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Code

Done. In backend/commands/define.c unused field is set to '-' for the

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moment.

A patch for CVS is attached, and I have amended my BLOB dumping version
appropriately.

Philip Warner
This commit is contained in:
Bruce Momjian 2000-07-11 13:07:17 +00:00
parent 793704d71e
commit 0d32cdc38e
2 changed files with 215 additions and 199 deletions
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386
src/bin/pg_dump/pg_backup_archiver.h
View File

@ -1,193 +1,193 @@
/*-------------------------------------------------------------------------
*
* pg_backup_archiver.h
*
* Private interface to the pg_dump archiver routines.
* It is NOT intended that these routines be called by any
* dumper directly.
*
* 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
*
* Modifications - 28-Jun-2000 - pjw@rhyme.com.au
*
* Initial version.
*
*-------------------------------------------------------------------------
*/
#ifndef __PG_BACKUP_ARCHIVE__
#define __PG_BACKUP_ARCHIVE__
#include <stdio.h>
#ifdef HAVE_LIBZ
#include <zlib.h>
#define GZCLOSE(fh) gzclose(fh)
#define GZWRITE(p, s, n, fh) gzwrite(fh, p, n * s)
#define GZREAD(p, s, n, fh) gzread(fh, p, n * s)
#else
#define GZCLOSE(fh) fclose(fh)
#define GZWRITE(p, s, n, fh) fwrite(p, s, n, fh)
#define GZREAD(p, s, n, fh) fread(p, s, n, fh)
#define Z_DEFAULT_COMPRESSION -1
typedef struct _z_stream {
void *next_in;
void *next_out;
int avail_in;
int avail_out;
} z_stream;
typedef z_stream *z_streamp;
#endif
#include "pg_backup.h"
#define K_VERS_MAJOR 1
#define K_VERS_MINOR 2
#define K_VERS_REV 1
/* Some important version numbers (checked in code) */
#define K_VERS_1_0 (( (1 * 256 + 0) * 256 + 0) * 256 + 0)
#define K_VERS_1_2 (( (1 * 256 + 2) * 256 + 0) * 256 + 0)
#define K_VERS_MAX (( (1 * 256 + 2) * 256 + 255) * 256 + 0)
struct _archiveHandle;
struct _tocEntry;
struct _restoreList;
typedef void (*ClosePtr) (struct _archiveHandle* AH);
typedef void (*ArchiveEntryPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*StartDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef int (*WriteDataPtr) (struct _archiveHandle* AH, const void* data, int dLen);
typedef void (*EndDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef int (*WriteBytePtr) (struct _archiveHandle* AH, const int i);
typedef int (*ReadBytePtr) (struct _archiveHandle* AH);
typedef int (*WriteBufPtr) (struct _archiveHandle* AH, const void* c, int len);
typedef int (*ReadBufPtr) (struct _archiveHandle* AH, void* buf, int len);
typedef void (*SaveArchivePtr) (struct _archiveHandle* AH);
typedef void (*WriteExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*ReadExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*PrintExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*PrintTocDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te,
RestoreOptions *ropt);
typedef int (*TocSortCompareFn) (const void* te1, const void *te2);
typedef enum _archiveMode {
archModeWrite,
archModeRead
} ArchiveMode;
typedef struct _outputContext {
void *OF;
int gzOut;
} OutputContext;
typedef struct _archiveHandle {
char vmaj; /* Version of file */
char vmin;
char vrev;
int version; /* Conveniently formatted version */
int intSize; /* Size of an integer in the archive */
ArchiveFormat format; /* Archive format */
int readHeader; /* Used if file header has been read already */
ArchiveEntryPtr ArchiveEntryPtr; /* Called for each metadata object */
StartDataPtr StartDataPtr; /* Called when table data is about to be dumped */
WriteDataPtr WriteDataPtr; /* Called to send some table data to the archive */
EndDataPtr EndDataPtr; /* Called when table data dump is finished */
WriteBytePtr WriteBytePtr; /* Write a byte to output */
ReadBytePtr ReadBytePtr; /* */
WriteBufPtr WriteBufPtr;
ReadBufPtr ReadBufPtr;
ClosePtr ClosePtr; /* Close the archive */
WriteExtraTocPtr WriteExtraTocPtr; /* Write extra TOC entry data associated with */
/* the current archive format */
ReadExtraTocPtr ReadExtraTocPtr; /* Read extr info associated with archie format */
