PostgreSQL ILIKE 查询与 SQLAlchemy [英] PostgreSQL ILIKE query with SQLAlchemy

问题描述

我想运行一个查询，选择所有标题与 '%' + [some_phrase] + '%' 匹配的帖子，不区分大小写.也就是说，选择标题中包含一些短语的所有行，不区分大小写.根据我所做的研究，看起来我需要使用 Postgres 的 ILIKE 查询来匹配不区分大小写的.如何使用 SQLAlchemy 执行这样的查询?

I'd like to run a query that selects all posts, case insensitive, that have titles that match '%' + [some_phrase] + '%'. That is, select all rows that have titles that contain some phrase, case insensitive. From the research I've done, it looks like I need to use Postgres's ILIKE query for it to match case insensitive. How can I execute a query like this with SQLAlchemy?

class Post(db.Model):
    id = db.Column(db.Integer, primary_key = True)
    title = db.Column(db.String(250))
    content = db.Column(db.String(5000))

推荐答案

我觉得应该可以

Post.query.filter(Post.title.ilike('%some_phrase%'))

http://docs.sqlalchemy.org/en/latest/orm/internals.html?highlight=ilike#sqlalchemy.orm.attributes.QueryableAttribute.ilike

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