WEEK is a valid interval unit

[iainsproat]

Describe the bug

WEEK should be recognised as a valid interval unit.
pg 16: https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT
pg 14: https://www.postgresql.org/docs/14/datatype-datetime.html#DATATYPE-INTERVAL-INPUT

Error: 
    UPDATE object_preview
    SET
      "previewStatus" = 1,
      "lastUpdate" = NOW()
    FROM (
      SELECT "streamId", "objectId" FROM object_preview
      WHERE "previewStatus" = 0 OR ("previewStatus" = 1 AND "lastUpdate" < NOW() - INTERVAL '1 WEEK')
      ORDER BY "priority" ASC, "lastUpdate" ASC
      LIMIT 1
    ) as task
    WHERE object_preview."streamId" = task."streamId" AND object_preview."objectId" = task."objectId"
    RETURNING object_preview."streamId", object_preview."objectId"
   - invalid syntax at line 1 col 3:

1  1 week
     ^
Unexpected input (lexer error). Instead, I was expecting to see one of the following:

    - A "dot" token
    - A "colon" token
    - A "years" token
    - A "months" token
    - A "days" token
    - A "hours" token
    - A "minutes" token
    - A "seconds" token
    - A "milliseconds" token



💥 This is a nasty error, which was unexpected by pg-mem. Also known "a bug" 😁 Please file an issue !

To Reproduce

A more minimal example to reproduce:

SELECT "id" FROM my_table
      WHERE "lastUpdate" < NOW() - INTERVAL '1 WEEK'

pg-mem version

2.8.1