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/*-------------------------------------------------------------------------
*
* pg_backup.h
*
* Public interface to the pg_dump archiver routines.
*
* See the headers to pg_restore for more details.
*
* Copyright (c) 2000, Philip Warner
* Rights are granted to use this software in any way so long
* as this notice is not removed.
*
* The author is not responsible for loss or damages that may
* result from it's use.
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.50 2009/02/26 16:02:37 petere Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PG_BACKUP_H
#define PG_BACKUP_H
#include "postgres_fe.h"
#include "pg_dump.h"
#include "libpq-fe.h"
#define atooid(x) ((Oid) strtoul((x), NULL, 10))
#define oidcmp(x,y) ( ((x) < (y) ? -1 : ((x) > (y)) ? 1 : 0) )
#define oideq(x,y) ( (x) == (y) )
#define oidle(x,y) ( (x) <= (y) )
#define oidge(x,y) ( (x) >= (y) )
#define oidzero(x) ( (x) == 0 )
enum trivalue
{
TRI_DEFAULT,
TRI_NO,
TRI_YES
};
typedef enum _archiveFormat
{
archUnknown = 0,
archCustom = 1,
archFiles = 2,
archTar = 3,
archNull = 4
} ArchiveFormat;
typedef enum _archiveMode
{
archModeAppend,
archModeWrite,
archModeRead
} ArchiveMode;
typedef enum _teSection
{
SECTION_NONE = 1, /* COMMENTs, ACLs, etc; can be anywhere */
SECTION_PRE_DATA, /* stuff to be processed before data */
SECTION_DATA, /* TABLE DATA, BLOBS, BLOB COMMENTS */
SECTION_POST_DATA /* stuff to be processed after data */
} teSection;
/*
* We may want to have some more user-readable data, but in the mean
* time this gives us some abstraction and type checking.
*/
typedef struct _Archive
{
int verbose;
char *remoteVersionStr; /* server's version string */
int remoteVersion; /* same in numeric form */
int minRemoteVersion; /* allowable range */
int maxRemoteVersion;
/* info needed for string escaping */
int encoding; /* libpq code for client_encoding */
bool std_strings; /* standard_conforming_strings */
/* error handling */
bool exit_on_error; /* whether to exit on SQL errors... */
int n_errors; /* number of errors (if no die) */
/* The rest is private */
} Archive;
typedef int (*DataDumperPtr) (Archive *AH, void *userArg);
typedef struct _restoreOptions
{
int create; /* Issue commands to create the database */
int noOwner; /* Don't try to match original object owner */
int noTablespace; /* Don't issue tablespace-related commands */
int disable_triggers; /* disable triggers during data-only
* restore */
int use_setsessauth;/* Use SET SESSION AUTHORIZATION commands
* instead of OWNER TO */
char *superuser; /* Username to use as superuser */
char *use_role; /* Issue SET ROLE to this */
int dataOnly;
int dropSchema;
char *filename;
int schemaOnly;
int verbose;
int aclsSkip;
int tocSummary;
char *tocFile;
int format;
char *formatName;
int selTypes;
int selIndex;
int selFunction;
int selTrigger;
int selTable;
char *indexNames;
char *functionNames;
char *tableNames;
char *schemaNames;
char *triggerNames;
int useDB;
char *dbname;
char *pgport;
char *pghost;
char *username;
int noDataForFailedTables;
enum trivalue promptPassword;
int exit_on_error;
int compression;
int suppressDumpWarnings; /* Suppress output of WARNING entries
* to stderr */
bool single_txn;
int number_of_threads;
bool *idWanted; /* array showing which dump IDs to emit */
} RestoreOptions;
/*
* Main archiver interface.
*/
extern void
exit_horribly(Archive *AH, const char *modulename, const char *fmt,...)
__attribute__((format(printf, 3, 4)));
/* Lets the archive know we have a DB connection to shutdown if it dies */
PGconn *ConnectDatabase(Archive *AH,
const char *dbname,
const char *pghost,
const char *pgport,
const char *username,
enum trivalue prompt_password);
/* Called to add a TOC entry */
extern void ArchiveEntry(Archive *AHX,
CatalogId catalogId, DumpId dumpId,
const char *tag,
const char *namespace, const char *tablespace,
const char *owner, bool withOids,
const char *desc, teSection section,
const char *defn,
const char *dropStmt, const char *copyStmt,
const DumpId *deps, int nDeps,
DataDumperPtr dumpFn, void *dumpArg);
/* Called to write *data* to the archive */
extern size_t WriteData(Archive *AH, const void *data, size_t dLen);
extern int StartBlob(Archive *AH, Oid oid);
extern int EndBlob(Archive *AH, Oid oid);
extern void CloseArchive(Archive *AH);
extern void RestoreArchive(Archive *AH, RestoreOptions *ropt);
/* Open an existing archive */
extern Archive *OpenArchive(const char *FileSpec, const ArchiveFormat fmt);
/* Create a new archive */
extern Archive *CreateArchive(const char *FileSpec, const ArchiveFormat fmt,
const int compression, ArchiveMode mode);
/* The --list option */
extern void PrintTOCSummary(Archive *AH, RestoreOptions *ropt);
extern RestoreOptions *NewRestoreOptions(void);
/* Rearrange and filter TOC entries */
extern void SortTocFromFile(Archive *AHX, RestoreOptions *ropt);
extern void InitDummyWantedList(Archive *AHX, RestoreOptions *ropt);
/* Convenience functions used only when writing DATA */
extern int archputs(const char *s, Archive *AH);
extern int
archprintf(Archive *AH, const char *fmt,...)
/* This extension allows gcc to check the format string */
__attribute__((format(printf, 2, 3)));
#define appendStringLiteralAH(buf,str,AH) \
appendStringLiteral(buf, str, (AH)->encoding, (AH)->std_strings)
#endif /* PG_BACKUP_H */