Add support for as400.

src/main/java/com/github/pagehelper/dialect/helper/AS400Dialect.java

@@ -0,0 +1,57 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 [email protected]
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.github.pagehelper.dialect.helper;
+
+import java.util.Map;
+
+import org.apache.ibatis.cache.CacheKey;
+import org.apache.ibatis.mapping.BoundSql;
+import org.apache.ibatis.mapping.MappedStatement;
+
+import com.github.pagehelper.Page;
+import com.github.pagehelper.dialect.AbstractHelperDialect;
+
+/**
+ * @author bluezealot
+ */
+@SuppressWarnings("rawtypes")
+public class AS400Dialect extends AbstractHelperDialect {
+
+ @Override
+ public Object processPageParameter(MappedStatement ms, Map<String, Object> paramMap,
+ Page page, BoundSql boundSql, CacheKey pageKey) {
+ paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());
+ paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());
+ pageKey.update(page.getStartRow());
+ pageKey.update(page.getPageSize());
+ handleParameter(boundSql, ms, long.class, int.class);
+ return paramMap;
+ }
+
+ @Override
+ public String getPageSql(String sql, Page page, CacheKey pageKey) {
+ return sql + " OFFSET ? ROWS FETCH FIRST ? ROWS ONLY";
+ }
+}

src/main/java/com/github/pagehelper/page/PageAutoDialect.java

@@ -73,6 +73,7 @@ public static void registerDialectAlias(String alias, Class<? extends Dialect> d
  registerDialectAlias("oracle", OracleDialect.class);
  registerDialectAlias("oracle9i", Oracle9iDialect.class);
  registerDialectAlias("db2", Db2Dialect.class);
+ registerDialectAlias("as400", AS400Dialect.class);
  registerDialectAlias("informix", InformixDialect.class);
  //解决 informix-sqli #129，仍然保留上面的
  registerDialectAlias("informix-sqli", InformixDialect.class);