CREATE TABLE columnar_update(i int, j int) USING columnar;
INSERT INTO columnar_update VALUES (1, 10);
INSERT INTO columnar_update VALUES (2, 20);
INSERT INTO columnar_update VALUES (3, 30);
-- should fail
UPDATE columnar_update SET j = j+1 WHERE i = 2;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
-- should fail
DELETE FROM columnar_update WHERE i = 2;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
-- should succeed because there's no target
INSERT INTO columnar_update VALUES
  (3, 5),
  (4, 5),
  (5, 5)
  ON CONFLICT DO NOTHING;
-- should fail because we can't create an index on columnar_update.i
INSERT INTO columnar_update VALUES
  (3, 5),
  (4, 5),
  (5, 5)
  ON CONFLICT (i) DO NOTHING;
ERROR:  there is no unique or exclusion constraint matching the ON CONFLICT specification
-- tuple locks should fail
SELECT * FROM columnar_update WHERE i = 2 FOR SHARE;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
SELECT * FROM columnar_update WHERE i = 2 FOR UPDATE;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
-- CTID scans should fail
SELECT * FROM columnar_update WHERE ctid = '(0,2)';
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
DROP TABLE columnar_update;
CREATE TABLE parent(ts timestamptz, i int, n numeric, s text)
  PARTITION BY RANGE (ts);
CREATE TABLE p0 PARTITION OF parent
  FOR VALUES FROM ('2020-01-01') TO ('2020-02-01')
  USING COLUMNAR;
CREATE TABLE p1 PARTITION OF parent
  FOR VALUES FROM ('2020-02-01') TO ('2020-03-01')
  USING COLUMNAR;
CREATE TABLE p2 PARTITION OF parent
  FOR VALUES FROM ('2020-03-01') TO ('2020-04-01');
INSERT INTO parent VALUES('2020-01-15', 10, 100, 'one thousand'); -- columnar
INSERT INTO parent VALUES('2020-02-15', 20, 200, 'two thousand'); -- columnar
INSERT INTO parent VALUES('2020-03-15', 30, 300, 'three thousand'); -- row
INSERT INTO parent VALUES('2020-03-21', 31, 301, 'three thousand and one'); -- row
INSERT INTO parent VALUES('2020-03-22', 32, 302, 'three thousand and two'); -- row
INSERT INTO parent VALUES('2020-03-23', 33, 303, 'three thousand and three'); -- row
SELECT * FROM parent;
              ts              | i  |  n  |            s
---------------------------------------------------------------------
 Wed Jan 15 00:00:00 2020 PST | 10 | 100 | one thousand
 Sat Feb 15 00:00:00 2020 PST | 20 | 200 | two thousand
 Sun Mar 15 00:00:00 2020 PDT | 30 | 300 | three thousand
 Sat Mar 21 00:00:00 2020 PDT | 31 | 301 | three thousand and one
 Sun Mar 22 00:00:00 2020 PDT | 32 | 302 | three thousand and two
 Mon Mar 23 00:00:00 2020 PDT | 33 | 303 | three thousand and three
(6 rows)

-- update on specific row partition should succeed
UPDATE p2 SET i = i+1 WHERE ts = '2020-03-15';
DELETE FROM p2 WHERE ts = '2020-03-21';
-- update on specific columnar partition should fail
UPDATE p1 SET i = i+1 WHERE ts = '2020-02-15';
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
DELETE FROM p1 WHERE ts = '2020-02-15';
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
-- partitioned updates that affect only row tables
-- should succeed
UPDATE parent SET i = i+1 WHERE ts = '2020-03-15';
DELETE FROM parent WHERE ts = '2020-03-22';
-- partitioned updates that affect columnar tables
-- should fail
UPDATE parent SET i = i+1 WHERE ts > '2020-02-15';
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
DELETE FROM parent WHERE ts > '2020-02-15';
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
-- non-partitioned update should fail, even if it
-- only affects a row partition
UPDATE parent SET i = i+1 WHERE n = 300;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
DELETE FROM parent WHERE n = 303;
ERROR:  UPDATE and CTID scans not supported for ColumnarScan
SELECT * FROM parent;
              ts              | i  |  n  |            s
---------------------------------------------------------------------
 Wed Jan 15 00:00:00 2020 PST | 10 | 100 | one thousand
 Sat Feb 15 00:00:00 2020 PST | 20 | 200 | two thousand
 Mon Mar 23 00:00:00 2020 PDT | 33 | 303 | three thousand and three
 Sun Mar 15 00:00:00 2020 PDT | 32 | 300 | three thousand
(4 rows)

DROP TABLE parent;