PrintExtraTocPtr PrintExtraTocPtr; /* Extra TOC info for format */
PrintTocDataPtr PrintTocDataPtr;
int lastID; /* Last internal ID for a TOC entry */
char* fSpec; /* Archive File Spec */
FILE *FH; /* General purpose file handle */
void *OF;
int gzOut; /* Output file */
struct _tocEntry* toc; /* List of TOC entries */
int tocCount; /* Number of TOC entries */
struct _tocEntry* currToc; /* Used when dumping data */
char *currUser; /* Restore: current username in script */
int compression; /* Compression requested on open */
ArchiveMode mode; /* File mode - r or w */
void* formatData; /* Header data specific to file format */
} ArchiveHandle;
typedef struct _tocEntry {
struct _tocEntry* prev;
struct _tocEntry* next;
int id;
int hadDumper; /* Archiver was passed a dumper routine (used in restore) */
char* oid;
int oidVal;
char* name;
char* desc;
char* defn;
char* dropStmt;
char* owner;
char** depOid;
int printed; /* Indicates if entry defn has been dumped */
DataDumperPtr dataDumper; /* Routine to dump data for object */
void* dataDumperArg; /* Arg for above routine */
void* formatData; /* TOC Entry data specific to file format */
int _moved; /* Marker used when rearranging TOC */
} TocEntry;
extern void die_horribly(const char *fmt, ...);
extern void WriteTOC(ArchiveHandle* AH);
extern void ReadTOC(ArchiveHandle* AH);
extern void WriteHead(ArchiveHandle* AH);
extern void ReadHead(ArchiveHandle* AH);
extern void WriteToc(ArchiveHandle* AH);
extern void ReadToc(ArchiveHandle* AH);
extern void WriteDataChunks(ArchiveHandle* AH);
extern int TocIDRequired(ArchiveHandle* AH, int id, RestoreOptions *ropt);
/*
* Mandatory routines for each supported format
*/
extern int WriteInt(ArchiveHandle* AH, int i);
extern int ReadInt(ArchiveHandle* AH);
extern char* ReadStr(ArchiveHandle* AH);
extern int WriteStr(ArchiveHandle* AH, char* s);
extern void InitArchiveFmt_Custom(ArchiveHandle* AH);
extern void InitArchiveFmt_Files(ArchiveHandle* AH);
extern void InitArchiveFmt_PlainText(ArchiveHandle* AH);
extern OutputContext SetOutput(ArchiveHandle* AH, char *filename, int compression);
extern void ResetOutput(ArchiveHandle* AH, OutputContext savedContext);
int ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle* AH);
int ahprintf(ArchiveHandle* AH, const char *fmt, ...);
#endif
/*-------------------------------------------------------------------------
*
* pg_backup_archiver.h
*
* Private interface to the pg_dump archiver routines.
* It is NOT intended that these routines be called by any
* dumper directly.
*
* 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
*
* Modifications - 28-Jun-2000 - pjw@rhyme.com.au
*
* Initial version.
*
*-------------------------------------------------------------------------
*/
#ifndef __PG_BACKUP_ARCHIVE__
#define __PG_BACKUP_ARCHIVE__
#include <stdio.h>
#ifdef HAVE_LIBZ
#include <zlib.h>
#define GZCLOSE(fh) gzclose(fh)
#define GZWRITE(p, s, n, fh) gzwrite(fh, p, n * s)
#define GZREAD(p, s, n, fh) gzread(fh, p, n * s)
#else
#define GZCLOSE(fh) fclose(fh)
#define GZWRITE(p, s, n, fh) fwrite(p, s, n, fh)
#define GZREAD(p, s, n, fh) fread(p, s, n, fh)
#define Z_DEFAULT_COMPRESSION -1
typedef struct _z_stream {
void *next_in;
void *next_out;
int avail_in;
int avail_out;
} z_stream;
typedef z_stream *z_streamp;
#endif
#include "pg_backup.h"
#define K_VERS_MAJOR 1
#define K_VERS_MINOR 2
#define K_VERS_REV 2
/* Some important version numbers (checked in code) */
#define K_VERS_1_0 (( (1 * 256 + 0) * 256 + 0) * 256 + 0)
#define K_VERS_1_2 (( (1 * 256 + 2) * 256 + 0) * 256 + 0)
#define K_VERS_MAX (( (1 * 256 + 2) * 256 + 255) * 256 + 0)
struct _archiveHandle;
struct _tocEntry;
struct _restoreList;
typedef void (*ClosePtr) (struct _archiveHandle* AH);
typedef void (*ArchiveEntryPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*StartDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef int (*WriteDataPtr) (struct _archiveHandle* AH, const void* data, int dLen);
typedef void (*EndDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef int (*WriteBytePtr) (struct _archiveHandle* AH, const int i);
