PostgreSQL Source Code  git master
controldata.c File Reference
#include "postgres_fe.h"
#include <ctype.h>
#include "pg_upgrade.h"
#include "common/string.h"
Include dependency graph for controldata.c:

Go to the source code of this file.

Functions

void get_control_data (ClusterInfo *cluster, bool live_check)
 
void check_control_data (ControlData *oldctrl, ControlData *newctrl)
 
void disable_old_cluster (void)
 

Function Documentation

◆ check_control_data()

void check_control_data ( ControlData oldctrl,
ControlData newctrl 
)

Definition at line 655 of file controldata.c.

657 {
658  if (oldctrl->align == 0 || oldctrl->align != newctrl->align)
659  pg_fatal("old and new pg_controldata alignments are invalid or do not match.\n"
660  "Likely one cluster is a 32-bit install, the other 64-bit");
661 
662  if (oldctrl->blocksz == 0 || oldctrl->blocksz != newctrl->blocksz)
663  pg_fatal("old and new pg_controldata block sizes are invalid or do not match");
664 
665  if (oldctrl->largesz == 0 || oldctrl->largesz != newctrl->largesz)
666  pg_fatal("old and new pg_controldata maximum relation segment sizes are invalid or do not match");
667 
668  if (oldctrl->walsz == 0 || oldctrl->walsz != newctrl->walsz)
669  pg_fatal("old and new pg_controldata WAL block sizes are invalid or do not match");
670 
671  if (oldctrl->walseg == 0 || oldctrl->walseg != newctrl->walseg)
672  pg_fatal("old and new pg_controldata WAL segment sizes are invalid or do not match");
673 
674  if (oldctrl->ident == 0 || oldctrl->ident != newctrl->ident)
675  pg_fatal("old and new pg_controldata maximum identifier lengths are invalid or do not match");
676 
677  if (oldctrl->index == 0 || oldctrl->index != newctrl->index)
678  pg_fatal("old and new pg_controldata maximum indexed columns are invalid or do not match");
679 
680  if (oldctrl->toast == 0 || oldctrl->toast != newctrl->toast)
681  pg_fatal("old and new pg_controldata maximum TOAST chunk sizes are invalid or do not match");
682 
683  /* large_object added in 9.5, so it might not exist in the old cluster */
684  if (oldctrl->large_object != 0 &&
685  oldctrl->large_object != newctrl->large_object)
686  pg_fatal("old and new pg_controldata large-object chunk sizes are invalid or do not match");
687 
688  if (oldctrl->date_is_int != newctrl->date_is_int)
689  pg_fatal("old and new pg_controldata date/time storage types do not match");
690 
691  /*
692  * float8_pass_by_value does not need to match, but is used in
693  * check_for_isn_and_int8_passing_mismatch().
694  */
695 
696  /*
697  * We might eventually allow upgrades from checksum to no-checksum
698  * clusters.
699  */
700  if (oldctrl->data_checksum_version == 0 &&
701  newctrl->data_checksum_version != 0)
702  pg_fatal("old cluster does not use data checksums but the new one does");
703  else if (oldctrl->data_checksum_version != 0 &&
704  newctrl->data_checksum_version == 0)
705  pg_fatal("old cluster uses data checksums but the new one does not");
706  else if (oldctrl->data_checksum_version != newctrl->data_checksum_version)
707  pg_fatal("old and new cluster pg_controldata checksum versions do not match");
708 }
#define pg_fatal(...)
uint32 data_checksum_version
Definition: pg_upgrade.h:220
uint32 toast
Definition: pg_upgrade.h:216
uint32 index
Definition: pg_upgrade.h:215
uint32 walseg
Definition: pg_upgrade.h:213
uint32 blocksz
Definition: pg_upgrade.h:210
uint32 walsz
Definition: pg_upgrade.h:212
uint32 ident
Definition: pg_upgrade.h:214
bool date_is_int
Definition: pg_upgrade.h:218
uint32 large_object
Definition: pg_upgrade.h:217
uint32 align
Definition: pg_upgrade.h:209
uint32 largesz
Definition: pg_upgrade.h:211

References ControlData::align, ControlData::blocksz, ControlData::data_checksum_version, ControlData::date_is_int, ControlData::ident, ControlData::index, ControlData::large_object, ControlData::largesz, pg_fatal, ControlData::toast, ControlData::walseg, and ControlData::walsz.

