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bpo-45243: Add support for setting/getting sqlite3 connection limits (GH-28463)

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Erlend Egeberg Aasland 2021-11-01 23:50:53 +01:00 • committed by GitHub
parent e2063d6a1e
commit b6b38a8226
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7 changed files with 228 additions and 1 deletions
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79
Modules/_sqlite/clinic/connection.c.h
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@ -750,6 +750,83 @@ exit:
return return_value;
}
PyDoc_STRVAR(setlimit__doc__,
"setlimit($self, category, limit, /)\n"
"--\n"
"\n"
"Set connection run-time limits.\n"
"\n"
" category\n"
" The limit category to be set.\n"
" limit\n"
" The new limit. If the new limit is a negative number, the limit is\n"
" unchanged.\n"
"\n"
"Attempts to increase a limit above its hard upper bound are silently truncated\n"
"to the hard upper bound. Regardless of whether or not the limit was changed,\n"
"the prior value of the limit is returned.");
#define SETLIMIT_METHODDEF \
{"setlimit", (PyCFunction)(void(*)(void))setlimit, METH_FASTCALL, setlimit__doc__},
static PyObject *
setlimit_impl(pysqlite_Connection *self, int category, int limit);
static PyObject *
setlimit(pysqlite_Connection *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int category;
int limit;
if (!_PyArg_CheckPositional("setlimit", nargs, 2, 2)) {
goto exit;
}
category = _PyLong_AsInt(args[0]);
if (category == -1 && PyErr_Occurred()) {
goto exit;
}
limit = _PyLong_AsInt(args[1]);
if (limit == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = setlimit_impl(self, category, limit);
exit:
return return_value;
}
PyDoc_STRVAR(getlimit__doc__,
"getlimit($self, category, /)\n"
"--\n"
"\n"
"Get connection run-time limits.\n"
"\n"
" category\n"
" The limit category to be queried.");
#define GETLIMIT_METHODDEF \
{"getlimit", (PyCFunction)getlimit, METH_O, getlimit__doc__},
static PyObject *
getlimit_impl(pysqlite_Connection *self, int category);
static PyObject *
getlimit(pysqlite_Connection *self, PyObject *arg)
{
PyObject *return_value = NULL;
int category;
category = _PyLong_AsInt(arg);
if (category == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = getlimit_impl(self, category);
exit:
return return_value;
}
#ifndef PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF
#define PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF
#endif /* !defined(PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF) */
@ -757,4 +834,4 @@ exit:
#ifndef PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF
#define PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF
#endif /* !defined(PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF) */
/*[clinic end generated code: output=7567e5d716309258 input=a9049054013a1b77]*/
/*[clinic end generated code: output=0c3901153a3837a5 input=a9049054013a1b77]*/