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h2/src/tools/com/caucho/jdbc/H2MetaData.java.txt

+package com.caucho.jdbc;
+
+import com.caucho.util.Log;
+
+import javax.sql.DataSource;
+import java.util.logging.Logger;
+
+/**
+ * Metadata for the H2 database.
+ * For details, see 
+ * http://wondering.ru/java/H2ejb3onResinSupport1.0.zip
+ */
+public class H2MetaData extends JdbcMetaData {
+    private static final Logger log = Log.open(H2MetaData.class);
+
+    protected H2MetaData(DataSource ds) {
+        super(ds);
+    }
+
+    /**
+    * Returns the blob type.
+    */
+    public String getBlobType(){
+        return "BLOB";
+    }
+
+    /**
+    * Returns the long type.
+    */
+    public String getLongType() {
+        return "BIGINT";
+    }
+
+    /**
+    * Returns true if identity is supported.
+    */
+    public boolean supportsIdentity() {
+        return true;
+    }
+
+    /**
+    * Returns the identity property
+    */
+    public String createIdentitySQL(String sqlType) {
+        return "IDENTITY";
+    }
+}

h2/src/tools/oracle/toplink/essentials/platform/database/H2Platform.java.txt

+/*
+ * The contents of this file are subject to the terms 
+ * of the Common Development and Distribution License 
+ * (the "License").  You may not use this file except 
+ * in compliance with the License.
+ * 
+ * You can obtain a copy of the license at 
+ * glassfish/bootstrap/legal/CDDLv1.0.txt or 
+ * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
+ * See the License for the specific language governing 
+ * permissions and limitations under the License.
+ * 
+ * When distributing Covered Code, include this CDDL 
+ * HEADER in each file and include the License file at 
+ * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
+ * add the following below this CDDL HEADER, with the 
+ * fields enclosed by brackets "[]" replaced with your 
+ * own identifying information: Portions Copyright [yyyy] 
+ * [name of copyright owner]
+ */
+// Copyright (c) 1998, 2006, Oracle. All rights reserved.  
+package oracle.toplink.essentials.platform.database;
+
+import java.util.*;
+import java.io.*;
+import java.sql.*;
+import oracle.toplink.essentials.exceptions.*;
+import oracle.toplink.essentials.queryframework.*;
+import oracle.toplink.essentials.internal.helper.*;
+import oracle.toplink.essentials.expressions.*;
+import oracle.toplink.essentials.internal.expressions.*;
+import oracle.toplink.essentials.internal.databaseaccess.*;
+import oracle.toplink.essentials.internal.sessions.AbstractSession;
+
+/**
+ * <p><b>Purpose</b>: Provides H2 specific behaviour.
+ */
+public class H2Platform extends DatabasePlatform {
+    public H2Platform() {
+    }
+
+    protected Hashtable buildFieldTypes() {
+        Hashtable fieldTypeMapping;
+
+        fieldTypeMapping = super.buildFieldTypes();
+        fieldTypeMapping.put(Boolean.class, new FieldTypeDefinition("TINYINT", false));
+        fieldTypeMapping.put(Integer.class, new FieldTypeDefinition("INTEGER", false));
+        fieldTypeMapping.put(Long.class, new FieldTypeDefinition("NUMERIC", 19));
+        fieldTypeMapping.put(Float.class, new FieldTypeDefinition("REAL", false));
+        fieldTypeMapping.put(Double.class, new FieldTypeDefinition("REAL", false));
+        fieldTypeMapping.put(Short.class, new FieldTypeDefinition("SMALLINT", false));
+        fieldTypeMapping.put(Byte.class, new FieldTypeDefinition("SMALLINT", false));
+        fieldTypeMapping.put(java.math.BigInteger.class, new FieldTypeDefinition("NUMERIC", 38));
+        fieldTypeMapping.put(java.math.BigDecimal.class, new FieldTypeDefinition("NUMERIC", 38).setLimits(38, -19, 19));
+        fieldTypeMapping.put(Number.class, new FieldTypeDefinition("NUMERIC", 38).setLimits(38, -19, 19));
+        fieldTypeMapping.put(Byte[].class, new FieldTypeDefinition("BINARY", false));
+        fieldTypeMapping.put(Character[].class, new FieldTypeDefinition("LONGVARCHAR", false));
+        fieldTypeMapping.put(byte[].class, new FieldTypeDefinition("BINARY", false));
+        fieldTypeMapping.put(char[].class, new FieldTypeDefinition("LONGVARCHAR", false));
+        fieldTypeMapping.put(java.sql.Blob.class, new FieldTypeDefinition("BINARY", false));
+        fieldTypeMapping.put(java.sql.Clob.class, new FieldTypeDefinition("LONGVARCHAR", false));        
+        fieldTypeMapping.put(java.sql.Date.class, new FieldTypeDefinition("DATE", false));
+        fieldTypeMapping.put(java.sql.Time.class, new FieldTypeDefinition("TIME", false));
+        fieldTypeMapping.put(java.sql.Timestamp.class, new FieldTypeDefinition("TIMESTAMP", false));
+
+        return fieldTypeMapping;
+    }
+    
+    
+    // public boolean isHSQL() {
+    //     return true;
+    // }    
+
+    public boolean isH2() {
+        return true;
+    }
+
+    public boolean supportsForeignKeyConstraints() {
+        return true;
+    }
+    
+    public ValueReadQuery buildSelectQueryForNativeSequence(String seqName, Integer size) {
+        return new ValueReadQuery("CALL NEXT VALUE FOR " + getQualifiedSequenceName(seqName));
+        // return new ValueReadQuery("SELECT " + getQualifiedSequenceName(seqName) + ".NEXTVAL FROM DUAL");
+    }    
+    
+    public boolean supportsNativeSequenceNumbers() {
+        return true;
+    }
+    
+    protected String getQualifiedSequenceName(String seqName) {
+        if (getTableQualifier().equals("")) {
+            return seqName;
+        } else {
+            return getTableQualifier() + "." + seqName;
+        }
+    }
+    
+    public boolean supportsSelectForUpdateNoWait() {
+        return true;
+    }
+    
+    protected ExpressionOperator todayOperator() {
+        return ExpressionOperator.simpleFunctionNoParentheses(ExpressionOperator.Today, "SYSDATE");
+    }        
+    
+    protected void initializePlatformOperators() {
+        super.initializePlatformOperators();
+        addOperator(ExpressionOperator.simpleMath(ExpressionOperator.Concat, "||"));
+    }    
+    
+    public boolean shouldUseJDBCOuterJoinSyntax() {
+        return false;
+    }
+        
+}

