Age Owner Branch data TLA Line data Source code
1 : : /*
2 : : * controldata.c
3 : : *
4 : : * controldata functions
5 : : *
6 : : * Copyright (c) 2010-2025, PostgreSQL Global Development Group
7 : : * src/bin/pg_upgrade/controldata.c
8 : : */
9 : :
10 : : #include "postgres_fe.h"
11 : :
12 : : #include <ctype.h>
13 : : #include <limits.h> /* for CHAR_MIN */
14 : :
15 : : #include "access/xlog_internal.h"
16 : : #include "common/string.h"
17 : : #include "pg_upgrade.h"
18 : :
19 : :
20 : : /*
21 : : * get_control_data()
22 : : *
23 : : * gets pg_control information in "ctrl". Assumes that bindir and
24 : : * datadir are valid absolute paths to postgresql bin and pgdata
25 : : * directories respectively *and* pg_resetwal is version compatible
26 : : * with datadir. The main purpose of this function is to get pg_control
27 : : * data in a version independent manner.
28 : : *
29 : : * The approach taken here is to invoke pg_resetwal with -n option
30 : : * and then pipe its output. With little string parsing we get the
31 : : * pg_control data. pg_resetwal cannot be run while the server is running
32 : : * so we use pg_controldata; pg_controldata doesn't provide all the fields
33 : : * we need to actually perform the upgrade, but it provides enough for
34 : : * check mode. We do not implement pg_resetwal -n because it is hard to
35 : : * return valid xid data for a running server.
36 : : */
37 : : void
407 nathan@postgresql.or 38 :CBC 32 : get_control_data(ClusterInfo *cluster)
39 : : {
40 : : char cmd[MAXPGPATH];
41 : : char bufin[MAX_STRING];
42 : : FILE *output;
43 : : char *p;
3616 bruce@momjian.us 44 : 32 : bool got_tli = false;
45 : 32 : bool got_log_id = false;
46 : 32 : bool got_log_seg = false;
5596 47 : 32 : bool got_xid = false;
48 : 32 : bool got_oid = false;
4609 alvherre@alvh.no-ip. 49 : 32 : bool got_multi = false;
50 : 32 : bool got_oldestmulti = false;
1503 bruce@momjian.us 51 : 32 : bool got_oldestxid = false;
3616 52 : 32 : bool got_mxoff = false;
53 : 32 : bool got_nextxlogfile = false;
54 : 32 : bool got_float8_pass_by_value = false;
5596 55 : 32 : bool got_align = false;
56 : 32 : bool got_blocksz = false;
57 : 32 : bool got_largesz = false;
58 : 32 : bool got_walsz = false;
59 : 32 : bool got_walseg = false;
60 : 32 : bool got_ident = false;
61 : 32 : bool got_index = false;
62 : 32 : bool got_toast = false;
4014 63 : 32 : bool got_large_object = false;
5596 64 : 32 : bool got_date_is_int = false;
4512 simon@2ndQuadrant.co 65 : 32 : bool got_data_checksum_version = false;
2597 bruce@momjian.us 66 : 32 : bool got_cluster_state = false;
197 msawada@postgresql.o 67 : 32 : bool got_default_char_signedness = false;
5478 bruce@momjian.us 68 : 32 : char *lc_collate = NULL;
69 : 32 : char *lc_ctype = NULL;
70 : 32 : char *lc_monetary = NULL;
71 : 32 : char *lc_numeric = NULL;
72 : 32 : char *lc_time = NULL;
5596 73 : 32 : char *lang = NULL;
5478 74 : 32 : char *language = NULL;
75 : 32 : char *lc_all = NULL;
76 : 32 : char *lc_messages = NULL;
3616 77 : 32 : uint32 tli = 0;
4820 heikki.linnakangas@i 78 : 32 : uint32 logid = 0;
79 : 32 : uint32 segno = 0;
80 : : char *resetwal_bin;
81 : : int rc;
407 nathan@postgresql.or 82 [ + + - + ]: 32 : bool live_check = (cluster == &old_cluster && user_opts.live_check);
83 : :
84 : : /*
85 : : * Because we test the pg_resetwal output as strings, it has to be in
86 : : * English. Copied from pg_regress.c.
