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Add ALTER SYSTEM command to edit the server configuration file.

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Patch contributed by Amit Kapila. Reviewed by Hari Babu, Masao Fujii,
Boszormenyi Zoltan, Andres Freund, Greg Smith and others.
This commit is contained in:
Tatsuo Ishii
2013-12-18 23:42:44 +09:00
parent dba5a9dda9
commit 65d6e4cb5c
18 changed files with 797 additions and 95 deletions
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16
src/bin/initdb/initdb.c
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@@ -1228,6 +1228,7 @@ setup_config(void)
char repltok[MAXPGPATH];
char path[MAXPGPATH];
const char *default_timezone;
char *autoconflines[3];
fputs(_("creating configuration files ... "), stdout);
fflush(stdout);
@@ -1320,6 +1321,21 @@ setup_config(void)
writefile(path, conflines);
chmod(path, S_IRUSR | S_IWUSR);
/*
* create the automatic configuration file to store the configuration
* parameters set by ALTER SYSTEM command. The parameters present in this
* file will override the value of parameters that exists before parse of
* this file.
*/
autoconflines[0] = pg_strdup("# Do not edit this file manually! \n");
autoconflines[1] = pg_strdup("# It will be overwritten by the ALTER SYSTEM command. \n");
autoconflines[2] = NULL;
sprintf(path, "%s/%s", pg_data, PG_AUTOCONF_FILENAME);
writefile(path, autoconflines);
chmod(path, S_IRUSR | S_IWUSR);
free(conflines);