Merge branch 'master' of https://github.com/h2database/h2database

h2/src/docsrc/html/changelog.html

@@ -21,6 +21,8 @@ Change Log
 
 <h2>Next Version (unreleased)</h2>
 <ul>
+<li>Issue #569: ClassCastException when filtering on ENUM value in WHERE clause
+</li>
 <li>Issue #539: Allow override of builtin functions/aliases
 </li>
 <li>Issue #535: Allow explicit paths on Windows without drive letter

h2/src/docsrc/html/faq.html

@@ -69,8 +69,7 @@ Here is the list of known and confirmed issues:
     will differ. This is not a problem within regions that use the same rules (such as, within
     USA, or within Europe), even if the timezone itself is different. As a workaround, export the
     database to a SQL script using the old timezone, and create a new database in the new
-    timezone. This problem does not occur when using the system property "h2.storeLocalTime"
-    (however such database files are not compatible with older versions of H2).
+    timezone.
 </li><li>Apache Harmony: there seems to be a bug in Harmony that affects H2.
     See <a href="http://issues.apache.org/jira/browse/HARMONY-6505">HARMONY-6505</a>.
 </li><li>Tomcat and Glassfish 3 set most static fields (final or non-final) to <code>null</code> when

h2/src/docsrc/html/tutorial.html

@@ -1320,13 +1320,6 @@ SELECT * FROM FTL_SEARCH_DATA('John', 0, 0);
 SELECT * FROM FTL_SEARCH_DATA('LAST_NAME:John', 0, 0);
 CALL FTL_DROP_ALL();
 </pre>
-<p>
-The Lucene fulltext search implementation is not synchronized internally.
-If you update the database and query the fulltext search concurrently
-(directly using the Java API of H2 or Lucene itself), you need to ensure
-operations are properly synchronized. If this is not the case, you may get
-exceptions such as <code>org.apache.lucene.store.AlreadyClosedException: this IndexReader is closed</code>.
-</p>
 
 <h2 id="user_defined_variables">User-Defined Variables</h2>
 <p>

h2/src/main/org/h2/api/ErrorCode.java

@@ -165,34 +165,13 @@ public class ErrorCode {
      * but the value is not one of the values enumerated by the
      * type.
      *
-     * This error is best thrown in a context when the column name
-     * and it's enumerated values are known.
-     *
      * Example:
      * <pre>
      * CREATE TABLE TEST(CASE ENUM('sensitive','insensitive'));
      * INSERT INTO TEST VALUES('snake');
      * </pre>
      */
-    public static final int ENUM_VALUE_NOT_PERMITTED_1 = 22030;
-
-    /**
-     * The error with code <code>22031</code> is typically thrown
-     * when a math operation is attempted on an ENUM-typed cell,
-     * but the value resulting from the operation is not one of
-     * values enumerated by the type.
-     *
-     * This error is best thrown in a context when the column name
-     * is not known, but the enumerated values of the type are known.
-     *
-     * Example:
-     * <pre>
-     * CREATE TABLE TEST(CASE ENUM('sensitive','insensitive'));
-     * INSERT INTO TEST VALUES('sensitive');
-     * UPDATE TEST SET CASE = CASE + 100;
-     * </pre>
-     */
-    public static final int ENUM_VALUE_NOT_PERMITTED_2 = 22031;
+    public static final int ENUM_VALUE_NOT_PERMITTED = 22030;
 
     /**
      * The error with code <code>22032</code> is thrown when an

h2/src/main/org/h2/command/ddl/DropSynonym.java

@@ -7,13 +7,10 @@ package org.h2.command.ddl;
 
 import org.h2.api.ErrorCode;
 import org.h2.command.CommandInterface;
-import org.h2.engine.Right;
 import org.h2.engine.Session;
 import org.h2.message.DbException;
 import org.h2.schema.Schema;
-import org.h2.table.Table;
 import org.h2.table.TableSynonym;
-import org.h2.table.TableType;
 
 /**
  * This class represents the statement

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

@@ -203,7 +203,8 @@ public class Comparison extends Condition {
                     // once.
                     if (constType != resType) {
                         right = ValueExpression.get(r.convertTo(resType,
-                                MathUtils.convertLongToInt(left.getPrecision()), session.getDatabase().getMode()));
+                                MathUtils.convertLongToInt(left.getPrecision()),
+                                session.getDatabase().getMode(), ((ExpressionColumn) left).getColumn()));
                     }
                 } else if (right instanceof Parameter) {
                     ((Parameter) right).setColumn(