87 : : */
5478 bruce@momjian.us 88 [ - + ]: 32 : if (getenv("LC_COLLATE"))
5436 bruce@momjian.us 89 :UBC 0 : lc_collate = pg_strdup(getenv("LC_COLLATE"));
5478 bruce@momjian.us 90 [ - + ]:CBC 32 : if (getenv("LC_CTYPE"))
5436 bruce@momjian.us 91 :UBC 0 : lc_ctype = pg_strdup(getenv("LC_CTYPE"));
5478 bruce@momjian.us 92 [ - + ]:CBC 32 : if (getenv("LC_MONETARY"))
5436 bruce@momjian.us 93 :UBC 0 : lc_monetary = pg_strdup(getenv("LC_MONETARY"));
5478 bruce@momjian.us 94 [ + - ]:CBC 32 : if (getenv("LC_NUMERIC"))
5436 bruce@momjian.us 95 :GBC 32 : lc_numeric = pg_strdup(getenv("LC_NUMERIC"));
5478 bruce@momjian.us 96 [ - + ]:CBC 32 : if (getenv("LC_TIME"))
5436 bruce@momjian.us 97 :UBC 0 : lc_time = pg_strdup(getenv("LC_TIME"));
5596 bruce@momjian.us 98 [ + - ]:CBC 32 : if (getenv("LANG"))
5436 99 : 32 : lang = pg_strdup(getenv("LANG"));
5478 100 [ - + ]: 32 : if (getenv("LANGUAGE"))
5436 bruce@momjian.us 101 :UBC 0 : language = pg_strdup(getenv("LANGUAGE"));
5478 bruce@momjian.us 102 [ - + ]:CBC 32 : if (getenv("LC_ALL"))
5436 bruce@momjian.us 103 :UBC 0 : lc_all = pg_strdup(getenv("LC_ALL"));
5478 bruce@momjian.us 104 [ + - ]:CBC 32 : if (getenv("LC_MESSAGES"))
5436 105 : 32 : lc_messages = pg_strdup(getenv("LC_MESSAGES"));
106 : :
1711 tgl@sss.pgh.pa.us 107 : 32 : unsetenv("LC_COLLATE");
108 : 32 : unsetenv("LC_CTYPE");
109 : 32 : unsetenv("LC_MONETARY");
110 : 32 : unsetenv("LC_NUMERIC");
111 : 32 : unsetenv("LC_TIME");
112 : : #ifndef WIN32
113 : 32 : unsetenv("LANG");
114 : : #else
115 : : /* On Windows the default locale may not be English, so force it */
116 : : setenv("LANG", "en", 1);
117 : : #endif
118 : 32 : unsetenv("LANGUAGE");
119 : 32 : unsetenv("LC_ALL");
120 : 32 : setenv("LC_MESSAGES", "C", 1);
121 : :
122 : : /*
123 : : * Check for clean shutdown
124 : : */
2594 bruce@momjian.us 125 [ - + - - ]: 32 : if (!live_check || cluster == &new_cluster)
126 : : {
127 : : /* only pg_controldata outputs the cluster state */
128 : 32 : snprintf(cmd, sizeof(cmd), "\"%s/pg_controldata\" \"%s\"",
129 : : cluster->bindir, cluster->pgdata);
1104 tgl@sss.pgh.pa.us 130 : 32 : fflush(NULL);
131 : :
2594 bruce@momjian.us 132 [ - + ]: 32 : if ((output = popen(cmd, "r")) == NULL)
543 michael@paquier.xyz 133 :UBC 0 : pg_fatal("could not get control data using %s: %m", cmd);
134 : :
135 : : /* we have the result of cmd in "output". so parse it line by line now */
2594 bruce@momjian.us 136 [ + + ]:CBC 1696 : while (fgets(bufin, sizeof(bufin), output))
137 : : {
138 [ + + ]: 1632 : if ((p = strstr(bufin, "Database cluster state:")) != NULL)
139 : : {
140 : 32 : p = strchr(p, ':');
141 : :
142 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 143 :UBC 0 : pg_fatal("%d: database cluster state problem", __LINE__);
144 : :
2299 tgl@sss.pgh.pa.us 145 :CBC 32 : p++; /* remove ':' char */
146 : :
147 : : /*
148 : : * We checked earlier for a postmaster lock file, and if we
149 : : * found one, we tried to start/stop the server to replay the
150 : : * WAL. However, pg_ctl -m immediate doesn't leave a lock
151 : : * file, but does require WAL replay, so we check here that
152 : : * the server was shut down cleanly, from the controldata
153 : : * perspective.
154 : : */
155 : : /* Remove trailing newline and leading spaces */
779 dgustafsson@postgres 156 : 32 : (void) pg_strip_crlf(p);
2594 bruce@momjian.us 157 [ + + ]: 512 : while (*p == ' ')
158 : 480 : p++;
779 dgustafsson@postgres 159 [ - + ]: 32 : if (strcmp(p, "shut down in recovery") == 0)
160 : : {
2577 bruce@momjian.us 161 [ # # ]:UBC 0 : if (cluster == &old_cluster)
1152 tgl@sss.pgh.pa.us 162 : 0 : 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.");
163 : : else
164 : 0 : 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.");
165 : : }
779 dgustafsson@postgres 166 [ - + ]:CBC 32 : else if (strcmp(p, "shut down") != 0)
167 : : {
2594 bruce@momjian.us 168 [ # # ]:UBC 0 : if (cluster == &old_cluster)
779 dgustafsson@postgres 169 : 0 : pg_fatal("The source cluster was not shut down cleanly, state reported as: \"%s\"", p);
170 : : else
171 : 0 : pg_fatal("The target cluster was not shut down cleanly, state reported as: \"%s\"", p);
172 : : }
2594 bruce@momjian.us 173 :CBC 32 : got_cluster_state = true;
174 : : }
175 : : }
176 : :
1026 peter@eisentraut.org 177 : 32 : rc = pclose(output);
178 [ - + ]: 32 : if (rc != 0)
1026 peter@eisentraut.org 179 :UBC 0 : pg_fatal("could not get control data using %s: %s",
180 : : cmd, wait_result_to_str(rc));
181 : :
2594 bruce@momjian.us 182 [ - + ]:CBC 32 : if (!got_cluster_state)
