For Windows, database URLs of the form "jdbc:h2:/test" where considered relative…

For Windows, database URLs of the form "jdbc:h2:/test" where considered relative and did not work unless the system property "h2.implicitRelativePath" was used.

h2/src/docsrc/html/changelog.html

@@ -18,9 +18,11 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>Follow JDBC specification on Procedures MetaData, use P0 as
+<ul><li>For Windows, database URLs of the form "jdbc:h2:/test" where considered
+    relative and did not work unless the system property "h2.implicitRelativePath" was used.
+</li><li>Follow JDBC specification on Procedures MetaData, use P0 as
     return type of procedure.
-</li><li>Issue 531: IDENTITY ignored for added column
+</li><li>Issue 531: IDENTITY ignored for added column.
 </li></ul>
 
 <h2>Version 1.4.178 Beta (2014-05-02)</h2>

h2/src/main/org/h2/engine/ConnectionInfo.java

@@ -386,9 +386,14 @@ public class ConnectionInfo implements Cloneable {
                 if (!SysProperties.IMPLICIT_RELATIVE_PATH) {
                     if (!FileUtils.isAbsolute(name)) {
                         if (name.indexOf("./") < 0 &&
-                                name.indexOf(".\\") < 0) {
+                                name.indexOf(".\\") < 0 &&
+                                name.indexOf(":/") < 0 &&
+                                name.indexOf(":\\") < 0) {
                             // the name could start with "./", or
                             // it could start with a prefix such as "nio:./"
+                            // for Windows, the path "\test" is not considered
+                            // absolute as the drive letter is missing,
+                            // but we consider it absolute
                             throw DbException.get(
                                     ErrorCode.URL_RELATIVE_TO_CWD,
                                     originalURL);