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pg_backup_archiver.h
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1 /*-------------------------------------------------------------------------
2  *
3  * pg_backup_archiver.h
4  *
5  * Private interface to the pg_dump archiver routines.
6  * It is NOT intended that these routines be called by any
7  * dumper directly.
8  *
9  * See the headers to pg_restore for more details.
10  *
11  * Copyright (c) 2000, Philip Warner
12  * Rights are granted to use this software in any way so long
13  * as this notice is not removed.
14  *
15  * The author is not responsible for loss or damages that may
16  * result from its use.
17  *
18  *
19  * IDENTIFICATION
20  * src/bin/pg_dump/pg_backup_archiver.h
21  *
22  *-------------------------------------------------------------------------
23  */
24 #ifndef __PG_BACKUP_ARCHIVE__
25 #define __PG_BACKUP_ARCHIVE__
26 
27 
28 #include <time.h>
29 
30 #include "pg_backup.h"
31 
32 #include "libpq-fe.h"
33 #include "pqexpbuffer.h"
34 
35 #define LOBBUFSIZE 16384
36 
37 /*
38  * Note: zlib.h must be included *after* libpq-fe.h, because the latter may
39  * include ssl.h, which has a naming conflict with zlib.h.
40  */
41 #ifdef HAVE_LIBZ
42 #include <zlib.h>
43 #define GZCLOSE(fh) gzclose(fh)
44 #define GZWRITE(p, s, n, fh) gzwrite(fh, p, (n) * (s))
45 #define GZREAD(p, s, n, fh) gzread(fh, p, (n) * (s))
46 #define GZEOF(fh) gzeof(fh)
47 #else
48 #define GZCLOSE(fh) fclose(fh)
49 #define GZWRITE(p, s, n, fh) (fwrite(p, s, n, fh) * (s))
50 #define GZREAD(p, s, n, fh) fread(p, s, n, fh)
51 #define GZEOF(fh) feof(fh)
52 /* this is just the redefinition of a libz constant */
53 #define Z_DEFAULT_COMPRESSION (-1)
54 
55 typedef struct _z_stream
56 {
57  void *next_in;
58  void *next_out;
59  size_t avail_in;
60  size_t avail_out;
61 } z_stream;
63 #endif
64 
65 /* Data block types */
66 #define BLK_DATA 1
67 #define BLK_BLOBS 3
68 
69 /* Encode version components into a convenient integer <maj><min><rev> */
70 #define MAKE_ARCHIVE_VERSION(major, minor, rev) (((major) * 256 + (minor)) * 256 + (rev))
71 
72 #define ARCHIVE_MAJOR(version) (((version) >> 16) & 255)
73 #define ARCHIVE_MINOR(version) (((version) >> 8) & 255)
74 #define ARCHIVE_REV(version) (((version) ) & 255)
75 
76 /* Historical version numbers (checked in code) */
77 #define K_VERS_1_0 MAKE_ARCHIVE_VERSION(1, 0, 0)
78 #define K_VERS_1_2 MAKE_ARCHIVE_VERSION(1, 2, 0) /* Allow No ZLIB */
79 #define K_VERS_1_3 MAKE_ARCHIVE_VERSION(1, 3, 0) /* BLOBs */
80 #define K_VERS_1_4 MAKE_ARCHIVE_VERSION(1, 4, 0) /* Date & name in header */
81 #define K_VERS_1_5 MAKE_ARCHIVE_VERSION(1, 5, 0) /* Handle dependencies */
82 #define K_VERS_1_6 MAKE_ARCHIVE_VERSION(1, 6, 0) /* Schema field in TOCs */
83 #define K_VERS_1_7 MAKE_ARCHIVE_VERSION(1, 7, 0) /* File Offset size in
84  * header */
85 #define K_VERS_1_8 MAKE_ARCHIVE_VERSION(1, 8, 0) /* change interpretation
86  * of ID numbers and
87  * dependencies */
88 #define K_VERS_1_9 MAKE_ARCHIVE_VERSION(1, 9, 0) /* add default_with_oids
89  * tracking */
90 #define K_VERS_1_10 MAKE_ARCHIVE_VERSION(1, 10, 0) /* add tablespace */
91 #define K_VERS_1_11 MAKE_ARCHIVE_VERSION(1, 11, 0) /* add toc section
92  * indicator */
93 #define K_VERS_1_12 MAKE_ARCHIVE_VERSION(1, 12, 0) /* add separate BLOB
94  * entries */
95 #define K_VERS_1_13 MAKE_ARCHIVE_VERSION(1, 13, 0) /* change search_path
