Merge pull request #547 from zepfred/master

Fix for Issue #543

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

@@ -2211,6 +2211,7 @@ public class Parser {
                 r = new CompareLike(database, r, b, esc, false);
             } else if (readIf("REGEXP")) {
                 Expression b = readConcat();
+                recompileAlways = true;
                 r = new CompareLike(database, r, b, null, true);
             } else if (readIf("IS")) {
                 if (readIf("NOT")) {

h2/src/test/org/h2/test/jdbc/TestStatement.java

@@ -6,6 +6,7 @@
 package org.h2.test.jdbc;
 
 import java.sql.Connection;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Savepoint;
@@ -45,6 +46,7 @@ public class TestStatement extends TestBase {
         testSavepoint();
         testConnectionRollback();
         testStatement();
+        testPreparedStatement();
         testIdentityMerge();
         testIdentity();
         conn.close();
@@ -396,4 +398,36 @@ public class TestStatement extends TestBase {
         stat.execute("DROP TABLE TEST2");
     }
     
+    private void testPreparedStatement() throws SQLException{
+        Statement stat = conn.createStatement();
+        stat.execute("create table test(id int primary key, name varchar(255))");
+        stat.execute("insert into test values(1, 'Hello')");
+        stat.execute("insert into test values(2, 'World')");
+        PreparedStatement ps = conn.prepareStatement("select name from test where id in (select id from test where name REGEXP ?)");
+        ps.setString(1, "Hello");
+        ResultSet rs = ps.executeQuery();
+        assertTrue(rs.next());
+        assertEquals("Hello", rs.getString("name"));
+        assertFalse(rs.next());  
+        ps.setString(1, "World");
+        rs = ps.executeQuery();
+        assertTrue(rs.next());
+        assertEquals("World", rs.getString("name"));
+        assertFalse(rs.next());  
+        //Changes the table structure
+        stat.execute("create index t_id on test(name)");
+        //Test the prepared statement again to check if the internal cache attributes were reset
+        ps.setString(1, "Hello");
+        rs = ps.executeQuery();
+        assertTrue(rs.next());
+        assertEquals("Hello", rs.getString("name"));
+        assertFalse(rs.next());  
+        ps.setString(1, "World");
+        rs = ps.executeQuery();
+        assertTrue(rs.next());
+        assertEquals("World", rs.getString("name"));
+        assertFalse(rs.next());  
+        stat.execute("drop table test");        
+    }
+
 }