Remove dead code.
These memory context switches are useless in the wake of commit
Noted by Jesper Pedersen.
Discussion:
@@ -693,15 +693,8 @@ pg_listening_channels(PG_FUNCTION_ARGS)
/* stuff done only on the first call of the function */
if (SRF_IS_FIRSTCALL())
{
- MemoryContext oldcontext;
-
/* create a function context for cross-call persistence */
funcctx = SRF_FIRSTCALL_INIT();
-
- /* switch to memory context appropriate for multiple function calls */
- oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
-
- MemoryContextSwitchTo(oldcontext);
}
/* stuff done on every call of the function */
