StringIndexOutOfBoundsException in ij when result has no columns
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Key: DERBY-4407
URL: https://issues.apache.org/jira/browse/DERBY-4407
Project: Derby
Issue Type: Bug
Components: Tools
Affects Versions: 10.6.0.0
Reporter: Knut Anders Hatlen
Priority: Minor
A query that returns no columns should perhaps raise an SQLException of some
kind, I don't know, but currently it doesn't, and ij fails with a
StringIndexOutOfBoundsException when it tries to display the result.
After DERBY-4370 it is possible to construct queries that return no columns by
having a select list like T1.* in a join where the USING clause contains all of
T1's columns. To reproduce:
ij> create table t(x int);
0 rows inserted/updated/deleted
ij> insert into t values (1),(2),(3);
3 rows inserted/updated/deleted
ij> select t1.* from t t1 join t t2 using (x);
JAVA ERROR: java.lang.StringIndexOutOfBoundsException: String index out of
range: -1
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at
java.lang.AbstractStringBuilder.setLength(AbstractStringBuilder.java:143)
at java.lang.StringBuffer.setLength(StringBuffer.java:153)
at
org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayBanner(JDBCDisplayUtil.java:627)
at
org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:368)
at
org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:338)
at
org.apache.derby.tools.JDBCDisplayUtil.indent_DisplayResults(JDBCDisplayUtil.java:241)
at
org.apache.derby.tools.JDBCDisplayUtil.DisplayResults(JDBCDisplayUtil.java:229)
at
org.apache.derby.impl.tools.ij.utilMain.displayResult(utilMain.java:448)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:522)
at
org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:363)
at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:261)
at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
at org.apache.derby.tools.ij.main(ij.java:59)
at org.apache.derby.iapi.tools.run.main(run.java:53)
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