Java Primitive.ofBoxOr方法代码示例

import org.apache.calcite.linq4j.tree.Primitive; //导入方法依赖的package包/类
private void generateGet(EnumerableRelImplementor implementor,
                         PhysType physType, BlockBuilder builder, ParameterExpression resultSet,
                         int i, Expression target, Expression calendar,
                         CalendarPolicy calendarPolicy) {
    final Primitive primitive = Primitive.ofBoxOr(physType.fieldClass(i));
    final RelDataType fieldType =
            physType.getRowType().getFieldList().get(i).getType();
    final List<Expression> dateTimeArgs = new ArrayList<Expression>();
    dateTimeArgs.add(Expressions.constant(i + 1));
    SqlTypeName sqlTypeName = fieldType.getSqlTypeName();
    boolean offset = false;
    switch (calendarPolicy) {
    case LOCAL:
        dateTimeArgs.add(calendar);
        break;
    case NULL:
        // We don't specify a calendar at all, so we don't add an argument and
        // instead use the version of the getXXX that doesn't take a Calendar
        break;
    case DIRECT:
        sqlTypeName = SqlTypeName.ANY;
        break;
    case SHIFT:
        switch (sqlTypeName) {
        case TIMESTAMP:
        case DATE:
            offset = true;
            break;
        default:
        }
        break;
    default:
    }
    final Expression source;
    switch (sqlTypeName) {
    case DATE:
    case TIME:
    case TIMESTAMP:
        source = Expressions.call(
                getMethod(sqlTypeName, fieldType.isNullable(), offset),
                Expressions.<Expression>list()
                        .append(
                                Expressions.call(resultSet,
                                        getMethod2(sqlTypeName), dateTimeArgs))
                        .appendIf(offset, getTimeZoneExpression(implementor)));
        break;
    case ARRAY:
        final Expression x = Expressions.convert_(
                Expressions.call(resultSet, jdbcGetMethod(primitive),
                        Expressions.constant(i + 1)),
                java.sql.Array.class);
        source = Expressions.call(BuiltInMethod.JDBC_ARRAY_TO_LIST.method, x);
        break;
    default:
        source = Expressions.call(
                resultSet, jdbcGetMethod(primitive), Expressions.constant(i + 1));
    }
    builder.add(
            Expressions.statement(
                    Expressions.assign(
                            target, source)));

    // [CALCITE-596] If primitive type columns contain null value, returns null
    // object
    if (primitive != null) {
        builder.add(
                Expressions.ifThen(
                        Expressions.call(resultSet, "wasNull"),
                        Expressions.statement(
                                Expressions.assign(target,
                                        Expressions.constant(null)))));
    }
}
 

import org.apache.calcite.linq4j.tree.Primitive; //导入方法依赖的package包/类
public SparkRel.Result implementSpark(SparkRel.Implementor implementor) {
  // Generate:
  //   ResultSetEnumerable.of(schema.getDataSource(), "select ...")
  final BlockBuilder list = new BlockBuilder();
  final JdbcRel child = (JdbcRel) getInput();
  final PhysType physType =
      PhysTypeImpl.of(
          implementor.getTypeFactory(), getRowType(),
          JavaRowFormat.CUSTOM);
  final JdbcConvention jdbcConvention =
      (JdbcConvention) child.getConvention();
  String sql = generateSql(jdbcConvention.dialect);
  if (CalcitePrepareImpl.DEBUG) {
    System.out.println("[" + sql + "]");
  }
  final Expression sqlLiteral =
      list.append("sql", Expressions.constant(sql));
  final List<Primitive> primitives = new ArrayList<Primitive>();
  for (int i = 0; i < getRowType().getFieldCount(); i++) {
    final Primitive primitive = Primitive.ofBoxOr(physType.fieldClass(i));
    primitives.add(primitive != null ? primitive : Primitive.OTHER);
  }
  final Expression primitivesLiteral =
      list.append("primitives",
          Expressions.constant(
              primitives.toArray(new Primitive[primitives.size()])));
  final Expression enumerable =
      list.append(
          "enumerable",
          Expressions.call(
              BuiltInMethod.RESULT_SET_ENUMERABLE_OF.method,
              Expressions.call(
                  Expressions.convert_(
                      jdbcConvention.expression,
                      JdbcSchema.class),
                  BuiltInMethod.JDBC_SCHEMA_DATA_SOURCE.method),
              sqlLiteral,
              primitivesLiteral));
  list.add(
      Expressions.return_(null, enumerable));
  return implementor.result(physType, list.toBlock());
}
 

