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Core support for "extensions", which are packages of SQL objects.

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This patch adds the server infrastructure to support extensions.
There is still one significant loose end, namely how to make it play nice
with pg_upgrade, so I am not yet committing the changes that would make
all the contrib modules depend on this feature.

In passing, fix a disturbingly large amount of breakage in
AlterObjectNamespace() and callers.

Dimitri Fontaine, reviewed by Anssi Kääriäinen,
Itagaki Takahiro, Tom Lane, and numerous others
This commit is contained in:
Tom Lane
2011-02-08 16:08:41 -05:00
parent 414c5a2ea6
commit d9572c4e3b
69 changed files with 4206 additions and 547 deletions
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36
src/bin/psql/tab-complete.c
View File

@ -578,6 +578,16 @@ static const SchemaQuery Query_for_list_of_views = {
" FROM pg_catalog.pg_proc "\
" WHERE proname='%s'"
#define Query_for_list_of_extensions \
" SELECT pg_catalog.quote_ident(extname) "\
" FROM pg_catalog.pg_extension "\
" WHERE substring(pg_catalog.quote_ident(extname),1,%d)='%s'"
#define Query_for_list_of_available_extensions \
" SELECT pg_catalog.quote_ident(name) "\
" FROM pg_catalog.pg_available_extensions "\
" WHERE substring(pg_catalog.quote_ident(name),1,%d)='%s' AND installed IS NULL"
/*
* This is a list of all "things" in Pgsql, which can show up after CREATE or
* DROP; and there is also a query to get a list of them.
@ -606,6 +616,7 @@ static const pgsql_thing_t words_after_create[] = {
{"DATABASE", Query_for_list_of_databases},
{"DICTIONARY", Query_for_list_of_ts_dictionaries, NULL, true},
{"DOMAIN", NULL, &Query_for_list_of_domains},
{"EXTENSION", Query_for_list_of_extensions},
{"FOREIGN DATA WRAPPER", NULL, NULL},
{"FOREIGN TABLE", NULL, NULL},
{"FUNCTION", NULL, &Query_for_list_of_functions},
@ -775,9 +786,12 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev3_wd, "TABLE") != 0)
{
static const char *const list_ALTER[] =
{"AGGREGATE", "CONVERSION", "DATABASE", "DEFAULT PRIVILEGES", "DOMAIN", "FOREIGN DATA WRAPPER", "FOREIGN TABLE", "FUNCTION",
"GROUP", "INDEX", "LANGUAGE", "LARGE OBJECT", "OPERATOR", "ROLE", "SCHEMA", "SERVER", "SEQUENCE", "TABLE",
"TABLESPACE", "TEXT SEARCH", "TRIGGER", "TYPE", "USER", "USER MAPPING FOR", "VIEW", NULL};
{"AGGREGATE", "CONVERSION", "DATABASE", "DEFAULT PRIVILEGES", "DOMAIN",
"EXTENSION", "FOREIGN DATA WRAPPER", "FOREIGN TABLE", "FUNCTION",
"GROUP", "INDEX", "LANGUAGE", "LARGE OBJECT", "OPERATOR",
"ROLE", "SCHEMA", "SERVER", "SEQUENCE", "TABLE",
"TABLESPACE", "TEXT SEARCH", "TRIGGER", "TYPE",
"USER", "USER MAPPING FOR", "VIEW", NULL};
COMPLETE_WITH_LIST(list_ALTER);
}
@ -838,6 +852,11 @@ psql_completion(char *text, int start, int end)
COMPLETE_WITH_LIST(list_ALTERDATABASE);
}
/* ALTER EXTENSION <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "EXTENSION") == 0)
COMPLETE_WITH_CONST("SET SCHEMA");
/* ALTER FOREIGN */
else if (pg_strcasecmp(prev2_wd, "ALTER") == 0 &&
pg_strcasecmp(prev_wd, "FOREIGN") == 0)
@ -1579,6 +1598,16 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev_wd, "TEMPLATE") == 0)
COMPLETE_WITH_QUERY(Query_for_list_of_template_databases);
/* CREATE EXTENSION */
/* Complete with available extensions rather than installed ones. */
else if (pg_strcasecmp(prev2_wd, "CREATE") == 0 &&
pg_strcasecmp(prev_wd, "EXTENSION") == 0)
COMPLETE_WITH_QUERY(Query_for_list_of_available_extensions);
/* CREATE EXTENSION <name> */
else if (pg_strcasecmp(prev3_wd, "CREATE") == 0 &&
pg_strcasecmp(prev2_wd, "EXTENSION") == 0)
COMPLETE_WITH_CONST("WITH SCHEMA");
/* CREATE FOREIGN */
else if (pg_strcasecmp(prev2_wd, "CREATE") == 0 &&
pg_strcasecmp(prev_wd, "FOREIGN") == 0)
@ -1922,6 +1951,7 @@ psql_completion(char *text, int start, int end)
else if ((pg_strcasecmp(prev3_wd, "DROP") == 0 &&
(pg_strcasecmp(prev2_wd, "CONVERSION") == 0 ||
pg_strcasecmp(prev2_wd, "DOMAIN") == 0 ||
pg_strcasecmp(prev2_wd, "EXTENSION") == 0 ||
pg_strcasecmp(prev2_wd, "FUNCTION") == 0 ||
pg_strcasecmp(prev2_wd, "INDEX") == 0 ||
pg_strcasecmp(prev2_wd, "LANGUAGE") == 0 ||