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Support ALTER SYSTEM RESET command.

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This patch allows us to execute ALTER SYSTEM RESET command to
remove the configuration entry from postgresql.auto.conf.

Vik Fearing, reviewed by Amit Kapila and me.
This commit is contained in:
Fujii Masao
2014-09-02 16:06:58 +09:00
parent 01b6976c13
commit bd3b7a9eef
4 changed files with 117 additions and 64 deletions
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19
src/bin/psql/tab-complete.c
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@ -545,7 +545,8 @@ static const SchemaQuery Query_for_list_of_matviews = {
"SELECT name FROM "\
" (SELECT pg_catalog.lower(name) AS name FROM pg_catalog.pg_settings "\
" WHERE context != 'internal') ss "\
" WHERE substring(name,1,%d)='%s'"
" WHERE substring(name,1,%d)='%s'"\
" UNION ALL SELECT 'all' ss"
#define Query_for_list_of_set_vars \
"SELECT name FROM "\
@ -963,7 +964,7 @@ psql_completion(const char *text, int start, int end)
{"AGGREGATE", "COLLATION", "CONVERSION", "DATABASE", "DEFAULT PRIVILEGES", "DOMAIN",
"EVENT TRIGGER", "EXTENSION", "FOREIGN DATA WRAPPER", "FOREIGN TABLE", "FUNCTION",
"GROUP", "INDEX", "LANGUAGE", "LARGE OBJECT", "MATERIALIZED VIEW", "OPERATOR",
"ROLE", "RULE", "SCHEMA", "SERVER", "SEQUENCE", "SYSTEM SET", "TABLE",
"ROLE", "RULE", "SCHEMA", "SERVER", "SEQUENCE", "SYSTEM", "TABLE",
"TABLESPACE", "TEXT SEARCH", "TRIGGER", "TYPE",
"USER", "USER MAPPING FOR", "VIEW", NULL};
@ -1328,10 +1329,20 @@ psql_completion(const char *text, int start, int end)
COMPLETE_WITH_LIST(list_ALTER_SERVER);
}
/* ALTER SYSTEM SET <name> */
/* ALTER SYSTEM SET, RESET, RESET ALL */
else if (pg_strcasecmp(prev2_wd, "ALTER") == 0 &&
pg_strcasecmp(prev_wd, "SYSTEM") == 0)
{
static const char *const list_ALTERSYSTEM[] =
{"SET", "RESET", NULL};
COMPLETE_WITH_LIST(list_ALTERSYSTEM);
}
/* ALTER SYSTEM SET|RESET <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "SYSTEM") == 0 &&
pg_strcasecmp(prev_wd, "SET") == 0)
(pg_strcasecmp(prev_wd, "SET") == 0 ||
pg_strcasecmp(prev_wd, "RESET") == 0))
COMPLETE_WITH_QUERY(Query_for_list_of_alter_system_set_vars);
/* ALTER VIEW <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&