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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-3157) Lexical error (EOF) when comment consists of a single character
Date Mon, 29 Oct 2007 11:30:53 GMT
Lexical error (EOF) when comment consists of a single character
---------------------------------------------------------------

                 Key: DERBY-3157
                 URL: https://issues.apache.org/jira/browse/DERBY-3157
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.3.1.4, 10.4.0.0
            Reporter: Knut Anders Hatlen
            Priority: Minor


The following statement fails with an SQLException. Adding whitespace or other characters
at the end of the comment makes it pass. Adding more whitespace at the beginning of the comment
doesn't help.

PreparedStatement ps = c.prepareStatement("VALUES 1 -- x");

Exception in thread "main" java.sql.SQLSyntaxErrorException: Lexical error at line 1, column
14.  Encountered: <EOF> after : "".
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
	at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
	at comment.main(comment.java:5)
Caused by: java.sql.SQLException: Lexical error at line 1, column 14.  Encountered: <EOF>
after : "".
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
Source)
	... 14 more
Caused by: ERROR 42X02: Lexical error at line 1, column 14.  Encountered: <EOF> after
: "".
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.sql.compile.ParserImpl.parseStatement(Unknown Source)
	at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
	at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)
	... 8 more

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