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fixed issue #4899 , druid SchemaRepository support quota

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jianghang.loujh
2024-01-15 15:14:11 +08:00
parent 04c11ec8eb
commit 1413cc9196
3 changed files with 93 additions and 2 deletions
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13
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/tsdb/MemoryTableMeta.java
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@@ -6,6 +6,10 @@ import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import com.alibaba.druid.DbType;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.visitor.SQLASTOutputVisitor;
import com.alibaba.druid.sql.visitor.VisitorFeature;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -149,7 +153,14 @@ public class MemoryTableMeta implements TableMetaTSDB {
StringBuilder data = new StringBuilder(4 * 1024);
for (String table : schema.showTables()) {
SchemaObject schemaObject = schema.findTable(table);
schemaObject.getStatement().output(data);
// fixed issue #4899
// snapshot输出的DDL语句未正确处理mysql keyword
// 导致canal重启回滚时会出现ddl解析失败的问题
// schemaObject.getStatement().output(data);
SQLASTOutputVisitor visitor = SQLUtils.createOutputVisitor(data, DbType.mysql);
visitor.config(VisitorFeature.OutputNameQuote, true);
schemaObject.getStatement().accept(visitor);
data.append("; \n");
}
schemaDdls.put(schema.getName(), data.toString());