diff options
Diffstat (limited to 'src/backend/executor/functions.c')
| -rw-r--r-- | src/backend/executor/functions.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/src/backend/executor/functions.c b/src/backend/executor/functions.c index d2bd23da750..1f6d530f91d 100644 --- a/src/backend/executor/functions.c +++ b/src/backend/executor/functions.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/functions.c,v 1.142 2010/02/26 02:00:41 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/executor/functions.c,v 1.143 2010/03/19 22:54:40 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -74,6 +74,7 @@ typedef struct execution_state */ typedef struct { + char *fname; /* function name (for error msgs) */ char *src; /* function body text (for error msgs) */ Oid *argtypes; /* resolved types of arguments */ @@ -228,6 +229,7 @@ init_sql_fcache(FmgrInfo *finfo, bool lazyEvalOK) bool isNull; fcache = (SQLFunctionCachePtr) palloc0(sizeof(SQLFunctionCache)); + finfo->fn_extra = (void *) fcache; /* * get the procedure tuple corresponding to the given function Oid @@ -238,6 +240,11 @@ init_sql_fcache(FmgrInfo *finfo, bool lazyEvalOK) procedureStruct = (Form_pg_proc) GETSTRUCT(procedureTuple); /* + * copy function name immediately for use by error reporting callback + */ + fcache->fname = pstrdup(NameStr(procedureStruct->proname)); + + /* * get the result type from the procedure tuple, and check for polymorphic * result type; if so, find out the actual result type. */ @@ -361,8 +368,6 @@ init_sql_fcache(FmgrInfo *finfo, bool lazyEvalOK) lazyEvalOK); ReleaseSysCache(procedureTuple); - - finfo->fn_extra = (void *) fcache; } /* Start up execution of one execution_state node */ @@ -877,37 +882,24 @@ sql_exec_error_callback(void *arg) { FmgrInfo *flinfo = (FmgrInfo *) arg; SQLFunctionCachePtr fcache = (SQLFunctionCachePtr) flinfo->fn_extra; - HeapTuple func_tuple; - Form_pg_proc functup; - char *fn_name; int syntaxerrposition; - /* Need access to function's pg_proc tuple */ - func_tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(flinfo->fn_oid)); - if (!HeapTupleIsValid(func_tuple)) - return; /* shouldn't happen */ - functup = (Form_pg_proc) GETSTRUCT(func_tuple); - fn_name = NameStr(functup->proname); + /* + * We can do nothing useful if init_sql_fcache() didn't get as far as + * saving the function name + */ + if (fcache == NULL || fcache->fname == NULL) + return; /* * If there is a syntax error position, convert to internal syntax error */ syntaxerrposition = geterrposition(); - if (syntaxerrposition > 0) + if (syntaxerrposition > 0 && fcache->src != NULL) { - bool isnull; - Datum tmp; - char *prosrc; - - tmp = SysCacheGetAttr(PROCOID, func_tuple, Anum_pg_proc_prosrc, - &isnull); - if (isnull) - elog(ERROR, "null prosrc"); - prosrc = TextDatumGetCString(tmp); errposition(0); internalerrposition(syntaxerrposition); - internalerrquery(prosrc); - pfree(prosrc); + internalerrquery(fcache->src); } /* @@ -917,7 +909,7 @@ sql_exec_error_callback(void *arg) * ExecutorEnd are blamed on the appropriate query; see postquel_start and * postquel_end.) */ - if (fcache) + if (fcache->func_state) { execution_state *es; int query_num; @@ -929,7 +921,7 @@ sql_exec_error_callback(void *arg) if (es->qd) { errcontext("SQL function \"%s\" statement %d", - fn_name, query_num); + fcache->fname, query_num); break; } es = es->next; @@ -941,16 +933,18 @@ sql_exec_error_callback(void *arg) * couldn't identify a running query; might be function entry, * function exit, or between queries. */ - errcontext("SQL function \"%s\"", fn_name); + errcontext("SQL function \"%s\"", fcache->fname); } } else { - /* must have failed during init_sql_fcache() */ - errcontext("SQL function \"%s\" during startup", fn_name); + /* + * Assume we failed during init_sql_fcache(). (It's possible that + * the function actually has an empty body, but in that case we may + * as well report all errors as being "during startup".) + */ + errcontext("SQL function \"%s\" during startup", fcache->fname); } - - ReleaseSysCache(func_tuple); } |