Less classes are loaded when using the database in embedded mode.

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

@@ -184,7 +184,7 @@ public class SysProperties {
      * The default escape character for LIKE comparisons. To select no escape
      * character, use an empty string.
      */
-    public static final Character DEFAULT_ESCAPE_CHAR = getEscapeChar(getStringSetting("h2.defaultEscape", "\\"));
+    public static final String DEFAULT_ESCAPE = getStringSetting("h2.defaultEscape", "\\");
 
     /**
      * System property <code>h2.defaultMaxOperationMemory</code> (default:
@@ -743,7 +743,8 @@ public class SysProperties {
     private static String getProperty(String name) {
         try {
             return System.getProperty(name);
-        } catch (SecurityException e) {
+        } catch (Exception e) {
+            // SecurityException
             // applets may not do that - ignore
             return null;
         }
@@ -835,8 +836,4 @@ public class SysProperties {
         return getBooleanSetting(H2_PAGE_STORE, PAGE_STORE);
     }
 
-    private static Character getEscapeChar(String s) {
-        return s == null || s.length() == 0 ? null : s.charAt(0);
-    }
-
 }

h2/src/main/org/h2/expression/CompareLike.java

@@ -29,6 +29,7 @@ import org.h2.value.ValueString;
 public class CompareLike extends Condition {
 
     private static final int MATCH = 0, ONE = 1, ANY = 2;
+    private static final Character DEFAULT_ESCAPE_CHAR = getEscapeChar(SysProperties.DEFAULT_ESCAPE);
 
     private final CompareMode compareMode;
     private Expression left;
@@ -57,6 +58,10 @@ public class CompareLike extends Condition {
         this.escape = escape;
     }
 
+    private static Character getEscapeChar(String s) {
+        return s == null || s.length() == 0 ? null : s.charAt(0);
+    }
+
     public String getSQL() {
         String sql;
         if (regexp) {
@@ -121,12 +126,12 @@ public class CompareLike extends Condition {
 
     private Character getEscapeChar(Value e) throws SQLException {
         if (e == null) {
-            return SysProperties.DEFAULT_ESCAPE_CHAR;
+            return DEFAULT_ESCAPE_CHAR;
         }
         String es = e.getString();
         Character esc;
         if (es == null) {
-            esc = SysProperties.DEFAULT_ESCAPE_CHAR;
+            esc = DEFAULT_ESCAPE_CHAR;
         } else if (es.length() == 0) {
             esc = null;
         } else if (es.length() > 1) {

h2/src/main/org/h2/jdbc/JdbcConnection.java

@@ -1419,9 +1419,14 @@ public class JdbcConnection extends TraceObject implements Connection {
         executingStatement = stat;
     }
 
-    ResultInterface getGeneratedKeys() throws SQLException {
+    /**
+     * INTERNAL
+     */
+    ResultSet getGeneratedKeys(JdbcStatement stat, int id) throws SQLException {
         getGeneratedKeys = prepareCommand("CALL SCOPE_IDENTITY()", getGeneratedKeys);
-        return getGeneratedKeys.executeQuery(0, false);
+        ResultInterface result = getGeneratedKeys.executeQuery(0, false);
+        ResultSet rs = new JdbcResultSet(this, stat, result, id, false, true, false);
+        return rs;
     }
 
     /**

h2/src/main/org/h2/jdbc/JdbcStatement.java

@@ -661,9 +661,7 @@ public class JdbcStatement extends TraceObject implements Statement {
                 debugCodeAssign("ResultSet", TraceObject.RESULT_SET, id, "getGeneratedKeys()");
             }
             checkClosed();
-            ResultInterface result = conn.getGeneratedKeys();
-            ResultSet rs = new JdbcResultSet(conn, this, result, id, false, true, false);
-            return rs;
+            return conn.getGeneratedKeys(this, id);
         } catch (Exception e) {
             throw logAndConvert(e);
         }