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Factor out duplicate code for computing values of PLpgSQL_datum items.

Browse Source 
This is to help localize the changes needed for adding a new kind of
PLpgSQL_datum (like, say, an array element...)
This commit is contained in:
Tom Lane 2003-03-25 00:34:24 +00:00
parent 6ba159f9cf
commit 316c5cbfd3
4 changed files with 171 additions and 355 deletions
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6
src/pl/plpgsql/src/pl_comp.c
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.54 2003/01/31 00:31:53 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.55 2003/03/25 00:34:23 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -696,7 +696,7 @@ plpgsql_parse_dblword(char *word)
new = malloc(sizeof(PLpgSQL_recfield));
new->dtype = PLPGSQL_DTYPE_RECFIELD;
new->fieldname = strdup(cp[1]);
new->recno = ns->itemno;
new->recparentno = ns->itemno;
plpgsql_adddatum((PLpgSQL_datum *) new);
@ -799,7 +799,7 @@ plpgsql_parse_tripword(char *word)
new = malloc(sizeof(PLpgSQL_recfield));
new->dtype = PLPGSQL_DTYPE_RECFIELD;
new->fieldname = strdup(cp[2]);
new->recno = ns->itemno;
new->recparentno = ns->itemno;
plpgsql_adddatum((PLpgSQL_datum *) new);

502
src/pl/plpgsql/src/pl_exec.c
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.81 2003/03/09 02:19:13 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.82 2003/03/25 00:34:23 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -130,6 +130,12 @@ static void exec_assign_expr(PLpgSQL_execstate * estate,
static void exec_assign_value(PLpgSQL_execstate * estate,
PLpgSQL_datum * target,
Datum value, Oid valtype, bool *isNull);
static void exec_eval_datum(PLpgSQL_execstate *estate,
PLpgSQL_datum *datum,
Oid expectedtypeid,
Oid *typeid,
Datum *value,
bool *isnull);
static Datum exec_eval_expr(PLpgSQL_execstate * estate,
PLpgSQL_expr * expr,
bool *isNull,
@ -1766,6 +1772,9 @@ exec_init_tuple_store(PLpgSQL_execstate * estate)
static int
exec_stmt_raise(PLpgSQL_execstate * estate, PLpgSQL_stmt_raise * stmt)
{
Oid paramtypeid;
Datum paramvalue;
bool paramisnull;
HeapTuple typetup;
Form_pg_type typeStruct;
FmgrInfo finfo_output;
@ -1774,10 +1783,6 @@ exec_stmt_raise(PLpgSQL_execstate * estate, PLpgSQL_stmt_raise * stmt)
char c[2] = {0, 0};
char *cp;
PLpgSQL_dstring ds;
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
int fno;
plpgsql_dstring_init(&ds);
@ -1804,83 +1809,31 @@ exec_stmt_raise(PLpgSQL_execstate * estate, PLpgSQL_stmt_raise * stmt)
plpgsql_dstring_append(&ds, c);
continue;
}
switch (estate->datums[stmt->params[pidx]]->dtype)
exec_eval_datum(estate, estate->datums[stmt->params[pidx]],
InvalidOid,
&paramtypeid, &paramvalue, &paramisnull);
if (paramisnull)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *)
(estate->datums[stmt->params[pidx]]);
if (var->isnull)
extval = "<NULL>";
else
{
typetup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(var->datatype->typoid),
0, 0, 0);
if (!HeapTupleIsValid(typetup))
elog(ERROR, "cache lookup for type %u failed",
var->datatype->typoid);
typeStruct = (Form_pg_type) GETSTRUCT(typetup);
fmgr_info(typeStruct->typoutput, &finfo_output);
extval = DatumGetCString(FunctionCall3(&finfo_output,
var->value,
ObjectIdGetDatum(typeStruct->typelem),
Int32GetDatum(var->datatype->atttypmod)));
ReleaseSysCache(typetup);
}
plpgsql_dstring_append(&ds, extval);
break;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *)
(estate->datums[stmt->params[pidx]]);
rec = (PLpgSQL_rec *)
(estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
extval = "<NULL>";
else
{
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
