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gh-79097: Add support for aggregate window functions in sqlite3 (GH-20903)

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Erlend Egeberg Aasland 2022-04-12 02:55:59 +02:00 • committed by GitHub
parent f45aa8f304
commit 9ebcece82f
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10 changed files with 477 additions and 13 deletions
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53
Modules/_sqlite/clinic/connection.c.h generated
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@ -235,6 +235,53 @@ exit:
return return_value;
}
#if defined(HAVE_WINDOW_FUNCTIONS)
PyDoc_STRVAR(create_window_function__doc__,
"create_window_function($self, name, num_params, aggregate_class, /)\n"
"--\n"
"\n"
"Creates or redefines an aggregate window function. Non-standard.\n"
"\n"
" name\n"
" The name of the SQL aggregate window function to be created or\n"
" redefined.\n"
" num_params\n"
" The number of arguments the step and inverse methods takes.\n"
" aggregate_class\n"
" A class with step(), finalize(), value(), and inverse() methods.\n"
" Set to None to clear the window function.");
#define CREATE_WINDOW_FUNCTION_METHODDEF \
{"create_window_function", (PyCFunction)(void(*)(void))create_window_function, METH_METHOD|METH_FASTCALL|METH_KEYWORDS, create_window_function__doc__},
static PyObject *
create_window_function_impl(pysqlite_Connection *self, PyTypeObject *cls,
const char *name, int num_params,
PyObject *aggregate_class);
static PyObject *
create_window_function(pysqlite_Connection *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
static const char * const _keywords[] = {"", "", "", NULL};
static _PyArg_Parser _parser = {"siO:create_window_function", _keywords, 0};
const char *name;
int num_params;
PyObject *aggregate_class;
if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
&name, &num_params, &aggregate_class)) {
goto exit;
}
return_value = create_window_function_impl(self, cls, name, num_params, aggregate_class);
exit:
return return_value;
}
#endif /* defined(HAVE_WINDOW_FUNCTIONS) */
PyDoc_STRVAR(pysqlite_connection_create_aggregate__doc__,
"create_aggregate($self, /, name, n_arg, aggregate_class)\n"
"--\n"
@ -975,6 +1022,10 @@ exit:
return return_value;
}
#ifndef CREATE_WINDOW_FUNCTION_METHODDEF
#define CREATE_WINDOW_FUNCTION_METHODDEF
#endif /* !defined(CREATE_WINDOW_FUNCTION_METHODDEF) */
#ifndef PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF
#define PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF
#endif /* !defined(PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF) */
@ -990,4 +1041,4 @@ exit:
#ifndef DESERIALIZE_METHODDEF
#define DESERIALIZE_METHODDEF
#endif /* !defined(DESERIALIZE_METHODDEF) */
/*[clinic end generated code: output=d965a68f9229a56c input=a9049054013a1b77]*/
/*[clinic end generated code: output=b9af1b52fda808bf input=a9049054013a1b77]*/