Method expression_binary_op_key

tank-mongodb/src/sql_writer.rs:81–118

(value: BinaryOpType)

        }
    }

    pub fn expression_binary_op_key(value: BinaryOpType) -> &'static str {
        let result = match value {
            BinaryOpType::Indexing => "$arrayElemAt",
            BinaryOpType::Cast => "",
            BinaryOpType::Multiplication => "$multiply",
            BinaryOpType::Division => "$divide",
            BinaryOpType::Remainder => "$mod",
            BinaryOpType::Addition => "$add",
            BinaryOpType::Subtraction => "$subtract",
            BinaryOpType::ShiftLeft => "",
            BinaryOpType::ShiftRight => "",
            BinaryOpType::BitwiseAnd => "$bitAnd",
            BinaryOpType::BitwiseOr => "$bitOr",
            BinaryOpType::In => "$in",
            BinaryOpType::NotIn => "$nin",
            BinaryOpType::Is => "$eq",
            BinaryOpType::IsNot => "$ne",
            BinaryOpType::Like => "",
            BinaryOpType::NotLike => "",
            BinaryOpType::Regexp => "$regexMatch",
            BinaryOpType::NotRegexp => "",
            BinaryOpType::Glob => "",
            BinaryOpType::NotGlob => "",
            BinaryOpType::Equal => "$eq",
            BinaryOpType::NotEqual => "$ne",
            BinaryOpType::Less => "$lt",
            BinaryOpType::Greater => "$gt",
            BinaryOpType::LessEqual => "$lte",
            BinaryOpType::GreaterEqual => "$gte",
            BinaryOpType::And => "$and",
            BinaryOpType::Or => "$or",
            BinaryOpType::Alias => "",
        };
        if result.is_empty() {
            log::error!("MongoDB does not support {value:?} binary operator");
        }
        result
    }
}