extval = SPI_getvalue(rec->tup, rec->tupdesc, fno);
if (extval == NULL)
extval = "<NULL>";
}
plpgsql_dstring_append(&ds, extval);
break;
case PLPGSQL_DTYPE_TRIGARG:
{
PLpgSQL_trigarg *trigarg;
int value;
Oid valtype;
bool valisnull = false;
trigarg = (PLpgSQL_trigarg *)
(estate->datums[stmt->params[pidx]]);
value = (int) exec_eval_expr(estate, trigarg->argnum,
&valisnull, &valtype);
exec_eval_cleanup(estate);
if (valisnull)
extval = "<INDEX_IS_NULL>";
else
{
if (value < 0 || value >= estate->trig_nargs)
extval = "<OUT_OF_RANGE>";
else
extval = DatumGetCString(DirectFunctionCall1(textout,
estate->trig_argv[value]));
}
plpgsql_dstring_append(&ds, extval);
}
break;
default:
c[0] = '?';
plpgsql_dstring_append(&ds, c);
break;
extval = "<NULL>";
}
else
{
typetup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(paramtypeid),
0, 0, 0);
if (!HeapTupleIsValid(typetup))
elog(ERROR, "cache lookup for type %u failed",
paramtypeid);
typeStruct = (Form_pg_type) GETSTRUCT(typetup);
fmgr_info(typeStruct->typoutput, &finfo_output);
extval = DatumGetCString(FunctionCall3(&finfo_output,
paramvalue,
ObjectIdGetDatum(typeStruct->typelem),
Int32GetDatum(-1)));
ReleaseSysCache(typetup);
}
plpgsql_dstring_append(&ds, extval);
pidx++;
continue;
}
@ -1985,11 +1938,7 @@ static void
exec_prepare_plan(PLpgSQL_execstate * estate,
PLpgSQL_expr * expr)
{
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
int i;
int fno;
_SPI_plan *spi_plan;
void *plan;
Oid *argtypes;
@ -2004,33 +1953,12 @@ exec_prepare_plan(PLpgSQL_execstate * estate,
for (i = 0; i < expr->nparams; i++)
{
switch (estate->datums[expr->params[i]]->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) (estate->datums[expr->params[i]]);
argtypes[i] = var->datatype->typoid;
break;
Datum paramval;
bool paramisnull;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) (estate->datums[expr->params[i]]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
argtypes[i] = SPI_gettypeid(rec->tupdesc, fno);
break;
case PLPGSQL_DTYPE_TRIGARG:
argtypes[i] = (Oid) TEXTOID;
break;
default:
elog(ERROR, "unknown parameter dtype %d in exec_run_select()",
estate->datums[expr->params[i]]->dtype);
}
exec_eval_datum(estate, estate->datums[expr->params[i]],
InvalidOid,
&argtypes[i], &paramval, &paramisnull);
}
/*
@ -2059,19 +1987,11 @@ static int
exec_stmt_execsql(PLpgSQL_execstate * estate,
PLpgSQL_stmt_execsql * stmt)
{
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
PLpgSQL_trigarg *trigarg;
int tgargno;
Oid tgargoid;
int fno;
int i;
Datum *values;
char *nulls;
int rc;
PLpgSQL_expr *expr = stmt->sqlstmt;
bool isnull;
/*
* On the first call for this expression generate the plan
@ -2087,59 +2007,17 @@ exec_stmt_execsql(PLpgSQL_execstate * estate,
for (i = 0; i < expr->nparams; i++)
{
switch (estate->datums[expr->params[i]]->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) (estate->datums[expr->params[i]]);
values[i] = var->value;
if (var->isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
PLpgSQL_datum *datum = estate->datums[expr->params[i]];
Oid paramtypeid;
bool paramisnull;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) (estate->datums[expr->params[i]]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
if (expr->plan_argtypes[i] != SPI_gettypeid(rec->tupdesc, fno))
elog(ERROR, "type of %s.%s doesn't match that when preparing the plan", rec->refname, recfield->fieldname);
values[i] = SPI_getbinval(rec->tup, rec->tupdesc, fno, &isnull);
if (isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
case PLPGSQL_DTYPE_TRIGARG:
trigarg = (PLpgSQL_trigarg *) (estate->datums[expr->params[i]]);
