diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/commands/copy.c | 5 | ||||
| -rw-r--r-- | src/test/regress/expected/copy2.out | 18 | ||||
| -rw-r--r-- | src/test/regress/sql/copy2.sql | 16 |
3 files changed, 39 insertions, 0 deletions
diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c index 226d2ef3dac..a5528f8307f 100644 --- a/src/backend/commands/copy.c +++ b/src/backend/commands/copy.c @@ -2408,10 +2408,15 @@ CopyFrom(CopyState cstate) * possible to improve on this, but it does mean maintaining heap insert * option flags per partition and setting them when we first open the * partition. + * + * This optimization is not supported for relation types which do not + * have any physical storage, with views entering in this category. + * Partitioned tables are not supported as per the description above. *---------- */ /* createSubid is creation check, newRelfilenodeSubid is truncation check */ if (cstate->rel->rd_rel->relkind != RELKIND_PARTITIONED_TABLE && + cstate->rel->rd_rel->relkind != RELKIND_VIEW && (cstate->rel->rd_createSubid != InvalidSubTransactionId || cstate->rel->rd_newRelfilenodeSubid != InvalidSubTransactionId)) { diff --git a/src/test/regress/expected/copy2.out b/src/test/regress/expected/copy2.out index 65e9c626b35..f11eef3277b 100644 --- a/src/test/regress/expected/copy2.out +++ b/src/test/regress/expected/copy2.out @@ -557,6 +557,23 @@ SELECT * FROM instead_of_insert_tbl; 1 | test1 (1 row) +-- Test of COPY optimization with view using INSTEAD OF INSERT +-- trigger when relation is created in the same transaction as +-- when COPY is executed. +BEGIN; +CREATE VIEW instead_of_insert_tbl_view_2 as select ''::text as str; +CREATE TRIGGER trig_instead_of_insert_tbl_view_2 + INSTEAD OF INSERT ON instead_of_insert_tbl_view_2 + FOR EACH ROW EXECUTE PROCEDURE fun_instead_of_insert_tbl(); +COPY instead_of_insert_tbl_view_2 FROM stdin; +SELECT * FROM instead_of_insert_tbl; + id | name +----+------- + 1 | test1 + 2 | test1 +(2 rows) + +COMMIT; -- clean up DROP TABLE forcetest; DROP TABLE vistest; @@ -569,4 +586,5 @@ DROP FUNCTION fn_x_before(); DROP FUNCTION fn_x_after(); DROP TABLE instead_of_insert_tbl; DROP VIEW instead_of_insert_tbl_view; +DROP VIEW instead_of_insert_tbl_view_2; DROP FUNCTION fun_instead_of_insert_tbl(); diff --git a/src/test/regress/sql/copy2.sql b/src/test/regress/sql/copy2.sql index f3a6d228fae..3022a07d3c2 100644 --- a/src/test/regress/sql/copy2.sql +++ b/src/test/regress/sql/copy2.sql @@ -411,6 +411,21 @@ test1 SELECT * FROM instead_of_insert_tbl; +-- Test of COPY optimization with view using INSTEAD OF INSERT +-- trigger when relation is created in the same transaction as +-- when COPY is executed. +BEGIN; +CREATE VIEW instead_of_insert_tbl_view_2 as select ''::text as str; +CREATE TRIGGER trig_instead_of_insert_tbl_view_2 + INSTEAD OF INSERT ON instead_of_insert_tbl_view_2 + FOR EACH ROW EXECUTE PROCEDURE fun_instead_of_insert_tbl(); + +COPY instead_of_insert_tbl_view_2 FROM stdin; +test1 +\. + +SELECT * FROM instead_of_insert_tbl; +COMMIT; -- clean up DROP TABLE forcetest; @@ -424,4 +439,5 @@ DROP FUNCTION fn_x_before(); DROP FUNCTION fn_x_after(); DROP TABLE instead_of_insert_tbl; DROP VIEW instead_of_insert_tbl_view; +DROP VIEW instead_of_insert_tbl_view_2; DROP FUNCTION fun_instead_of_insert_tbl(); |