Referenced by check_cluster_compatibility().

◆ disable_old_cluster()

void disable_old_cluster ( void  )

Definition at line 712 of file controldata.c.

713 {
714  char old_path[MAXPGPATH],
715  new_path[MAXPGPATH];
716 
717  /* rename pg_control so old server cannot be accidentally started */
718  prep_status("Adding \".old\" suffix to old global/pg_control");
719 
720  snprintf(old_path, sizeof(old_path), "%s/global/pg_control", old_cluster.pgdata);
721  snprintf(new_path, sizeof(new_path), "%s/global/pg_control.old", old_cluster.pgdata);
722  if (pg_mv_file(old_path, new_path) != 0)
723  pg_fatal("could not rename file \"%s\" to \"%s\": %m",
724  old_path, new_path);
725  check_ok();
726 
727  pg_log(PG_REPORT, "\n"
728  "If you want to start the old cluster, you will need to remove\n"
729  "the \".old\" suffix from %s/global/pg_control.old.\n"
730  "Because \"link\" mode was used, the old cluster cannot be safely\n"
731  "started once the new cluster has been started.",
733 }
static void check_ok(void)
Definition: initdb.c:1823
#define MAXPGPATH
ClusterInfo old_cluster
Definition: pg_upgrade.c:62
#define pg_mv_file
Definition: pg_upgrade.h:81
void void pg_log(eLogType type, const char *fmt,...) pg_attribute_printf(2
@ PG_REPORT
Definition: pg_upgrade.h:241
void prep_status(const char *fmt,...) pg_attribute_printf(1
#define snprintf
Definition: port.h:238
char * pgdata
Definition: pg_upgrade.h:256

References check_ok(), MAXPGPATH, old_cluster, pg_fatal, pg_log(), pg_mv_file, PG_REPORT, ClusterInfo::pgdata, prep_status(), and snprintf.

Referenced by main().

◆ get_control_data()

void get_control_data ( ClusterInfo cluster,
bool  live_check 
)

Definition at line 36 of file controldata.c.

