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dump.c File Reference
#include "postgres_fe.h"
#include "pg_upgrade.h"
#include <sys/types.h>
#include "fe_utils/string_utils.h"
Include dependency graph for dump.c:

Go to the source code of this file.

Functions

void generate_old_dump (void)
 

Function Documentation

void generate_old_dump ( void  )

Definition at line 19 of file dump.c.

References appendConnStrVal(), appendPQExpBuffer(), appendShellString(), ClusterInfo::bindir, check_ok(), cluster_conn_opts(), connstr, PQExpBufferData::data, DB_DUMP_FILE_MASK, DB_DUMP_LOG_FILE_MASK, DbInfo::db_name, DbInfo::db_oid, ClusterInfo::dbarr, DbInfoArr::dbs, end_progress_output(), exec_prog(), GLOBALS_DUMP_FILE, initPQExpBuffer(), log_opts, MAXPGPATH, DbInfoArr::ndbs, new_cluster, NULL, old_cluster, parallel_exec_prog(), pg_log(), PG_STATUS, prep_status(), reap_child(), S_IRWXG, S_IRWXO, snprintf(), termPQExpBuffer(), UTILITY_LOG_FILE, and LogOpts::verbose.

Referenced by check_and_dump_old_cluster().

20 {
21  int dbnum;
22  mode_t old_umask;
23 
24  prep_status("Creating dump of global objects");
25 
26  /* run new pg_dumpall binary for globals */
28  "\"%s/pg_dumpall\" %s --globals-only --quote-all-identifiers "
29  "--binary-upgrade %s -f %s",
31  log_opts.verbose ? "--verbose" : "",
33  check_ok();
34 
35  prep_status("Creating dump of database schemas\n");
36 
37  /*
38  * Set umask for this function, all functions it calls, and all
39  * subprocesses/threads it creates. We can't use fopen_priv() as Windows
40  * uses threads and umask is process-global.
41  */
42  old_umask = umask(S_IRWXG | S_IRWXO);
43 
44  /* create per-db dump files */
45  for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
46  {
47  char sql_file_name[MAXPGPATH],
48  log_file_name[MAXPGPATH];
49  DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
51  escaped_connstr;
52 
53  initPQExpBuffer(&connstr);
54  appendPQExpBuffer(&connstr, "dbname=");
55  appendConnStrVal(&connstr, old_db->db_name);
56  initPQExpBuffer(&escaped_connstr);
57  appendShellString(&escaped_connstr, connstr.data);
58  termPQExpBuffer(&connstr);
59 
60  pg_log(PG_STATUS, "%s", old_db->db_name);
61  snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
62  snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
63 
64  parallel_exec_prog(log_file_name, NULL,
65  "\"%s/pg_dump\" %s --schema-only --quote-all-identifiers "
66  "--binary-upgrade --format=custom %s --file=\"%s\" %s",
68  log_opts.verbose ? "--verbose" : "",
69  sql_file_name, escaped_connstr.data);
70 
71  termPQExpBuffer(&escaped_connstr);
72  }
73 
74  /* reap all children */
75  while (reap_child(true) == true)
76  ;
77 
78  umask(old_umask);
79 
81  check_ok();
82 }
void parallel_exec_prog(const char *log_file, const char *opt_log_file, const char *fmt,...)
Definition: parallel.c:66
void termPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:128
void end_progress_output(void)
Definition: util.c:44
void appendConnStrVal(PQExpBuffer buf, const char *str)
Definition: string_utils.c:536
int snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
PGresult char * cluster_conn_opts(ClusterInfo *cluster)
Definition: server.c:88
LogOpts log_opts
Definition: util.c:18
Oid db_oid
Definition: pg_upgrade.h:186
ClusterInfo new_cluster
Definition: pg_upgrade.c:55
#define MAXPGPATH
void appendPQExpBuffer(PQExpBuffer str, const char *fmt,...)
Definition: pqexpbuffer.c:262
void prep_status(const char *fmt,...) pg_attribute_printf(1
ClusterInfo old_cluster
Definition: pg_upgrade.c:55
void pg_log(eLogType type, const char *fmt,...)
Definition: logging.c:69
static void check_ok(void)
Definition: initdb.c:1988
#define DB_DUMP_FILE_MASK
Definition: pg_upgrade.h:33
bool verbose
Definition: pg_upgrade.h:287
char * bindir
Definition: pg_upgrade.h:269
#define S_IRWXO
Definition: win32.h:484
void appendShellString(PQExpBuffer buf, const char *str)
Definition: string_utils.c:430
DbInfoArr dbarr
Definition: pg_upgrade.h:265
#define NULL
Definition: c.h:226
#define DB_DUMP_LOG_FILE_MASK
Definition: pg_upgrade.h:35
bool reap_child(bool wait_for_child)
Definition: parallel.c:293
#define S_IRWXG
Definition: win32.h:480
#define UTILITY_LOG_FILE
Definition: pg_upgrade.h:37
bool exec_prog(const char *log_file, const char *opt_log_file, bool throw_error, const char *fmt,...)
Definition: exec.c:78
char * db_name
Definition: pg_upgrade.h:187
#define GLOBALS_DUMP_FILE
Definition: pg_upgrade.h:32
DbInfo * dbs
Definition: pg_upgrade.h:198
void initPQExpBuffer(PQExpBuffer str)
Definition: pqexpbuffer.c:89
static char * connstr
Definition: pg_dumpall.c:67