create table some_table
(
id uuid default uuid_generate_v4() not null,
last_modified_date timestamp default now() not null,
foreign_key text,
start integer,
end integer,
constraint some_table_pkey
primary key (id),
constraint some_table_foreign_key_fkey
foreign key (foreign_key) references foreign_table
);
然后我添加了以下约束:
CREATE INDEX some_table_foreign_key_idx
ON some_table (foreign_key);
ALTER table some_table
ADD CONSTRAINT some_table_start_check
check (start > 0);
ALTER TABLE some_table
add CONSTRAINT some_table_check
check (end >= start);
ALTER TABLE some_table
ADD CONSTRAINT unique_interval_to_foreign_key_constraint
EXCLUDE USING gist
(foreign_key WITH =,
int4range(start, end, '[]') WITH &&
);
像这样生成表:
+--------------------------------------+-------+-----+--------------------+--------------------------------------+
| id | start | end | last_modified_date | foreign_key |
+--------------------------------------+-------+-----+--------------------+--------------------------------------+
| 04ef8258-917c-46d6-8db4-9c704d3f4fbd | 10 | 20 | timestampA | 04ef8258-917c-46d6-8db3-9c704d3f4fbd |
+--------------------------------------+-------+-----+--------------------+--------------------------------------+
| 04ef8258-917c-46d6-8db5-9c704d3f4fbd | 40 | 60 | timestampB | 04ef8258-917c-46d6-8db3-9c704d3f4fbd |
+--------------------------------------+-------+-----+--------------------+--------------------------------------+
INSERT
记录到该表中?我尝试了什么?
INSERT INTO some_table (foreign_key, start, end)
VALUES (`04ef8258-917c-46d6-8db3-9c704d3f4fbd`, 70, 80)
ON CONFLICT (foreign_key, start, end)
DO UPDATE SET last_modified_date=NOW() RETURNING id;
我收到以下错误:
UnableToExecuteStatementException:org.postgresql.util.PSQLException:错误:ON CONFLICT DO UPDATE需要推理规范或约束名称