@@ -82,7 +82,7 @@ See the wiki page for : <a href="https://github.com/alibaba/canal/wiki" >wiki文
|
||||
|
||||
1. canal整体交互协议设计上使用了protobuf3.0,理论上可以支持绝大部分的多语言场景,欢迎大家提交多客户端的PR
|
||||
* canal java客户端: <a href="https://github.com/alibaba/canal/wiki/ClientExample"> https://github.com/alibaba/canal/wiki/ClientExample </a>
|
||||
* canal c#客户端开源项目地址:<a href="https://github.com/CanalClient/CanalSharp"> https://github.com/CanalSharp/CanalSharp </a>
|
||||
* canal c#客户端开源项目地址:<a href="https://github.com/dotnetcore/CanalSharp"> https://github.com/dotnetcore/CanalSharp </a>
|
||||
* canal go客户端开源项目地址:<a href="https://github.com/CanalClient/canal-go"> https://github.com/CanalClient/canal-go </a>
|
||||
2. canal作为MySQL binlog的增量获取工具,可以将数据投递到MQ系统中,比如Kafka/RocketMQ,可以借助于MQ的多语言能力
|
||||
* 参考文档: [Canal Kafka/RocketMQ QuickStart](https://github.com/alibaba/canal/wiki/Canal-Kafka-RocketMQ-QuickStart)
|
||||
@@ -117,7 +117,7 @@ See the wiki page for : <a href="https://github.com/alibaba/canal/wiki" >wiki文
|
||||
<h3>最新更新</h3>
|
||||
<ol>
|
||||
<li>canal发布重大版本更新1.1.0,具体releaseNode参考:<a href="https://github.com/alibaba/canal/releases/tag/canal-1.1.0">https://github.com/alibaba/canal/releases/tag/canal-1.1.0</a></li>
|
||||
<li>canal c#客户端开源项目地址:<a href="https://github.com/CanalClient/CanalSharp"> https://github.com/CanalClient/CanalSharp </a>,推荐! </li>
|
||||
<li>canal c#客户端开源项目地址:<a href="https://github.com/dotnetcore/CanalSharp"> https://github.com/dotnetcore/CanalSharp </a>,推荐! </li>
|
||||
<li>canal QQ讨论群已经建立,群号:161559791 ,欢迎加入进行技术讨论。</li>
|
||||
<li>canal消费端项目开源: Otter(分布式数据库同步系统),地址:<a href="https://github.com/alibaba/otter">https://github.com/alibaba/otter</a></li>
|
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|
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|
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+2
-2
@@ -76,7 +76,7 @@ public class JdbcTypeUtil {
|
||||
|| "TEXT".equalsIgnoreCase(columnType) || "TINYTEXT".equalsIgnoreCase(columnType);
|
||||
}
|
||||
|
||||
public static Object typeConvert(String columnName, String value, int sqlType, String mysqlType) {
|
||||
public static Object typeConvert(String tableName ,String columnName, String value, int sqlType, String mysqlType) {
|
||||
if (value == null
|
||||
|| (value.equals("") && !(isText(mysqlType) || sqlType == Types.CHAR || sqlType == Types.VARCHAR || sqlType == Types.LONGVARCHAR))) {
|
||||
return null;
|
||||
@@ -161,7 +161,7 @@ public class JdbcTypeUtil {
|
||||
}
|
||||
return res;
|
||||
} catch (Exception e) {
|
||||
logger.error("table: {} column: {}, failed convert type {} to {}", columnName, value, sqlType);
|
||||
logger.error("table: {} column: {}, failed convert type {} to {}", tableName, columnName, value, sqlType);
|
||||
return value;
|
||||
}
|
||||
}
|
||||
|
||||
+6
-6
@@ -77,7 +77,7 @@ public class MessageUtil {
|
||||
}
|
||||
}
|
||||
row.put(column.getName(),
|
||||
JdbcTypeUtil.typeConvert(column.getName(),
|
||||
JdbcTypeUtil.typeConvert(dml.getTable(),column.getName(),
|
||||
column.getValue(),
|
||||
column.getSqlType(),
|
||||
column.getMysqlType()));
|
||||
@@ -95,7 +95,7 @@ public class MessageUtil {
|
||||
for (CanalEntry.Column column : rowData.getBeforeColumnsList()) {
|
||||
if (updateSet.contains(column.getName())) {
|
||||
rowOld.put(column.getName(),
|
||||
