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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