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introduce new option 'include-extensions' which is aimed to prevent pg_repack from touching tables that belong to extensions

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This commit is contained in:
Dmitry Ivanov 2016-10-24 16:11:12 +03:00
parent 8711ae5b2a
commit 20beaf99f2
1 changed files with 15 additions and 2 deletions
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17
bin/pg_repack.c
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@ -109,7 +109,7 @@ const char *PROGRAM_VERSION = "unknown";
*/
#define SQL_XID_SNAPSHOT_80300 \
"SELECT repack.array_accum(l.virtualtransaction) " \
" FROM pg_locks AS l" \
" FROM pg_locks AS l" \
" LEFT JOIN pg_stat_activity AS a " \
" ON l.pid = a.procpid " \
" LEFT JOIN pg_database AS d " \
@ -169,7 +169,7 @@ typedef struct repack_index
{
Oid target_oid; /* target: OID */
const char *create_index; /* CREATE INDEX */
index_status_t status; /* Track parallel build statuses. */
index_status_t status; /* Track parallel build statuses. */
int worker_idx; /* which worker conn is handling */
} repack_index;
@ -244,6 +244,7 @@ static int wait_timeout = 60; /* in seconds */
static int jobs = 0; /* number of concurrent worker conns. */
static bool dryrun = false;
static unsigned int temp_obj_num = 0; /* temporary objects counter */
static bool include_extensions = false; /* repack tables of extensions */
/* buffer should have at least 11 bytes */
static char *
@ -269,6 +270,7 @@ static pgut_option options[] =
{ 'i', 'T', "wait-timeout", &wait_timeout },
{ 'B', 'Z', "no-analyze", &analyze },
{ 'i', 'j', "jobs", &jobs },
{ 'b', 'C', "include-extensions", &include_extensions },
{ 0 },
};
@ -651,6 +653,16 @@ repack_one_database(const char *orderby, char *errbuf, size_t errsize)
{
appendStringInfoString(&sql, "pkid IS NOT NULL");
}
/* Exclude tables which belong to extensions */
if (!include_extensions)
{
appendStringInfoString(&sql, " AND t.relid NOT IN"
" (SELECT objid FROM pg_depend"
" WHERE refclassid = 'pg_extension'::regclass"
" AND classid = 'pg_class'::regclass)");
}
/* Ensure the regression tests get a consistent ordering of tables */
appendStringInfoString(&sql, " ORDER BY t.relname, t.schemaname");
@ -2064,4 +2076,5 @@ pgut_help(bool details)
printf(" -x, --only-indexes move only indexes of the specified table\n");
printf(" -T, --wait-timeout=SECS timeout to cancel other backends on conflict\n");
printf(" -Z, --no-analyze don't analyze at end\n");
printf(" -C, --include-extensions repack tables which belong to extensions\n");
}