37 {
38  char cmd[MAXPGPATH];
39  char bufin[MAX_STRING];
40  FILE *output;
41  char *p;
42  bool got_tli = false;
43  bool got_log_id = false;
44  bool got_log_seg = false;
45  bool got_xid = false;
46  bool got_oid = false;
47  bool got_multi = false;
48  bool got_oldestmulti = false;
49  bool got_oldestxid = false;
50  bool got_mxoff = false;
51  bool got_nextxlogfile = false;
52  bool got_float8_pass_by_value = false;
53  bool got_align = false;
54  bool got_blocksz = false;
55  bool got_largesz = false;
56  bool got_walsz = false;
57  bool got_walseg = false;
58  bool got_ident = false;
59  bool got_index = false;
60  bool got_toast = false;
61  bool got_large_object = false;
62  bool got_date_is_int = false;
63  bool got_data_checksum_version = false;
64  bool got_cluster_state = false;
65  char *lc_collate = NULL;
66  char *lc_ctype = NULL;
67  char *lc_monetary = NULL;
68  char *lc_numeric = NULL;
69  char *lc_time = NULL;
70  char *lang = NULL;
71  char *language = NULL;
72  char *lc_all = NULL;
73  char *lc_messages = NULL;
74  uint32 tli = 0;
75  uint32 logid = 0;
76  uint32 segno = 0;
77  char *resetwal_bin;
78  int rc;
79 
80  /*
81  * Because we test the pg_resetwal output as strings, it has to be in
82  * English. Copied from pg_regress.c.
83  */
84  if (getenv("LC_COLLATE"))
85  lc_collate = pg_strdup(getenv("LC_COLLATE"));
86  if (getenv("LC_CTYPE"))
87  lc_ctype = pg_strdup(getenv("LC_CTYPE"));
88  if (getenv("LC_MONETARY"))
89  lc_monetary = pg_strdup(getenv("LC_MONETARY"));
90  if (getenv("LC_NUMERIC"))
91  lc_numeric = pg_strdup(getenv("LC_NUMERIC"));
92  if (getenv("LC_TIME"))
93  lc_time = pg_strdup(getenv("LC_TIME"));
94  if (getenv("LANG"))
95  lang = pg_strdup(getenv("LANG"));
96  if (getenv("LANGUAGE"))
97  language = pg_strdup(getenv("LANGUAGE"));
98  if (getenv("LC_ALL"))
99  lc_all = pg_strdup(getenv("LC_ALL"));
100  if (getenv("LC_MESSAGES"))
101  lc_messages = pg_strdup(getenv("LC_MESSAGES"));
102 
103  unsetenv("LC_COLLATE");
104  unsetenv("LC_CTYPE");
105  unsetenv("LC_MONETARY");
106  unsetenv("LC_NUMERIC");
107  unsetenv("LC_TIME");
108 #ifndef WIN32
109  unsetenv("LANG");
110 #else
111  /* On Windows the default locale may not be English, so force it */
112  setenv("LANG", "en", 1);
113 #endif
114  unsetenv("LANGUAGE");
115  unsetenv("LC_ALL");
116  setenv("LC_MESSAGES", "C", 1);
117 
118  /*
119  * Check for clean shutdown
120  */
121  if (!live_check || cluster == &new_cluster)
122  {
123  /* only pg_controldata outputs the cluster state */
124  snprintf(cmd, sizeof(cmd), "\"%s/pg_controldata\" \"%s\"",
125  cluster->bindir, cluster->pgdata);
126  fflush(NULL);
127 
128  if ((output = popen(cmd, "r")) == NULL)
129  pg_fatal("could not get control data using %s: %s",
130  cmd, strerror(errno));
131 
132  /* we have the result of cmd in "output". so parse it line by line now */
133  while (fgets(bufin, sizeof(bufin), output))
134  {
135  if ((p = strstr(bufin, "Database cluster state:")) != NULL)
136  {
137  p = strchr(p, ':');
138 
139  if (p == NULL || strlen(p) <= 1)
140  pg_fatal("%d: database cluster state problem", __LINE__);
141 
142  p++; /* remove ':' char */
143 
144  /*
145  * We checked earlier for a postmaster lock file, and if we
146  * found one, we tried to start/stop the server to replay the
147  * WAL. However, pg_ctl -m immediate doesn't leave a lock
148  * file, but does require WAL replay, so we check here that
