kimmking commented on issue #5813:
URL: https://github.com/apache/shardingsphere/issues/5813#issuecomment-635137728
I got it.
```
[ERROR] 14:36:51.737 [ShardingSphere-Command-1]
o.a.s.s.f.c.CommandExecutorTask - Exception occur:
java.lang.ClassCastException:
org.apache.shardingsphere.sql.parser.sql.segment.dml.column.ColumnSegment
cannot be cast to
org.apache.shardingsphere.sql.parser.sql.segment.dml.expr.ExpressionSegment
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitAssignment(MySQLDMLVisitor.java:242)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitAssignment(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$AssignmentContext.accept(MySQLStatementParser.java:1753)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSetAssignmentsClause(MySQLDMLVisitor.java:225)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitSetAssignmentsClause(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$SetAssignmentsClauseContext.accept(MySQLStatementParser.java:1801)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitUpdate(MySQLDMLVisitor.java:213)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitUpdate(MySQLDMLVisitor.java:127)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$UpdateContext.accept(MySQLStatementParser.java:1622)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.SQLParserEngine.parse0(SQLParserEngine.java:80)
at
org.apache.shardingsphere.sql.parser.SQLParserEngine.parse(SQLParserEngine.java:61)
at
org.apache.shardingsphere.shardingproxy.backend.text.TextProtocolBackendHandlerFactory.newInstance(TextProtocolBackendHandlerFactory.java:69)
at
org.apache.shardingsphere.shardingproxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.<init>(MySQLComQueryPacketExecutor.java:65)
at
org.apache.shardingsphere.shardingproxy.frontend.mysql.command.MySQLCommandExecutorFactory.newInstance(MySQLCommandExecutorFactory.java:70)
at
org.apache.shardingsphere.shardingproxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandExecutor(MySQLCommandExecuteEngine.java:59)
at
org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:92)
at
org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:71)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
```
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