183 : : {
2594 bruce@momjian.us 184 [ # # ]:UBC 0 : if (cluster == &old_cluster)
1152 tgl@sss.pgh.pa.us 185 : 0 : pg_fatal("The source cluster lacks cluster state information:");
186 : : else
187 : 0 : pg_fatal("The target cluster lacks cluster state information:");
188 : : }
189 : : }
190 : :
191 : : /* pg_resetxlog has been renamed to pg_resetwal in version 10 */
1796 bruce@momjian.us 192 [ - + ]:CBC 32 : if (GET_MAJOR_VERSION(cluster->bin_version) <= 906)
3125 rhaas@postgresql.org 193 :UBC 0 : resetwal_bin = "pg_resetxlog\" -n";
194 : : else
3125 rhaas@postgresql.org 195 :CBC 32 : resetwal_bin = "pg_resetwal\" -n";
4142 heikki.linnakangas@i 196 [ - + ]: 32 : snprintf(cmd, sizeof(cmd), "\"%s/%s \"%s\"",
197 : : cluster->bindir,
198 : : live_check ? "pg_controldata\"" : resetwal_bin,
199 : : cluster->pgdata);
1104 tgl@sss.pgh.pa.us 200 : 32 : fflush(NULL);
201 : :
5596 bruce@momjian.us 202 [ - + ]: 32 : if ((output = popen(cmd, "r")) == NULL)
543 michael@paquier.xyz 203 :UBC 0 : pg_fatal("could not get control data using %s: %m", cmd);
204 : :
205 : : /* Only in <= 9.2 */
4551 simon@2ndQuadrant.co 206 [ - + ]:CBC 32 : if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
207 : : {
4512 simon@2ndQuadrant.co 208 :UBC 0 : cluster->controldata.data_checksum_version = 0;
209 : 0 : got_data_checksum_version = true;
210 : : }
211 : :
212 : : /* we have the result of cmd in "output". so parse it line by line now */
5596 bruce@momjian.us 213 [ + + ]:CBC 1184 : while (fgets(bufin, sizeof(bufin), output))
214 : : {
215 : : /* In verbose mode, log each line */
1152 tgl@sss.pgh.pa.us 216 : 1152 : pg_strip_crlf(bufin);
4926 bruce@momjian.us 217 : 1152 : pg_log(PG_VERBOSE, "%s", bufin);
218 : :
5596 219 [ + + ]: 1152 : if ((p = strstr(bufin, "pg_control version number:")) != NULL)
220 : : {
221 : 32 : p = strchr(p, ':');
222 : :
223 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 224 :UBC 0 : pg_fatal("%d: pg_resetwal problem", __LINE__);
225 : :
4013 bruce@momjian.us 226 :CBC 32 : p++; /* remove ':' char */
5457 227 : 32 : cluster->controldata.ctrl_ver = str2uint(p);
228 : : }
5596 229 [ + + ]: 1120 : else if ((p = strstr(bufin, "Catalog version number:")) != NULL)
230 : : {
231 : 32 : p = strchr(p, ':');
232 : :
233 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 234 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
235 : :
4013 bruce@momjian.us 236 :CBC 32 : p++; /* remove ':' char */
5457 237 : 32 : cluster->controldata.cat_ver = str2uint(p);
238 : : }
3616 239 [ + + ]: 1088 : else if ((p = strstr(bufin, "Latest checkpoint's TimeLineID:")) != NULL)
240 : : {
5596 241 : 32 : p = strchr(p, ':');
242 : :
243 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 244 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
245 : :
4013 bruce@momjian.us 246 :CBC 32 : p++; /* remove ':' char */
3616 247 : 32 : tli = str2uint(p);
248 : 32 : got_tli = true;
249 : : }
250 [ - + ]: 1056 : else if ((p = strstr(bufin, "First log file ID after reset:")) != NULL)
251 : : {
5596 bruce@momjian.us 252 :UBC 0 : p = strchr(p, ':');
253 : :
254 [ # # # # ]: 0 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 255 : 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
256 : :
4013 bruce@momjian.us 257 : 0 : p++; /* remove ':' char */
3616 258 : 0 : logid = str2uint(p);
259 : 0 : got_log_id = true;
260 : : }
3616 bruce@momjian.us 261 [ - + ]:CBC 1056 : else if ((p = strstr(bufin, "First log file segment after reset:")) != NULL)
262 : : {
5596 bruce@momjian.us 263 :UBC 0 : p = strchr(p, ':');
264 : :
265 [ # # # # ]: 0 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 266 : 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
267 : :
4013 bruce@momjian.us 268 : 0 : p++; /* remove ':' char */
3616 269 : 0 : segno = str2uint(p);
270 : 0 : got_log_seg = true;
271 : : }
5596 bruce@momjian.us 272 [ + + ]:CBC 1056 : else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL)
273 : : {
4019 274 : 32 : p = strchr(p, ':');
275 : :
276 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 277 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
278 : :
4013 bruce@momjian.us 279 :CBC 32 : p++; /* remove ':' char */
4019 280 : 32 : cluster->controldata.chkpnt_nxtepoch = str2uint(p);
281 : :
282 : : /*
283 : : * Delimiter changed from '/' to ':' in 9.6. We don't test for
284 : : * the catalog version of the change because the catalog version
285 : : * is pulled from pg_controldata too, and it isn't worth adding an
286 : : * order dependency for this --- we just check the string.
