[BUG] Missing function: dayname

[rampage644]

Function: dayname
Category: Date & time
Status: Failed (Return Code: 1)
Documentation: https://docs.snowflake.com/en/sql-reference/functions/dayname

Test SQL:

SELECT DAYNAME('2025-05-01'::date);

Expected Result:

N/A

Actual Result:

SELECT DAYNAME('2025-05-01'::date);

Stderr:

╭─ Error ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ 000200: 200: DataFusion error: Error during planning: Invalid function 'dayname'.                                                                           │
│ Did you mean 'range'?                                                                                                                                       │
╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯

Parent EPIC: #515