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h2/src/docsrc/html/changelog.html

@@ -16,7 +16,8 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>Timestamp columns such as TIMESTAMP(6) were not compatible to other database. 
+<ul><li>When using remote in-memory databases, large LOB objects did not work.
+</li><li>Timestamp columns such as TIMESTAMP(6) were not compatible to other database. 
 </li><li>Opening a large database was slow if there was a problem opening the previous time.
 </li><li>NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
 </li><li>CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.

h2/src/main/org/h2/command/Prepared.java

@@ -19,6 +19,7 @@ import org.h2.result.LocalResult;
 import org.h2.util.ObjectArray;
 import org.h2.util.StringUtils;
 import org.h2.value.Value;
+import org.h2.value.ValueLob;
 
 /**
  * A prepared statement.
@@ -320,15 +321,29 @@ public abstract class Prepared {
                     Expression e = (Expression) parameters.get(i);
                     Value v = e.getValue(session);
                     try {
-//                        if (v.getPrecision() > SysProperties.MAX_TRACE_DATA_LENGTH) {
-//                            
-//                        }
-                        String s = v.getSQL();
-                        int test;
-//                        if (s.length() > SysProperties.MAX_TRACE_DATA_LENGTH) {
-//                            s = s.substring(0, SysProperties.MAX_TRACE_DATA_LENGTH) + " /* len: " + s.length() + " */";
-//                        }
-                        buff.append(s);
+                        if (v.getPrecision() > SysProperties.MAX_TRACE_DATA_LENGTH) {
+                            if (v.getType() == Value.CLOB) {
+                                ValueLob lob = (ValueLob) v;
+                                buff.append("SPACE(");
+                                buff.append(lob.getPrecision());
+                                buff.append(")");
+                                buff.append("/* ");
+                                buff.append(lob.getObjectId());
+                                buff.append("*/");
+                            } else if (v.getType() == Value.BLOB) {
+                                ValueLob lob = (ValueLob) v;
+                                buff.append("CAST(REPEAT('00', ");
+                                buff.append(lob.getPrecision());
+                                buff.append(") AS BINARY)");
+                                buff.append("/* ");
+                                buff.append(lob.getObjectId());
+                                buff.append("*/");
+                            } else {
+                                buff.append(v.getSQL());
+                            }
+                        } else {
+                            buff.append(v.getSQL());
+                        }
                     } catch (Exception t) {
                         buff.append("? /*");
                         buff.append(StringUtils.quoteJavaString(t.getMessage()));

h2/src/main/org/h2/constant/SysProperties.java

@@ -259,6 +259,12 @@ public class SysProperties {
      */
     public static final int MAX_QUERY_TIMEOUT = getIntSetting(H2_MAX_QUERY_TIMEOUT, 0);
 
+    /**
+     * System property <code>h2.maxTraceDataLength</code> (default: 65535).<br />
+     * The maximum size of a LOB value that is written as data to the trace system.
+     */
+    public static final long MAX_TRACE_DATA_LENGTH = getIntSetting("h2.maxTraceDataLength", 65535);
+
     /**
      * System property <code>h2.minColumnNameMap</code> (default: 3).<br />
      * The minimum number of columns where a hash table is created when result set

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

@@ -454,8 +454,6 @@ public class SessionRemote implements SessionInterface, DataHandler {
     public String createTempFile() throws SQLException {
         try {
             String prefix = getFilePrefix(System.getProperty("java.io.tmpdir"));
-            int test;
-//            return FileUtils.createTempFile(databaseName, Constants.SUFFIX_TEMP_FILE, true, false);
             return FileUtils.createTempFile(prefix, Constants.SUFFIX_TEMP_FILE, true, false);
         } catch (IOException e) {
             throw Message.convertIOException(e, databaseName);

h2/src/main/org/h2/value/ValueLob.java

@@ -654,7 +654,6 @@ public class ValueLob extends Value {
     }
 
     public String toString() {
-        int tst;
         if (small == null) {
             return getClass().getName() + " file: " + fileName + " type: " + type + " precision: " + precision;
         }

h2/src/test/org/h2/test/TestBase.java

@@ -154,7 +154,7 @@ public abstract class TestBase {
             return name;
         }
         if (config.memory) {
-            url = "mem:" + name;
+            name = "mem:" + name;
         } else {
             if (!name.startsWith("memFS:") && !name.startsWith(baseDir + "/")) {
                 name = baseDir + "/" + name;
@@ -162,6 +162,7 @@ public abstract class TestBase {
             if (config.deleteIndex) {
                 deleteIndexFiles(name);
             }
+        }
         if (config.networked) {
             if (config.ssl) {
                 url = "ssl://localhost:9192/" + name;
@@ -171,28 +172,29 @@ public abstract class TestBase {
         } else {
             url = name;
         }
+        if (!config.memory) {
+            if (config.textStorage) {
+                url += ";STORAGE=TEXT";
+            }
+            if (admin) {
+                url += ";LOG=" + config.logMode;
+            }
+            if (config.smallLog && admin) {
+                url += ";MAX_LOG_SIZE=1";
+            }
+        }
         if (config.traceSystemOut) {
             url += ";TRACE_LEVEL_SYSTEM_OUT=2";
         }
         if (config.traceLevelFile > 0 && admin) {
             url += ";TRACE_LEVEL_FILE=" + config.traceLevelFile;
         }
-        }
         if (config.throttle > 0) {
             url += ";THROTTLE=" + config.throttle;
         }
-        if (config.textStorage) {
-            url += ";STORAGE=TEXT";
-        }
         if (url.indexOf("LOCK_TIMEOUT=") < 0) {
             url += ";LOCK_TIMEOUT=50";
         }
-        if (admin) {
-            url += ";LOG=" + config.logMode;
-        }
-        if (config.smallLog && admin) {
-            url += ";MAX_LOG_SIZE=1";
-        }
         if (config.diskUndo && admin) {
             url += ";MAX_MEMORY_UNDO=3";
         }

h2/src/test/org/h2/test/db/TestLob.java

@@ -35,6 +35,7 @@ import org.h2.util.StringUtils;
 public class TestLob extends TestBase {
 
     public void test() throws Exception {
+        testLobServerMemory();
         if (config.memory) {
             return;
         }
@@ -60,6 +61,18 @@ public class TestLob extends TestBase {
         testJavaObject();
     }
     
+    private void testLobServerMemory() throws Exception {
+        deleteDb("lob");
+        Connection conn = getConnection("lob;TRACE_LEVEL_FILE=3");
+        Statement stat = conn.createStatement();
+        stat.execute("CREATE TABLE TEST(ID INT, DATA CLOB)");
+        PreparedStatement prep = conn.prepareStatement("INSERT INTO TEST VALUES(1, ?)");
+        StringReader reader = new StringReader(new String(new char[100000]));
+        prep.setClob(1, reader);
+        prep.execute();
+        conn.close();
+    }
+    
     private void testLobDelete() throws Exception {
         if (config.memory) {
             return;