287 : : */
3494 mail@joeconway.com 288 [ - + ]: 32 : if (strchr(p, '/') != NULL)
3494 mail@joeconway.com 289 :UBC 0 : p = strchr(p, '/');
3494 mail@joeconway.com 290 [ + - ]:CBC 32 : else if (GET_MAJOR_VERSION(cluster->major_version) >= 906)
291 : 32 : p = strchr(p, ':');
292 : : else
3494 mail@joeconway.com 293 :UBC 0 : p = NULL;
294 : :
4019 bruce@momjian.us 295 [ + - - + ]:CBC 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 296 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
297 : :
3494 mail@joeconway.com 298 :CBC 32 : p++; /* remove '/' or ':' char */
4019 bruce@momjian.us 299 : 32 : cluster->controldata.chkpnt_nxtxid = str2uint(p);
5596 300 : 32 : got_xid = true;
301 : : }
302 [ + + ]: 1024 : else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL)
303 : : {
304 : 32 : p = strchr(p, ':');
305 : :
306 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 307 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
308 : :
4013 bruce@momjian.us 309 :CBC 32 : p++; /* remove ':' char */
5457 310 : 32 : cluster->controldata.chkpnt_nxtoid = str2uint(p);
5596 311 : 32 : got_oid = true;
312 : : }
4609 alvherre@alvh.no-ip. 313 [ + + ]: 992 : else if ((p = strstr(bufin, "Latest checkpoint's NextMultiXactId:")) != NULL)
314 : : {
315 : 32 : p = strchr(p, ':');
316 : :
317 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 318 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
319 : :
4013 bruce@momjian.us 320 :CBC 32 : p++; /* remove ':' char */
4609 alvherre@alvh.no-ip. 321 : 32 : cluster->controldata.chkpnt_nxtmulti = str2uint(p);
322 : 32 : got_multi = true;
323 : : }
1503 bruce@momjian.us 324 [ + + ]: 960 : else if ((p = strstr(bufin, "Latest checkpoint's oldestXID:")) != NULL)
325 : : {
326 : 32 : p = strchr(p, ':');
327 : :
328 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 329 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
330 : :
1503 bruce@momjian.us 331 :CBC 32 : p++; /* remove ':' char */
332 : 32 : cluster->controldata.chkpnt_oldstxid = str2uint(p);
333 : 32 : got_oldestxid = true;
334 : : }
4609 alvherre@alvh.no-ip. 335 [ + + ]: 928 : else if ((p = strstr(bufin, "Latest checkpoint's oldestMultiXid:")) != NULL)
336 : : {
337 : 32 : p = strchr(p, ':');
338 : :
339 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 340 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
341 : :
4013 bruce@momjian.us 342 :CBC 32 : p++; /* remove ':' char */
4609 alvherre@alvh.no-ip. 343 : 32 : cluster->controldata.chkpnt_oldstMulti = str2uint(p);
344 : 32 : got_oldestmulti = true;
345 : : }
346 [ + + ]: 896 : else if ((p = strstr(bufin, "Latest checkpoint's NextMultiOffset:")) != NULL)
347 : : {
348 : 32 : p = strchr(p, ':');
349 : :
350 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 351 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
352 : :
4013 bruce@momjian.us 353 :CBC 32 : p++; /* remove ':' char */
4609 alvherre@alvh.no-ip. 354 : 32 : cluster->controldata.chkpnt_nxtmxoff = str2uint(p);
355 : 32 : got_mxoff = true;
356 : : }
1087 tgl@sss.pgh.pa.us 357 [ + + ]: 864 : else if ((p = strstr(bufin, "First log segment after reset:")) != NULL)
358 : : {
359 : : /* Skip the colon and any whitespace after it */
3768 bruce@momjian.us 360 : 32 : p = strchr(p, ':');
361 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 362 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
3768 bruce@momjian.us 363 :CBC 32 : p = strpbrk(p, "01234567890ABCDEF");
364 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 365 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
366 : :
367 : : /* Make sure it looks like a valid WAL file name */
3768 bruce@momjian.us 368 [ - + ]:CBC 32 : if (strspn(p, "0123456789ABCDEF") != 24)
1152 tgl@sss.pgh.pa.us 369 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
370 : :
3768 bruce@momjian.us 371 :CBC 32 : strlcpy(cluster->controldata.nextxlogfile, p, 25);
372 : 32 : got_nextxlogfile = true;
373 : : }
3616 374 [ + + ]: 832 : else if ((p = strstr(bufin, "Float8 argument passing:")) != NULL)
375 : : {
376 : 32 : p = strchr(p, ':');
377 : :
378 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 379 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
380 : :
3616 bruce@momjian.us 381 :CBC 32 : p++; /* remove ':' char */
382 : : /* used later for contrib check */
383 : 32 : cluster->controldata.float8_pass_by_value = strstr(p, "by value") != NULL;
384 : 32 : got_float8_pass_by_value = true;
385 : : }
5596 386 [ + + ]: 800 : else if ((p = strstr(bufin, "Maximum data alignment:")) != NULL)
387 : : {
388 : 32 : p = strchr(p, ':');
389 : :
390 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 391 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
392 : :
4013 bruce@momjian.us 393 :CBC 32 : p++; /* remove ':' char */
5457 394 : 32 : cluster->controldata.align = str2uint(p);
5596 395 : 32 : got_align = true;
396 : : }
397 [ + + ]: 768 : else if ((p = strstr(bufin, "Database block size:")) != NULL)
398 : : {
399 : 32 : p = strchr(p, ':');
400 : :
401 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 402 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
403 : :
4013 bruce@momjian.us 404 :CBC 32 : p++; /* remove ':' char */
5457 405 : 32 : cluster->controldata.blocksz = str2uint(p);
5596 406 : 32 : got_blocksz = true;
