1 files changed, 55 insertions, 0 deletions
diff --git a/src/com/iciql/DbVersion.java b/src/com/iciql/DbVersion.java
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+/*
+ * Copyright 2004-2011 H2 Group.
+ * Copyright 2011 James Moger.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.iciql;
+
+import com.iciql.Iciql.IQColumn;
+import com.iciql.Iciql.IQTable;
+
+/**
+ * A system table to track database and table versions.
+ */
+@IQTable(name = "_iq_versions", primaryKey = "schemaName tableName", memoryTable = true)
+public class DbVersion {
+
+	@IQColumn(name = "schemaName", allowNull = false)
+	String schema = "";
+
+	@IQColumn(name = "tableName", allowNull = false)
+	String table = "";
+
+	@IQColumn(name = "version")
+	Integer version;
+
+	public DbVersion() {
+		// nothing to do
+	}
+
+	/**
+	 * Constructor for defining a version entry. Both the schema and the table
+	 * are empty strings, which means this is the row for the 'database'.
+	 * 
+	 * @param version
+	 *            the database version
+	 */
+	public DbVersion(int version) {
+		this.schema = "";
+		this.table = "";
+		this.version = version;
+	}
+
+}