h2/src/tools/org/apache/openjpa/jdbc/sql/H2Dictionary.java.txt

+package org.apache.openjpa.jdbc.sql;
+
+import java.math.BigDecimal;
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Locale;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.openjpa.jdbc.kernel.exps.FilterValue;
+import org.apache.openjpa.jdbc.schema.Column;
+import org.apache.openjpa.jdbc.schema.PrimaryKey;
+import org.apache.openjpa.jdbc.schema.Table;
+import org.apache.openjpa.jdbc.schema.Unique;
+import org.apache.openjpa.meta.JavaTypes;
+
+public class H2Dictionary extends DBDictionary {
+
+    public H2Dictionary() {
+        platform = "H2";
+        validationSQL = "CALL 1";
+        closePoolSQL = "SHUTDOWN";
+
+        supportsAutoAssign = true;
+        lastGeneratedKeyQuery = "CALL IDENTITY()";
+        autoAssignClause = "IDENTITY";
+        autoAssignTypeName = "INTEGER";
+        nextSequenceQuery = "CALL NEXT VALUE FOR {0}";
+
+        // CROSS JOIN is currently not supported
+        crossJoinClause = "JOIN";
+        requiresConditionForCrossJoin = true;
+        stringLengthFunction = "LENGTH({0})";
+        trimLeadingFunction = "LTRIM({0})";
+        trimTrailingFunction = "RTRIM({0})";
+        trimBothFunction = "TRIM({0})";
+
+        useSchemaName = true;
+        supportsSelectForUpdate = true;
+        supportsSelectStartIndex = true;
+        supportsSelectEndIndex = true;
+        rangePosition = RANGE_POST_LOCK;
+        supportsDeferredConstraints = false;
+
+        useGetObjectForBlobs = true;
+        blobTypeName = "BLOB";
+        doubleTypeName = "DOUBLE";
+
+        supportsNullTableForGetPrimaryKeys = true;
+        supportsNullTableForGetIndexInfo = true;
+
+        requiresCastForMathFunctions = false;
+        requiresCastForComparisons = false;
+
+        reservedWordSet.addAll(Arrays.asList(new String[] { "CURRENT_TIMESTAMP", "CURRENT_TIME", "CURRENT_DATE", "CROSS", "DISTINCT", "EXCEPT", "EXISTS", "FROM", "FOR", "FALSE",
+                "FULL", "GROUP", "HAVING", "INNER", "INTERSECT", "IS", "JOIN", "LIKE", "MINUS", "NATURAL", "NOT", "NULL", "ON", "ORDER", "PRIMARY", "ROWNUM", "SELECT", "SYSDATE",
+                "SYSTIME", "SYSTIMESTAMP", "TODAY", "TRUE", "UNION", "WHERE" }));
+    }
+
+    public int getJDBCType(int metaTypeCode, boolean lob) {
+        int type = super.getJDBCType(metaTypeCode, lob);
+        switch (type) {
+        case Types.BIGINT:
+            if (metaTypeCode == JavaTypes.BIGINTEGER)
+                return Types.NUMERIC;
+            break;
+        }
+        return type;
+    }
+
+    public int getPreferredType(int type) {
+        return super.getPreferredType(type);
+    }
+
+    public String[] getAddPrimaryKeySQL(PrimaryKey pk) {
+        return new String[0];
+    }
+
+    public String[] getDropPrimaryKeySQL(PrimaryKey pk) {
+        return new String[0];
+    }
+
+    public String[] getAddColumnSQL(Column column) {
+        return new String[] { "ALTER TABLE " + getFullName(column.getTable(), false) + " ADD COLUMN " + getDeclareColumnSQL(column, true) };
+    }
+
+    public String[] getCreateTableSQL(Table table) {
+        StringBuffer buf = new StringBuffer();
+        buf.append("CREATE TABLE ").append(getFullName(table, false)).append(" (");
+
+        Column[] cols = table.getColumns();
+        for (int i = 0; i < cols.length; i++) {
+            if (i > 0)
+                buf.append(", ");
+            buf.append(getDeclareColumnSQL(cols[i], false));
+        }
+
+        PrimaryKey pk = table.getPrimaryKey();
+        String pkStr;
+        if (pk != null) {
+            pkStr = getPrimaryKeyConstraintSQL(pk);
+            if (!StringUtils.isEmpty(pkStr))