96  * behavior */
97 #define K_VERS_1_14 MAKE_ARCHIVE_VERSION(1, 14, 0) /* add tableam */
98 
99 /* Current archive version number (the format we can output) */
100 #define K_VERS_MAJOR 1
101 #define K_VERS_MINOR 14
102 #define K_VERS_REV 0
103 #define K_VERS_SELF MAKE_ARCHIVE_VERSION(K_VERS_MAJOR, K_VERS_MINOR, K_VERS_REV);
104 
105 /* Newest format we can read */
106 #define K_VERS_MAX MAKE_ARCHIVE_VERSION(K_VERS_MAJOR, K_VERS_MINOR, 255)
107 
108 
109 /* Flags to indicate disposition of offsets stored in files */
110 #define K_OFFSET_POS_NOT_SET 1
111 #define K_OFFSET_POS_SET 2
112 #define K_OFFSET_NO_DATA 3
113 
114 /*
115  * Special exit values from worker children. We reserve 0 for normal
116  * success; 1 and other small values should be interpreted as crashes.
117  */
118 #define WORKER_OK 0
119 #define WORKER_CREATE_DONE 10
120 #define WORKER_INHIBIT_DATA 11
121 #define WORKER_IGNORED_ERRORS 12
122 
124 typedef struct _tocEntry TocEntry;
125 struct ParallelState;
126 
127 #define READ_ERROR_EXIT(fd) \
128  do { \
129  if (feof(fd)) \
130  fatal("could not read from input file: end of file"); \
131  else \
132  fatal("could not read from input file: %m"); \
133  } while (0)
134 
135 #define WRITE_ERROR_EXIT \
136  do { \
137  fatal("could not write to output file: %m"); \
138  } while (0)
139 
140 typedef enum T_Action
141 {
144 } T_Action;
145 
146 typedef void (*ClosePtrType) (ArchiveHandle *AH);
147 typedef void (*ReopenPtrType) (ArchiveHandle *AH);
149 
150 typedef void (*StartDataPtrType) (ArchiveHandle *AH, TocEntry *te);
151 typedef void (*WriteDataPtrType) (ArchiveHandle *AH, const void *data, size_t dLen);
152 typedef void (*EndDataPtrType) (ArchiveHandle *AH, TocEntry *te);
153 
154 typedef void (*StartBlobsPtrType) (ArchiveHandle *AH, TocEntry *te);
155 typedef void (*StartBlobPtrType) (ArchiveHandle *AH, TocEntry *te, Oid oid);
156 typedef void (*EndBlobPtrType) (ArchiveHandle *AH, TocEntry *te, Oid oid);
157 typedef void (*EndBlobsPtrType) (ArchiveHandle *AH, TocEntry *te);
158 
159 typedef int (*WriteBytePtrType) (ArchiveHandle *AH, const int i);
160 typedef int (*ReadBytePtrType) (ArchiveHandle *AH);
161 typedef void (*WriteBufPtrType) (ArchiveHandle *AH, const void *c, size_t len);
162 typedef void (*ReadBufPtrType) (ArchiveHandle *AH, void *buf, size_t len);
167 
169 typedef void (*ClonePtrType) (ArchiveHandle *AH);
170 typedef void (*DeClonePtrType) (ArchiveHandle *AH);
171 
174 
175 typedef size_t (*CustomOutPtrType) (ArchiveHandle *AH, const void *buf, size_t len);
176 
177 typedef enum
178 {
179  SQL_SCAN = 0, /* normal */
180  SQL_IN_SINGLE_QUOTE, /* '...' literal */
181  SQL_IN_DOUBLE_QUOTE /* "..." identifier */
182 } sqlparseState;
183 
184 typedef struct
185 {
186  sqlparseState state; /* see above */
187  bool backSlash; /* next char is backslash quoted? */
188  PQExpBuffer curCmd; /* incomplete line (NULL if not created) */
189 } sqlparseInfo;
190 
191 typedef enum
192 {
197 } ArchiverStage;
198 
199 typedef enum
200 {
201  OUTPUT_SQLCMDS = 0, /* emitting general SQL commands */
202  OUTPUT_COPYDATA, /* writing COPY data */
203  OUTPUT_OTHERDATA /* writing data as INSERT commands */
205 
206 /*
207  * For historical reasons, ACL items are interspersed with everything else in
208  * a dump file's TOC; typically they're right after the object they're for.