407 : : }
408 [ + + ]: 736 : else if ((p = strstr(bufin, "Blocks per segment of large relation:")) != NULL)
409 : : {
410 : 32 : p = strchr(p, ':');
411 : :
412 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 413 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
414 : :
4013 bruce@momjian.us 415 :CBC 32 : p++; /* remove ':' char */
5457 416 : 32 : cluster->controldata.largesz = str2uint(p);
5596 417 : 32 : got_largesz = true;
418 : : }
419 [ + + ]: 704 : else if ((p = strstr(bufin, "WAL block size:")) != NULL)
420 : : {
421 : 32 : p = strchr(p, ':');
422 : :
423 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 424 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
425 : :
4013 bruce@momjian.us 426 :CBC 32 : p++; /* remove ':' char */
5457 427 : 32 : cluster->controldata.walsz = str2uint(p);
5596 428 : 32 : got_walsz = true;
429 : : }
430 [ + + ]: 672 : else if ((p = strstr(bufin, "Bytes per WAL segment:")) != NULL)
431 : : {
432 : 32 : p = strchr(p, ':');
433 : :
434 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 435 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
436 : :
4013 bruce@momjian.us 437 :CBC 32 : p++; /* remove ':' char */
5457 438 : 32 : cluster->controldata.walseg = str2uint(p);
5596 439 : 32 : got_walseg = true;
440 : : }
441 [ + + ]: 640 : else if ((p = strstr(bufin, "Maximum length of identifiers:")) != NULL)
442 : : {
443 : 32 : p = strchr(p, ':');
444 : :
445 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 446 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
447 : :
4013 bruce@momjian.us 448 :CBC 32 : p++; /* remove ':' char */
5457 449 : 32 : cluster->controldata.ident = str2uint(p);
5596 450 : 32 : got_ident = true;
451 : : }
452 [ + + ]: 608 : else if ((p = strstr(bufin, "Maximum columns in an index:")) != NULL)
453 : : {
454 : 32 : p = strchr(p, ':');
455 : :
456 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 457 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
458 : :
4013 bruce@momjian.us 459 :CBC 32 : p++; /* remove ':' char */
5457 460 : 32 : cluster->controldata.index = str2uint(p);
5596 461 : 32 : got_index = true;
462 : : }
463 [ + + ]: 576 : else if ((p = strstr(bufin, "Maximum size of a TOAST chunk:")) != NULL)
464 : : {
465 : 32 : p = strchr(p, ':');
466 : :
467 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 468 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
469 : :
4013 bruce@momjian.us 470 :CBC 32 : p++; /* remove ':' char */
5457 471 : 32 : cluster->controldata.toast = str2uint(p);
5596 472 : 32 : got_toast = true;
473 : : }
4014 474 [ + + ]: 544 : else if ((p = strstr(bufin, "Size of a large-object chunk:")) != NULL)
475 : : {
476 : 32 : p = strchr(p, ':');
477 : :
478 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 479 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
480 : :
4013 bruce@momjian.us 481 :CBC 32 : p++; /* remove ':' char */
4014 482 : 32 : cluster->controldata.large_object = str2uint(p);
483 : 32 : got_large_object = true;
484 : : }
5596 485 [ + + ]: 512 : else if ((p = strstr(bufin, "Date/time type storage:")) != NULL)
486 : : {
487 : 32 : p = strchr(p, ':');
488 : :
489 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 490 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
491 : :
4013 bruce@momjian.us 492 :CBC 32 : p++; /* remove ':' char */
5596 493 : 32 : cluster->controldata.date_is_int = strstr(p, "64-bit integers") != NULL;
494 : 32 : got_date_is_int = true;
495 : : }
4512 simon@2ndQuadrant.co 496 [ + + ]: 480 : else if ((p = strstr(bufin, "checksum")) != NULL)
497 : : {
4551 498 : 32 : p = strchr(p, ':');
499 : :
500 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
1152 tgl@sss.pgh.pa.us 501 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
502 : :
4013 bruce@momjian.us 503 :CBC 32 : p++; /* remove ':' char */
4512 simon@2ndQuadrant.co 504 : 32 : cluster->controldata.data_checksum_version = str2uint(p);
505 : 32 : got_data_checksum_version = true;
506 : : }
197 msawada@postgresql.o 507 [ + + ]: 448 : else if ((p = strstr(bufin, "Default char data signedness:")) != NULL)
508 : : {
509 : 32 : p = strchr(p, ':');
510 : :
511 [ + - - + ]: 32 : if (p == NULL || strlen(p) <= 1)
197 msawada@postgresql.o 512 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
513 : :
514 : : /* Skip the colon and any whitespace after it */
197 msawada@postgresql.o 515 :CBC 32 : p++;
516 [ + + ]: 320 : while (isspace((unsigned char) *p))
517 : 288 : p++;
518 : :
519 : : /* The value should be either 'signed' or 'unsigned' */
520 [ + + - + ]: 32 : if (strcmp(p, "signed") != 0 && strcmp(p, "unsigned") != 0)
197 msawada@postgresql.o 521 :UBC 0 : pg_fatal("%d: controldata retrieval problem", __LINE__);
522 : :
197 msawada@postgresql.o 523 :CBC 32 : cluster->controldata.default_char_signedness = strcmp(p, "signed") == 0;
524 : 32 : got_default_char_signedness = true;
525 : : }
526 : : }
527 : :
1026 peter@eisentraut.org 528 : 32 : rc = pclose(output);
529 [ - + ]: 32 : if (rc != 0)
1026 peter@eisentraut.org 530 :UBC 0 : pg_fatal("could not get control data using %s: %s",
531 : : cmd, wait_result_to_str(rc));
532 : :
533 : : /*
534 : : * Restore environment variables. Note all but LANG and LC_MESSAGES were
535 : : * unset above.