+                buf.append(", ").append(pkStr);
+        }
+
+        Unique[] unqs = table.getUniques();
+        String unqStr;
+        for (int i = 0; i < unqs.length; i++) {
+            unqStr = getUniqueConstraintSQL(unqs[i]);
+            if (unqStr != null)
+                buf.append(", ").append(unqStr);
+        }
+
+        buf.append(")");
+        return new String[] { buf.toString() };
+    }
+
+    protected String getPrimaryKeyConstraintSQL(PrimaryKey pk) {
+        Column[] cols = pk.getColumns();
+        if (cols.length == 1 && cols[0].isAutoAssigned())
+            return null;
+        return super.getPrimaryKeyConstraintSQL(pk);
+    }
+
+    public boolean isSystemIndex(String name, Table table) {
+        return name.toUpperCase(Locale.ENGLISH).startsWith("SYSTEM_");
+    }
+
+    protected String getSequencesSQL(String schemaName, String sequenceName) {
+        StringBuffer buf = new StringBuffer();
+        buf.append("SELECT SEQUENCE_SCHEMA, SEQUENCE_NAME FROM ").append("INFORMATION_SCHEMA.SEQUENCES");
+        if (schemaName != null || sequenceName != null)
+            buf.append(" WHERE ");
+        if (schemaName != null) {
+            buf.append("SEQUENCE_SCHEMA = ?");
+            if (sequenceName != null)
+                buf.append(" AND ");
+        }
+        if (sequenceName != null)
+            buf.append("SEQUENCE_NAME = ?");
+        return buf.toString();
+    }
+
+    protected SQLBuffer toOperation(String op, SQLBuffer selects, SQLBuffer from, SQLBuffer where, SQLBuffer group, SQLBuffer having, SQLBuffer order, boolean distinct,
+            boolean forUpdate, long start, long end) {
+        return super.toOperation(op, selects, from, where, group, having, order, distinct, forUpdate, start, end);
+    }
+
+    public Column[] getColumns(DatabaseMetaData meta, String catalog, String schemaName, String tableName, String columnName, Connection conn) throws SQLException {
+        Column[] cols = super.getColumns(meta, catalog, schemaName, tableName, columnName, conn);
+        return cols;
+    }
+
+    public void setDouble(PreparedStatement stmnt, int idx, double val, Column col) throws SQLException {
+        super.setDouble(stmnt, idx, val, col);
+    }
+
+    public void setBigDecimal(PreparedStatement stmnt, int idx, BigDecimal val, Column col) throws SQLException {
+        super.setBigDecimal(stmnt, idx, val, col);
+    }
+
+    protected void appendSelectRange(SQLBuffer buf, long start, long end) {
+        if (end != Long.MAX_VALUE)
+            buf.append(" LIMIT ").appendValue(end - start);
+        if (start != 0)
+            buf.append(" OFFSET ").appendValue(start);
+    }
+
+    public void substring(SQLBuffer buf, FilterValue str, FilterValue start, FilterValue end) {
+        buf.append("SUBSTR(");
+        str.appendTo(buf);
+        buf.append(", (");
+        start.appendTo(buf);
+        buf.append(" + 1)");
+        if (end != null) {
+            buf.append(", (");
+            end.appendTo(buf);
+            buf.append(" - ");
+            start.appendTo(buf);
+            buf.append(")");
+        }
+        buf.append(")");
+    }
+
+    public void indexOf(SQLBuffer buf, FilterValue str, FilterValue find, FilterValue start) {
+        buf.append("(POSITION(");
+        find.appendTo(buf);
+        buf.append(" IN ");
+        if (start != null)
+            substring(buf, str, start, null);
+        else
+            str.appendTo(buf);
+        buf.append(") - 1");
+        if (start != null) {
+            buf.append(" + ");
+            start.appendTo(buf);
+        }
+        buf.append(")");
+    }
+
+}