tgargno = (int) exec_eval_expr(estate, trigarg->argnum,
&isnull, &tgargoid);
exec_eval_cleanup(estate);
if (isnull || tgargno < 0 || tgargno >= estate->trig_nargs)
{
values[i] = 0;
nulls[i] = 'n';
}
else
{
values[i] = estate->trig_argv[tgargno];
nulls[i] = ' ';
}
break;
default:
elog(ERROR, "unknown parameter dtype %d in exec_stmt_execsql()", estate->datums[expr->params[i]]->dtype);
}
exec_eval_datum(estate, datum, expr->plan_argtypes[i],
&paramtypeid, &values[i], &paramisnull);
if (paramisnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
}
nulls[i] = '\0';
/*
* Execute the plan
@ -2485,17 +2363,9 @@ exec_stmt_open(PLpgSQL_execstate * estate, PLpgSQL_stmt_open * stmt)
char *curname = NULL;
PLpgSQL_expr *query = NULL;
Portal portal;
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
PLpgSQL_trigarg *trigarg;
int tgargno;
Oid tgargoid;
int i;
Datum *values;
char *nulls;
int fno;
bool isnull;
@ -2654,60 +2524,17 @@ exec_stmt_open(PLpgSQL_execstate * estate, PLpgSQL_stmt_open * stmt)
for (i = 0; i < query->nparams; i++)
{
switch (estate->datums[query->params[i]]->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) (estate->datums[query->params[i]]);
values[i] = var->value;
if (var->isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
PLpgSQL_datum *datum = estate->datums[query->params[i]];
Oid paramtypeid;
bool paramisnull;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) (estate->datums[query->params[i]]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
if (query->plan_argtypes[i] != SPI_gettypeid(rec->tupdesc, fno))
elog(ERROR, "type of %s.%s doesn't match that when preparing the plan", rec->refname, recfield->fieldname);
values[i] = SPI_getbinval(rec->tup, rec->tupdesc, fno, &isnull);
if (isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
case PLPGSQL_DTYPE_TRIGARG:
trigarg = (PLpgSQL_trigarg *) (estate->datums[query->params[i]]);
tgargno = (int) exec_eval_expr(estate, trigarg->argnum,
&isnull, &tgargoid);
exec_eval_cleanup(estate);
if (isnull || tgargno < 0 || tgargno >= estate->trig_nargs)
{
values[i] = 0;
nulls[i] = 'n';
}
else
{
values[i] = estate->trig_argv[tgargno];
nulls[i] = ' ';
}
break;
default:
elog(ERROR, "unknown parameter dtype %d in exec_stmt_open()",
estate->datums[query->params[i]]->dtype);
}
exec_eval_datum(estate, datum, query->plan_argtypes[i],
&paramtypeid, &values[i], &paramisnull);
if (paramisnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
}
nulls[i] = '\0';
/* ----------
* Open the cursor
@ -2892,7 +2719,7 @@ exec_assign_value(PLpgSQL_execstate * estate,
case PLPGSQL_DTYPE_VAR:
/*
* Target field is a variable
* Target is a variable
*/
var = (PLpgSQL_var *) target;
@ -2936,10 +2763,10 @@ exec_assign_value(PLpgSQL_execstate * estate,
case PLPGSQL_DTYPE_RECFIELD:
/*
* Target field is a record
* Target is a field of a record
*/
recfield = (PLpgSQL_recfield *) target;
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recparentno]);
/*
* Check that there is already a tuple in the record. We need
@ -3035,6 +2862,89 @@ exec_assign_value(PLpgSQL_execstate * estate,
}
}
/*
* exec_eval_datum Get current value of a PLpgSQL_datum
*
* The type oid, value in Datum format, and null flag are returned.
*
* If expectedtypeid isn't InvalidOid, it is checked against the actual type.
*
* This obviously only handles scalar datums (not whole records or rows);
* at present it doesn't need to handle PLpgSQL_expr datums, either.
*
* NOTE: caller must not modify the returned value, since it points right
* at the stored value in the case of pass-by-reference datatypes.
