Node.js 在sequelize with postgres中按嵌套对象值查找

我试图从嵌套的对象数组中找到一个值，但我无法使它工作

假设我有一个名为

Forms

的表，这个表有一个名为

collaborator

的对象数组

collaborator:DataTypes.ARRAY（DataTypes.JSONB）

此collaborator数组中的典型json对象是：

{
“id”：4，
“姓名”：“约翰”
}

我正在尝试根据

collaborator.name

值查找

表单。到目前为止，我尝试了这个（通过各种其他问题和谷歌搜索），但它返回了
null

Form.findOne({
其中：{
“合作者.姓名”：“约翰”
}
})

我正在阅读sequelize本身的这本手册，但我认为我做错了什么：
您可以使用
sequelize.query
功能执行

“续集”：“^5.21.3”
和
postgres:9.6
，例如

从'../../db'导入{sequelize}；
从“sequelize”导入{Model，DataTypes，QueryTypes}；
类形式扩展了模型{}
Form.init(
{
身份证：{
类型：DataTypes.INTEGER，
自动递增：真，
primaryKey：没错，
},
协作者：DataTypes.ARRAY（DataTypes.JSONB），
},
{sequelize，tableName:'forms'}，
);
（异步函数测试（）{
试一试{
wait sequelize.sync（{force:true}）；
//种子
等待Form.bulkCreate([
{合作者：[{id:1，名称：'teresa'}]}，
{合作者：[{id:2，名称：'teng'}]}，
{协作者：[{id:3，名称：'slideshowp2'}]}，
{
合作者：[
{id:4，名字：'John'}，
{id:5，名字：'Tim'}，
],
},
]);
//试验
const data=wait sequelize.query(
`
选择id，合作者
从表单f，jsonb_数组_元素（到jsonb（f.collaborator））obj
其中obj->>'name'='John'；
`,
{type:QueryTypes.SELECT}，
);
log（JSON.stringify（data））；
}捕获（错误）{
console.log（错误）；
}最后{
等待续集。关闭（）；
}
})();

执行结果：

Executing (default): DROP TABLE IF EXISTS "forms" CASCADE;
Executing (default): DROP TABLE IF EXISTS "forms" CASCADE;
Executing (default): CREATE TABLE IF NOT EXISTS "forms" ("id"  SERIAL , "collaborator" JSONB[], PRIMARY KEY ("id"));
Executing (default): SELECT i.relname AS name, ix.indisprimary AS primary, ix.indisunique AS unique, ix.indkey AS indkey, array_agg(a.attnum) as column_indexes, array_agg(a.attname) AS column_names, pg_get_indexdef(ix.indexrelid) AS definition FROM pg_class t, pg_class i, pg_index ix, pg_attribute a WHERE t.oid = ix.indrelid AND i.oid = ix.indexrelid AND a.attrelid = t.oid AND t.relkind = 'r' and t.relname = 'forms' GROUP BY i.relname, ix.indexrelid, ix.indisprimary, ix.indisunique, ix.indkey ORDER BY i.relname;
Executing (default): INSERT INTO "forms" ("id","collaborator") VALUES (DEFAULT,ARRAY['{"id":1,"name":"teresa"}']::JSONB[]),(DEFAULT,ARRAY['{"id":2,"name":"teng"}']::JSONB[]),(DEFAULT,ARRAY['{"id":3,"name":"slideshowp2"}']::JSONB[]),(DEFAULT,ARRAY['{"id":4,"name":"John"}','{"id":5,"name":"Tim"}']::JSONB[]) RETURNING *;
Executing (default): SELECT id, collaborator
        FROM   forms f, jsonb_array_elements(to_jsonb(f.collaborator)) obj
        WHERE  obj->>'name' = 'John';
[{"id":4,"collaborator":[{"id":4,"name":"John"},{"id":5,"name":"Tim"}]}]

检查数据库：

node-sequelize-examples=# select * from forms;
 id |                             collaborator                             
----+----------------------------------------------------------------------
  1 | {"{\"id\": 1, \"name\": \"teresa\"}"}
  2 | {"{\"id\": 2, \"name\": \"teng\"}"}
  3 | {"{\"id\": 3, \"name\": \"slideshowp2\"}"}
  4 | {"{\"id\": 4, \"name\": \"John\"}","{\"id\": 5, \"name\": \"Tim\"}"}
(4 rows)

node-sequelize-examples=# \d+ forms
                                                Table "public.forms"
    Column    |  Type   |                     Modifiers                      | Storage  | Stats target | Description 
--------------+---------+----------------------------------------------------+----------+--------------+-------------
 id           | integer | not null default nextval('forms_id_seq'::regclass) | plain    |              | 
 collaborator | jsonb[] |                                                    | extended |              | 
Indexes:
    "forms_pkey" PRIMARY KEY, btree (id)