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

@@ -189,7 +189,7 @@ public class ExpressionColumn extends Expression {
             throw DbException.get(ErrorCode.MUST_GROUP_BY_COLUMN_1, getSQL());
         }
         if (column.getEnumerators() != null) {
-            return ValueEnum.get(column.getEnumerators(), value);
+            return ValueEnum.get(column.getEnumerators(), value.getInt());
         }
         return value;
     }

h2/src/main/org/h2/fulltext/FullTextSettings.java

@@ -10,20 +10,22 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
-import java.util.HashMap;
-import java.util.HashSet;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+
 import org.h2.util.New;
 import org.h2.util.SoftHashMap;
 
 /**
  * The global settings of a full text search.
  */
-class FullTextSettings {
+final class FullTextSettings {
 
     /**
      * The settings of open indexes.
      */
-    private static final HashMap<String, FullTextSettings> SETTINGS = New.hashMap();
+    private static final Map<String, FullTextSettings> SETTINGS = New.hashMap();
 
     /**
      * Whether this instance has been initialized.
@@ -33,17 +35,17 @@ class FullTextSettings {
     /**
      * The set of words not to index (stop words).
      */
-    private final HashSet<String> ignoreList = New.hashSet();
+    private final Set<String> ignoreList = New.hashSet();
 
     /**
      * The set of words / terms.
      */
-    private final HashMap<String, Integer> words = New.hashMap();
+    private final Map<String, Integer> words = New.hashMap();
 
     /**
      * The set of indexes in this database.
      */
-    private final HashMap<Integer, IndexInfo> indexes = New.hashMap();
+    private final Map<Integer, IndexInfo> indexes = Collections.synchronizedMap(New.<Integer, IndexInfo>hashMap());
 
     /**
      * The prepared statement cache.
@@ -60,26 +62,63 @@ class FullTextSettings {
     /**
      * Create a new instance.
      */
-    protected FullTextSettings() {
+    private FullTextSettings() {
         // don't allow construction
     }
 
     /**
-     * Get the ignore list.
-     *
-     * @return the ignore list
+     * Clear set of ignored words
      */
-    protected HashSet<String> getIgnoreList() {
-        return ignoreList;
+    public void clearInored() {
+        synchronized (ignoreList) {
+            ignoreList.clear();
+        }
     }
 
     /**
-     * Get the word list.
-     *
-     * @return the word list
+     * Amend set of ignored words
+     * @param words to add
+     */
+    public void addIgnored(Iterable<String> words) {
+        synchronized (ignoreList) {
+            for (String word : words) {
+                word = normalizeWord(word);
+                ignoreList.add(word);
+            }
+        }
+    }
+
+    /**
+     * Clear set of searchable words
+     */
+    public void clearWordList() {
+        synchronized (words) {
+            words.clear();
+        }
+    }
+
+    /**
+     * Get id for a searchable word
+     * @param word to find id for
+     * @return Integer id or null if word is not found
+     */
+    public Integer getWordId(String word) {
+        synchronized (words) {
+            return words.get(word);
+        }
+    }
+
+    /**
+     * Register searchable word
+     * @param word to register
+     * @param id to register with
      */
-    protected HashMap<String, Integer> getWordList() {
-        return words;
+    public void addWord(String word, Integer id) {
+        synchronized (words) {
+            if(!words.containsKey(word)) {
+                words.put(word, id);
+            }
+        }
     }
 
     /**
@@ -109,10 +148,11 @@ class FullTextSettings {
      * @return the uppercase version of the word or null
      */
     protected String convertWord(String word) {
-        // TODO this is locale specific, document
-        word = word.toUpperCase();
-        if (ignoreList.contains(word)) {
-            return null;
+        word = normalizeWord(word);
+        synchronized (ignoreList) {
+            if (ignoreList.contains(word)) {
+                return null;
+            }
         }
         return word;
     }
@@ -126,10 +166,13 @@ class FullTextSettings {
     protected static FullTextSettings getInstance(Connection conn)
             throws SQLException {
         String path = getIndexPath(conn);
-        FullTextSettings setting = SETTINGS.get(path);
-        if (setting == null) {
-            setting = new FullTextSettings();
-            SETTINGS.put(path, setting);
+        FullTextSettings setting;
+        synchronized (SETTINGS) {
+            setting = SETTINGS.get(path);
+            if (setting == null) {
+                setting = new FullTextSettings();
+                SETTINGS.put(path, setting);
+            }
         }
         return setting;
     }
@@ -140,7 +183,7 @@ class FullTextSettings {
      * @param conn the connection
      * @return the file system path
      */
-    protected static String getIndexPath(Connection conn) throws SQLException {
+    private static String getIndexPath(Connection conn) throws SQLException {
         Statement stat = conn.createStatement();
         ResultSet rs = stat.executeQuery(
                 "CALL IFNULL(DATABASE_PATH(), 'MEM:' || DATABASE())");
@@ -218,7 +261,9 @@ class FullTextSettings {
      * Close all fulltext settings, freeing up memory.
      */
     protected static void closeAll() {
-        SETTINGS.clear();
+        synchronized (SETTINGS) {
+            SETTINGS.clear();
+        }
     }
 
     protected void setWhitespaceChars(String whitespaceChars) {
@@ -229,4 +274,8 @@ class FullTextSettings {
         return whitespaceChars;
     }
 
