文件操作 - copy.h
返回文件管理
返回主菜单
删除本文件
文件: /usr/include/pgsql/server/commands/copy.h
编辑文件内容
/*------------------------------------------------------------------------- * * copy.h * Definitions for using the POSTGRES copy command. * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/commands/copy.h * *------------------------------------------------------------------------- */ #ifndef COPY_H #define COPY_H #include "nodes/execnodes.h" #include "nodes/parsenodes.h" #include "tcop/dest.h" /* CopyStateData is private in commands/copy.c */ typedef struct CopyStateData *CopyState; extern uint64 DoCopy(const CopyStmt *stmt, const char *queryString); extern void ProcessCopyOptions(CopyState cstate, bool is_from, List *options); extern CopyState BeginCopyFrom(Relation rel, const char *filename, List *attnamelist, List *options); extern void EndCopyFrom(CopyState cstate); extern bool NextCopyFrom(CopyState cstate, ExprContext *econtext, Datum *values, bool *nulls, Oid *tupleOid); extern bool NextCopyFromRawFields(CopyState cstate, char ***fields, int *nfields); extern void CopyFromErrorCallback(void *arg); extern DestReceiver *CreateCopyDestReceiver(void); #endif /* COPY_H */
修改文件时间
将文件时间修改为当前时间的前一年
删除文件