Re: cant execute yyparse() within postgresql

Datum mylanguage_handler(PG_FUNCTION_ARGS){

if (CALLED_AS_TRIGGER(fcinfo))
/*do nothing

else{
char *proc_source;
Datum prosrcdatum;
bool isnull;

//get the oid of the function
Oid funcOid = fcinfo->flinfo->fn_oid;

HeapTuple procTup =
SearchSysCache(PROCOID,ObjectIdGetDatum(funcOid),0, 0,
0);

//get the attribute that holds the function's source
prosrcdatum = SysCacheGetAttr(PROCOID,
procTup,Anum_pg_proc_prosrc, &isnull);

//convert prosrcdatum to C style string
proc_source =
DatumGetCString(DirectFunctionCall1(textout,
prosrcdatum));

if (isnull)
elog(ERROR, "null prosrc");
else
{
elog(INFO,"\n Invoking parser \n");

/*the problem area*/
yyparse();
elog(INFO,"\n parser invoked \n");
}
}//end of function

i receive the following error
"server closed the connection unexpectedly
This probably means the server terminated
abnormally before or while processing the request.
The connection to the server was lost. Attempting
reset: Failed."

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