149  * the server was shut down cleanly, from the controldata
150  * perspective.
151  */
152  /* remove leading spaces */
153  while (*p == ' ')
154  p++;
155  if (strcmp(p, "shut down in recovery\n") == 0)
156  {
157  if (cluster == &old_cluster)
158  pg_fatal("The source cluster was shut down while in recovery mode. To upgrade, use \"rsync\" as documented or shut it down as a primary.");
159  else
160  pg_fatal("The target cluster was shut down while in recovery mode. To upgrade, use \"rsync\" as documented or shut it down as a primary.");
161  }
162  else if (strcmp(p, "shut down\n") != 0)
163  {
164  if (cluster == &old_cluster)
165  pg_fatal("The source cluster was not shut down cleanly.");
166  else
167  pg_fatal("The target cluster was not shut down cleanly.");
168  }
169  got_cluster_state = true;
170  }
171  }
172 
173  rc = pclose(output);
174  if (rc != 0)
175  pg_fatal("could not get control data using %s: %s",
176  cmd, wait_result_to_str(rc));
177 
178  if (!got_cluster_state)
179  {
180  if (cluster == &old_cluster)
181  pg_fatal("The source cluster lacks cluster state information:");
182  else
183  pg_fatal("The target cluster lacks cluster state information:");
184  }
185  }
186 
187  /* pg_resetxlog has been renamed to pg_resetwal in version 10 */
188  if (GET_MAJOR_VERSION(cluster->bin_version) <= 906)
189  resetwal_bin = "pg_resetxlog\" -n";
190  else
191  resetwal_bin = "pg_resetwal\" -n";
192  snprintf(cmd, sizeof(cmd), "\"%s/%s \"%s\"",
193  cluster->bindir,
194  live_check ? "pg_controldata\"" : resetwal_bin,
195  cluster->pgdata);
196  fflush(NULL);
197 
198  if ((output = popen(cmd, "r")) == NULL)
199  pg_fatal("could not get control data using %s: %s",
200  cmd, strerror(errno));
201 
202  /* Only in <= 9.2 */
203  if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
204  {
205  cluster->controldata.data_checksum_version = 0;
206  got_data_checksum_version = true;
207  }
208 
209  /* we have the result of cmd in "output". so parse it line by line now */
210  while (fgets(bufin, sizeof(bufin), output))
211  {
212  /* In verbose mode, log each line */
213  pg_strip_crlf(bufin);
214  pg_log(PG_VERBOSE, "%s", bufin);
215 
216  if ((p = strstr(bufin, "pg_control version number:")) != NULL)
217  {
218  p = strchr(p, ':');
219 
220  if (p == NULL || strlen(p) <= 1)
221  pg_fatal("%d: pg_resetwal problem", __LINE__);
222 
223  p++; /* remove ':' char */
224  cluster->controldata.ctrl_ver = str2uint(p);
225  }
226  else if ((p = strstr(bufin, "Catalog version number:")) != NULL)
227  {
228  p = strchr(p, ':');
229 
230  if (p == NULL || strlen(p) <= 1)
231  pg_fatal("%d: controldata retrieval problem", __LINE__);
232 
233  p++; /* remove ':' char */
234  cluster->controldata.cat_ver = str2uint(p);
235  }
236  else if ((p = strstr(bufin, "Latest checkpoint's TimeLineID:")) != NULL)
237  {
238  p = strchr(p, ':');
239 
240  if (p == NULL || strlen(p) <= 1)
241  pg_fatal("%d: controldata retrieval problem", __LINE__);
242 
243  p++; /* remove ':' char */
244  tli = str2uint(p);
245  got_tli = true;
246  }
247  else if ((p = strstr(bufin, "First log file ID after reset:")) != NULL)
248  {
249  p = strchr(p, ':');
250 
251  if (p == NULL || strlen(p) <= 1)
252  pg_fatal("%d: controldata retrieval problem", __LINE__);
253 
254  p++; /* remove ':' char */
255  logid = str2uint(p);
256  got_log_id = true;
257  }
