不支持mysql truncate函数

[120003808]

String sql = "SELECT truncate(id,0) from user";
SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, "mysql");
List stmtList = parser.parseStatementList();
版本：1.0.18
com.alibaba.druid.sql.parser.ParserException: ERROR. token : TRUNCATE, pos : 15
at com.alibaba.druid.sql.parser.SQLExprParser.primary(SQLExprParser.java:578)
at com.alibaba.druid.sql.dialect.mysql.parser.MySqlExprParser.primary(MySqlExprParser.java:168)
at com.alibaba.druid.sql.parser.SQLExprParser.expr(SQLExprParser.java:124)
at com.alibaba.druid.sql.parser.SQLExprParser.parseSelectItem(SQLExprParser.java:1885)
at com.alibaba.druid.sql.parser.SQLSelectParser.parseSelectList(SQLSelectParser.java:359)
at com.alibaba.druid.sql.dialect.mysql.parser.MySqlSelectParser.query(MySqlSelectParser.java:131)
at com.alibaba.druid.sql.parser.SQLSelectParser.select(SQLSelectParser.java:62)
at com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser.parseSelect(MySqlStatementParser.java:229)
at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:180)
at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:145)
at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:140)
at com.tcl.kuyu.kdt.test.SqlParserTest.test0(SqlParserTest.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

[SuitedRioter]

是好像不支持，估计阿里不认为是一个BUG，因为这个我们认为的BUG，遗留了很多版本了。
这个函数可以从程序上去实现，而不需要用SQL。

[120003808]

函数可以用round替换，这应该是个BUG吧

[ZzzCrazyPig]

@ljhabc1982 最新的版本是支持truncate函数的解析的