WITH

The WITH clause defines a common table expression (CTE), which is a temporary named result set. The definition of a CTE includes its name, an optional list of column names, and a query expression (that is, a SELECT statement).

For more information about SELECT statements, see SELECT.

Syntax

Example

[ WITH <cte_name> [ ( <cte_column1>, <cte_column2>, ... ) ]
    AS ( <query> ) 
]
SELECT ...

Parameters

[ WITH <cte_name> [ ( <cte_column1>, <cte_column2>, ... ) ] AS ( <query> ) ] String

A temporary named result set for use in the statement that defines the CTE.

• <cte_name>: The name of the CTE you are defining. The CTE must have a unique name within a given query.

• <cte_column#>: The names of the columns from the query that defines the CTE.

• AS <query>: The query (SELECT) statement that defines the CTE.

Examples

Get Average ETH withdrawn per block after the Ethereum Shanghai Upgrade

with eth_withdrawn as (
  select eth.withdrawals.block_number, SUM(amount) as amount_gwei
  from eth.withdrawals
  group by eth.withdrawals.block_number
  order by block_number asc)

select AVG(amount_gwei / 1e9) as amount_eth
from eth_withdrawn