209  * However, we need to restore data before ACLs, as otherwise a read-only
210  * table (ie one where the owner has revoked her own INSERT privilege) causes
211  * data restore failures. On the other hand, matview REFRESH commands should
212  * come out after ACLs, as otherwise non-superuser-owned matviews might not
213  * be able to execute. (If the permissions at the time of dumping would not
214  * allow a REFRESH, too bad; we won't fix that for you.) These considerations
215  * force us to make three passes over the TOC, restoring the appropriate
216  * subset of items in each pass. We assume that the dependency sort resulted
217  * in an appropriate ordering of items within each subset.
218  * XXX This mechanism should be superseded by tracking dependencies on ACLs
219  * properly; but we'll still need it for old dump files even after that.
220  */
221 typedef enum
222 {
223  RESTORE_PASS_MAIN = 0, /* Main pass (most TOC item types) */
224  RESTORE_PASS_ACL, /* ACL item types */
225  RESTORE_PASS_REFRESH /* Matview REFRESH items */
226 
227 #define RESTORE_PASS_LAST RESTORE_PASS_REFRESH
228 } RestorePass;
229 
230 typedef enum
231 {
232  REQ_SCHEMA = 0x01, /* want schema */
233  REQ_DATA = 0x02, /* want data */
234  REQ_SPECIAL = 0x04 /* for special TOC entries */
235 } teReqs;
236 
238 {
239  Archive public; /* Public part of archive */
240  int version; /* Version of file */
241 
242  char *archiveRemoteVersion; /* When reading an archive, the
243  * version of the dumped DB */
244  char *archiveDumpVersion; /* When reading an archive, the version of
245  * the dumper */
246 
247  size_t intSize; /* Size of an integer in the archive */
248  size_t offSize; /* Size of a file offset in the archive -
249  * Added V1.7 */
250  ArchiveFormat format; /* Archive format */
251 
252  sqlparseInfo sqlparse; /* state for parsing INSERT data */
253 
254  time_t createDate; /* Date archive created */
255 
256  /*
257  * Fields used when discovering header. A format can always get the
258  * previous read bytes from here...