您可以使用
sequelize.query
功能执行

“续集”：“^5.21.3”
和
postgres:9.6
，例如

从'../../db'导入{sequelize}；
从“sequelize”导入{Model，DataTypes，QueryTypes}；
类形式扩展了模型{}
Form.init(
{
身份证：{
类型：DataTypes.INTEGER，
自动递增：真，
primaryKey：没错，
},
协作者：DataTypes.ARRAY（DataTypes.JSONB），
},
{sequelize，tableName:'forms'}，
);
（异步函数测试（）{
试一试{
wait sequelize.sync（{force:true}）；
//种子
等待Form.bulkCreate([
{合作者：[{id:1，名称：'teresa'}]}，
{合作者：[{id:2，名称：'teng'}]}，
{协作者：[{id:3，名称：'slideshowp2'}]}，
{
合作者：[
{id:4，名字：'John'}，
{id:5，名字：'Tim'}，
],
},
]);
//试验
const data=wait sequelize.query(
`
选择id，合作者
从表单f，jsonb_数组_元素（到jsonb（f.collaborator））obj
其中obj->>'name'='John'；
`,
{type:QueryTypes.SELECT}，
);
log（JSON.stringify（data））；
}捕获（错误）{
console.log（错误）；
}最后{
等待续集。关闭（）；
}
})();

执行结果：

Executing (default): DROP TABLE IF EXISTS "forms" CASCADE;
Executing (default): DROP TABLE IF EXISTS "forms" CASCADE;
Executing (default): CREATE TABLE IF NOT EXISTS "forms" ("id"  SERIAL , "collaborator" JSONB[], PRIMARY KEY ("id"));
Executing (default): SELECT i.relname AS name, ix.indisprimary AS primary, ix.indisunique AS unique, ix.indkey AS indkey, array_agg(a.attnum) as column_indexes, array_agg(a.attname) AS column_names, pg_get_indexdef(ix.indexrelid) AS definition FROM pg_class t, pg_class i, pg_index ix, pg_attribute a WHERE t.oid = ix.indrelid AND i.oid = ix.indexrelid AND a.attrelid = t.oid AND t.relkind = 'r' and t.relname = 'forms' GROUP BY i.relname, ix.indexrelid, ix.indisprimary, ix.indisunique, ix.indkey ORDER BY i.relname;
Executing (default): INSERT INTO "forms" ("id","collaborator") VALUES (DEFAULT,ARRAY['{"id":1,"name":"teresa"}']::JSONB[]),(DEFAULT,ARRAY['{"id":2,"name":"teng"}']::JSONB[]),(DEFAULT,ARRAY['{"id":3,"name":"slideshowp2"}']::JSONB[]),(DEFAULT,ARRAY['{"id":4,"name":"John"}','{"id":5,"name":"Tim"}']::JSONB[]) RETURNING *;
Executing (default): SELECT id, collaborator
        FROM   forms f, jsonb_array_elements(to_jsonb(f.collaborator)) obj
        WHERE  obj->>'name' = 'John';
[{"id":4,"collaborator":[{"id":4,"name":"John"},{"id":5,"name":"Tim"}]}]

检查数据库：

node-sequelize-examples=# select * from forms;
 id |                             collaborator                             
----+----------------------------------------------------------------------
  1 | {"{\"id\": 1, \"name\": \"teresa\"}"}
  2 | {"{\"id\": 2, \"name\": \"teng\"}"}
  3 | {"{\"id\": 3, \"name\": \"slideshowp2\"}"}
  4 | {"{\"id\": 4, \"name\": \"John\"}","{\"id\": 5, \"name\": \"Tim\"}"}
(4 rows)

node-sequelize-examples=# \d+ forms
                                                Table "public.forms"
    Column    |  Type   |                     Modifiers                      | Storage  | Stats target | Description 
--------------+---------+----------------------------------------------------+----------+--------------+-------------
 id           | integer | not null default nextval('forms_id_seq'::regclass) | plain    |              | 
 collaborator | jsonb[] |                                                    | extended |              | 
Indexes:
    "forms_pkey" PRIMARY KEY, btree (id)