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预留sync(MappingConfig config, List<Dml> dmlList)方法

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pk hash以old pk值为准若存在
This commit is contained in:
mcy
2018-11-14 20:26:38 +08:00
parent d396a0b65c
commit 915849b83a
3 changed files with 38 additions and 11 deletions
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16
protocol/src/main/java/com/alibaba/otter/canal/protocol/FlatMessage.java
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@@ -171,8 +171,9 @@ public class FlatMessage implements Serializable {
try {
rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue());
} catch (Exception e) {
throw new RuntimeException("ERROR ## parser of eromanga-event has an error , data:"
+ entry.toString(), e);
throw new RuntimeException(
"ERROR ## parser of eromanga-event has an error , data:" + entry.toString(),
e);
}
CanalEntry.EventType eventType = rowChange.getEventType();
@@ -214,7 +215,7 @@ public class FlatMessage implements Serializable {
mysqlType.put(column.getName(), column.getMysqlType());
if (column.getIsNull()) {
row.put(column.getName(), null);
} else {
} else {
row.put(column.getName(), column.getValue());
}
// 获取update为true的字段
@@ -284,7 +285,14 @@ public class FlatMessage implements Serializable {
if (flatMessage.getData() != null) {
int idx = 0;
for (Map<String, String> row : flatMessage.getData()) {
String value = row.get(pk);
Map<String, String> o = flatMessage.getOld().get(idx);
String value;
// 如果old中有pk值说明主键有修改, 以旧的主键值hash为准
if (o != null && o.containsKey(pk)) {
value = o.get(pk);
} else {
value = row.get(pk);
}
if (value == null) {
value = "";
}