ltree_plpython.c

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#include "postgres.h"
#include "fmgr.h"
#include "plpython.h"
#include "ltree.h"

PG_MODULE_MAGIC;


PG_FUNCTION_INFO_V1(ltree_to_plpython);

Datum
ltree_to_plpython(PG_FUNCTION_ARGS)
{
    ltree      *in = PG_GETARG_LTREE(0);
    int         i;
    PyObject   *list;
    ltree_level *curlevel;

    list = PyList_New(in->numlevel);

    curlevel = LTREE_FIRST(in);
    for (i = 0; i < in->numlevel; i++)
    {
        PyList_SetItem(list, i, PyString_FromStringAndSize(curlevel->name, curlevel->len));
        curlevel = LEVEL_NEXT(curlevel);
    }

    PG_FREE_IF_COPY(in, 0);

    return PointerGetDatum(list);
}