid useroid)
(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
errmsg("database connection requirement not indicated during registration")));
InitPostgres(NULL, dboid, NULL, useroid, NULL);
InitPostgres(NULL, dboid, NULL, useroid, NULL, (flags & BGWORKER_BYPASS_ALLOWCONN) != 0);
/* it had better not gotten out of "init" mode yet */
if (!IsInitProcessingMode())