typedef int (*ReadBytePtr) (struct _archiveHandle* AH);
typedef int (*WriteBufPtr) (struct _archiveHandle* AH, const void* c, int len);
typedef int (*ReadBufPtr) (struct _archiveHandle* AH, void* buf, int len);
typedef void (*SaveArchivePtr) (struct _archiveHandle* AH);
typedef void (*WriteExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*ReadExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*PrintExtraTocPtr) (struct _archiveHandle* AH, struct _tocEntry* te);
typedef void (*PrintTocDataPtr) (struct _archiveHandle* AH, struct _tocEntry* te,
RestoreOptions *ropt);
typedef int (*TocSortCompareFn) (const void* te1, const void *te2);
typedef enum _archiveMode {
archModeWrite,
archModeRead
} ArchiveMode;
typedef struct _outputContext {
void *OF;
int gzOut;
} OutputContext;
typedef struct _archiveHandle {
char vmaj; /* Version of file */
char vmin;
char vrev;
int version; /* Conveniently formatted version */
int intSize; /* Size of an integer in the archive */
ArchiveFormat format; /* Archive format */
int readHeader; /* Used if file header has been read already */
ArchiveEntryPtr ArchiveEntryPtr; /* Called for each metadata object */
StartDataPtr StartDataPtr; /* Called when table data is about to be dumped */
WriteDataPtr WriteDataPtr; /* Called to send some table data to the archive */
EndDataPtr EndDataPtr; /* Called when table data dump is finished */
WriteBytePtr WriteBytePtr; /* Write a byte to output */
ReadBytePtr ReadBytePtr; /* */
WriteBufPtr WriteBufPtr;
ReadBufPtr ReadBufPtr;
ClosePtr ClosePtr; /* Close the archive */
WriteExtraTocPtr WriteExtraTocPtr; /* Write extra TOC entry data associated with */
/* the current archive format */
ReadExtraTocPtr ReadExtraTocPtr; /* Read extr info associated with archie format */
PrintExtraTocPtr PrintExtraTocPtr; /* Extra TOC info for format */
PrintTocDataPtr PrintTocDataPtr;
int lastID; /* Last internal ID for a TOC entry */
char* fSpec; /* Archive File Spec */
FILE *FH; /* General purpose file handle */
void *OF;
int gzOut; /* Output file */
struct _tocEntry* toc; /* List of TOC entries */
int tocCount; /* Number of TOC entries */
struct _tocEntry* currToc; /* Used when dumping data */
char *currUser; /* Restore: current username in script */
int compression; /* Compression requested on open */
ArchiveMode mode; /* File mode - r or w */
void* formatData; /* Header data specific to file format */
} ArchiveHandle;
typedef struct _tocEntry {
struct _tocEntry* prev;
struct _tocEntry* next;
int id;
int hadDumper; /* Archiver was passed a dumper routine (used in restore) */
char* oid;
int oidVal;
char* name;
char* desc;
char* defn;
char* dropStmt;
char* owner;
char** depOid;
int printed; /* Indicates if entry defn has been dumped */
DataDumperPtr dataDumper; /* Routine to dump data for object */
void* dataDumperArg; /* Arg for above routine */
void* formatData; /* TOC Entry data specific to file format */
int _moved; /* Marker used when rearranging TOC */
} TocEntry;
extern void die_horribly(const char *fmt, ...);
extern void WriteTOC(ArchiveHandle* AH);
extern void ReadTOC(ArchiveHandle* AH);
extern void WriteHead(ArchiveHandle* AH);
extern void ReadHead(ArchiveHandle* AH);
extern void WriteToc(ArchiveHandle* AH);
extern void ReadToc(ArchiveHandle* AH);
extern void WriteDataChunks(ArchiveHandle* AH);
extern int TocIDRequired(ArchiveHandle* AH, int id, RestoreOptions *ropt);
/*
* Mandatory routines for each supported format
*/
extern int WriteInt(ArchiveHandle* AH, int i);
extern int ReadInt(ArchiveHandle* AH);
extern char* ReadStr(ArchiveHandle* AH);
extern int WriteStr(ArchiveHandle* AH, char* s);
extern void InitArchiveFmt_Custom(ArchiveHandle* AH);
extern void InitArchiveFmt_Files(ArchiveHandle* AH);
extern void InitArchiveFmt_PlainText(ArchiveHandle* AH);
extern OutputContext SetOutput(ArchiveHandle* AH, char *filename, int compression);
extern void ResetOutput(ArchiveHandle* AH, OutputContext savedContext);
int ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle* AH);
int ahprintf(ArchiveHandle* AH, const char *fmt, ...);
#endif

