Examples with RangeVariable io.mycat.RangeVariable used on opensource projects

Example 6 with RangeVariable

use of io.mycat.RangeVariable in project Mycat2 by MyCATApache.

the class YYYYWEEKFunctionTest method testYYYYWEEK.

/**
 *     https://help.aliyun.com/document_detail/71334.html
 */
@Test
public void testYYYYWEEK() {
    ShardingTableConfig mainSharding = new ShardingTableConfig();
    mainSharding.setCreateTableSQL("CREATE TABLE db1.`sharding` (\n" + "  `id` bigint NOT NULL AUTO_INCREMENT,\n" + "  `user_id` varchar(100) DEFAULT NULL,\n" + "  `traveldate` date DEFAULT NULL,\n" + "  `fee` decimal(10,0) DEFAULT NULL,\n" + "  `days` int DEFAULT NULL,\n" + "  `blob` longblob,\n" + "  PRIMARY KEY (`id`),\n" + "  KEY `id` (`id`)\n" + ") ENGINE=InnoDB  DEFAULT CHARSET=utf8" + " dbpartition by YYYYWEEK(traveldate) tbpartition by YYYYWEEK(traveldate) tbpartitions 3 dbpartitions 8;");
    mainSharding.setFunction(ShardingFunction.builder().properties(JsonUtil.from("{\n" + "\t\t\t\t\t\"dbNum\":\"8\",\n" + "\t\t\t\t\t\"mappingFormat\":\"c${targetIndex}/db1_${dbIndex}/sharding_${index}\",\n" + "\t\t\t\t\t\"tableNum\":\"14\",\n" + "\t\t\t\t\t\"tableMethod\":\"YYYYWEEK(traveldate)\",\n" + "\t\t\t\t\t\"storeNum\":1,\n" + "\t\t\t\t\t\"dbMethod\":\"YYYYWEEK(traveldate)\"\n" + "\t\t\t\t}", Map.class)).build());
    MetadataManager metadataManager = getMetadataManager(mainSharding);
    ShardingTable tableHandler = (ShardingTable) metadataManager.getTable("db1", "sharding");
    CustomRuleFunction shardingFuntion = tableHandler.getShardingFuntion();
    List<Partition> calculate = shardingFuntion.calculate(Collections.singletonMap("traveldate", (new RangeVariable("traveldate", RangeVariableType.EQUAL, LocalDate.of(2020, 6, 5)))));
    String s = calculate.toString();
    Assert.assertTrue(s.contains("[{targetName='c0', schemaName='db1_1', tableName='sharding_15', index=15, dbIndex=1, tableIndex=1}]"));
    Assert.assertEquals(112, shardingFuntion.calculate(Collections.emptyMap()).size());
    System.out.println();
}

Example 7 with RangeVariable

use of io.mycat.RangeVariable in project Mycat2 by MyCATApache.

the class MergeSubTablesFunction method calculate.

@Override
public List<Partition> calculate(Map<String, RangeVariable> values) {
    ArrayList<Partition> res = new ArrayList<>();
    for (RangeVariable rangeVariable : values.values()) {
        // 匹配字段名
        if (getColumnName().equalsIgnoreCase(rangeVariable.getColumnName())) {
            // /////////////////////////////////////////////////////////////
            String begin = Objects.toString(rangeVariable.getBegin());
            String end = Objects.toString(rangeVariable.getEnd());
            switch(rangeVariable.getOperator()) {
                case EQUAL:
                    {
                        Partition partition = this.calculate(begin);
                        if (partition != null) {
                            CollectionUtil.setOpAdd(res, partition);
                        } else {
                            return getTable().dataNodes();
                        }
                        break;
                    }
                case RANGE:
                    {
                        List<Partition> partitions = this.calculateRange(begin, end);
                        if (partitions == null || partitions.size() == 0) {
                            return getTable().dataNodes();
                        }
                        CollectionUtil.setOpAdd(res, partitions);
                        break;
                    }
                default:
                    continue;
            }
        }
    }
    return res.isEmpty() ? getTable().dataNodes() : res;
}

Example 8 with RangeVariable

use of io.mycat.RangeVariable in project Mycat2 by MyCATApache.

the class YYYYMMFunctionTest method testYYYYMM.