JdbcTypeUtil.typeConvert(column.getName(),
|
||||
JdbcTypeUtil.typeConvert(dml.getTable(),column.getName(),
|
||||
column.getValue(),
|
||||
column.getSqlType(),
|
||||
column.getMysqlType()));
|
||||
@@ -153,16 +153,16 @@ public class MessageUtil {
|
||||
// }
|
||||
List<Map<String, String>> data = flatMessage.getData();
|
||||
if (data != null) {
|
||||
dml.setData(changeRows(data, flatMessage.getSqlType(), flatMessage.getMysqlType()));
|
||||
dml.setData(changeRows(dml.getTable(), data, flatMessage.getSqlType(), flatMessage.getMysqlType()));
|
||||
}
|
||||
List<Map<String, String>> old = flatMessage.getOld();
|
||||
if (old != null) {
|
||||
dml.setOld(changeRows(old, flatMessage.getSqlType(), flatMessage.getMysqlType()));
|
||||
dml.setOld(changeRows(dml.getTable(), old, flatMessage.getSqlType(), flatMessage.getMysqlType()));
|
||||
}
|
||||
return dml;
|
||||
}
|
||||
|
||||
private static List<Map<String, Object>> changeRows(List<Map<String, String>> rows, Map<String, Integer> sqlTypes,
|
||||
private static List<Map<String, Object>> changeRows(String table, List<Map<String, String>> rows, Map<String, Integer> sqlTypes,
|
||||
Map<String, String> mysqlTypes) {
|
||||
List<Map<String, Object>> result = new ArrayList<>();
|
||||
for (Map<String, String> row : rows) {
|
||||
@@ -181,7 +181,7 @@ public class MessageUtil {
|
||||
continue;
|
||||
}
|
||||
|
||||
Object finalValue = JdbcTypeUtil.typeConvert(columnName, columnValue, sqlType, mysqlType);
|
||||
Object finalValue = JdbcTypeUtil.typeConvert(table, columnName, columnValue, sqlType, mysqlType);
|
||||
resultRow.put(columnName, finalValue);
|
||||
}
|
||||
result.add(resultRow);
|
||||
|
||||
+45
-44
@@ -107,8 +107,9 @@ public class RdbSyncService {
|
||||
int j = i;
|
||||
futures.add(executorThreads[i].submit(() -> {
|
||||
try {
|
||||
dmlsPartition[j]
|
||||
.forEach(syncItem -> sync(batchExecutors[j], syncItem.config, syncItem.singleDml));
|
||||
dmlsPartition[j].forEach(syncItem -> sync(batchExecutors[j],
|
||||
syncItem.config,
|
||||
syncItem.singleDml));
|
||||
dmlsPartition[j].clear();
|
||||
batchExecutors[j].commit();
|
||||
return true;
|
||||
@@ -146,49 +147,49 @@ public class RdbSyncService {
|
||||
sync(dmls, dml -> {
|
||||
if (dml.getIsDdl() != null && dml.getIsDdl() && StringUtils.isNotEmpty(dml.getSql())) {
|
||||
// DDL
|
||||
columnsTypeCache.remove(dml.getDestination() + "." + dml.getDatabase() + "." + dml.getTable());
|
||||
return false;
|
||||
columnsTypeCache.remove(dml.getDestination() + "." + dml.getDatabase() + "." + dml.getTable());
|
||||
return false;
|
||||
} else {
|
||||
// DML
|
||||
String destination = StringUtils.trimToEmpty(dml.getDestination());
|
||||
String groupId = StringUtils.trimToEmpty(dml.getGroupId());
|
||||
String database = dml.getDatabase();
|
||||
String table = dml.getTable();
|
||||
Map<String, MappingConfig> configMap;
|
||||
if (envProperties != null && !"tcp".equalsIgnoreCase(envProperties.getProperty("canal.conf.mode"))) {
|
||||
configMap = mappingConfig.get(destination + "-" + groupId + "_" + database + "-" + table);
|
||||
} else {
|
||||
// DML
|
||||
String destination = StringUtils.trimToEmpty(dml.getDestination());
|
||||
String groupId = StringUtils.trimToEmpty(dml.getGroupId());
|
||||
String database = dml.getDatabase();
|
||||
