这是我的子查询(由于where子句,它总是返回一条记录):from(a in "table1", where: a. id == ^parameter, select: [a.special_id1, a.special_id2, a.special_id3])from(b in "table2", where: b.id in subquery(subset), select: [:first_name, :last_n
我需要使用Ecto进行以下SQL查询:
SELECT users.*, (select count(0) from money_transactions where from_id = users.idAND created_at > '2016-1-25 0:00:00.000000') as money_transactions_today_db FROM "users" WHERE "usersselect: {users, (from money_transa
我是Postgresql JSONb和Ecto的新手。我有一个列“配置”的表,即jsonb。我能够插入,但是当我尝试使用where条件从它中选择片段函数时,我无法让它工作。configuration" FROM "instances" AS i0 WHERE (ecto) lib/ecto/repo/queryable.ex:
在ecto里我可以写#Ecto.Query<from c in Qber.V1.CustomerModel, where: like(c.id, "%1")>(undefined_function): operator does not exist: integer ~~ unknown因此,在Postgres中,我可