259  */
260  int readHeader; /* Used if file header has been read already */
261  char *lookahead; /* Buffer used when reading header to discover
262  * format */
263  size_t lookaheadSize; /* Size of allocated buffer */
264  size_t lookaheadLen; /* Length of data in lookahead */
265  pgoff_t lookaheadPos; /* Current read position in lookahead buffer */
266 
267  ArchiveEntryPtrType ArchiveEntryPtr; /* Called for each metadata object */
268  StartDataPtrType StartDataPtr; /* Called when table data is about to be
269  * dumped */
270  WriteDataPtrType WriteDataPtr; /* Called to send some table data to the
271  * archive */
272  EndDataPtrType EndDataPtr; /* Called when table data dump is finished */
273  WriteBytePtrType WriteBytePtr; /* Write a byte to output */
274  ReadBytePtrType ReadBytePtr; /* Read a byte from an archive */
275  WriteBufPtrType WriteBufPtr; /* Write a buffer of output to the archive */
276  ReadBufPtrType ReadBufPtr; /* Read a buffer of input from the archive */
277  ClosePtrType ClosePtr; /* Close the archive */
278  ReopenPtrType ReopenPtr; /* Reopen the archive */
279  WriteExtraTocPtrType WriteExtraTocPtr; /* Write extra TOC entry data
280  * associated with the current
281  * archive format */
282  ReadExtraTocPtrType ReadExtraTocPtr; /* Read extra info associated with
283  * archive format */
284  PrintExtraTocPtrType PrintExtraTocPtr; /* Extra TOC info for format */
286 
291 
295 
297  ClonePtrType ClonePtr; /* Clone format-specific fields */
298  DeClonePtrType DeClonePtr; /* Clean up cloned fields */
299 
300  CustomOutPtrType CustomOutPtr; /* Alternative script output routine */
301 
302  /* Stuff for direct DB connection */
303  char *archdbname; /* DB name *read* from archive */
305  char *savedPassword; /* password for ropt->username, if known */
306  char *use_role;
308  /* If connCancel isn't NULL, SIGINT handler will send a cancel */
309  PGcancel *volatile connCancel;
310 
311  int connectToDB; /* Flag to indicate if direct DB connection is
312  * required */
313  ArchiverOutput outputKind; /* Flag for what we're currently writing */
314  bool pgCopyIn; /* Currently in libpq 'COPY IN' mode. */
315 
316  int loFd; /* BLOB fd */
317  int writingBlob; /* Flag */
318  int blobCount; /* # of blobs restored */
319 
320  char *fSpec; /* Archive File Spec */
321  FILE *FH; /* General purpose file handle */
322  void *OF;
323  int gzOut; /* Output file */
324 
325  struct _tocEntry *toc; /* Header of circular list of TOC entries */
326  int tocCount; /* Number of TOC entries */
327  DumpId maxDumpId; /* largest DumpId among all TOC entries */
328 
329  /* arrays created after the TOC list is complete: */
330  struct _tocEntry **tocsByDumpId; /* TOCs indexed by dumpId */
331  DumpId *tableDataId; /* TABLE DATA ids, indexed by table dumpId */
332 
333  struct _tocEntry *currToc; /* Used when dumping data */
334  int compression; /* Compression requested on open Possible
335  * values for compression: -1
336  * Z_DEFAULT_COMPRESSION 0 COMPRESSION_NONE
337  * 1-9 levels for gzip compression */
338  bool dosync; /* data requested to be synced on sight */
339  ArchiveMode mode; /* File mode - r or w */
340  void *formatData; /* Header data specific to file format */
341 
342  /* these vars track state to avoid sending redundant SET commands */
343  char *currUser; /* current username, or NULL if unknown */