258  else if ((p = strstr(bufin, "First log file segment after reset:")) != NULL)
259  {
260  p = strchr(p, ':');
261 
262  if (p == NULL || strlen(p) <= 1)
263  pg_fatal("%d: controldata retrieval problem", __LINE__);
264 
265  p++; /* remove ':' char */
266  segno = str2uint(p);
267  got_log_seg = true;
268  }
269  else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL)
270  {
271  p = strchr(p, ':');
272 
273  if (p == NULL || strlen(p) <= 1)
274  pg_fatal("%d: controldata retrieval problem", __LINE__);
275 
276  p++; /* remove ':' char */
277  cluster->controldata.chkpnt_nxtepoch = str2uint(p);
278 
279  /*
280  * Delimiter changed from '/' to ':' in 9.6. We don't test for
281  * the catalog version of the change because the catalog version
282  * is pulled from pg_controldata too, and it isn't worth adding an
283  * order dependency for this --- we just check the string.
284  */
285  if (strchr(p, '/') != NULL)
286  p = strchr(p, '/');
287  else if (GET_MAJOR_VERSION(cluster->major_version) >= 906)
288  p = strchr(p, ':');
289  else
290  p = NULL;
291 
292  if (p == NULL || strlen(p) <= 1)
293  pg_fatal("%d: controldata retrieval problem", __LINE__);
294 
295  p++; /* remove '/' or ':' char */
296  cluster->controldata.chkpnt_nxtxid = str2uint(p);
297  got_xid = true;
298  }
299  else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL)
300  {
301  p = strchr(p, ':');
302 
303  if (p == NULL || strlen(p) <= 1)
304  pg_fatal("%d: controldata retrieval problem", __LINE__);
305 
306  p++; /* remove ':' char */
307  cluster->controldata.chkpnt_nxtoid = str2uint(p);
308  got_oid = true;
309  }
310  else if ((p = strstr(bufin, "Latest checkpoint's NextMultiXactId:")) != NULL)
311  {
312  p = strchr(p, ':');
313 
314  if (p == NULL || strlen(p) <= 1)
315  pg_fatal("%d: controldata retrieval problem", __LINE__);
316 
317  p++; /* remove ':' char */
318  cluster->controldata.chkpnt_nxtmulti = str2uint(p);
319  got_multi = true;
320  }
321  else if ((p = strstr(bufin, "Latest checkpoint's oldestXID:")) != NULL)
322  {
323  p = strchr(p, ':');
324 
325  if (p == NULL || strlen(p) <= 1)
326  pg_fatal("%d: controldata retrieval problem", __LINE__);
327 
328  p++; /* remove ':' char */
329  cluster->controldata.chkpnt_oldstxid = str2uint(p);
330  got_oldestxid = true;
331  }
332  else if ((p = strstr(bufin, "Latest checkpoint's oldestMultiXid:")) != NULL)
333  {
334  p = strchr(p, ':');
335 
336  if (p == NULL || strlen(p) <= 1)
337  pg_fatal("%d: controldata retrieval problem", __LINE__);
338 
339  p++; /* remove ':' char */
340  cluster->controldata.chkpnt_oldstMulti = str2uint(p);
341  got_oldestmulti = true;
342  }
343  else if ((p = strstr(bufin, "Latest checkpoint's NextMultiOffset:")) != NULL)
344  {
345  p = strchr(p, ':');
346 
347  if (p == NULL || strlen(p) <= 1)
348  pg_fatal("%d: controldata retrieval problem", __LINE__);
349 
350  p++; /* remove ':' char */
351  cluster->controldata.chkpnt_nxtmxoff = str2uint(p);
352  got_mxoff = true;
353  }
354  else if ((p = strstr(bufin, "First log segment after reset:")) != NULL)
355  {
356  /* Skip the colon and any whitespace after it */
357  p = strchr(p, ':');
358  if (p == NULL || strlen(p) <= 1)
359  pg_fatal("%d: controldata retrieval problem", __LINE__);
360  p = strpbrk(p, "01234567890ABCDEF");
361  if (p == NULL || strlen(p) <= 1)
362  pg_fatal("%d: controldata retrieval problem", __LINE__);
363 
364  /* Make sure it looks like a valid WAL file name */
