greenplumn pgtypes_interval 源码
greenplumn pgtypes_interval 代码
文件路径：/src/interfaces/ecpg/include/pgtypes_interval.h
/* src/interfaces/ecpg/include/pgtypes_interval.h */
#ifndef PGTYPES_INTERVAL
#define PGTYPES_INTERVAL
#include <ecpg_config.h>
#include <pgtypes.h>
#ifndef C_H
#ifdef HAVE_LONG_INT_64
#ifndef HAVE_INT64
typedef long int int64;
#endif
#elif defined(HAVE_LONG_LONG_INT_64)
#ifndef HAVE_INT64
typedef long long int int64;
#endif
#else
/* neither HAVE_LONG_INT_64 nor HAVE_LONG_LONG_INT_64 */
#error must have a working 64-bit integer datatype
#endif
#define HAVE_INT64_TIMESTAMP
#endif /* C_H */
typedef struct
{
int64 time; /* all time units other than months and years */
long month; /* months and years, after time for alignment */
} interval;
#ifdef __cplusplus
extern "C"
{
#endif
extern interval * PGTYPESinterval_new(void);
extern void PGTYPESinterval_free(interval *);
extern interval * PGTYPESinterval_from_asc(char *, char **);
extern char *PGTYPESinterval_to_asc(interval *);
extern int PGTYPESinterval_copy(interval *, interval *);
#ifdef __cplusplus
}
#endif
#endif /* PGTYPES_INTERVAL */
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