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Update LogEventConvert.java #4653

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merged 1 commit into from
Mar 16, 2023
Merged

Update LogEventConvert.java #4653

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17 changes: 17 additions & 0 deletions parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/LogEventConvert.java
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Original file line number Diff line number Diff line change
Expand Up @@ -754,6 +754,23 @@ private boolean parseOneRow(RowData.Builder rowDataBuilder, RowsLogEvent event,
int javaType = buffer.getJavaType();
if (buffer.isNull()) {
columnBuilder.setIsNull(true);

// 处理各种类型
switch (javaType) {
case Types.BINARY:
case Types.VARBINARY:
case Types.LONGVARBINARY:

// https://github.com/alibaba/canal/issues/4652
// mysql binlog中blob/text都处理为blob类型，需要反查table
// meta，按编码解析text
if (fieldMeta != null && isText(fieldMeta.getColumnType())) {
javaType = Types.CLOB;
} else {
javaType = Types.BLOB;
}
break;
}
} else {
final Serializable value = buffer.getValue();
// 处理各种类型
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