farrokhi/pg_repack
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

introduce option --parent-table (-I, stands for 'inheritance'), fix function repack_one_database(), introduce function repack.get_table_and_inheritors()

Browse Source
This commit is contained in:
Dmitry Ivanov
2017-03-20 23:04:41 +03:00
parent 7c8e272b54
commit 68dc592545
4 changed files with 117 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
lib/exports.txt
View File

@ -1,19 +1,21 @@
Pg_magic_func 1
pg_finfo_repack_apply 2
pg_finfo_repack_disable_autovacuum 3
pg_finfo_repack_drop 4
pg_finfo_repack_get_order_by 5
pg_finfo_repack_indexdef 6
pg_finfo_repack_swap 7
pg_finfo_repack_trigger 8
pg_finfo_repack_version 9
pg_finfo_repack_index_swap 10
repack_apply 11
repack_disable_autovacuum 12
repack_drop 13
repack_get_order_by 14
repack_indexdef 15
repack_swap 16
repack_trigger 17
repack_version 18
repack_index_swap 19
Pg_magic_func 1
pg_finfo_repack_apply 2
pg_finfo_repack_disable_autovacuum 3
pg_finfo_repack_drop 4
pg_finfo_repack_get_order_by 5
pg_finfo_repack_indexdef 6
pg_finfo_repack_swap 7
pg_finfo_repack_trigger 8
pg_finfo_repack_version 9
pg_finfo_repack_index_swap 10
pg_finfo_repack_get_table_and_inheritors 11
repack_apply 12
repack_disable_autovacuum 13
repack_drop 14
repack_get_order_by 15
repack_indexdef 16
repack_swap 17
repack_trigger 18
repack_version 19
repack_index_swap 20
repack_get_table_and_inheritors 21

5
lib/pg_repack.sql.in
View File

@ -254,3 +254,8 @@ LANGUAGE C VOLATILE STRICT;
CREATE FUNCTION repack.repack_index_swap(oid) RETURNS void AS
'MODULE_PATHNAME', 'repack_index_swap'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION repack.get_table_and_inheritors(regclass) RETURNS regclass[] AS
'MODULE_PATHNAME', 'repack_get_table_and_inheritors'
LANGUAGE C STABLE STRICT;

41
lib/repack.c
View File

@ -25,12 +25,14 @@
#include "catalog/pg_am.h"
#endif
#include "catalog/pg_inherits_fn.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
#include "catalog/pg_type.h"
#include "commands/tablecmds.h"
#include "commands/trigger.h"
#include "miscadmin.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
@ -61,6 +63,7 @@ extern Datum PGUT_EXPORT repack_swap(PG_FUNCTION_ARGS);
extern Datum PGUT_EXPORT repack_drop(PG_FUNCTION_ARGS);
extern Datum PGUT_EXPORT repack_disable_autovacuum(PG_FUNCTION_ARGS);
extern Datum PGUT_EXPORT repack_index_swap(PG_FUNCTION_ARGS);
extern Datum PGUT_EXPORT repack_get_table_and_inheritors(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(repack_version);
PG_FUNCTION_INFO_V1(repack_trigger);
@ -71,6 +74,7 @@ PG_FUNCTION_INFO_V1(repack_swap);
PG_FUNCTION_INFO_V1(repack_drop);
PG_FUNCTION_INFO_V1(repack_disable_autovacuum);
PG_FUNCTION_INFO_V1(repack_index_swap);
PG_FUNCTION_INFO_V1(repack_get_table_and_inheritors);
static void repack_init(void);
static SPIPlanPtr repack_prepare(const char *src, int nargs, Oid *argtypes);
@ -312,9 +316,9 @@ repack_apply(PG_FUNCTION_ARGS)
* can delete all the rows we have processed at-once.
*/
if (i == 0)
appendStringInfoString(&sql_pop, pkid);
appendStringInfoString(&sql_pop, pkid);
else
appendStringInfo(&sql_pop, ",%s", pkid);
appendStringInfo(&sql_pop, ",%s", pkid);
pfree(pkid);
}
/* i must be > 0 (and hence we must have some rows to delete)
@ -1342,3 +1346,36 @@ RenameRelationInternal(Oid myrelid, const char *newrelname, Oid namespaceId)
PG_END_TRY();
}
#endif
Datum
repack_get_table_and_inheritors(PG_FUNCTION_ARGS)
{
Oid parent = PG_GETARG_OID(0);
List *relations;
Datum *relations_array;
int relations_array_size;
ArrayType *result;
ListCell *lc;
int i;
relations = find_all_inheritors(parent, NoLock, NULL);
relations_array_size = list_length(relations);
if (relations_array_size == 0)
PG_RETURN_ARRAYTYPE_P(construct_empty_array(OIDOID));
relations_array = palloc(relations_array_size * sizeof(Datum));
i = 0;
foreach (lc, relations)
relations_array[i++] = ObjectIdGetDatum(lfirst_oid(lc));
result = construct_array(relations_array,
relations_array_size,
OIDOID, sizeof(Oid),
true, 'i');
pfree(relations_array);
PG_RETURN_ARRAYTYPE_P(result);
}