Encode SQL as urlsafe base64 for the TiTiler sql= query parameter

Matches server/titiler/factory.py::_decode_sql (urlsafe_b64decode, padding optional). Use the result directly in ?sql= on the /msens endpoints.

Usage

sdm_sql_b64(sql)

Arguments

sql

a single SELECT cell_id, value ... statement

Value

urlsafe base64 string (padding stripped)