365  if (strspn(p, "0123456789ABCDEF") != 24)
366  pg_fatal("%d: controldata retrieval problem", __LINE__);
367 
368  strlcpy(cluster->controldata.nextxlogfile, p, 25);
369  got_nextxlogfile = true;
370  }
371  else if ((p = strstr(bufin, "Float8 argument passing:")) != NULL)
372  {
373  p = strchr(p, ':');
374 
375  if (p == NULL || strlen(p) <= 1)
376  pg_fatal("%d: controldata retrieval problem", __LINE__);
377 
378  p++; /* remove ':' char */
379  /* used later for contrib check */
380  cluster->controldata.float8_pass_by_value = strstr(p, "by value") != NULL;
381  got_float8_pass_by_value = true;
382  }
383  else if ((p = strstr(bufin, "Maximum data alignment:")) != NULL)
384  {
385  p = strchr(p, ':');
386 
387  if (p == NULL || strlen(p) <= 1)
388  pg_fatal("%d: controldata retrieval problem", __LINE__);
389 
390  p++; /* remove ':' char */
391  cluster->controldata.align = str2uint(p);
392  got_align = true;
393  }
394  else if ((p = strstr(bufin, "Database block size:")) != NULL)
395  {
396  p = strchr(p, ':');
397 
398  if (p == NULL || strlen(p) <= 1)
399  pg_fatal("%d: controldata retrieval problem", __LINE__);
400 
401  p++; /* remove ':' char */
402  cluster->controldata.blocksz = str2uint(p);
403  got_blocksz = true;
404  }
405  else if ((p = strstr(bufin, "Blocks per segment of large relation:")) != NULL)
406  {
407  p = strchr(p, ':');
408 
409  if (p == NULL || strlen(p) <= 1)
410  pg_fatal("%d: controldata retrieval problem", __LINE__);
411 
412  p++; /* remove ':' char */
413  cluster->controldata.largesz = str2uint(p);
414  got_largesz = true;
415  }
416  else if ((p = strstr(bufin, "WAL block size:")) != NULL)
417  {
418  p = strchr(p, ':');
419 
420  if (p == NULL || strlen(p) <= 1)
421  pg_fatal("%d: controldata retrieval problem", __LINE__);
422 
423  p++; /* remove ':' char */
424  cluster->controldata.walsz = str2uint(p);
425  got_walsz = true;
426  }
427  else if ((p = strstr(bufin, "Bytes per WAL segment:")) != NULL)
428  {
429  p = strchr(p, ':');
430 
431  if (p == NULL || strlen(p) <= 1)
432  pg_fatal("%d: controldata retrieval problem", __LINE__);
433 
434  p++; /* remove ':' char */
435  cluster->controldata.walseg = str2uint(p);
436  got_walseg = true;
437  }
438  else if ((p = strstr(bufin, "Maximum length of identifiers:")) != NULL)
439  {
440  p = strchr(p, ':');
441 
442  if (p == NULL || strlen(p) <= 1)
443  pg_fatal("%d: controldata retrieval problem", __LINE__);
444 
445  p++; /* remove ':' char */
446  cluster->controldata.ident = str2uint(p);
447  got_ident = true;
448  }
449  else if ((p = strstr(bufin, "Maximum columns in an index:")) != NULL)
450  {
451  p = strchr(p, ':');
452 
453  if (p == NULL || strlen(p) <= 1)
454  pg_fatal("%d: controldata retrieval problem", __LINE__);
455 
456  p++; /* remove ':' char */
457  cluster->controldata.index = str2uint(p);
458  got_index = true;
459  }
460  else if ((p = strstr(bufin, "Maximum size of a TOAST chunk:")) != NULL)
461  {
462  p = strchr(p, ':');
463 
464  if (p == NULL || strlen(p) <= 1)
465  pg_fatal("%d: controldata retrieval problem", __LINE__);
466 
467  p++; /* remove ':' char */
468  cluster->controldata.toast = str2uint(p);
469  got_toast = true;
470  }
471  else if ((p = strstr(bufin, "Size of a large-object chunk:")) != NULL)
472  {
473  p = strchr(p, ':');
474 
475  if (p == NULL || strlen(p) <= 1)
476  pg_fatal("%d: controldata retrieval problem", __LINE__);
