Source code for sqltrack.util

from __future__ import annotations

try:
    from psycopg.sql import SQL
except ImportError:
    class SQL:
        pass


__all__ = (
    'SQL',
    'coalesce',
)


def coalesce(*values) -> object:
    """
    Returns the first none-None value.
    """
    for v in values:
        if v is not None:
            return v
    return None