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

@@ -898,6 +898,7 @@ public class Database implements DataHandler {
                     sequence.close();
                 }
                 meta.close(systemSession);
+                systemSession.commit(true);                
                 indexSummaryValid = true;
             }
         } catch (SQLException e) {

h2/src/main/org/h2/log/LogFile.java

@@ -212,7 +212,7 @@ public class LogFile {
         int blocks = in.readInt();
         if (blocks < 0) {
             return true;
-        } else if (blocks == 0) {
+        } else if (blocks == 0 && !database.getReadOnly()) {
             truncate(pos);
             return false;
         }

h2/src/main/org/h2/log/LogSystem.java

@@ -82,6 +82,10 @@ public class LogSystem {
             return;
         }
         file.flush();
+        if (database.getLogIndexChanges()) {
+            file = database.getIndexFile();
+            file.flush();
+        }
         if (containsInDoubtTransactions()) {
             // if there are any in-doubt transactions 
             // (even if they are resolved), can't update or delete the log files

h2/src/main/org/h2/store/fs/FileSystemDatabase.java

@@ -170,7 +170,7 @@ public class FileSystemDatabase extends FileSystem {
         if (log) {
             e.printStackTrace();
         }
-        return new RuntimeException(e.toString());
+        return new RuntimeException(e.toString(), e);
     }
 
     public boolean canWrite(String fileName) {

h2/src/main/org/h2/store/fs/FileSystemMemory.java

@@ -13,6 +13,7 @@ import java.util.HashMap;
 
 import org.h2.message.Message;
 import org.h2.util.IOUtils;
+import org.h2.util.RandomUtils;
 
 /**
  * This file system keeps files fully in memory.
@@ -74,7 +75,12 @@ public class FileSystemMemory extends FileSystem {
     public String createTempFile(String name, String suffix, boolean deleteOnExit, boolean inTempDir) throws IOException {
         name += ".";
         for (int i = 0;; i++) {
-            String n = name + i + suffix;
+
+            int test;
+            String n = name + RandomUtils.getSecureLong() + suffix;
+//            String n = name + i + suffix;
+            
+            
             if (!exists(n)) {
                 // creates the file (not thread safe)
                 getMemoryFile(n);

h2/src/main/org/h2/table/TableLink.java

@@ -72,6 +72,8 @@ public class TableLink extends Table {
         conn = JdbcUtils.getConnection(driver, url, user, password);
         DatabaseMetaData meta = conn.getMetaData();
         boolean storesLowerCase = meta.storesLowerCaseIdentifiers();
+        boolean storesMixedCase = meta.storesMixedCaseIdentifiers();
+        boolean supportsMixedCaseIdentifiers = meta.supportsMixedCaseIdentifiers();        
         ResultSet rs = meta.getColumns(null, null, originalTable, null);
         int i = 0;
         ObjectArray columnList = new ObjectArray();
@@ -96,6 +98,9 @@ public class TableLink extends Table {
             String n = rs.getString("COLUMN_NAME");
             if (storesLowerCase && n.equals(StringUtils.toLowerEnglish(n))) {
                 n = StringUtils.toUpperEnglish(n);
+            } else if (storesMixedCase && !supportsMixedCaseIdentifiers) {
+                // TeraData
+                n = StringUtils.toUpperEnglish(n);            
             }
             int sqlType = rs.getInt("DATA_TYPE");
             long precision = rs.getInt("COLUMN_SIZE");

h2/src/main/org/h2/tools/Recover.java

@@ -537,11 +537,15 @@ public class Recover implements DataHandler {
                             break;
                         case 'I':
                             writer.println("//   insert session:"+sessionId+" storage:" + storageId + " pos:" + recId + " blockCount:"+blockCount);
+                            if (storageId >= 0) {
                                 writeLogRecord(writer, s);
+                            }
                             break;
                         case 'D':
                             writer.println("//   delete session:"+sessionId+" storage:" + storageId + " pos:" + recId + " blockCount:"+blockCount);
+                            if (storageId >= 0) {
                                 writeLogRecord(writer, s);
+                            }
                             break;
                         default:
                             writer.println("//   type?:"+type+" session:"+sessionId+" storage:" + storageId + " pos:" + recId + " blockCount:"+blockCount);

h2/src/main/org/h2/util/JdbcDriverUtils.java

@@ -36,6 +36,7 @@ public class JdbcDriverUtils {
         "jdbc:postgresql:", "org.postgresql.Driver",
         "jdbc:sybase:", "com.sybase.jdbc3.jdbc.SybDriver",
         "jdbc:sqlserver:", "com.microsoft.sqlserver.jdbc.SQLServerDriver",
+        "jdbc:teradata:", "com.ncr.teradata.TeraDriver",
     };
     
     public static String getDriver(String url) {

h2/src/test/org/h2/test/TestAll.java

@@ -163,6 +163,8 @@ java org.h2.test.TestAll timer
 should write (log) to system table before adding to internal data structures
 //new TestCrashAPI().init(test).testCase(2046453618); 
 
+temp file delete should be per-database and should stop deleting once the database is closed
+
 --------------
 
 scheduler: what if invoke takes more than...
@@ -449,7 +451,6 @@ Use a default delay of 1 second before closing a database.
         beforeTest();
 
         // db
-
         new TestScriptSimple().runTest(this);
         new TestScript().runTest(this);
         new TestAutoRecompile().runTest(this);