536 : : */
1711 tgl@sss.pgh.pa.us 537 [ - + ]:CBC 32 : if (lc_collate)
1711 tgl@sss.pgh.pa.us 538 :UBC 0 : setenv("LC_COLLATE", lc_collate, 1);
1711 tgl@sss.pgh.pa.us 539 [ - + ]:CBC 32 : if (lc_ctype)
1711 tgl@sss.pgh.pa.us 540 :UBC 0 : setenv("LC_CTYPE", lc_ctype, 1);
1711 tgl@sss.pgh.pa.us 541 [ - + ]:CBC 32 : if (lc_monetary)
1711 tgl@sss.pgh.pa.us 542 :UBC 0 : setenv("LC_MONETARY", lc_monetary, 1);
1711 tgl@sss.pgh.pa.us 543 [ + - ]:CBC 32 : if (lc_numeric)
1711 tgl@sss.pgh.pa.us 544 :GBC 32 : setenv("LC_NUMERIC", lc_numeric, 1);
1711 tgl@sss.pgh.pa.us 545 [ - + ]:CBC 32 : if (lc_time)
1711 tgl@sss.pgh.pa.us 546 :UBC 0 : setenv("LC_TIME", lc_time, 1);
1711 tgl@sss.pgh.pa.us 547 [ + - ]:CBC 32 : if (lang)
548 : 32 : setenv("LANG", lang, 1);
549 : : else
1711 tgl@sss.pgh.pa.us 550 :UBC 0 : unsetenv("LANG");
1711 tgl@sss.pgh.pa.us 551 [ - + ]:CBC 32 : if (language)
1711 tgl@sss.pgh.pa.us 552 :UBC 0 : setenv("LANGUAGE", language, 1);
1711 tgl@sss.pgh.pa.us 553 [ - + ]:CBC 32 : if (lc_all)
1711 tgl@sss.pgh.pa.us 554 :UBC 0 : setenv("LC_ALL", lc_all, 1);
1711 tgl@sss.pgh.pa.us 555 [ + - ]:CBC 32 : if (lc_messages)
556 : 32 : setenv("LC_MESSAGES", lc_messages, 1);
557 : : else
1711 tgl@sss.pgh.pa.us 558 :UBC 0 : unsetenv("LC_MESSAGES");
559 : :
5478 bruce@momjian.us 560 :CBC 32 : pg_free(lc_collate);
561 : 32 : pg_free(lc_ctype);
562 : 32 : pg_free(lc_monetary);
563 : 32 : pg_free(lc_numeric);
564 : 32 : pg_free(lc_time);
565 : 32 : pg_free(lang);
566 : 32 : pg_free(language);
567 : 32 : pg_free(lc_all);
568 : 32 : pg_free(lc_messages);
569 : :
570 : : /*
571 : : * Before 9.3, pg_resetwal reported the xlogid and segno of the first log
572 : : * file after reset as separate lines. Starting with 9.3, it reports the
573 : : * WAL file name. If the old cluster is older than 9.3, we construct the
574 : : * WAL file name from the xlogid and segno.
575 : : */
4820 heikki.linnakangas@i 576 [ - + ]: 32 : if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
577 : : {
3768 bruce@momjian.us 578 [ # # # # :UBC 0 : if (got_tli && got_log_id && got_log_seg)
# # ]
579 : : {
4818 alvherre@alvh.no-ip. 580 : 0 : snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X",
581 : : tli, logid, segno);
4820 heikki.linnakangas@i 582 : 0 : got_nextxlogfile = true;
583 : : }
584 : : }
585 : :
586 : : /*
587 : : * Pre-v18 database clusters don't have the default char signedness
588 : : * information. We use the char signedness of the platform where
589 : : * pg_upgrade was built.
590 : : */
197 msawada@postgresql.o 591 [ - + ]:CBC 32 : if (cluster->controldata.cat_ver < DEFAULT_CHAR_SIGNEDNESS_CAT_VER)
592 : : {
197 msawada@postgresql.o 593 [ # # ]:UBC 0 : Assert(!got_default_char_signedness);
594 : : #if CHAR_MIN != 0
595 : 0 : cluster->controldata.default_char_signedness = true;
596 : : #else
597 : : cluster->controldata.default_char_signedness = false;
598 : : #endif
599 : : }
600 : :
601 : : /* verify that we got all the mandatory pg_control data */
5596 bruce@momjian.us 602 [ + - + - ]:CBC 32 : if (!got_xid || !got_oid ||
1503 603 [ + - + - ]: 32 : !got_multi || !got_oldestxid ||
4573 alvherre@alvh.no-ip. 604 [ - + ]: 32 : (!got_oldestmulti &&
4573 alvherre@alvh.no-ip. 605 [ # # ]:UBC 0 : cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) ||
3768 bruce@momjian.us 606 [ + - + - :CBC 32 : !got_mxoff || (!live_check && !got_nextxlogfile) ||
+ - ]
3616 607 [ + - + - : 32 : !got_float8_pass_by_value || !got_align || !got_blocksz ||
+ - ]
608 [ + - + - : 32 : !got_largesz || !got_walsz || !got_walseg || !got_ident ||
+ - + - ]
609 [ + - + - ]: 32 : !got_index || !got_toast ||
4014 610 [ - + ]: 32 : (!got_large_object &&
4014 bruce@momjian.us 611 [ # # ]:UBC 0 : cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER) ||
197 msawada@postgresql.o 612 [ + - + - ]:CBC 32 : !got_date_is_int || !got_data_checksum_version ||
613 [ - + ]: 32 : (!got_default_char_signedness &&
197 msawada@postgresql.o 614 [ # # ]:UBC 0 : cluster->controldata.cat_ver >= DEFAULT_CHAR_SIGNEDNESS_CAT_VER))
615 : : {
2976 alvherre@alvh.no-ip. 616 [ # # ]: 0 : if (cluster == &old_cluster)
617 : 0 : pg_log(PG_REPORT,
618 : : "The source cluster lacks some required control information:");
619 : : else
620 : 0 : pg_log(PG_REPORT,
621 : : "The target cluster lacks some required control information:");
622 : :
5596 bruce@momjian.us 623 [ # # ]: 0 : if (!got_xid)
1152 tgl@sss.pgh.pa.us 624 : 0 : pg_log(PG_REPORT, " checkpoint next XID");
