Hi! We have replication mysql to clickhouse configured with materialized-mysql driver.

sometimes strange behavior happens 

and in the clickhouse there are values that are not in this mysql database

for example: 

mysql revenue value is 0.292, but in clickhouse - 2147483648.292

mysql table ddl:
```
CREATE TABLE `adsense` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `date` date NOT NULL,
  `sub1` varchar(40) DEFAULT NULL,
  `sub2` varchar(255) DEFAULT NULL,
  `lead_id` int DEFAULT NULL,
  `revenue` decimal(10,3) unsigned NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_adsense_sub1` (`sub1`),
  KEY `idx_adsense_lead_id` (`lead_id`),
  KEY `adsense_sub2_index` (`sub2`),
  KEY `adsense_date_index` (`date`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
```

clickhouse table ddl:
```
create table adsense
(
    id              UInt64,
    date            Date,
    sub1            Nullable(String),
    sub2            Nullable(String),
    lead_id         Nullable(Int32),
    clicks          Int32,
    revenue         Decimal(10, 3),
    created_at      DateTime,
    _sign           Int8 materialized 1,
    _version        UInt64 materialized 1
)
    engine = MaterializeMySQL(_version)
        PARTITION BY intDiv(id, 18446744073709551)
        ORDER BY (date, assumeNotNull(sub2), assumeNotNull(sub1),
                  assumeNotNull(lead_id), id)
        SETTINGS index_granularity = 8192;
```


schema.resize(schema_len);
        payload.readStrict(reinterpret_cast<char *>(schema.data()), schema_len);
        payload.ignore(1);
        payload.readStrict(reinterpret_cast<char *>(&table_len), 1);
        table.resize(table_len);
        payload.readStrict(reinterpret_cast<char *>(table.data()), table_len);
        payload.ignore(1);
        column_count = readLengthEncodedNumber(payload);
        for (auto i = 0U; i < column_count; i++)
        {
            UInt8 v = 0x00;
            payload.readStrict(reinterpret_cast<char *>(&v), 1);
            column_type.emplace_back(v);
        }
        String meta;
        readLengthEncodedString(meta, payload);
        parseMeta(meta);
        size_t null_bitmap_size = (column_count + 7) / 8;
        readBitmap(payload, null_bitmap, null_bitmap_size);
        
        
        payload.ignoreAll();
    }
    
    
    
    
    
    
    void TableMapEvent::parseMeta(String meta)