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Fix ON CONFLICT DO NOTHING/UPDATE for temporal indexes

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A PRIMARY KEY or UNIQUE constraint with WITHOUT OVERLAPS will be a
GiST index, not a B-Tree, but it will still have indisunique set.  The
code for ON CONFLICT fails if it sees a non-btree index that has
indisunique.  This commit fixes that and adds some tests.  But now
that we can't just test indisunique, we also need some extra checks to
prevent DO UPDATE from running against a WITHOUT OVERLAPS constraint
(because the conflict could happen against more than one row, and we'd
only update one).

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/1426589a-83cb-4a89-bf40-713970c07e63@illuminatedcomputing.com
This commit is contained in:
Peter Eisentraut 2024-05-10 14:36:49 +02:00
parent 5caa057496
commit 144c2ce0cc
4 changed files with 298 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/backend/executor/execIndexing.c
View File

@ -210,7 +210,7 @@ ExecOpenIndices(ResultRelInfo *resultRelInfo, bool speculative)
* If the indexes are to be used for speculative insertion, add extra
* information required by unique index entries.
*/
if (speculative && ii->ii_Unique)
if (speculative && ii->ii_Unique && !indexDesc->rd_index->indisexclusion)
BuildSpeculativeIndexInfo(indexDesc, ii);
relationDescs[i] = indexDesc;

9
src/backend/optimizer/util/plancat.c
View File

@ -815,7 +815,7 @@ infer_arbiter_indexes(PlannerInfo *root)
*/
if (indexOidFromConstraint == idxForm->indexrelid)
{
if (!idxForm->indisunique && onconflict->action == ONCONFLICT_UPDATE)
if (idxForm->indisexclusion && onconflict->action == ONCONFLICT_UPDATE)
ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("ON CONFLICT DO UPDATE not supported with exclusion constraints")));
@ -840,6 +840,13 @@ infer_arbiter_indexes(PlannerInfo *root)
if (!idxForm->indisunique)
goto next;
/*
* So-called unique constraints with WITHOUT OVERLAPS are really
* exclusion constraints, so skip those too.
*/
if (idxForm->indisexclusion)
goto next;
/* Build BMS representation of plain (non expression) index attrs */
indexedAttrs = NULL;
for (natt = 0; natt < idxForm->indnkeyatts; natt++)

176
src/test/regress/expected/without_overlaps.out
View File

@ -453,6 +453,182 @@ DROP TABLE temporal_partitioned;
ALTER TABLE temporal_rng REPLICA IDENTITY USING INDEX temporal_rng_pk;
ERROR: cannot use non-unique index "temporal_rng_pk" as replica identity
--
-- ON CONFLICT
--
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
SELECT * FROM temporal_rng ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
[1,2) | [2010-01-01,2020-01-01)
[2,3) | [2005-01-01,2006-01-01)
(3 rows)
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
SELECT * FROM temporal_rng ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
SELECT * FROM temporal_rng ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
[1,2) | [2010-01-01,2020-01-01)
[2,3) | [2005-01-01,2006-01-01)
(3 rows)
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[2,3)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[3,4)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[4,5)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
SELECT * FROM temporal_rng ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[2,3)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[3,4)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[4,5)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
SELECT * FROM temporal_rng ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
-- with a UNIQUE constraint:
CREATE TABLE temporal3 (
id int4range,
valid_at daterange,
CONSTRAINT temporal3_uq UNIQUE (id, valid_at WITHOUT OVERLAPS)
);
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
SELECT * FROM temporal3 ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
[1,2) | [2010-01-01,2020-01-01)
[2,3) | [2005-01-01,2006-01-01)
(3 rows)
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
SELECT * FROM temporal3 ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
SELECT * FROM temporal3 ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
[1,2) | [2010-01-01,2020-01-01)
[2,3) | [2005-01-01,2006-01-01)
(3 rows)
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[2,3)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[3,4)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[4,5)';
ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
SELECT * FROM temporal3 ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[2,3)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[3,4)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[4,5)';
ERROR: ON CONFLICT DO UPDATE not supported with exclusion constraints
SELECT * FROM temporal3 ORDER BY id, valid_at;
id | valid_at
-------+-------------------------
[1,2) | [2000-01-01,2010-01-01)
(1 row)
DROP TABLE temporal3;
--
-- test FK dependencies
--
-- can't drop a range referenced by an FK, unless with CASCADE

113
src/test/regress/sql/without_overlaps.sql
View File

@ -319,6 +319,119 @@ DROP TABLE temporal_partitioned;
-- (should fail)
ALTER TABLE temporal_rng REPLICA IDENTITY USING INDEX temporal_rng_pk;
--
-- ON CONFLICT
--
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
SELECT * FROM temporal_rng ORDER BY id, valid_at;
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
SELECT * FROM temporal_rng ORDER BY id, valid_at;
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO NOTHING;
SELECT * FROM temporal_rng ORDER BY id, valid_at;
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[2,3)';
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[3,4)';
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[4,5)';
SELECT * FROM temporal_rng ORDER BY id, valid_at;
TRUNCATE temporal_rng;
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[2,3)';
-- id matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[3,4)';
-- date matches but no conflict
INSERT INTO temporal_rng (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal_rng_pk DO UPDATE SET id = EXCLUDED.id + '[4,5)';
SELECT * FROM temporal_rng ORDER BY id, valid_at;
-- with a UNIQUE constraint:
CREATE TABLE temporal3 (
id int4range,
valid_at daterange,
CONSTRAINT temporal3_uq UNIQUE (id, valid_at WITHOUT OVERLAPS)
);
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT DO NOTHING;
SELECT * FROM temporal3 ORDER BY id, valid_at;
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO NOTHING;
SELECT * FROM temporal3 ORDER BY id, valid_at;
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO NOTHING;
SELECT * FROM temporal3 ORDER BY id, valid_at;
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[2,3)';
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[3,4)';
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT (id, valid_at) DO UPDATE SET id = EXCLUDED.id + '[4,5)';
SELECT * FROM temporal3 ORDER BY id, valid_at;
TRUNCATE temporal3;
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2000-01-01', '2010-01-01'));
-- with a conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[2,3)';
-- id matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[1,2)', daterange('2010-01-01', '2020-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[3,4)';
-- date matches but no conflict
INSERT INTO temporal3 (id, valid_at) VALUES ('[2,3)', daterange('2005-01-01', '2006-01-01')) ON CONFLICT ON CONSTRAINT temporal3_uq DO UPDATE SET id = EXCLUDED.id + '[4,5)';
SELECT * FROM temporal3 ORDER BY id, valid_at;
DROP TABLE temporal3;
--
-- test FK dependencies
--