import org.apache.calcite.linq4j.tree.Primitive; //导入方法依赖的package包/类
private void generateGet(EnumerableRelImplementor implementor,
    PhysType physType, BlockBuilder builder, ParameterExpression resultSet_,
    int i, Expression target, Expression calendar_,
    SqlDialect.CalendarPolicy calendarPolicy) {
  final Primitive primitive = Primitive.ofBoxOr(physType.fieldClass(i));
  final RelDataType fieldType =
      physType.getRowType().getFieldList().get(i).getType();
  final List<Expression> dateTimeArgs = new ArrayList<Expression>();
  dateTimeArgs.add(Expressions.constant(i + 1));
  SqlTypeName sqlTypeName = fieldType.getSqlTypeName();
  boolean offset = false;
  switch (calendarPolicy) {
  case LOCAL:
    dateTimeArgs.add(calendar_);
    break;
  case NULL:
    // We don't specify a calendar at all, so we don't add an argument and
    // instead use the version of the getXXX that doesn't take a Calendar
    break;
  case DIRECT:
    sqlTypeName = SqlTypeName.ANY;
    break;
  case SHIFT:
    switch (sqlTypeName) {
    case TIMESTAMP:
    case DATE:
      offset = true;
    }
    break;
  }
  final Expression source;
  switch (sqlTypeName) {
  case DATE:
  case TIME:
  case TIMESTAMP:
    source = Expressions.call(
        getMethod(sqlTypeName, fieldType.isNullable(), offset),
        Expressions.<Expression>list()
            .append(
                Expressions.call(resultSet_,
                    getMethod2(sqlTypeName), dateTimeArgs))
        .appendIf(offset, getTimeZoneExpression(implementor)));
    break;
  case ARRAY:
    final Expression x = Expressions.convert_(
        Expressions.call(resultSet_, jdbcGetMethod(primitive),
            Expressions.constant(i + 1)),
        java.sql.Array.class);
    source = Expressions.call(BuiltInMethod.JDBC_ARRAY_TO_LIST.method, x);
    break;
  default:
    source = Expressions.call(
        resultSet_, jdbcGetMethod(primitive), Expressions.constant(i + 1));
  }
  builder.add(
      Expressions.statement(
          Expressions.assign(
              target, source)));

  // [CALCITE-596] If primitive type columns contain null value, returns null
  // object
  if (primitive != null) {
    builder.add(
        Expressions.ifThen(
            Expressions.call(resultSet_, "wasNull"),
            Expressions.statement(
                Expressions.assign(target,
                    Expressions.constant(null)))));
  }
}
 

import org.apache.calcite.linq4j.tree.Primitive; //导入方法依赖的package包/类
public Expression implement(
    RexToLixTranslator translator,
    RexCall call,
    List<Expression> expressions) {
  // neither nullable:
  //   return x OP y
  // x nullable
  //   null_returns_null
  //     return x == null ? null : x OP y
  //   ignore_null
  //     return x == null ? null : y
  // x, y both nullable
  //   null_returns_null
  //     return x == null || y == null ? null : x OP y
  //   ignore_null
  //     return x == null ? y : y == null ? x : x OP y
  if (backupMethodName != null) {
    // If one or both operands have ANY type, use the late-binding backup
    // method.
    if (anyAnyOperands(call)) {
      return callBackupMethodAnyType(translator, call, expressions);
    }

    final Type type0 = expressions.get(0).getType();
    final Type type1 = expressions.get(1).getType();
    final SqlBinaryOperator op = (SqlBinaryOperator) call.getOperator();
    final Primitive primitive = Primitive.ofBoxOr(type0);
    if (primitive == null
        || type1 == BigDecimal.class
        || COMPARISON_OPERATORS.contains(op)
        && !COMP_OP_TYPES.contains(primitive)) {
      return Expressions.call(SqlFunctions.class, backupMethodName,
          expressions);
    }
  }

  final Type returnType =
      translator.typeFactory.getJavaClass(call.getType());
  return Types.castIfNecessary(returnType,
      Expressions.makeBinary(expressionType, expressions.get(0),
          expressions.get(1)));
}