/**
 *     https://help.aliyun.com/document_detail/71334.html
 */
@Test
public void testYYYYMM() {
    ShardingTableConfig mainSharding = new ShardingTableConfig();
    mainSharding.setCreateTableSQL("CREATE TABLE db1.`sharding` (\n" + "  `id` bigint NOT NULL AUTO_INCREMENT,\n" + "  `user_id` varchar(100) DEFAULT NULL,\n" + "  `traveldate` date DEFAULT NULL,\n" + "  `fee` decimal(10,0) DEFAULT NULL,\n" + "  `days` int DEFAULT NULL,\n" + "  `blob` longblob,\n" + "  PRIMARY KEY (`id`),\n" + "  KEY `id` (`id`)\n" + ") ENGINE=InnoDB  DEFAULT CHARSET=utf8" + " dbpartition by YYYYMM(traveldate) tbpartition by YYYYMM(traveldate) tbpartitions 3 dbpartitions 8;");
    mainSharding.setFunction(ShardingFunction.builder().properties(JsonUtil.from("{\n" + "\t\t\t\t\t\"dbNum\":\"8\",\n" + "\t\t\t\t\t\"mappingFormat\":\"c${targetIndex}/db1_${dbIndex}/sharding_${index}\",\n" + "\t\t\t\t\t\"tableNum\":\"3\",\n" + "\t\t\t\t\t\"tableMethod\":\"YYYYMM(traveldate)\",\n" + "\t\t\t\t\t\"storeNum\":1,\n" + "\t\t\t\t\t\"dbMethod\":\"YYYYMM(traveldate)\"\n" + "\t\t\t\t}", Map.class)).build());
    MetadataManager metadataManager = getMetadataManager(mainSharding);
    ShardingTable tableHandler = (ShardingTable) metadataManager.getTable("db1", "sharding");
    CustomRuleFunction shardingFuntion = tableHandler.getShardingFuntion();
    List<Partition> calculate = shardingFuntion.calculate(Collections.singletonMap("traveldate", (new RangeVariable("traveldate", RangeVariableType.EQUAL, LocalDate.of(2020, 6, 5)))));
    String s = calculate.toString();
    Assert.assertTrue(s.contains("[{targetName='c0', schemaName='db1_2', tableName='sharding_6', index=6, dbIndex=2, tableIndex=0}]"));
    Assert.assertEquals(24, shardingFuntion.calculate(Collections.emptyMap()).size());
    System.out.println();
}

Example 9 with RangeVariable

use of io.mycat.RangeVariable in project Mycat2 by MyCATApache.

the class YYYYMMFunctionTest method testYYYYMMHash.

@Test
public void testYYYYMMHash() {
    ShardingTableConfig mainSharding = new ShardingTableConfig();
    mainSharding.setCreateTableSQL("CREATE TABLE db1.`sharding` (\n" + "  `id` bigint NOT NULL AUTO_INCREMENT,\n" + "  `user_id` varchar(100) DEFAULT NULL,\n" + "  `traveldate` date DEFAULT NULL,\n" + "  `fee` decimal(10,0) DEFAULT NULL,\n" + "  `days` int DEFAULT NULL,\n" + "  `blob` longblob,\n" + "  PRIMARY KEY (`id`),\n" + "  KEY `id` (`id`)\n" + ") ENGINE=InnoDB  DEFAULT CHARSET=utf8" + " dbpartition by mod_hash(id) tbpartition by YYYYMM(traveldate) tbpartitions 3 dbpartitions 24;");
    mainSharding.setFunction(ShardingFunction.builder().properties(JsonUtil.from("{\n" + "\t\t\t\t\t\"dbNum\":\"24\",\n" + "\t\t\t\t\t\"mappingFormat\":\"c${targetIndex}/db1_${dbIndex}/sharding_${tableIndex}\",\n" + "\t\t\t\t\t\"tableNum\":\"3\",\n" + "\t\t\t\t\t\"tableMethod\":\"HASH(id)\",\n" + "\t\t\t\t\t\"storeNum\":1,\n" + "\t\t\t\t\t\"dbMethod\":\"YYYYMM(traveldate)\"\n" + "\t\t\t\t}", Map.class)).build());
    MetadataManager metadataManager = getMetadataManager(mainSharding);
    ShardingTable tableHandler = (ShardingTable) metadataManager.getTable("db1", "sharding");
    CustomRuleFunction shardingFuntion = tableHandler.getShardingFuntion();
    List<Partition> calculate = shardingFuntion.calculate(Collections.singletonMap("traveldate", (new RangeVariable("traveldate", RangeVariableType.EQUAL, LocalDate.of(2020, 6, 5)))));
    String s = calculate.toString();
    Assert.assertTrue(s.contains("[{targetName='c0', schemaName='db1_6', tableName='sharding_0', index=18, dbIndex=6, tableIndex=0}, {targetName='c0', schemaName='db1_6', tableName='sharding_1', index=19, dbIndex=6, tableIndex=1}, {targetName='c0', schemaName='db1_6', tableName='sharding_2', index=20, dbIndex=6, tableIndex=2}]"));
    Assert.assertEquals(72, shardingFuntion.calculate(Collections.emptyMap()).size());
    System.out.println();
}

Example 10 with RangeVariable

use of io.mycat.RangeVariable in project Mycat2 by MyCATApache.

the class Mycat1xSingleValueRuleFunction method calculate.

@Override
public List<Partition> calculate(Map<String, RangeVariable> values) {
    ArrayList<Partition> res = new ArrayList<>();
    for (RangeVariable rangeVariable : values.values()) {
        // 匹配字段名
        if (getColumnName().equalsIgnoreCase(rangeVariable.getColumnName())) {
            // /////////////////////////////////////////////////////////////
            String begin = Objects.toString(rangeVariable.getBegin());
            String end = Objects.toString(rangeVariable.getEnd());
            switch(rangeVariable.getOperator()) {
                case EQUAL:
                    {
                        Partition partition = this.calculate(begin);
                        if (partition != null) {
                            CollectionUtil.setOpAdd(res, partition);
                        } else {
                            return getTable().dataNodes();
                        }
                        break;
                    }
                case RANGE:
                    {
                        List<Partition> partitions = this.calculateRange(begin, end);
                        if (partitions == null || partitions.size() == 0) {
                            return getTable().dataNodes();
                        }
                        CollectionUtil.setOpAdd(res, partitions);
                        break;
                    }
                default:
                    continue;
            }
        }
    }
    return res.isEmpty() ? getTable().dataNodes() : res;
}