postgresql 如何在 Redshift 中创建行号？
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时间：2020-10-21 01:31:13 来源:igfitidea点击:
How do I create row numbers in Redshift?
提问by d_a_c321
I would like to create a table using a select statement and add a column with row numbers
我想使用 select 语句创建一个表并添加一个带有行号的列
So I'd like to write something like:
所以我想写一些类似的东西：
create table schema.table_w_rownumbers as
select
identity(1, 1) as nrum,
foo.*
from schema.initial_table as foo;
回答by user 923227
This worked for me!
这对我有用！
create table schema.table_w_rownumbers as
select
row_number() over (partition by 1) as nrum,
foo.*
from schema.initial_table as foo;
回答by SQLChao
Try this code. Make sure you change order by idto whatever it needs to be ordered by.
试试这个代码。确保您更改order by id为需要订购的任何内容。
Create Table schema.table_w_rownumbers
AS
(
select row_number() over (order by id) as nrum, * schema.initial_table
);