+    private String normalizeWord(String word) {
+        // TODO this is locale specific, document
+        return word.toUpperCase();
+    }
 }

h2/src/main/org/h2/mvstore/DataUtils.java

@@ -14,10 +14,8 @@ import java.nio.charset.Charset;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.ConcurrentModificationException;
 import java.util.HashMap;
 import java.util.Map;
-
 import org.h2.engine.Constants;
 import org.h2.util.New;
 
@@ -741,17 +739,6 @@ public class DataUtils {
         return new UnsupportedOperationException(formatMessage(0, message));
     }
 
-    /**
-     * Create a new ConcurrentModificationException.
-     *
-     * @param message the message
-     * @return the exception
-     */
-    public static ConcurrentModificationException
-            newConcurrentModificationException(String message) {
-        return new ConcurrentModificationException(formatMessage(0, message));
-    }
-
     /**
      * Create a new IllegalStateException.
      *

h2/src/main/org/h2/mvstore/MVMap.java

@@ -14,7 +14,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentMap;
-
 import org.h2.mvstore.type.DataType;
 import org.h2.mvstore.type.ObjectDataType;
 import org.h2.util.New;
@@ -128,23 +127,6 @@ public class MVMap<K, V> extends AbstractMap<K, V>
         return (V) result;
     }
 
-    /**
-     * Add or replace a key-value pair in a branch.
-     *
-     * @param root the root page
-     * @param key the key (may not be null)
-     * @param value the value (may not be null)
-     * @return the new root page
-     */
-    synchronized Page putBranch(Page root, K key, V value) {
-        DataUtils.checkArgument(value != null, "The value may not be null");
-        long v = writeVersion;
-        Page p = root.copy(v);
-        p = splitRootIfNeeded(p, v);
-        put(p, v, key, value);
-        return p;
-    }
-
     /**
      * Split the root page if necessary.
      *
@@ -484,30 +466,6 @@ public class MVMap<K, V> extends AbstractMap<K, V>
         return get(key) != null;
     }
 
-    /**
-     * Get the value for the given key, or null if not found.
-     *
-     * @param p the parent page
-     * @param key the key
-     * @return the page or null
-     */
-    protected Page binarySearchPage(Page p, Object key) {
-        int x = p.binarySearch(key);
-        if (!p.isLeaf()) {
-            if (x < 0) {
-                x = -x - 1;
-            } else {
-                x++;
-            }
-            p = p.getChildPage(x);
-            return binarySearchPage(p, key);
-        }
-        if (x >= 0) {
-            return p;
-        }
-        return null;
-    }
-
     /**
      * Remove all entries.
      */

h2/src/main/org/h2/mvstore/MVStore.java

@@ -916,17 +916,6 @@ public final class MVStore {
         }
     }
 
-    /**
-     * Whether the chunk at the given position is live.
-     *
-     * @param chunkId the chunk id
-     * @return true if it is live
-     */
-    boolean isChunkLive(int chunkId) {
-        String s = meta.get(Chunk.getMetaKey(chunkId));
-        return s != null;
-    }
-
     /**
      * Get the chunk for the given position.
      *

h2/src/main/org/h2/mvstore/Page.java

@@ -7,8 +7,6 @@ package org.h2.mvstore;
 
 import java.nio.ByteBuffer;
 import java.util.HashSet;
-import java.util.Set;
-
 import org.h2.compress.Compressor;
 import org.h2.mvstore.type.DataType;
 import org.h2.util.New;
@@ -1121,18 +1119,6 @@ public class Page {
             }
         }
 
-        /**
-         * Collect the set of chunks referenced directly by this page.
-         *
-         * @param target the target set
-         */
-        void collectReferencedChunks(Set<Integer> target) {
-            target.add(DataUtils.getPageChunkId(pos));
-            for (long p : children) {
-                target.add(DataUtils.getPageChunkId(p));
-            }
-        }
-
         private void removeChild(int index) {
             if (index == 0 && children.length == 1) {
                 children = EMPTY_ARRAY;

h2/src/main/org/h2/mvstore/db/MVPrimaryIndex.java

@@ -48,11 +48,6 @@ public class MVPrimaryIndex extends BaseIndex {
      */
     static final ValueLong MAX = ValueLong.get(Long.MAX_VALUE);
 