477 
478  p++; /* remove ':' char */
479  cluster->controldata.large_object = str2uint(p);
480  got_large_object = true;
481  }
482  else if ((p = strstr(bufin, "Date/time type storage:")) != NULL)
483  {
484  p = strchr(p, ':');
485 
486  if (p == NULL || strlen(p) <= 1)
487  pg_fatal("%d: controldata retrieval problem", __LINE__);
488 
489  p++; /* remove ':' char */
490  cluster->controldata.date_is_int = strstr(p, "64-bit integers") != NULL;
491  got_date_is_int = true;
492  }
493  else if ((p = strstr(bufin, "checksum")) != NULL)
494  {
495  p = strchr(p, ':');
496 
497  if (p == NULL || strlen(p) <= 1)
498  pg_fatal("%d: controldata retrieval problem", __LINE__);
499 
500  p++; /* remove ':' char */
501  cluster->controldata.data_checksum_version = str2uint(p);
502  got_data_checksum_version = true;
503  }
504  }
505 
506  rc = pclose(output);
507  if (rc != 0)
508  pg_fatal("could not get control data using %s: %s",
509  cmd, wait_result_to_str(rc));
510 
511  /*
512  * Restore environment variables. Note all but LANG and LC_MESSAGES were
513  * unset above.
514  */
515  if (lc_collate)
516  setenv("LC_COLLATE", lc_collate, 1);
517  if (lc_ctype)
518  setenv("LC_CTYPE", lc_ctype, 1);
519  if (lc_monetary)
520  setenv("LC_MONETARY", lc_monetary, 1);
521  if (lc_numeric)
522  setenv("LC_NUMERIC", lc_numeric, 1);
523  if (lc_time)
524  setenv("LC_TIME", lc_time, 1);
525  if (lang)
526  setenv("LANG", lang, 1);
527  else
528  unsetenv("LANG");
529  if (language)
530  setenv("LANGUAGE", language, 1);
531  if (lc_all)
532  setenv("LC_ALL", lc_all, 1);
533  if (lc_messages)
534  setenv("LC_MESSAGES", lc_messages, 1);
535  else
536  unsetenv("LC_MESSAGES");
537 
539  pg_free(lc_ctype);
542  pg_free(lc_time);
543  pg_free(lang);
544  pg_free(language);
545  pg_free(lc_all);
547 
548  /*
549  * Before 9.3, pg_resetwal reported the xlogid and segno of the first log
550  * file after reset as separate lines. Starting with 9.3, it reports the
551  * WAL file name. If the old cluster is older than 9.3, we construct the
552  * WAL file name from the xlogid and segno.
553  */
554  if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
555  {
556  if (got_tli && got_log_id && got_log_seg)
557  {
558  snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X",
559  tli, logid, segno);
560  got_nextxlogfile = true;
561  }
562  }
563 
564  /* verify that we got all the mandatory pg_control data */
565  if (!got_xid || !got_oid ||
566  !got_multi || !got_oldestxid ||
567  (!got_oldestmulti &&
568  cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) ||
569  !got_mxoff || (!live_check && !got_nextxlogfile) ||
570  !got_float8_pass_by_value || !got_align || !got_blocksz ||
571  !got_largesz || !got_walsz || !got_walseg || !got_ident ||
572  !got_index || !got_toast ||
573  (!got_large_object &&
574  cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) ||
575  !got_date_is_int || !got_data_checksum_version)
576  {
577  if (cluster == &old_cluster)
579  "The source cluster lacks some required control information:");
580  else
582  "The target cluster lacks some required control information:");
583 
584  if (!got_xid)
585  pg_log(PG_REPORT, " checkpoint next XID");
586 
587  if (!got_oid)
588  pg_log(PG_REPORT, " latest checkpoint next OID");
589 
590  if (!got_multi)
591  pg_log(PG_REPORT, " latest checkpoint next MultiXactId");
592 
593  if (!got_oldestmulti &&
