Postgres 正则表达式子字符串或 regexp_matches 的实际示例

Question

几天来，我一直在尝试解决以下问题。请帮忙

PostgreSQL 表：位置

Id         State

--------------------
1          New York

2          Texas

input = '来自德克萨斯州的问候所有牛仔'

输出：包含德克萨斯的行

SELECT id, state FROM locations WHERE state ~* substring(input from state)

Answer 1

1.

select * from locations where 'Greetings from Texas to all Cowboys' ~ State;

2.

select * from locations where State = any(string_to_array('Greetings from Texas to all Cowboys',' '));

以上两种方法在某些情况下都有一些问题，但我想知道它们是否适合您。

3.

select * from locations where 'reetings from Texas to all Cowboys' ~* ('\\m' || state || '\\M');

最后一种方法会更好。