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Allow pltcl args to spi_prepare and plpython args to plpy.prepare to be standard type aliases as well as those known in pg_type. Similar to recent change in plperl.

This commit is contained in:
Andrew Dunstan 2007-02-21 03:27:32 +00:00
parent 80ab3e0d34
commit afc7e0d848
3 changed files with 32 additions and 29 deletions
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5
doc/src/sgml/pltcl.sgml
View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.45 2007/02/01 00:28:17 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.46 2007/02/21 03:27:31 adunstan Exp $ -->
<chapter id="pltcl">
<title>PL/Tcl - Tcl Procedural Language</title>
@ -331,9 +331,6 @@ spi_exec -array C "SELECT * FROM pg_class" {
If the query uses parameters, the names of the parameter types
must be given as a Tcl list. (Write an empty list for
<replaceable>typelist</replaceable> if no parameters are used.)
Presently, the parameter types must be identified by the internal
type names shown in the system table <literal>pg_type</>; for example <literal>int4</> not
<literal>integer</>.
</para>
<para>
The return value from <function>spi_prepare</function> is a query ID

29
src/pl/plpython/plpython.c
View File

@ -1,7 +1,7 @@
/**********************************************************************
* plpython.c - python as a procedural language for PostgreSQL
*
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.95 2007/02/09 03:35:35 tgl Exp $
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.96 2007/02/21 03:27:32 adunstan Exp $
*
*********************************************************************
*/
@ -2309,27 +2309,34 @@ PLy_spi_prepare(PyObject * self, PyObject * args)
for (i = 0; i < nargs; i++)
{
char *sptr;
List *names;
HeapTuple typeTup;
Oid typeId;
int32 typmod;
Form_pg_type typeStruct;
optr = PySequence_GetItem(list, i);
if (!PyString_Check(optr))
elog(ERROR, "Type names must be strings.");
sptr = PyString_AsString(optr);
/********************************************************
* Resolve argument type names and then look them up by
* oid in the system cache, and remember the required
*information for input conversion.
********************************************************/
parseTypeString(sptr, &typeId, &typmod);
typeTup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(typeId),
0,0,0);
if (!HeapTupleIsValid(typeTup))
elog(ERROR, "cache lookup failed for type %u", typeId);
/*
* Parse possibly-qualified type name and look it up in
* pg_type
*/
names = stringToQualifiedNameList(sptr,
"PLy_spi_prepare");
typeTup = typenameType(NULL,
makeTypeNameFromNameList(names));
Py_DECREF(optr);
optr = NULL; /* this is important */
plan->types[i] = HeapTupleGetOid(typeTup);
plan->types[i] = typeId;
typeStruct = (Form_pg_type) GETSTRUCT(typeTup);
if (typeStruct->typtype != 'c')
PLy_output_datum_func(&plan->args[i], typeTup);

27
src/pl/tcl/pltcl.c
View File

@ -2,7 +2,7 @@
* pltcl.c - PostgreSQL support for Tcl as
* procedural language (PL)
*
* $PostgreSQL: pgsql/src/pl/tcl/pltcl.c,v 1.110 2007/02/09 03:35:35 tgl Exp $
* $PostgreSQL: pgsql/src/pl/tcl/pltcl.c,v 1.111 2007/02/21 03:27:32 adunstan Exp $
*
**********************************************************************/
@ -1808,23 +1808,22 @@ pltcl_SPI_prepare(ClientData cdata, Tcl_Interp *interp,
PG_TRY();
{
/************************************************************
* Lookup the argument types by name in the system cache
* and remember the required information for input conversion
* Resolve argument type names and then look them up by oid
* in the system cache, and remember the required information
* for input conversion.
************************************************************/
for (i = 0; i < nargs; i++)
{
List *names;
HeapTuple typeTup;
Oid typId, typInput, typIOParam;
int32 typmod;
/* Parse possibly-qualified type name and look it up in pg_type */
names = stringToQualifiedNameList(args[i],
"pltcl_SPI_prepare");
typeTup = typenameType(NULL, makeTypeNameFromNameList(names));
qdesc->argtypes[i] = HeapTupleGetOid(typeTup);
perm_fmgr_info(((Form_pg_type) GETSTRUCT(typeTup))->typinput,
&(qdesc->arginfuncs[i]));
qdesc->argtypioparams[i] = getTypeIOParam(typeTup);
ReleaseSysCache(typeTup);
parseTypeString(args[i], &typId, &typmod);
getTypeInputInfo(typId, &typInput, &typIOParam);
qdesc->argtypes[i] = typId;
perm_fmgr_info(typInput, &(qdesc->arginfuncs[i]));
qdesc->argtypioparams[i] = typIOParam;
}
/************************************************************