src/include/commands/copy.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * copy.h
   4  *        Definitions for using the POSTGRES copy command.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/commands/copy.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef COPY_H
  15 #define COPY_H
  16
  17 #include "nodes/execnodes.h"
  18 #include "nodes/parsenodes.h"
  19 #include "tcop/dest.h"
  20
  21 /* CopyStateData is private in commands/copy.c */
  22 typedef struct CopyStateData *CopyState;
  23
  24 extern uint64 DoCopy(const CopyStmt *stmt, const char *queryString);
  25
  26 extern void ProcessCopyOptions(CopyState cstate, bool is_from, List *options);
  27 extern CopyState BeginCopyFrom(Relation rel, const char *filename,
  28                           List *attnamelist, List *options);
  29 extern void EndCopyFrom(CopyState cstate);
  30 extern bool NextCopyFrom(CopyState cstate, ExprContext *econtext,
  31                          Datum *values, bool *nulls, Oid *tupleOid);
  32 extern bool NextCopyFromRawFields(CopyState cstate,
  33                                           char ***fields, int *nfields);
  34 extern void CopyFromErrorCallback(void *arg);
  35
  36 extern DestReceiver *CreateCopyDestReceiver(void);
  37
  38 #endif   /* COPY_H */