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-rw-r--r--src/test/regress/expected/update_1.out110
1 files changed, 101 insertions, 9 deletions
diff --git a/src/test/regress/expected/update_1.out b/src/test/regress/expected/update_1.out
index d4db0c6fea..0b0ac862b6 100644
--- a/src/test/regress/expected/update_1.out
+++ b/src/test/regress/expected/update_1.out
@@ -6,6 +6,10 @@ CREATE TABLE update_test (
b INT,
c TEXT
);
+CREATE TABLE upsert_test (
+ a INT PRIMARY KEY,
+ b TEXT
+);
INSERT INTO update_test VALUES (5, 10, 'foo');
INSERT INTO update_test(b, a) VALUES (15, 10);
SELECT * FROM update_test ORDER BY a, b, c;
@@ -59,6 +63,16 @@ SELECT * FROM update_test ORDER BY a, b, c;
--
-- Test multiple-set-clause syntax
--
+INSERT INTO update_test SELECT a,b+1,c FROM update_test;
+SELECT * FROM update_test;
+ a | b | c
+----+----+-----
+ 5 | 10 | foo
+ 5 | 11 | foo
+ 10 | 20 |
+ 10 | 21 |
+(4 rows)
+
UPDATE update_test SET (c,b,a) = ('bugle', b+11, DEFAULT) WHERE c = 'foo';
ERROR: could not plan this distributed update
DETAIL: correlated UPDATE or updating distribution column currently not supported in Postgres-XL.
@@ -66,8 +80,10 @@ SELECT * FROM update_test ORDER BY a, b, c;
a | b | c
----+----+-----
5 | 10 | foo
+ 5 | 11 | foo
10 | 20 |
-(2 rows)
+ 10 | 21 |
+(4 rows)
UPDATE update_test SET (c,b) = ('car', a+b), a = a + 1 WHERE a = 10;
ERROR: could not plan this distributed update
@@ -76,18 +92,62 @@ SELECT * FROM update_test ORDER BY a, b, c;
a | b | c
----+----+-----
5 | 10 | foo
+ 5 | 11 | foo
10 | 20 |
-(2 rows)
+ 10 | 21 |
+(4 rows)
-- fail, multi assignment to same column:
UPDATE update_test SET (c,b) = ('car', a+b), b = a + 1 WHERE a = 10;
ERROR: multiple assignments to same column "b"
--- XXX this should work, but doesn't yet:
-UPDATE update_test SET (a,b) = (select a,b FROM update_test where c = 'foo')
- WHERE a = 10;
-ERROR: syntax error at or near "select"
-LINE 1: UPDATE update_test SET (a,b) = (select a,b FROM update_test ...
- ^
+-- uncorrelated sub-select:
+UPDATE update_test
+ SET (b,a) = (select a,b from update_test where b = 41 and c = 'car')
+ WHERE a = 100 AND b = 20;
+ERROR: could not plan this distributed update
+DETAIL: correlated UPDATE or updating distribution column currently not supported in Postgres-XL.
+SELECT * FROM update_test;
+ a | b | c
+----+----+-----
+ 5 | 10 | foo
+ 5 | 11 | foo
+ 10 | 20 |
+ 10 | 21 |
+(4 rows)
+
+-- correlated sub-select:
+UPDATE update_test o
+ SET (b,a) = (select a+1,b from update_test i
+ where i.a=o.a and i.b=o.b and i.c is not distinct from o.c);
+ERROR: could not plan this distributed update
+DETAIL: correlated UPDATE or updating distribution column currently not supported in Postgres-XL.
+SELECT * FROM update_test;
+ a | b | c
+----+----+-----
+ 5 | 10 | foo
+ 5 | 11 | foo
+ 10 | 20 |
+ 10 | 21 |
+(4 rows)
+
+-- fail, multiple rows supplied:
+UPDATE update_test SET (b,a) = (select a+1,b from update_test);
+ERROR: could not plan this distributed update
+DETAIL: correlated UPDATE or updating distribution column currently not supported in Postgres-XL.
+-- set to null if no rows supplied:
+UPDATE update_test SET (b,a) = (select a+1,b from update_test where a = 1000)
+ WHERE a = 11;
+ERROR: could not plan this distributed update
+DETAIL: correlated UPDATE or updating distribution column currently not supported in Postgres-XL.
+SELECT * FROM update_test;
+ a | b | c
+----+----+-----
+ 5 | 10 | foo
+ 5 | 11 | foo
+ 10 | 20 |
+ 10 | 21 |
+(4 rows)
+
-- if an alias for the target table is specified, don't allow references
-- to the original table name
UPDATE update_test AS t SET b = update_test.b + 10 WHERE t.a = 10;
@@ -101,7 +161,39 @@ SELECT a, b, char_length(c) FROM update_test ORDER BY a;
a | b | char_length
----+----+-------------
5 | 10 | 3
+ 5 | 11 | 3
10 | 20 |
-(2 rows)
+ 10 | 21 |
+(4 rows)
+
+-- Test ON CONFLICT DO UPDATE
+INSERT INTO upsert_test VALUES(1, 'Boo');
+-- uncorrelated sub-select:
+WITH aaa AS (SELECT 1 AS a, 'Foo' AS b) INSERT INTO upsert_test
+ VALUES (1, 'Bar') ON CONFLICT(a)
+ DO UPDATE SET (b, a) = (SELECT b, a FROM aaa) RETURNING *;
+ a | b
+---+-----
+ 1 | Foo
+(1 row)
+
+-- correlated sub-select:
+INSERT INTO upsert_test VALUES (1, 'Baz') ON CONFLICT(a)
+ DO UPDATE SET (b, a) = (SELECT b || ', Correlated', a from upsert_test i WHERE i.a = upsert_test.a)
+ RETURNING *;
+ a | b
+---+-----------------
+ 1 | Foo, Correlated
+(1 row)
+
+-- correlated sub-select (EXCLUDED.* alias):
+INSERT INTO upsert_test VALUES (1, 'Bat') ON CONFLICT(a)
+ DO UPDATE SET (b, a) = (SELECT b || ', Excluded', a from upsert_test i WHERE i.a = excluded.a)
+ RETURNING *;
+ a | b
+---+---------------------------
+ 1 | Foo, Correlated, Excluded
+(1 row)
DROP TABLE update_test;
+DROP TABLE upsert_test;