625 : :
5596 bruce@momjian.us 626 [ # # ]: 0 : if (!got_oid)
1152 tgl@sss.pgh.pa.us 627 : 0 : pg_log(PG_REPORT, " latest checkpoint next OID");
628 : :
4609 alvherre@alvh.no-ip. 629 [ # # ]: 0 : if (!got_multi)
1152 tgl@sss.pgh.pa.us 630 : 0 : pg_log(PG_REPORT, " latest checkpoint next MultiXactId");
631 : :
4573 alvherre@alvh.no-ip. 632 [ # # ]: 0 : if (!got_oldestmulti &&
633 [ # # ]: 0 : cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER)
1152 tgl@sss.pgh.pa.us 634 : 0 : pg_log(PG_REPORT, " latest checkpoint oldest MultiXactId");
635 : :
1503 bruce@momjian.us 636 [ # # ]: 0 : if (!got_oldestxid)
1152 tgl@sss.pgh.pa.us 637 : 0 : pg_log(PG_REPORT, " latest checkpoint oldestXID");
638 : :
3768 bruce@momjian.us 639 [ # # ]: 0 : if (!got_mxoff)
1152 tgl@sss.pgh.pa.us 640 : 0 : pg_log(PG_REPORT, " latest checkpoint next MultiXactOffset");
641 : :
4820 heikki.linnakangas@i 642 [ # # # # ]: 0 : if (!live_check && !got_nextxlogfile)
1152 tgl@sss.pgh.pa.us 643 : 0 : pg_log(PG_REPORT, " first WAL segment after reset");
644 : :
3616 bruce@momjian.us 645 [ # # ]: 0 : if (!got_float8_pass_by_value)
1152 tgl@sss.pgh.pa.us 646 : 0 : pg_log(PG_REPORT, " float8 argument passing method");
647 : :
5596 bruce@momjian.us 648 [ # # ]: 0 : if (!got_align)
1152 tgl@sss.pgh.pa.us 649 : 0 : pg_log(PG_REPORT, " maximum alignment");
650 : :
5596 bruce@momjian.us 651 [ # # ]: 0 : if (!got_blocksz)
1152 tgl@sss.pgh.pa.us 652 : 0 : pg_log(PG_REPORT, " block size");
653 : :
5596 bruce@momjian.us 654 [ # # ]: 0 : if (!got_largesz)
1152 tgl@sss.pgh.pa.us 655 : 0 : pg_log(PG_REPORT, " large relation segment size");
656 : :
5596 bruce@momjian.us 657 [ # # ]: 0 : if (!got_walsz)
1152 tgl@sss.pgh.pa.us 658 : 0 : pg_log(PG_REPORT, " WAL block size");
659 : :
5596 bruce@momjian.us 660 [ # # ]: 0 : if (!got_walseg)
1152 tgl@sss.pgh.pa.us 661 : 0 : pg_log(PG_REPORT, " WAL segment size");
662 : :
5596 bruce@momjian.us 663 [ # # ]: 0 : if (!got_ident)
1152 tgl@sss.pgh.pa.us 664 : 0 : pg_log(PG_REPORT, " maximum identifier length");
665 : :
5596 bruce@momjian.us 666 [ # # ]: 0 : if (!got_index)
1152 tgl@sss.pgh.pa.us 667 : 0 : pg_log(PG_REPORT, " maximum number of indexed columns");
668 : :
5596 bruce@momjian.us 669 [ # # ]: 0 : if (!got_toast)
1152 tgl@sss.pgh.pa.us 670 : 0 : pg_log(PG_REPORT, " maximum TOAST chunk size");
671 : :
4014 bruce@momjian.us 672 [ # # ]: 0 : if (!got_large_object &&
673 [ # # ]: 0 : cluster->controldata.ctrl_ver >= LARGE_OBJECT_SIZE_PG_CONTROL_VER)
1152 tgl@sss.pgh.pa.us 674 : 0 : pg_log(PG_REPORT, " large-object chunk size");
675 : :
5596 bruce@momjian.us 676 [ # # ]: 0 : if (!got_date_is_int)
1152 tgl@sss.pgh.pa.us 677 : 0 : pg_log(PG_REPORT, " dates/times are integers?");
678 : :
679 : : /* value added in Postgres 9.3 */
4512 simon@2ndQuadrant.co 680 [ # # ]: 0 : if (!got_data_checksum_version)
1152 tgl@sss.pgh.pa.us 681 : 0 : pg_log(PG_REPORT, " data checksum version");
682 : :
683 : : /* value added in Postgres 18 */
197 msawada@postgresql.o 684 [ # # ]: 0 : if (!got_default_char_signedness)
685 : 0 : pg_log(PG_REPORT, " default char signedness");
686 : :
1152 tgl@sss.pgh.pa.us 687 : 0 : pg_fatal("Cannot continue without required control information, terminating");
688 : : }
5596 bruce@momjian.us 689 :CBC 32 : }
690 : :
691 : :
692 : : /*
693 : : * check_control_data()
694 : : *
695 : : * check to make sure the control data settings are compatible
696 : : */
697 : : void
5436 698 : 16 : check_control_data(ControlData *oldctrl,
699 : : ControlData *newctrl)
700 : : {
5596 701 [ + - - + ]: 16 : if (oldctrl->align == 0 || oldctrl->align != newctrl->align)
1152 tgl@sss.pgh.pa.us 702 :UBC 0 : pg_fatal("old and new pg_controldata alignments are invalid or do not match.\n"
703 : : "Likely one cluster is a 32-bit install, the other 64-bit");
704 : :
5596 bruce@momjian.us 705 [ + - - + ]:CBC 16 : if (oldctrl->blocksz == 0 || oldctrl->blocksz != newctrl->blocksz)
1152 tgl@sss.pgh.pa.us 706 :UBC 0 : pg_fatal("old and new pg_controldata block sizes are invalid or do not match");
707 : :
5596 bruce@momjian.us 708 [ + - - + ]:CBC 16 : if (oldctrl->largesz == 0 || oldctrl->largesz != newctrl->largesz)
1152 tgl@sss.pgh.pa.us 709 :UBC 0 : pg_fatal("old and new pg_controldata maximum relation segment sizes are invalid or do not match");
710 : :
5596 bruce@momjian.us 711 [ + - - + ]:CBC 16 : if (oldctrl->walsz == 0 || oldctrl->walsz != newctrl->walsz)