*/
static void
exec_eval_datum(PLpgSQL_execstate *estate,
PLpgSQL_datum *datum,
Oid expectedtypeid,
Oid *typeid,
Datum *value,
bool *isnull)
{
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
PLpgSQL_trigarg *trigarg;
int tgargno;
Oid tgargoid;
int fno;
switch (datum->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) datum;
*typeid = var->datatype->typoid;
*value = var->value;
*isnull = var->isnull;
if (expectedtypeid != InvalidOid && expectedtypeid != *typeid)
elog(ERROR, "type of %s doesn't match that when preparing the plan",
var->refname);
break;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) datum;
rec = (PLpgSQL_rec *) (estate->datums[recfield->recparentno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"",
rec->refname, recfield->fieldname);
*typeid = SPI_gettypeid(rec->tupdesc, fno);
*value = SPI_getbinval(rec->tup, rec->tupdesc, fno, isnull);
if (expectedtypeid != InvalidOid && expectedtypeid != *typeid)
elog(ERROR, "type of %s.%s doesn't match that when preparing the plan",
rec->refname, recfield->fieldname);
break;
case PLPGSQL_DTYPE_TRIGARG:
trigarg = (PLpgSQL_trigarg *) datum;
*typeid = TEXTOID;
tgargno = (int) exec_eval_expr(estate, trigarg->argnum,
isnull, &tgargoid);
exec_eval_cleanup(estate);
if (*isnull || tgargno < 0 || tgargno >= estate->trig_nargs)
{
*value = (Datum) 0;
*isnull = true;
}
else
{
*value = estate->trig_argv[tgargno];
*isnull = false;
}
if (expectedtypeid != InvalidOid && expectedtypeid != *typeid)
elog(ERROR, "type of tgargv[%d] doesn't match that when preparing the plan",
tgargno);
break;
default:
elog(ERROR, "unknown datum dtype %d in exec_eval_datum()",
datum->dtype);
}
}
/* ----------
* exec_eval_expr Evaluate an expression and return
@ -3103,18 +3013,10 @@ static int
exec_run_select(PLpgSQL_execstate * estate,
PLpgSQL_expr * expr, int maxtuples, Portal *portalP)
{
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
PLpgSQL_trigarg *trigarg;
int tgargno;
Oid tgargoid;
int i;
Datum *values;
char *nulls;
int rc;
int fno;
bool isnull;
/*
* On the first call for this expression generate the plan
@ -3130,60 +3032,17 @@ exec_run_select(PLpgSQL_execstate * estate,
for (i = 0; i < expr->nparams; i++)
{
switch (estate->datums[expr->params[i]]->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) (estate->datums[expr->params[i]]);
values[i] = var->value;
if (var->isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
PLpgSQL_datum *datum = estate->datums[expr->params[i]];
Oid paramtypeid;
bool paramisnull;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) (estate->datums[expr->params[i]]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
if (expr->plan_argtypes[i] != SPI_gettypeid(rec->tupdesc, fno))
elog(ERROR, "type of %s.%s doesn't match that when preparing the plan", rec->refname, recfield->fieldname);
values[i] = SPI_getbinval(rec->tup, rec->tupdesc, fno, &isnull);
if (isnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
break;
case PLPGSQL_DTYPE_TRIGARG:
trigarg = (PLpgSQL_trigarg *) (estate->datums[expr->params[i]]);
tgargno = (int) exec_eval_expr(estate, trigarg->argnum,
&isnull, &tgargoid);
exec_eval_cleanup(estate);
if (isnull || tgargno < 0 || tgargno >= estate->trig_nargs)
{
values[i] = 0;
nulls[i] = 'n';
}
else
{
values[i] = estate->trig_argv[tgargno];
nulls[i] = ' ';
}
break;
default:
elog(ERROR, "unknown parameter dtype %d in exec_eval_expr()",
estate->datums[expr->params[i]]->dtype);
}
exec_eval_datum(estate, datum, expr->plan_argtypes[i],
&paramtypeid, &values[i], &paramisnull);
if (paramisnull)
nulls[i] = 'n';
else
nulls[i] = ' ';
}
nulls[i] = '\0';
/*
* If a portal was requested, put the query into the portal
