code: func DetachCondsForColumn(sctx sessionctx.Context, conds []expression.Expression, col *expression.Column) (accessConditions, otherConditions []expression.Expression) {
  	checker := &conditionChecker{
  		colUniqueID: col.UniqueID,
  		length:      types.UnspecifiedLength,
  	}
  	return detachColumnCNFConditions(sctx, conds, checker)
  }
docs: // DetachCondsForColumn detaches access conditions for specified column from other filter conditions.