344  char *currSchema; /* current schema, or NULL */
345  char *currTablespace; /* current tablespace, or NULL */
346  char *currTableAm; /* current table access method, or NULL */
347 
348  void *lo_buf;
349  size_t lo_buf_used;
350  size_t lo_buf_size;
351 
355  RestorePass restorePass; /* used only during parallel restore */
358 };
359 
360 struct _tocEntry
361 {
362  struct _tocEntry *prev;
363  struct _tocEntry *next;
367  bool hadDumper; /* Archiver was passed a dumper routine (used
368  * in restore) */
369  char *tag; /* index tag */
370  char *namespace; /* null or empty string if not in a schema */
371  char *tablespace; /* null if not in a tablespace; empty string
372  * means use database default */
373  char *tableam; /* table access method, only for TABLE tags */
374  char *owner;
375  char *desc;
376  char *defn;
377  char *dropStmt;
378  char *copyStmt;
379  DumpId *dependencies; /* dumpIds of objects this one depends on */
380  int nDeps; /* number of dependencies */
381 
382  DataDumperPtr dataDumper; /* Routine to dump data for object */
383  void *dataDumperArg; /* Arg for above routine */
384  void *formatData; /* TOC Entry data specific to file format */
385 
386  /* working state while dumping/restoring */
387  pgoff_t dataLength; /* item's data size; 0 if none or unknown */
388  teReqs reqs; /* do we need schema and/or data of object */
389  bool created; /* set for DATA member if TABLE was created */
390 
391  /* working state (needed only for parallel restore) */
392  struct _tocEntry *pending_prev; /* list links for pending-items list; */
393  struct _tocEntry *pending_next; /* NULL if not in that list */
394  int depCount; /* number of dependencies not yet restored */
395  DumpId *revDeps; /* dumpIds of objects depending on this one */
396  int nRevDeps; /* number of such dependencies */
397  DumpId *lockDeps; /* dumpIds of objects this one needs lock on */
398  int nLockDeps; /* number of such dependencies */
399 };
400 
401 extern int parallel_restore(ArchiveHandle *AH, TocEntry *te);
402 extern void on_exit_close_archive(Archive *AHX);
403 
404 extern void warn_or_exit_horribly(ArchiveHandle *AH, const char *fmt,...) pg_attribute_printf(2, 3);
405 
406 /* Options for ArchiveEntry */
407 typedef struct _archiveOpts
408 {
409  const char *tag;
410  const char *namespace;
411  const char *tablespace;
412  const char *tableam;
413  const char *owner;
414  const char *description;
416  const char *createStmt;
417  const char *dropStmt;
418  const char *copyStmt;
419  const DumpId *deps;
420  int nDeps;
422  void *dumpArg;
423 } ArchiveOpts;
424 #define ARCHIVE_OPTS(...) &(ArchiveOpts){__VA_ARGS__}
425 /* Called to add a TOC entry */
427  DumpId dumpId, ArchiveOpts *opts);
428 
429 extern void WriteHead(ArchiveHandle *AH);
430 extern void ReadHead(ArchiveHandle *AH);
431 extern void WriteToc(ArchiveHandle *AH);
432 extern void ReadToc(ArchiveHandle *AH);
433 extern void WriteDataChunks(ArchiveHandle *AH, struct ParallelState *pstate);
436 extern void DeCloneArchive(ArchiveHandle *AH);
437 
438 extern teReqs TocIDRequired(ArchiveHandle *AH, DumpId id);
440 extern bool checkSeek(FILE *fp);
441 
442 #define appendStringLiteralAHX(buf,str,AH) \
443  appendStringLiteral(buf, str, (AH)->public.encoding, (AH)->public.std_strings)
444 
445 #define appendByteaLiteralAHX(buf,str,len,AH) \
446  appendByteaLiteral(buf, str, len, (AH)->public.std_strings)
447 
448 /*
