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Commitef19dc6

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Set up PLPerl trigger data using C code instead of Perl code.
This is an efficiency change, and means we now no longer have to run"out $_TD; local $_TD = shift;", which was especially pointless in the case ofnon-trigger functions where the passed value was always undef anyway.A tiny open issue is whether we should get rid of the $prolog argument ofmkfunc, and the corresponding pushed value, which is now just a constant "false".Tim Bunce, reviewed by Alex Hunsaker.
1 parent5273f21 commitef19dc6

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1 file changed

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‎src/pl/plperl/plperl.c

Lines changed: 11 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1422,7 +1422,7 @@ plperl_create_sub(plperl_proc_desc *prodesc, char *s, Oid fn_oid)
14221422
EXTEND(SP,4);
14231423
PUSHs(sv_2mortal(newSVstring(subname)));
14241424
PUSHs(sv_2mortal(newRV_noinc((SV*)pragma_hv)));
1425-
PUSHs(sv_2mortal(newSVstring("our $_TD; local $_TD=shift;")));
1425+
PUSHs(&PL_sv_no);/* XXX is $prolog in mkfunc needed any more? */
14261426
PUSHs(sv_2mortal(newSVstring(s)));
14271427
PUTBACK;
14281428

@@ -1494,9 +1494,7 @@ plperl_call_perl_func(plperl_proc_desc *desc, FunctionCallInfo fcinfo)
14941494
SAVETMPS;
14951495

14961496
PUSHMARK(SP);
1497-
EXTEND(sp,1+desc->nargs);
1498-
1499-
PUSHs(&PL_sv_undef);/* no trigger data */
1497+
EXTEND(sp,desc->nargs);
15001498

15011499
for (i=0;i<desc->nargs;i++)
15021500
{
@@ -1576,21 +1574,22 @@ plperl_call_perl_trigger_func(plperl_proc_desc *desc, FunctionCallInfo fcinfo,
15761574
SV*td)
15771575
{
15781576
dSP;
1579-
SV*retval;
1580-
Trigger*tg_trigger;
1581-
inti;
1582-
intcount;
1577+
SV*retval,*TDsv;
1578+
inti,count;
1579+
Trigger*tg_trigger= ((TriggerData*)fcinfo->context)->tg_trigger;
15831580

15841581
ENTER;
15851582
SAVETMPS;
15861583

1587-
PUSHMARK(sp);
1584+
TDsv=get_sv("_TD",GV_ADD);
1585+
SAVESPTR(TDsv);/* local $_TD */
1586+
sv_setsv(TDsv,td);
15881587

1589-
XPUSHs(td);
1588+
PUSHMARK(sp);
1589+
EXTEND(sp,tg_trigger->tgnargs);
15901590

1591-
tg_trigger= ((TriggerData*)fcinfo->context)->tg_trigger;
15921591
for (i=0;i<tg_trigger->tgnargs;i++)
1593-
XPUSHs(sv_2mortal(newSVstring(tg_trigger->tgargs[i])));
1592+
PUSHs(sv_2mortal(newSVstring(tg_trigger->tgargs[i])));
15941593
PUTBACK;
15951594

15961595
/* Do NOT use G_KEEPERR here */

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