594  cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER)
595  pg_log(PG_REPORT, " latest checkpoint oldest MultiXactId");
596 
597  if (!got_oldestxid)
598  pg_log(PG_REPORT, " latest checkpoint oldestXID");
599 
600  if (!got_mxoff)
601  pg_log(PG_REPORT, " latest checkpoint next MultiXactOffset");
602 
603  if (!live_check && !got_nextxlogfile)
604  pg_log(PG_REPORT, " first WAL segment after reset");
605 
606  if (!got_float8_pass_by_value)
607  pg_log(PG_REPORT, " float8 argument passing method");
608 
609  if (!got_align)
610  pg_log(PG_REPORT, " maximum alignment");
611 
612  if (!got_blocksz)
613  pg_log(PG_REPORT, " block size");
614 
615  if (!got_largesz)
616  pg_log(PG_REPORT, " large relation segment size");
617 
618  if (!got_walsz)
619  pg_log(PG_REPORT, " WAL block size");
620 
621  if (!got_walseg)
622  pg_log(PG_REPORT, " WAL segment size");
623 
624  if (!got_ident)
625  pg_log(PG_REPORT, " maximum identifier length");
626 
627  if (!got_index)
628  pg_log(PG_REPORT, " maximum number of indexed columns");
629 
630  if (!got_toast)
631  pg_log(PG_REPORT, " maximum TOAST chunk size");
632 
633  if (!got_large_object &&
634  cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER)
635  pg_log(PG_REPORT, " large-object chunk size");
636 
637  if (!got_date_is_int)
638  pg_log(PG_REPORT, " dates/times are integers?");
639 
640  /* value added in Postgres 9.3 */
641  if (!got_data_checksum_version)
642  pg_log(PG_REPORT, " data checksum version");
643 
644  pg_fatal("Cannot continue without required control information, terminating");
645  }
646 }
unsigned int uint32
Definition: c.h:490
void cluster(ParseState *pstate, ClusterStmt *stmt, bool isTopLevel)
Definition: cluster.c:111
char * pg_strdup(const char *in)
Definition: fe_memutils.c:85
void pg_free(void *ptr)
Definition: fe_memutils.c:105
static char * lc_collate
Definition: initdb.c:130
static char * lc_time
Definition: initdb.c:134
static char * lc_ctype
Definition: initdb.c:131
static char * lc_messages
Definition: initdb.c:135
static char * lc_numeric
Definition: initdb.c:133
static char * lc_monetary
Definition: initdb.c:132
static void const char fflush(stdout)
static void output(uint64 loop_count)
ClusterInfo new_cluster
Definition: pg_upgrade.c:63
#define LARGE_OBJECT_SIZE_PG_CONTROL_VER
Definition: pg_upgrade.h:122
#define MULTIXACT_FORMATCHANGE_CAT_VER
Definition: pg_upgrade.h:116
void void unsigned int str2uint(const char *str)
Definition: util.c:341
@ PG_VERBOSE
Definition: pg_upgrade.h:238
#define GET_MAJOR_VERSION(v)
Definition: pg_upgrade.h:27
#define MAX_STRING
Definition: pg_upgrade.h:22
#define strerror
Definition: port.h:251
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: strlcpy.c:45
int pg_strip_crlf(char *str)
Definition: string.c:155
char * wait_result_to_str(int exitstatus)
Definition: wait_error.c:33
#define unsetenv(x)
Definition: win32_port.h:535
#define setenv(x, y, z)
Definition: win32_port.h:534

References cluster(), fflush(), GET_MAJOR_VERSION, LARGE_OBJECT_SIZE_PG_CONTROL_VER, lc_collate, lc_ctype, lc_messages, lc_monetary, lc_numeric, lc_time, MAX_STRING, MAXPGPATH, MULTIXACT_FORMATCHANGE_CAT_VER, new_cluster, old_cluster, output(), pg_fatal, pg_free(), pg_log(), PG_REPORT, pg_strdup(), pg_strip_crlf(), PG_VERBOSE, setenv, snprintf, str2uint(), strerror, strlcpy(), unsetenv, and wait_result_to_str().

Referenced by check_cluster_compatibility().