-    /**
-     * The zero long value.
-     */
-    static final ValueLong ZERO = ValueLong.get(0);
-
     private final MVTable mvTable;
     private final String mapName;
     private TransactionMap<Value, Value> dataMap;

h2/src/main/org/h2/mvstore/db/TransactionStore.java

@@ -1239,10 +1239,6 @@ public class TransactionStore {
             }
         }
 
-        Object getUndoLog() {
-            return transaction.store.undoLog;
-        }
-
         /**
          * Get the versioned value for the given key.
          *

h2/src/main/org/h2/result/LocalResult.java

@@ -410,10 +410,12 @@ public class LocalResult implements ResultInterface, ResultTarget {
             if (rows.size() > limit) {
                 rows = New.arrayList(rows.subList(0, limit));
                 rowCount = limit;
+                distinctRows = null;
             }
         } else {
             if (limit < rowCount) {
                 rowCount = limit;
+                distinctRows = null;
             }
         }
     }
@@ -513,6 +515,7 @@ public class LocalResult implements ResultInterface, ResultTarget {
                 rowCount -= offset;
             }
         }
+        distinctRows = null;
     }
 
     @Override

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

@@ -177,13 +177,13 @@ public class Column {
      */
     public Value convert(Value v, Mode mode) {
         try {
-            return v.convertTo(type, MathUtils.convertLongToInt(precision), mode);
+            return v.convertTo(type, MathUtils.convertLongToInt(precision), mode, this);
         } catch (DbException e) {
             if (e.getErrorCode() == ErrorCode.DATA_CONVERSION_ERROR_1) {
                 String target = (table == null ? "" : table.getName() + ": ") +
                         getCreateSQL();
                 throw DbException.get(
-                        ErrorCode.DATA_CONVERSION_ERROR_1,
+                        ErrorCode.DATA_CONVERSION_ERROR_1, e,
                         v.getSQL() + " (" + target + ")");
             }
             throw e;
@@ -389,11 +389,11 @@ public class Column {
                 if (s.length() > 127) {
                     s = s.substring(0, 128) + "...";
                 }
-                throw DbException.get(ErrorCode.ENUM_VALUE_NOT_PERMITTED_1,
+                throw DbException.get(ErrorCode.ENUM_VALUE_NOT_PERMITTED,
                         getCreateSQL(), s);
             }
 
-            value = ValueEnum.get(enumerators, value);
+            value = ValueEnum.get(enumerators, value.getInt());
         }
         updateSequenceIfRequired(session, value);
         return value;

