plpy_planobject.c File Reference

#include "postgres.h"
#include "plpy_cursorobject.h"
#include "plpy_planobject.h"
#include "plpy_spi.h"
#include "plpy_util.h"
#include "utils/memutils.h"

Include dependency graph for plpy_planobject.c:

Go to the source code of this file.

Functions
static void	PLy_plan_dealloc (PLyPlanObject *self)
static PyObject *	PLy_plan_cursor (PyObject *self, PyObject *args)
static PyObject *	PLy_plan_execute (PyObject *self, PyObject *args)
static PyObject *	PLy_plan_status (PyObject *self, PyObject *args)
void	PLy_plan_init_type (void)
PyObject *	PLy_plan_new (void)
bool	is_PLyPlanObject (PyObject *ob)

Variables
static char	PLy_plan_doc [] = "Store a PostgreSQL plan"
static PyMethodDef	PLy_plan_methods []
static PyType_Slot	PLyPlan_slots []
static PyType_Spec	PLyPlan_spec
static PyTypeObject *	PLy_PlanType

Function Documentation

is_PLyPlanObject()

bool is_PLyPlanObject

(

PyObject *

ob

)

Definition at line 85 of file plpy_planobject.c.

{
    return ob->ob_type == PLy_PlanType;
}

References PLy_PlanType.

Referenced by PLy_spi_execute().

PLy_plan_cursor()

static PyObject * PLy_plan_cursor ( PyObject *  self, PyObject *  args  )

static

Definition at line 117 of file plpy_planobject.c.

{
    PyObject   *planargs = NULL;
 
    if (!PyArg_ParseTuple(args, "|O", &planargs))
        return NULL;
 
    return PLy_cursor_plan(self, planargs);
}

References generate_unaccent_rules::args, and PLy_cursor_plan().

PLy_plan_dealloc()

static void PLy_plan_dealloc ( PLyPlanObject *  self )

static

Definition at line 91 of file plpy_planobject.c.

{
#if PY_VERSION_HEX >= 0x03080000
    PyTypeObject *tp = Py_TYPE(self);
#endif
 
    if (self->plan)
    {
        SPI_freeplan(self->plan);
        self->plan = NULL;
    }
    if (self->mcxt)
    {
        MemoryContextDelete(self->mcxt);
        self->mcxt = NULL;
    }
 
    PyObject_Free(self);
#if PY_VERSION_HEX >= 0x03080000
    /* This was not needed before Python 3.8 (Python issue 35810) */
    Py_DECREF(tp);
#endif
}

References PLyPlanObject::mcxt, MemoryContextDelete(), PLyPlanObject::plan, and SPI_freeplan().

PLy_plan_execute()

static PyObject * PLy_plan_execute ( PyObject *  self, PyObject *  args  )

static

Definition at line 129 of file plpy_planobject.c.

{
    PyObject   *list = NULL;
    long        limit = 0;
 
    if (!PyArg_ParseTuple(args, "|Ol", &list, &limit))
        return NULL;
 
    return PLy_spi_execute_plan(self, list, limit);
}

References generate_unaccent_rules::args, sort-test::list, and PLy_spi_execute_plan().

PLy_plan_init_type()

void PLy_plan_init_type

(

void

)

Definition at line 56 of file plpy_planobject.c.

{
    PLy_PlanType = (PyTypeObject *) PyType_FromSpec(&PLyPlan_spec);
    if (!PLy_PlanType)
        elog(ERROR, "could not initialize PLy_PlanType");
}

References elog, ERROR, PLy_PlanType, and PLyPlan_spec.

Referenced by PLy_init_plpy().

PLy_plan_new()

PyObject * PLy_plan_new

(

void

)

Definition at line 64 of file plpy_planobject.c.

{
    PLyPlanObject *ob;
 
    if ((ob = PyObject_New(PLyPlanObject, PLy_PlanType)) == NULL)
        return NULL;
#if PY_VERSION_HEX < 0x03080000
    /* Workaround for Python issue 35810; no longer necessary in Python 3.8 */
    Py_INCREF(PLy_PlanType);
#endif
 
    ob->plan = NULL;
    ob->nargs = 0;
    ob->types = NULL;
    ob->args = NULL;
    ob->mcxt = NULL;
 
    return (PyObject *) ob;
}

References PLyPlanObject::args, PLyPlanObject::mcxt, PLyPlanObject::nargs, PLyPlanObject::plan, PLy_PlanType, and PLyPlanObject::types.

Referenced by PLy_spi_prepare().

PLy_plan_status()

static PyObject * PLy_plan_status ( PyObject *  self, PyObject *  args  )

static

Definition at line 142 of file plpy_planobject.c.

{
    if (PyArg_ParseTuple(args, ":status"))
    {
        Py_INCREF(Py_True);
        return Py_True;
        /* return PyLong_FromLong(self->status); */
    }
    return NULL;
}

References generate_unaccent_rules::args.

Variable Documentation

PLy_plan_doc

char PLy_plan_doc[] = "Store a PostgreSQL plan"

static

Definition at line 20 of file plpy_planobject.c.

PLy_plan_methods

PyMethodDef PLy_plan_methods[]

static

Initial value:

= {
    {"cursor", PLy_plan_cursor, METH_VARARGS, NULL},
    {"execute", PLy_plan_execute, METH_VARARGS, NULL},
    {"status", PLy_plan_status, METH_VARARGS, NULL},
    {NULL, NULL, 0, NULL}
}

Definition at line 22 of file plpy_planobject.c.

PLy_PlanType

PyTypeObject* PLy_PlanType

static

Definition at line 53 of file plpy_planobject.c.

Referenced by is_PLyPlanObject(), PLy_plan_init_type(), and PLy_plan_new().

PLyPlan_slots

PyType_Slot PLyPlan_slots[]

static

Initial value:

=
{
    {
        Py_tp_dealloc, PLy_plan_dealloc
    },
    {
        Py_tp_doc, (char *) PLy_plan_doc
    },
    {
        Py_tp_methods, PLy_plan_methods
    },
    {
        0, NULL
    }
}

Definition at line 29 of file plpy_planobject.c.

PLyPlan_spec

PyType_Spec PLyPlan_spec

static

Initial value:

=
{
    .name = "PLyPlan",
        .basicsize = sizeof(PLyPlanObject),
        .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
        .slots = PLyPlan_slots,
}

Definition at line 45 of file plpy_planobject.c.

Referenced by PLy_plan_init_type().