greenplumn plpy_elog 源码
greenplumn plpy_elog 代码
文件路径：/src/pl/plpython/plpy_elog.h
/*
* src/pl/plpython/plpy_elog.h
*/
#ifndef PLPY_ELOG_H
#define PLPY_ELOG_H
#include "plpython.h"
/* global exception classes */
extern PyObject *PLy_exc_error;
extern PyObject *PLy_exc_fatal;
extern PyObject *PLy_exc_spi_error;
/*
* PLy_elog()
*
* See comments at elog() about the compiler hinting.
*/
#ifdef HAVE__BUILTIN_CONSTANT_P
#define PLy_elog(elevel, ...) \
do { \
PLy_elog_impl(elevel, __VA_ARGS__); \
if (__builtin_constant_p(elevel) && (elevel) >= ERROR) \
pg_unreachable(); \
} while(0)
#else /* !HAVE__BUILTIN_CONSTANT_P */
#define PLy_elog(elevel, ...) \
do { \
const int elevel_ = (elevel); \
PLy_elog_impl(elevel_, __VA_ARGS__); \
if (elevel_ >= ERROR) \
pg_unreachable(); \
} while(0)
#endif /* HAVE__BUILTIN_CONSTANT_P */
extern void PLy_elog_impl(int elevel, const char *fmt,...) pg_attribute_printf(2, 3);
extern void PLy_exception_set(PyObject *exc, const char *fmt,...) pg_attribute_printf(2, 3);
extern void PLy_exception_set_plural(PyObject *exc, const char *fmt_singular, const char *fmt_plural,
unsigned long n,...) pg_attribute_printf(2, 5) pg_attribute_printf(3, 5);
extern void PLy_exception_set_with_details(PyObject *excclass, ErrorData *edata);
#endif /* PLPY_ELOG_H */
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