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

@@ -24,6 +24,7 @@ import org.h2.engine.Mode;
 import org.h2.engine.SysProperties;
 import org.h2.message.DbException;
 import org.h2.store.DataHandler;
+import org.h2.table.Column;
 import org.h2.tools.SimpleResultSet;
 import org.h2.util.DateTimeUtils;
 import org.h2.util.JdbcUtils;
@@ -551,12 +552,26 @@ public abstract class Value {
      * Compare a value to the specified type.
      *
      * @param targetType the type of the returned value
-     * @param the precision of the column to convert this value to.
+     * @param precision the precision of the column to convert this value to.
      *        The special constant <code>-1</code> is used to indicate that
      *        the precision plays no role when converting the value
      * @return the converted value
      */
-    public Value convertTo(int targetType, int precision, Mode mode) {
+    public final Value convertTo(int targetType, int precision, Mode mode) {
+        return convertTo(targetType, precision, mode, null);
+    }
+
+    /**
+     * Compare a value to the specified type.
+     *
+     * @param targetType the type of the returned value
+     * @param precision the precision of the column to convert this value to.
+     *        The special constant <code>-1</code> is used to indicate that
+     *        the precision plays no role when converting the value
+     * @param column the column that contains the ENUM datatype enumerators, for dealing with ENUM conversions
+     * @return the converted value
+     */
+    public Value convertTo(int targetType, int precision, Mode mode, Column column) {
         // converting NULL is done in ValueNull
         // converting BLOB to CLOB and vice versa is done in ValueLob
         if (getType() == targetType) {
@@ -582,6 +597,7 @@ public abstract class Value {
                 case BYTES:
                 case JAVA_OBJECT:
                 case UUID:
+                case ENUM:
                     throw DbException.get(
                             ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                 }
@@ -593,6 +609,7 @@ public abstract class Value {
                     return ValueByte.get(getBoolean().booleanValue() ? (byte) 1 : (byte) 0);
                 case SHORT:
                     return ValueByte.get(convertToByte(getShort()));
+                case ENUM:
                 case INT:
                     return ValueByte.get(convertToByte(getInt()));
                 case LONG:
@@ -617,6 +634,7 @@ public abstract class Value {
                     return ValueShort.get(getBoolean().booleanValue() ? (short) 1 : (short) 0);
                 case BYTE:
                     return ValueShort.get(getByte());
+                case ENUM:
                 case INT:
                     return ValueShort.get(convertToShort(getInt()));
                 case LONG:
@@ -669,6 +687,7 @@ public abstract class Value {
                     return ValueLong.get(getByte());
                 case SHORT:
                     return ValueLong.get(getShort());
+                case ENUM:
                 case INT:
                     return ValueLong.get(getInt());
                 case DECIMAL:
@@ -700,6 +719,7 @@ public abstract class Value {
                     return ValueDecimal.get(BigDecimal.valueOf(getByte()));
                 case SHORT:
                     return ValueDecimal.get(BigDecimal.valueOf(getShort()));
+                case ENUM:
                 case INT:
                     return ValueDecimal.get(BigDecimal.valueOf(getInt()));
                 case LONG:
@@ -743,6 +763,7 @@ public abstract class Value {
                     return ValueDouble.get(getBigDecimal().doubleValue());
                 case FLOAT:
                     return ValueDouble.get(getFloat());
+                case ENUM:
                 case TIMESTAMP_TZ:
                     throw DbException.get(
                             ErrorCode.DATA_CONVERSION_ERROR_1, getString());
@@ -765,6 +786,7 @@ public abstract class Value {
                     return ValueFloat.get(getBigDecimal().floatValue());
                 case DOUBLE:
                     return ValueFloat.get((float) getDouble());
+                case ENUM:
                 case TIMESTAMP_TZ:
                     throw DbException.get(
                             ErrorCode.DATA_CONVERSION_ERROR_1, getString());
@@ -784,6 +806,9 @@ public abstract class Value {
                 case TIMESTAMP_TZ:
                     return ValueDate.fromDateValue(
                             ((ValueTimestampTimeZone) this).getDateValue());
+                case ENUM:
+                    throw DbException.get(
+                            ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                 }
                 break;
             }
@@ -799,6 +824,9 @@ public abstract class Value {
                 case TIMESTAMP_TZ:
                     return ValueTime.fromNanos(
                             ((ValueTimestampTimeZone) this).getTimeNanos());
+                case ENUM:
+                    throw DbException.get(
+                            ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                 }
                 break;
             }
@@ -814,6 +842,9 @@ public abstract class Value {
                     return ValueTimestamp.fromDateValueAndNanos(
                             ((ValueTimestampTimeZone) this).getDateValue(),
                             ((ValueTimestampTimeZone) this).getTimeNanos());
+                case ENUM:
+                    throw DbException.get(
+                            ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                 }
                 break;
             }
@@ -856,6 +887,7 @@ public abstract class Value {
                             (byte) x
                     });
                 }
+                case ENUM:
                 case TIMESTAMP_TZ:
                     throw DbException.get(
                             ErrorCode.DATA_CONVERSION_ERROR_1, getString());
@@ -868,6 +900,7 @@ public abstract class Value {
                 case BLOB:
                     return ValueJavaObject.getNoCopy(
                             null, getBytesNoCopy(), getDataHandler());
+                case ENUM:
                 case TIMESTAMP_TZ:
                     throw DbException.get(
                             ErrorCode.DATA_CONVERSION_ERROR_1, getString());
@@ -876,9 +909,19 @@ public abstract class Value {
             }
             case ENUM: {
                 switch (getType()) {
+                    case BYTE:
+                    case SHORT:
                     case INT:
+                    case LONG:
+                    case DECIMAL:
+                        return ValueEnum.get(column.getEnumerators(), getInt());
                     case STRING:
-                        return this;
+                    case STRING_IGNORECASE:
+                    case STRING_FIXED:
+                        return ValueEnum.get(column.getEnumerators(), getString());
+                    default:
+                        throw DbException.get(
+                                ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                 }
             }
             case BLOB: {
@@ -972,7 +1015,6 @@ public abstract class Value {
             case JAVA_OBJECT:
                 return ValueJavaObject.getNoCopy(null,
                         StringUtils.convertHexToBytes(s.trim()), getDataHandler());
-            case ENUM:
             case STRING:
                 return ValueString.get(s);
             case STRING_IGNORECASE:

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

@@ -49,19 +49,15 @@ public class ValueEnum extends ValueEnumBase {
     private static final void check(final String[] enumerators, final Value value) {
         check(enumerators);
 