String table = dml.getTable();
|
||||
Map<String, MappingConfig> configMap;
|
||||
if (envProperties != null && !"tcp".equalsIgnoreCase(envProperties.getProperty("canal.conf.mode"))) {
|
||||
configMap = mappingConfig.get(destination + "-" + groupId + "_" + database + "-" + table);
|
||||
} else {
|
||||
configMap = mappingConfig.get(destination + "_" + database + "-" + table);
|
||||
}
|
||||
|
||||
if (configMap == null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (configMap.values().isEmpty()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
for (MappingConfig config : configMap.values()) {
|
||||
if (config.getConcurrent()) {
|
||||
List<SingleDml> singleDmls = SingleDml.dml2SingleDmls(dml);
|
||||
singleDmls.forEach(singleDml -> {
|
||||
int hash = pkHash(config.getDbMapping(), singleDml.getData());
|
||||
SyncItem syncItem = new SyncItem(config, singleDml);
|
||||
dmlsPartition[hash].add(syncItem);
|
||||
});
|
||||
} else {
|
||||
int hash = 0;
|
||||
List<SingleDml> singleDmls = SingleDml.dml2SingleDmls(dml);
|
||||
singleDmls.forEach(singleDml -> {
|
||||
SyncItem syncItem = new SyncItem(config, singleDml);
|
||||
dmlsPartition[hash].add(syncItem);
|
||||
});
|
||||
}
|
||||
}
|
||||
return true;
|
||||
configMap = mappingConfig.get(destination + "_" + database + "-" + table);
|
||||
}
|
||||
});
|
||||
|
||||
if (configMap == null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (configMap.values().isEmpty()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
for (MappingConfig config : configMap.values()) {
|
||||
if (config.getConcurrent()) {
|
||||
List<SingleDml> singleDmls = SingleDml.dml2SingleDmls(dml);
|
||||
singleDmls.forEach(singleDml -> {
|
||||
int hash = pkHash(config.getDbMapping(), singleDml.getData());
|
||||
SyncItem syncItem = new SyncItem(config, singleDml);
|
||||
dmlsPartition[hash].add(syncItem);
|
||||
});
|
||||
} else {
|
||||
int hash = 0;
|
||||
List<SingleDml> singleDmls = SingleDml.dml2SingleDmls(dml);
|
||||
singleDmls.forEach(singleDml -> {
|
||||
SyncItem syncItem = new SyncItem(config, singleDml);
|
||||
dmlsPartition[hash].add(syncItem);
|
||||
});
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
} );
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -314,7 +315,7 @@ public class RdbSyncService {
|
||||
for (String srcColumnName : old.keySet()) {
|
||||
List<String> targetColumnNames = new ArrayList<>();
|
||||
columnsMap.forEach((targetColumn, srcColumn) -> {
|
||||
if (srcColumnName.toLowerCase().equals(srcColumn.toLowerCase())) {
|
||||
if (srcColumnName.equalsIgnoreCase(srcColumn)) {
|
||||
targetColumnNames.add(targetColumn);
|
||||
}
|
||||
});
|
||||
|
||||
+2
-2
@@ -106,8 +106,8 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
|
||||
|
||||
// stage 3
|
||||
SequenceBarrier dmlParserSequenceBarrier = disruptorMsgBuffer.newBarrier(simpleParserStage.getSequence());
|
||||
WorkHandler<MessageEvent>[] workHandlers = new DmlParserStage[parserThreadCount];
|
||||
for (int i = 0; i < parserThreadCount; i++) {
|
||||
WorkHandler<MessageEvent>[] workHandlers = new DmlParserStage[tc];
|
||||
for (int i = 0; i < tc; i++) {
|
||||
workHandlers[i] = new DmlParserStage();
|
||||
}
|
||||
workerPool = new WorkerPool<MessageEvent>(disruptorMsgBuffer,
|
||||
|
||||
Reference in New Issue
Block a user