@ -3231,15 +3090,7 @@ exec_eval_simple_expr(PLpgSQL_execstate * estate,
Oid *rettype)
{
Datum retval;
PLpgSQL_var *var;
PLpgSQL_rec *rec;
PLpgSQL_recfield *recfield;
PLpgSQL_trigarg *trigarg;
int tgargno;
Oid tgargoid;
int fno;
int i;
bool isnull;
ExprContext *econtext;
ParamListInfo paramLI;
@ -3264,54 +3115,13 @@ exec_eval_simple_expr(PLpgSQL_execstate * estate,
*/
for (i = 0; i < expr->nparams; i++, paramLI++)
{
PLpgSQL_datum *datum = estate->datums[expr->params[i]];
Oid paramtypeid;
paramLI->kind = PARAM_NUM;
paramLI->id = i + 1;
switch (estate->datums[expr->params[i]]->dtype)
{
case PLPGSQL_DTYPE_VAR:
var = (PLpgSQL_var *) (estate->datums[expr->params[i]]);
paramLI->isnull = var->isnull;
paramLI->value = var->value;
break;
case PLPGSQL_DTYPE_RECFIELD:
recfield = (PLpgSQL_recfield *) (estate->datums[expr->params[i]]);
rec = (PLpgSQL_rec *) (estate->datums[recfield->recno]);
if (!HeapTupleIsValid(rec->tup))
elog(ERROR, "record \"%s\" is unassigned yet", rec->refname);
fno = SPI_fnumber(rec->tupdesc, recfield->fieldname);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "record \"%s\" has no field named \"%s\"", rec->refname, recfield->fieldname);
if (expr->plan_argtypes[i] != SPI_gettypeid(rec->tupdesc, fno))
elog(ERROR, "type of %s.%s doesn't match that when preparing the plan", rec->refname, recfield->fieldname);
paramLI->value = SPI_getbinval(rec->tup, rec->tupdesc, fno, &isnull);
paramLI->isnull = isnull;
break;
case PLPGSQL_DTYPE_TRIGARG:
trigarg = (PLpgSQL_trigarg *) (estate->datums[expr->params[i]]);
tgargno = (int) exec_eval_expr(estate, trigarg->argnum,
&isnull, &tgargoid);
exec_eval_cleanup(estate);
if (isnull || tgargno < 0 || tgargno >= estate->trig_nargs)
{
paramLI->value = 0;
paramLI->isnull = TRUE;
}
else
{
paramLI->value = estate->trig_argv[tgargno];
paramLI->isnull = FALSE;
}
break;
default:
elog(ERROR, "unknown parameter dtype %d in exec_eval_simple_expr()", estate->datums[expr->params[i]]->dtype);
}
exec_eval_datum(estate, datum, expr->plan_argtypes[i],
&paramtypeid, &paramLI->value, &paramLI->isnull);
}
paramLI->kind = PARAM_INVALID;

6
src/pl/plpgsql/src/pl_funcs.c
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.23 2002/09/05 00:43:07 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.24 2003/03/25 00:34:23 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -1019,7 +1019,9 @@ plpgsql_dumptree(PLpgSQL_function * func)
printf("REC %s\n", ((PLpgSQL_rec *) d)->refname);
break;
case PLPGSQL_DTYPE_RECFIELD:
printf("RECFIELD %-16s of REC %d\n", ((PLpgSQL_recfield *) d)->fieldname, ((PLpgSQL_recfield *) d)->recno);
printf("RECFIELD %-16s of REC %d\n",
((PLpgSQL_recfield *) d)->fieldname,
((PLpgSQL_recfield *) d)->recparentno);
break;
case PLPGSQL_DTYPE_TRIGARG:
printf("TRIGARG ");

12
src/pl/plpgsql/src/plpgsql.h
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/plpgsql.h,v 1.31 2002/12/15 16:17:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/plpgsql.h,v 1.32 2003/03/25 00:34:24 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -152,6 +152,10 @@ typedef struct
} PLpgSQL_type;
/*
* PLpgSQL_datum is the common supertype for PLpgSQL_expr, PLpgSQL_var,
* PLpgSQL_row, PLpgSQL_rec, PLpgSQL_recfield, PLpgSQL_trigarg
*/
typedef struct
{ /* Generic datum array item */
int dtype;
@ -209,7 +213,7 @@ typedef struct
typedef struct
{ /* Record of undefined structure */
{ /* Record of non-fixed structure */
int dtype;
int recno;
char *refname;
@ -223,11 +227,11 @@ typedef struct
typedef struct
{ /* Field in record */
{ /* Field in record */
int dtype;
int rfno;
char *fieldname;
int recno;
int recparentno; /* recno of parent record */
} PLpgSQL_recfield;