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Postgres FD Implementation
Commit a6f56efc authored by Bruce Momjian's avatar Bruce Momjian
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PG_MAJORVERSION: 

For simplicity, use PG_MAJORVERSION rather than PG_VERSION for creation
of the PG_VERSION file.
parent 9261b19f
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Showing with 20 additions and 90 deletions
src/backend/commands/tablespace.c
View file @ a6f56efc
......@@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.67 2010/01/06 01:48:09 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.68 2010/01/06 23:23:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -82,7 +82,7 @@ char *temp_tablespaces = NULL;
static bool remove_tablespace_directories(Oid tablespaceoid, bool redo);
static void set_short_version(const char *path);
static void write_version_file(const char *path);
/*
......@@ -332,7 +332,7 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
* (the emptiness check above will fail), and to label tablespace
* directories by PG version.
*/
set_short_version(location);
write_version_file(location);
/*
* All seems well, create the symlink
......@@ -673,46 +673,21 @@ remove_tablespace_directories(Oid tablespaceoid, bool redo)
* write out the PG_VERSION file in the specified directory
*/
static void
set_short_version(const char *path)
write_version_file(const char *path)
{
char *short_version;
bool gotdot = false;
int end;
char *fullname;
FILE *version_file;
/* Construct short version string (should match initdb.c) */
short_version = pstrdup(PG_VERSION);
for (end = 0; short_version[end] != '\0'; end++)
{
if (short_version[end] == '.')
{
Assert(end != 0);
if (gotdot)
break;
else
gotdot = true;
}
else if (short_version[end] < '0' || short_version[end] > '9')
{
/* gone past digits and dots */
break;
}
}
Assert(end > 0 && short_version[end - 1] != '.' && gotdot);
short_version[end] = '\0';
/* Now write the file */
fullname = palloc(strlen(path) + 11 + 1);
sprintf(fullname, "%s/PG_VERSION", path);
version_file = AllocateFile(fullname, PG_BINARY_W);
if (version_file == NULL)
if ((version_file = AllocateFile(fullname, PG_BINARY_W)) == NULL)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m",
fullname)));
fprintf(version_file, "%s\n", short_version);
fprintf(version_file, "%s\n", PG_MAJORVERSION);
if (FreeFile(version_file))
ereport(ERROR,
(errcode_for_file_access(),
......@@ -720,7 +695,6 @@ set_short_version(const char *path)
fullname)));
pfree(fullname);
pfree(short_version);
}
/*
......@@ -1370,7 +1344,7 @@ tblspc_redo(XLogRecPtr lsn, XLogRecord *record)
location)));
/* Create or re-create the PG_VERSION file in the target directory */
set_short_version(location);
write_version_file(location);
/* Create the symlink if not already present */
linkloc = (char *) palloc(OIDCHARS + OIDCHARS + 1);
......
src/bin/initdb/initdb.c
View file @ a6f56efc
......@@ -42,7 +42,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
* Portions taken from FreeBSD.
*
* $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.181 2010/01/02 16:57:58 momjian Exp $
* $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.182 2010/01/06 23:23:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -156,16 +156,15 @@ static int mkdir_p(char *path, mode_t omode);
static void exit_nicely(void);
static char *get_id(void);
static char *get_encoding_id(char *encoding_name);
static char *get_short_version(void);
static int check_data_dir(char *dir);
static bool mkdatadir(const char *subdir);
static void set_input(char **dest, char *filename);
static void check_input(char *path);
static void set_short_version(char *short_version, char *extrapath);
static void write_version_file(char *extrapath);
static void set_null_conf(void);
static void test_config_settings(void);
static void setup_config(void);
static void bootstrap_template1(char *short_version);
static void bootstrap_template1(void);
static void setup_auth(void);
static void get_set_pwd(void);
static void setup_depend(void);
......@@ -802,42 +801,6 @@ find_matching_ts_config(const char *lc_type)
}
/*
* get short version of VERSION
*/
static char *
get_short_version(void)
{
bool gotdot = false;
int end;
char *vr;
vr = xstrdup(PG_VERSION);
for (end = 0; vr[end] != '\0'; end++)
{
if (vr[end] == '.')
{
if (end == 0)
return NULL;
else if (gotdot)
break;
else
gotdot = true;
}
else if (vr[end] < '0' || vr[end] > '9')
{
/* gone past digits and dots */
break;
}
}
if (end == 0 || vr[end - 1] == '.' || !gotdot)
return NULL;
vr[end] = '\0';
return vr;
}
/*
* make sure the directory either doesn't exist or is empty
*
......@@ -972,7 +935,7 @@ check_input(char *path)
* if extrapath is not NULL
*/
static void
set_short_version(char *short_version, char *extrapath)
write_version_file(char *extrapath)
{
FILE *version_file;
char *path;
......@@ -987,14 +950,14 @@ set_short_version(char *short_version, char *extrapath)
path = pg_malloc(strlen(pg_data) + strlen(extrapath) + 13);
sprintf(path, "%s/%s/PG_VERSION", pg_data, extrapath);
}
version_file = fopen(path, PG_BINARY_W);
if (version_file == NULL)
if ((version_file = fopen(path, PG_BINARY_W)) == NULL)
{
fprintf(stderr, _("%s: could not open file \"%s\" for writing: %s\n"),
progname, path, strerror(errno));
exit_nicely();
}
if (fprintf(version_file, "%s\n", short_version) < 0 ||
if (fprintf(version_file, "%s\n", PG_MAJORVERSION) < 0 ||
fclose(version_file))
{
fprintf(stderr, _("%s: could not write file \"%s\": %s\n"),
......@@ -1297,7 +1260,7 @@ setup_config(void)
* run the BKI script in bootstrap mode to create template1
*/
static void
bootstrap_template1(char *short_version)
bootstrap_template1(void)
{
PG_CMD_DECL;
char **line;
......@@ -1317,7 +1280,7 @@ bootstrap_template1(char *short_version)
/* Check that bki file appears to be of the right version */
snprintf(headerline, sizeof(headerline), "# PostgreSQL %s\n",
short_version);
PG_MAJORVERSION);
if (strcmp(headerline, *bki_lines) != 0)
{
......@@ -2480,7 +2443,6 @@ main(int argc, char *argv[])
i,
ret;
int option_index;
char *short_version;
char *effective_user;
char *pgdenv; /* PGDATA value gotten from and sent to
* environment */
......@@ -2788,12 +2750,6 @@ main(int argc, char *argv[])
canonicalize_path(share_path);
if ((short_version = get_short_version()) == NULL)
{
fprintf(stderr, _("%s: could not determine valid short version string\n"), progname);
exit(1);
}
effective_user = get_id();
if (strlen(username) == 0)
username = effective_user;
......@@ -3123,7 +3079,7 @@ main(int argc, char *argv[])
check_ok();
/* Top level PG_VERSION is checked by bootstrapper, so make it first */
set_short_version(short_version, NULL);
write_version_file(NULL);
/* Select suitable configuration settings */
set_null_conf();
......@@ -3133,12 +3089,12 @@ main(int argc, char *argv[])
setup_config();
/* Bootstrap template1 */
bootstrap_template1(short_version);
bootstrap_template1();
/*
* Make the per-database PG_VERSION for template1 only after init'ing it
*/
set_short_version(short_version, "base/1");
write_version_file("base/1");
/* Create the stuff we don't need to use bootstrap mode for */
......
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