449  * Mandatory routines for each supported format
450  */
451 
452 extern size_t WriteInt(ArchiveHandle *AH, int i);
453 extern int ReadInt(ArchiveHandle *AH);
454 extern char *ReadStr(ArchiveHandle *AH);
455 extern size_t WriteStr(ArchiveHandle *AH, const char *s);
456 
458 size_t WriteOffset(ArchiveHandle *, pgoff_t, int);
459 
460 extern void StartRestoreBlobs(ArchiveHandle *AH);
461 extern void StartRestoreBlob(ArchiveHandle *AH, Oid oid, bool drop);
462 extern void EndRestoreBlob(ArchiveHandle *AH, Oid oid);
463 extern void EndRestoreBlobs(ArchiveHandle *AH);
464 
465 extern void InitArchiveFmt_Custom(ArchiveHandle *AH);
466 extern void InitArchiveFmt_Null(ArchiveHandle *AH);
467 extern void InitArchiveFmt_Directory(ArchiveHandle *AH);
468 extern void InitArchiveFmt_Tar(ArchiveHandle *AH);
469 
470 extern bool isValidTarHeader(char *header);
471 
472 extern void ReconnectToServer(ArchiveHandle *AH, const char *dbname, const char *newUser);
473 extern void DropBlobIfExists(ArchiveHandle *AH, Oid oid);
474 
475 void ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle *AH);
476 int ahprintf(ArchiveHandle *AH, const char *fmt,...) pg_attribute_printf(2, 3);
477 
478 #endif
struct _tocEntry * next
ReopenPtrType ReopenPtr
void ahwrite(const void *ptr, size_t size, size_t nmemb, ArchiveHandle *AH)
ReadBufPtrType ReadBufPtr
PQExpBuffer curCmd
int DumpId
Definition: pg_backup.h:234
sqlparseState state
DeClonePtrType DeClonePtr
void(* PrepParallelRestorePtrType)(ArchiveHandle *AH)
struct _tocEntry * currentTE
int(* ReadBytePtrType)(ArchiveHandle *AH)
const DumpId * deps
void DropBlobIfExists(ArchiveHandle *AH, Oid oid)
Definition: pg_backup_db.c:656
void(* ClosePtrType)(ArchiveHandle *AH)
int ReadInt(ArchiveHandle *AH)
WriteBufPtrType WriteBufPtr
CatalogId catalogId
int(* WorkerJobDumpPtrType)(ArchiveHandle *AH, TocEntry *te)
void * dataDumperArg
size_t WriteInt(ArchiveHandle *AH, int i)
void(* DeClonePtrType)(ArchiveHandle *AH)
void on_exit_close_archive(Archive *AHX)
Definition: parallel.c:342
int parallel_restore(ArchiveHandle *AH, TocEntry *te)
StartBlobPtrType StartBlobPtr
struct _tocEntry * pending_prev
int(* WriteBytePtrType)(ArchiveHandle *AH, const int i)
EndDataPtrType EndDataPtr
const char * dropStmt
void InitArchiveFmt_Tar(ArchiveHandle *AH)
DataDumperPtr dataDumper
StartBlobsPtrType StartBlobsPtr
PGcancel *volatile connCancel
unsigned int Oid
Definition: postgres_ext.h:31
void ReadHead(ArchiveHandle *AH)
bool isValidTarHeader(char *header)
void(* PrintTocDataPtrType)(ArchiveHandle *AH, TocEntry *te)
DumpId * lockDeps
bool checkSeek(FILE *fp)
void DeCloneArchive(ArchiveHandle *AH)
SetupWorkerPtrType SetupWorkerPtr
void ReconnectToServer(ArchiveHandle *AH, const char *dbname, const char *newUser)
Definition: pg_backup_db.c:79
struct _tocEntry * currToc
ReadBytePtrType ReadBytePtr
RestorePass restorePass
sqlparseState
#define pg_attribute_printf(f, a)
Definition: c.h:132
teSection section
struct _tocEntry * pending_next
#define pgoff_t
Definition: win32_port.h:195
EndBlobPtrType EndBlobPtr
void EndRestoreBlobs(ArchiveHandle *AH)
void struct _archiveOpts ArchiveOpts
void WriteDataChunksForTocEntry(ArchiveHandle *AH, TocEntry *te)
void(* EndBlobPtrType)(ArchiveHandle *AH, TocEntry *te, Oid oid)
const char * description
void EndRestoreBlob(ArchiveHandle *AH, Oid oid)
int ahprintf(ArchiveHandle *AH, const char *fmt,...) pg_attribute_printf(2
