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-rw-r--r--src/main/java/com/iciql/SQLDialectDerby.java71
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diff --git a/src/main/java/com/iciql/SQLDialectDerby.java b/src/main/java/com/iciql/SQLDialectDerby.java
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+/*
+ * 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.util.StatementBuilder;
+
+/**
+ * Derby database dialect.
+ */
+public class SQLDialectDerby extends SQLDialectDefault {
+
+ @Override
+ public Class<? extends java.util.Date> getDateTimeClass() {
+ return java.sql.Timestamp.class;
+ }
+
+ @Override
+ public String convertSqlType(String sqlType) {
+ if ("TINYINT".equals(sqlType)) {
+ // Derby does not have a TINYINT/BYTE type
+ return "SMALLINT";
+ }
+ return sqlType;
+ }
+
+ @Override
+ public void appendLimitOffset(SQLStatement stat, long limit, long offset) {
+ // FETCH/OFFSET added in 10.5
+ if (databaseVersion >= 10.5f) {
+ if (offset > 0) {
+ stat.appendSQL(" OFFSET " + offset + (offset == 1 ? " ROW" : " ROWS"));
+ }
+ if (limit > 0) {
+ stat.appendSQL(" FETCH NEXT " + limit + (limit == 1 ? " ROW" : " ROWS") + " ONLY");
+ }
+ }
+ }
+
+ @Override
+ protected boolean prepareColumnDefinition(StatementBuilder buff, String dataType,
+ boolean isAutoIncrement, boolean isPrimaryKey) {
+ String convertedType = convertSqlType(dataType);
+ buff.append(convertedType);
+ if (isIntegerType(dataType) && isAutoIncrement) {
+ buff.append(" GENERATED BY DEFAULT AS IDENTITY");
+ }
+ return false;
+ }
+
+ @Override
+ public <T> void prepareDropTable(SQLStatement stat, TableDefinition<T> def) {
+ StatementBuilder buff = new StatementBuilder("DROP TABLE "
+ + prepareTableName(def.schemaName, def.tableName));
+ stat.setSQL(buff.toString());
+ return;
+ }
+} \ No newline at end of file