-        switch (validate(enumerators, value)) {
-            case VALID:
-                return;
-            default:
-                throw DbException.get(ErrorCode.ENUM_VALUE_NOT_PERMITTED_2,
-                        toString(enumerators), value.toString());
+        if (validate(enumerators, value) != Validation.VALID) {
+            throw DbException.get(ErrorCode.ENUM_VALUE_NOT_PERMITTED,
+                    toString(enumerators), value.toString());
         }
     }
 
     @Override
     protected int compareSecure(final Value v, final CompareMode mode) {
-        final ValueEnum ev = ValueEnum.get(enumerators, v);
-        return MathUtils.compareInt(getInt(), ev.getInt());
+        return MathUtils.compareInt(getInt(), v.getInt());
     }
 
     /**
@@ -72,21 +68,22 @@ public class ValueEnum extends ValueEnumBase {
      * @param value a value
      * @return the ENUM value
      */
-    public static ValueEnum get(final String[] enumerators, final Value value) {
-        check(enumerators, value);
+    public static ValueEnum get(final String[] enumerators, int value) {
+        check(enumerators, ValueInt.get(value));
+        return new ValueEnum(enumerators, value);
+    }
 
-        if (DataType.isStringType(value.getType())) {
-            final String cleanLabel = sanitize(value.getString());
+    public static ValueEnum get(final String[] enumerators, String value) {
+        check(enumerators, ValueString.get(value));
 
-            for (int i = 0; i < enumerators.length; i++) {
-                if (cleanLabel.equals(sanitize(enumerators[i])))
-                    return new ValueEnum(enumerators, i);
-            }
+        final String cleanLabel = sanitize(value);
 
-            throw DbException.get(ErrorCode.GENERAL_ERROR_1, "Unexpected error");
-        } else {
-            return new ValueEnum(enumerators, value.getInt());
+        for (int i = 0; i < enumerators.length; i++) {
+            if (cleanLabel.equals(sanitize(enumerators[i])))
+                return new ValueEnum(enumerators, i);
         }
+
+        throw DbException.get(ErrorCode.GENERAL_ERROR_1, "Unexpected error");
     }
 
     public String[] getEnumerators() {

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

@@ -8,17 +8,16 @@ package org.h2.value;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.util.Arrays;
-
-import com.vividsolutions.jts.geom.CoordinateSequence;
-import com.vividsolutions.jts.geom.CoordinateSequenceFilter;
-import com.vividsolutions.jts.geom.PrecisionModel;
-
 import org.h2.engine.Mode;
 import org.h2.message.DbException;
+import org.h2.table.Column;
 import org.h2.util.StringUtils;
+import com.vividsolutions.jts.geom.CoordinateSequence;
+import com.vividsolutions.jts.geom.CoordinateSequenceFilter;
 import com.vividsolutions.jts.geom.Envelope;
 import com.vividsolutions.jts.geom.Geometry;
 import com.vividsolutions.jts.geom.GeometryFactory;
+import com.vividsolutions.jts.geom.PrecisionModel;
 import com.vividsolutions.jts.io.ParseException;
 import com.vividsolutions.jts.io.WKBReader;
 import com.vividsolutions.jts.io.WKBWriter;
@@ -274,11 +273,11 @@ public class ValueGeometry extends Value {
     }
 
     @Override
-    public Value convertTo(int targetType, int precision, Mode mode) {
+    public Value convertTo(int targetType, int precision, Mode mode, Column column) {
         if (targetType == Value.JAVA_OBJECT) {
             return this;
         }
-        return super.convertTo(targetType, precision, mode);
+        return super.convertTo(targetType, precision, mode, column);
     }
 
     /**

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

@@ -23,6 +23,7 @@ import org.h2.store.FileStore;
 import org.h2.store.FileStoreInputStream;
 import org.h2.store.FileStoreOutputStream;
 import org.h2.store.fs.FileUtils;
+import org.h2.table.Column;
 import org.h2.util.IOUtils;
 import org.h2.util.MathUtils;
 import org.h2.util.SmallLRUCache;
@@ -444,7 +445,7 @@ public class ValueLob extends Value {
      * @return the converted value
      */
     @Override
-    public Value convertTo(int t, int precision, Mode mode) {
+    public Value convertTo(int t, int precision, Mode mode, Column column) {
         if (t == type) {
             return this;
         } else if (t == Value.CLOB) {
@@ -454,7 +455,7 @@ public class ValueLob extends Value {
             ValueLob copy = ValueLob.createBlob(getInputStream(), -1, handler);
             return copy;
         }
-        return super.convertTo(t, precision, mode);
+        return super.convertTo(t, precision, mode, column);
     }
 