1152 tgl@sss.pgh.pa.us 712 :UBC 0 : pg_fatal("old and new pg_controldata WAL block sizes are invalid or do not match");
713 : :
5596 bruce@momjian.us 714 [ + - - + ]:CBC 16 : if (oldctrl->walseg == 0 || oldctrl->walseg != newctrl->walseg)
1152 tgl@sss.pgh.pa.us 715 :UBC 0 : pg_fatal("old and new pg_controldata WAL segment sizes are invalid or do not match");
716 : :
5596 bruce@momjian.us 717 [ + - - + ]:CBC 16 : if (oldctrl->ident == 0 || oldctrl->ident != newctrl->ident)
1152 tgl@sss.pgh.pa.us 718 :UBC 0 : pg_fatal("old and new pg_controldata maximum identifier lengths are invalid or do not match");
719 : :
5596 bruce@momjian.us 720 [ + - - + ]:CBC 16 : if (oldctrl->index == 0 || oldctrl->index != newctrl->index)
1152 tgl@sss.pgh.pa.us 721 :UBC 0 : pg_fatal("old and new pg_controldata maximum indexed columns are invalid or do not match");
722 : :
5596 bruce@momjian.us 723 [ + - - + ]:CBC 16 : if (oldctrl->toast == 0 || oldctrl->toast != newctrl->toast)
1152 tgl@sss.pgh.pa.us 724 :UBC 0 : pg_fatal("old and new pg_controldata maximum TOAST chunk sizes are invalid or do not match");
725 : :
726 : : /* large_object added in 9.5, so it might not exist in the old cluster */
4014 bruce@momjian.us 727 [ + - ]:CBC 16 : if (oldctrl->large_object != 0 &&
728 [ - + ]: 16 : oldctrl->large_object != newctrl->large_object)
1152 tgl@sss.pgh.pa.us 729 :UBC 0 : pg_fatal("old and new pg_controldata large-object chunk sizes are invalid or do not match");
730 : :
5596 bruce@momjian.us 731 [ - + ]:CBC 16 : if (oldctrl->date_is_int != newctrl->date_is_int)
1152 tgl@sss.pgh.pa.us 732 :UBC 0 : pg_fatal("old and new pg_controldata date/time storage types do not match");
733 : :
734 : : /*
735 : : * float8_pass_by_value does not need to match, but is used in
736 : : * check_for_isn_and_int8_passing_mismatch().
737 : : */
738 : :
739 : : /*
740 : : * We might eventually allow upgrades from checksum to no-checksum
741 : : * clusters.
742 : : */
3860 bruce@momjian.us 743 [ - + ]:CBC 16 : if (oldctrl->data_checksum_version == 0 &&
3860 bruce@momjian.us 744 [ # # ]:UBC 0 : newctrl->data_checksum_version != 0)
1152 tgl@sss.pgh.pa.us 745 : 0 : pg_fatal("old cluster does not use data checksums but the new one does");
3860 bruce@momjian.us 746 [ + - ]:CBC 16 : else if (oldctrl->data_checksum_version != 0 &&
747 [ - + ]: 16 : newctrl->data_checksum_version == 0)
1152 tgl@sss.pgh.pa.us 748 :UBC 0 : pg_fatal("old cluster uses data checksums but the new one does not");
3860 bruce@momjian.us 749 [ - + ]:CBC 16 : else if (oldctrl->data_checksum_version != newctrl->data_checksum_version)
1152 tgl@sss.pgh.pa.us 750 :UBC 0 : pg_fatal("old and new cluster pg_controldata checksum versions do not match");
5596 bruce@momjian.us 751 :CBC 16 : }
752 : :
753 : :
754 : : void
165 nathan@postgresql.or 755 : 2 : disable_old_cluster(transferMode transfer_mode)
756 : : {
757 : : char old_path[MAXPGPATH],
758 : : new_path[MAXPGPATH];
759 : :
760 : : /* rename pg_control so old server cannot be accidentally started */
761 : : /* translator: %s is the file path of the control file */
141 fujii@postgresql.org 762 : 2 : prep_status("Adding \".old\" suffix to old \"%s\"", XLOG_CONTROL_FILE);
763 : :
152 764 : 2 : snprintf(old_path, sizeof(old_path), "%s/%s", old_cluster.pgdata, XLOG_CONTROL_FILE);
765 : 2 : snprintf(new_path, sizeof(new_path), "%s/%s.old", old_cluster.pgdata, XLOG_CONTROL_FILE);
5596 bruce@momjian.us 766 [ - + ]: 2 : if (pg_mv_file(old_path, new_path) != 0)
1152 tgl@sss.pgh.pa.us 767 :UBC 0 : pg_fatal("could not rename file \"%s\" to \"%s\": %m",
768 : : old_path, new_path);
5436 bruce@momjian.us 769 :CBC 2 : check_ok();
770 : :
165 nathan@postgresql.or 771 [ + + ]: 2 : if (transfer_mode == TRANSFER_MODE_LINK)
772 : : /* translator: %s/%s is the file path of the control file */
773 : 1 : pg_log(PG_REPORT, "\n"
774 : : "If you want to start the old cluster, you will need to remove\n"
775 : : "the \".old\" suffix from \"%s/%s.old\".\n"
776 : : "Because \"link\" mode was used, the old cluster cannot be safely\n"
777 : : "started once the new cluster has been started.",
778 : : old_cluster.pgdata, XLOG_CONTROL_FILE);
779 [ + - ]: 1 : else if (transfer_mode == TRANSFER_MODE_SWAP)
780 : 1 : pg_log(PG_REPORT, "\n"
781 : : "Because \"swap\" mode was used, the old cluster can no longer be\n"
782 : : "safely started.");
783 : : else
165 nathan@postgresql.or 784 :UBC 0 : pg_fatal("unrecognized transfer mode");
5596 bruce@momjian.us 785 :CBC 2 : }
|
