我想通过一个查询将数据插入到3个表中.
我的表如下所示:
CREATE TABLE sample (
id bigserial PRIMARY KEY,
lastname varchar(20),
firstname varchar(20)
);
CREATE TABLE sample1(
user_id bigserial PRIMARY KEY,
sample_id bigint REFERENCES sample,
adddetails varchar(20)
);
CREATE TABLE sample2(
id bigserial PRIMARY KEY,
user_id bigint REFERENCES sample1,
value varchar(10)
);
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我将获得一个密钥以换取每次插入,我需要在下一个表中插入该密钥.
我的查询是:
insert into sample(firstname,lastname) values('fai55','shaggk') RETURNING id;
insert into sample1(sample_id, adddetails) values($id,'ss') RETURNING user_id;
insert into sample2(user_id, value) values($id,'ss') RETURNING id;
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但是,如果我运行单个查询,他们只是向我返回值,我不能立即在下一个查询中重用它们.
怎么做到这一点?
sql postgresql common-table-expression sql-insert sql-returning
我想插入2个表
访问:
visit_id int | card_id int
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注册:
registration_id int | type enum('in','out') | timestamp int | visit_id int
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我想要的东西:
INSERT INTO `visits` as v ,`registration` as v
(v.`visit_id`,v.`card_id`,r.`registration_id`, r.`type`, r.`timestamp`, r.`visit_id`)
VALUES (NULL, 12131141,NULL, UNIX_TIMESTAMP(), v.`visit_id`);
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我想知道它是否有可能