     @Override

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

@@ -25,6 +25,7 @@ import org.h2.store.FileStoreOutputStream;
 import org.h2.store.LobStorageFrontend;
 import org.h2.store.LobStorageInterface;
 import org.h2.store.fs.FileUtils;
+import org.h2.table.Column;
 import org.h2.util.IOUtils;
 import org.h2.util.MathUtils;
 import org.h2.util.StringUtils;
@@ -185,7 +186,7 @@ public class ValueLobDb extends Value implements Value.ValueClob,
      * @return the converted value
      */
     @Override
-    public Value convertTo(int t, int precision, Mode mode) {
+    public Value convertTo(int t, int precision, Mode mode, Column column) {
         if (t == type) {
             return this;
         } else if (t == Value.CLOB) {
@@ -205,7 +206,7 @@ public class ValueLobDb extends Value implements Value.ValueClob,
                 return ValueLobDb.createSmallLob(t, small);
             }
         }
-        return super.convertTo(t, precision, mode);
+        return super.convertTo(t, precision, mode, column);
     }
 
     @Override

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

@@ -13,9 +13,9 @@ import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.sql.Time;
 import java.sql.Timestamp;
-
 import org.h2.engine.Mode;
 import org.h2.message.DbException;
+import org.h2.table.Column;
 
 /**
  * Implementation of NULL. NULL is not a regular data type.
@@ -133,7 +133,7 @@ public class ValueNull extends Value {
     }
 
     @Override
-    public Value convertTo(int type, int precision, Mode mode) {
+    public Value convertTo(int type, int precision, Mode mode, Column column) {
         return this;
     }
 

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

@@ -470,8 +470,6 @@ java org.h2.test.TestAll timer
 
         // System.setProperty("h2.modifyOnWrite", "true");
 
-        // System.setProperty("h2.storeLocalTime", "true");
-
         // speedup
         // System.setProperty("h2.syncMethod", "");
 

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

@@ -18,7 +18,6 @@ import java.util.Calendar;
 import java.util.GregorianCalendar;
 import java.util.SimpleTimeZone;
 import java.util.TimeZone;
-
 import org.h2.test.TestBase;
 import org.h2.test.unit.TestDate;
 import org.h2.util.DateTimeUtils;
@@ -35,7 +34,6 @@ public class TestDateStorage extends TestBase {
      * @param a ignored
      */
     public static void main(String... a) throws Exception {
-        System.setProperty("h2.storeLocalTime", "true");
         TestBase.createCaller().init().test();
     }
 

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

@@ -22,6 +22,7 @@ import java.util.concurrent.TimeUnit;
 
 import org.h2.fulltext.FullText;
 import org.h2.store.fs.FileUtils;
+import org.h2.test.TestAll;
 import org.h2.test.TestBase;
 import org.h2.util.IOUtils;
 import org.h2.util.Task;
@@ -50,10 +51,6 @@ public class TestFullText extends TestBase {
 
     @Override
     public void test() throws Exception {
-        if (config.multiThreaded) {
-            // It is even mentioned in the docs that this is not supported
-            return;
-        }
         testUuidPrimaryKey(false);
         testAutoAnalyze();
         testNativeFeatures();
@@ -71,7 +68,9 @@ public class TestFullText extends TestBase {
                 testCreateDropLucene();
                 testUuidPrimaryKey(true);
                 testMultiThreaded(true);
-                testMultiThreaded(false);
+                if(config.mvStore || !config.multiThreaded) {
+                    testMultiThreaded(false);
+                }
                 testTransaction(true);
                 test(true, "VARCHAR");
                 test(true, "CLOB");
@@ -256,7 +255,7 @@ public class TestFullText extends TestBase {
             int len = 2;
             Task[] task = new Task[len];
             for (int i = 0; i < len; i++) {
-                final Connection conn = getConnection("fullText", connList);
+                final Connection conn = getConnection("fullText;LOCK_TIMEOUT=60000", connList);
                 Statement stat = conn.createStatement();
                 initFullText(stat, lucene);
                 initFullText(stat, lucene);

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

@@ -30,7 +30,6 @@ public class TestLinkedTable extends TestBase {
      * @param a ignored
      */
     public static void main(String... a) throws Exception {
-        // System.setProperty("h2.storeLocalTime", "true");
         TestBase.createCaller().init().test();
     }
 

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

@@ -454,7 +454,7 @@ public class TestPreparedStatement extends TestBase {
             PreparedStatement prep = conn.prepareStatement(
                     "INSERT INTO test_enum VALUES(?)");
             prep.setObject(1, badSizes[i]);
-            assertThrows(ErrorCode.ENUM_VALUE_NOT_PERMITTED_1, prep).execute();
+            assertThrows(ErrorCode.ENUM_VALUE_NOT_PERMITTED, prep).execute();
         }
 
