Replace `ilike` with `lower`

import logging

from typing import Type

from sqlalchemy import sql

from sqlalchemy import (

    func,

    sql,

)

from galaxy import model

from galaxy.model.tags import GalaxyTagHandler

            target_model = getattr(model, f"{class_name}TagAssociation")

            id_column = f"{target_model.table.name.rsplit('_tag_association')[0]}_id"

            column = target_model.table.c.user_tname + ":" + target_model.table.c.user_value

            lower_val = val.lower()  # Ignore case

            if op == "eq":

                if ":" not in val:

                if ":" not in lower_val:

                    # We require an exact match and the tag to look for has no user_value,

                    # so we can't just concatenate user_tname, ':' and user_vale

                    cond = target_model.table.c.user_tname.ilike(val)

                    cond = func.lower(target_model.table.c.user_tname) == lower_val

                else:

                    cond = column.ilike(val)

                    cond = func.lower(column) == lower_val

            else:

                cond = column.contains(val, autoescape=True)

                cond = func.lower(column).contains(lower_val, autoescape=True)

            return sql.expression.and_(model_class.table.c.id == getattr(target_model.table.c, id_column), cond)

        return _create_tag_filter