28
src/bin/pg_dump/pg_dump.c
View File

@ -22,7 +22,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.157 2000/07/06 18:39:39 wieck Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.158 2000/07/11 13:07:17 momjian Exp $
*
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
*
@ -2684,8 +2684,8 @@ dumpOneFunc(Archive *fout, FuncInfo *finfo, int i,
PQExpBuffer fn = createPQExpBuffer();
PQExpBuffer delqry = createPQExpBuffer();
PQExpBuffer fnlist = createPQExpBuffer();
PQExpBuffer asPart = createPQExpBuffer();
int j;
char *func_def;
char func_lang[NAMEDATALEN + 1];
PGresult *res;
int nlangs;
@ -2717,8 +2717,24 @@ dumpOneFunc(Archive *fout, FuncInfo *finfo, int i,
}
i_lanname = PQfnumber(res, "lanname");
func_def = finfo[i].prosrc;
/*
* See backend/commands/define.c for details of how the 'AS' clause
* is used.
*/
if (strcmp(finfo[i].probin, "-") != 0)
{
if (strcmp(finfo[i].prosrc, "-") != 0)
appendPQExpBuffer(asPart, "AS '%s', '%s'", finfo[i].probin, finfo[i].prosrc);
else
appendPQExpBuffer(asPart, "AS '%s'", finfo[i].probin);
}
else
{
if (strcmp(finfo[i].prosrc, "-") != 0)
appendPQExpBuffer(asPart, "AS '%s'", finfo[i].prosrc);
}
strcpy(func_lang, PQgetvalue(res, 0, i_lanname));
PQclear(res);
@ -2744,10 +2760,10 @@ dumpOneFunc(Archive *fout, FuncInfo *finfo, int i,
resetPQExpBuffer(q);
appendPQExpBuffer(q, "CREATE FUNCTION %s ", fn->data );
appendPQExpBuffer(q, "RETURNS %s%s AS '%s' LANGUAGE '%s';\n",
appendPQExpBuffer(q, "RETURNS %s%s %s LANGUAGE '%s';\n",
(finfo[i].retset) ? " SETOF " : "",
fmtId(findTypeByOid(tinfo, numTypes, finfo[i].prorettype), false),
func_def, func_lang);
asPart->data, func_lang);
ArchiveEntry(fout, finfo[i].oid, fn->data, "FUNCTION", NULL, q->data, delqry->data,
finfo[i].usename, NULL, NULL);