         String[] goodSizes = new String[]{"small", "medium", "large"};

h2/src/test/org/h2/test/mvcc/TestMvccMultiThreaded2.java

@@ -11,7 +11,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.ArrayList;
-import org.h2.api.ErrorCode;
 import org.h2.jdbc.JdbcSQLException;
 import org.h2.test.TestBase;
 import org.h2.util.IOUtils;

h2/src/test/org/h2/test/testScript.sql

@@ -10308,6 +10308,9 @@ create table test(id int, name varchar);
 insert into test values(5, 'b'), (5, 'b'), (20, 'a');
 > update count: 3
 
+drop table test;
+> ok
+
 select 0 from ((
     select 0 as f from dual u1 where null in (?, ?, ?, ?, ?)
 ) union all (
@@ -10683,4 +10686,78 @@ drop table card;
 > ok
 
 drop type CARD_SUIT;
-> ok
+> ok
\ No newline at end of file
+
+--- ENUM in primary key with another column
+create type CARD_SUIT as enum('hearts', 'clubs', 'spades', 'diamonds');
+> ok
+
+create table card (rank int, suit CARD_SUIT, primary key(rank, suit));
+> ok
+
+insert into card (rank, suit) values (0, 'clubs'), (3, 'hearts'), (1, 'clubs');
+> update count: 3
+
+insert into card (rank, suit) values (0, 'clubs');
+> exception
+
+select rank from card where suit = 'clubs';
+> RANK
+> ----
+> 0
+> 1
+
+drop table card;
+> ok
+
+drop type CARD_SUIT;
+> ok
+
+--- ENUM with index
+create type CARD_SUIT as enum('hearts', 'clubs', 'spades', 'diamonds');
+> ok
+
+create table card (rank int, suit CARD_SUIT, primary key(rank, suit));
+> ok
+
+insert into card (rank, suit) values (0, 'clubs'), (3, 'hearts'), (1, 'clubs');
+> update count: 3
+
+create index idx_card_suite on card(`suit`);
+
+select rank from card where suit = 'clubs';
+> RANK
+> ----
+> 0
+> 1
+
+select rank from card where suit in ('clubs');
+> RANK
+> ----
+> 0
+> 1
+
+drop table card;
+> ok
+
+drop type CARD_SUIT;
+> ok
+
+----- Issue#493 -----
+create table test (year int, action varchar(10));
+> ok
+
+insert into test values (2015, 'order'), (2016, 'order'), (2014, 'order');
+> update count: 3
+
+insert into test values (2014, 'execution'), (2015, 'execution'), (2016, 'execution');
+> update count: 3
+
+select * from test where year in (select distinct year from test order by year desc limit 1 offset 0);
+> YEAR ACTION
+> ---- ---------
+> 2016 order
+> 2016 execution
+
+drop table test;
+> ok

h2/src/test/org/h2/test/unit/TestDate.java

@@ -13,7 +13,6 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.GregorianCalendar;
 import java.util.TimeZone;
-
 import org.h2.api.ErrorCode;
 import org.h2.test.TestBase;
 import org.h2.test.utils.AssertThrows;
@@ -40,7 +39,6 @@ public class TestDate extends TestBase {
      * @param a ignored
      */
     public static void main(String... a) throws Exception {
-        // System.setProperty("h2.storeLocalTime", "true");
         TestBase.createCaller().init().test();
     }
 

h2/src/test/org/h2/test/unit/TestDateTimeUtils.java

@@ -19,7 +19,6 @@ public class TestDateTimeUtils extends TestBase {
      * @param a ignored
      */
     public static void main(String... a) throws Exception {
-        // System.setProperty("h2.storeLocalTime", "true");
         TestBase.createCaller().init().test();
     }
 

h2/src/test/org/h2/test/unit/TestLocale.java

@@ -10,7 +10,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.Locale;
-
 import org.h2.test.TestBase;
 
 /**
@@ -24,7 +23,6 @@ public class TestLocale extends TestBase {
      * @param a ignored
      */
     public static void main(String... a) throws Exception {
-        // System.setProperty("h2.storeLocalTime", "true");
         TestBase.createCaller().init().test();
     }
 

h2/src/test/org/h2/test/utils/FilePathReorderWrites.java

@@ -274,7 +274,6 @@ class FileReorderWrites extends FileBase {
     @Override
     public int write(ByteBuffer src, long position) throws IOException {
         if (FilePathReorderWrites.isPartialWrites() && src.remaining() > 2) {
-            final int tmp = src.remaining();
             ByteBuffer buf1 = src.slice();
             ByteBuffer buf2 = src.slice();
             int len1 = src.remaining() / 2;