char * c
struct _tocEntry * toc
static char * buf
Definition: pg_test_fsync.c:67
DumpId * dependencies
StartDataPtrType StartDataPtr
void warn_or_exit_horribly(ArchiveHandle *AH, const char *fmt,...) pg_attribute_printf(2
TocEntry * ArchiveEntry(Archive *AHX, CatalogId catalogId, DumpId dumpId, ArchiveOpts *opts)
pgoff_t dataLength
z_stream * z_streamp
sqlparseInfo sqlparse
WriteBytePtrType WriteBytePtr
void WriteDataChunks(ArchiveHandle *AH, struct ParallelState *pstate)
void(* ReadExtraTocPtrType)(ArchiveHandle *AH, TocEntry *te)
void(* ArchiveEntryPtrType)(ArchiveHandle *AH, TocEntry *te)
trivalue
Definition: vacuumlo.c:33
const char * tag
struct _tocEntry * prev
TocEntry * getTocEntryByDumpId(ArchiveHandle *AH, DumpId id)
void(* StartDataPtrType)(ArchiveHandle *AH, TocEntry *te)
ArchiveFormat format
size_t WriteOffset(ArchiveHandle *, pgoff_t, int)
ArchiverStage stage
void(* StartBlobPtrType)(ArchiveHandle *AH, TocEntry *te, Oid oid)
PrintTocDataPtrType PrintTocDataPtr
size_t WriteStr(ArchiveHandle *AH, const char *s)
ArchiverStage
void StartRestoreBlob(ArchiveHandle *AH, Oid oid, bool drop)
WriteDataPtrType WriteDataPtr
void(* EndBlobsPtrType)(ArchiveHandle *AH, TocEntry *te)
void InitArchiveFmt_Directory(ArchiveHandle *AH)
enum _archiveFormat ArchiveFormat
const char * copyStmt
int ReadOffset(ArchiveHandle *, pgoff_t *)
void(* WriteDataPtrType)(ArchiveHandle *AH, const void *data, size_t dLen)
void InitArchiveFmt_Null(ArchiveHandle *AH)
void(* StartBlobsPtrType)(ArchiveHandle *AH, TocEntry *te)
enum _teSection teSection
const char * tablespace
void InitArchiveFmt_Custom(ArchiveHandle *AH)
void(* WriteBufPtrType)(ArchiveHandle *AH, const void *c, size_t len)
void StartRestoreBlobs(ArchiveHandle *AH)
ArchiveHandle * CloneArchive(ArchiveHandle *AH)
CustomOutPtrType CustomOutPtr
void(* ReopenPtrType)(ArchiveHandle *AH)
TocEntry ** te
Definition: parallel.h:44
void(* EndDataPtrType)(ArchiveHandle *AH, TocEntry *te)
PrepParallelRestorePtrType PrepParallelRestorePtr
void(* WriteExtraTocPtrType)(ArchiveHandle *AH, TocEntry *te)
EndBlobsPtrType EndBlobsPtr
ArchiveMode
Definition: xlog.h:151
char * dbname
Definition: streamutil.c:50
ArchiveEntryPtrType ArchiveEntryPtr
DumpId * revDeps
const char * createStmt
const char * tableam
ArchiverOutput outputKind
static void header(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:209
void(* PrintExtraTocPtrType)(ArchiveHandle *AH, TocEntry *te)
int(* DataDumperPtr)(Archive *AH, void *userArg)
Definition: pg_backup.h:236
void(* ClonePtrType)(ArchiveHandle *AH)
DataDumperPtr dumpFn
struct _tocEntry ** tocsByDumpId
ClonePtrType ClonePtr
void WriteToc(ArchiveHandle *AH)
ArchiverOutput
int(* WorkerJobRestorePtrType)(ArchiveHandle *AH, TocEntry *te)
char * ReadStr(ArchiveHandle *AH)
int i
WorkerJobRestorePtrType WorkerJobRestorePtr
teReqs TocIDRequired(ArchiveHandle *AH, DumpId id)
ArchiverStage lastErrorStage
struct _z_stream z_stream
const char * owner
ClosePtrType ClosePtr
PrintExtraTocPtrType PrintExtraTocPtr
struct _tocEntry * lastErrorTE
size_t(* CustomOutPtrType)(ArchiveHandle *AH, const void *buf, size_t len)
void(* SetupWorkerPtrType)(Archive *AH)
Definition: pg_backup.h:238
WriteExtraTocPtrType WriteExtraTocPtr
void WriteHead(ArchiveHandle *AH)
ReadExtraTocPtrType ReadExtraTocPtr
void ReadToc(ArchiveHandle *AH)
WorkerJobDumpPtrType WorkerJobDumpPtr
void(* ReadBufPtrType)(ArchiveHandle *AH, void *buf, size_t len)