feat: add sqlServer 2005 LimitOffsetProcessor

mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/LimitOffsetProcessor.java

@@ -17,6 +17,7 @@ package com.mybatisflex.core.dialect;
 
 import com.mybatisflex.core.query.CPI;
 import com.mybatisflex.core.query.QueryOrderBy;
+import com.mybatisflex.core.query.QueryTable;
 import com.mybatisflex.core.query.QueryWrapper;
 import com.mybatisflex.core.util.CollectionUtil;
 
@@ -29,11 +30,23 @@ import static com.mybatisflex.core.constant.SqlConsts.*;
  */
 public interface LimitOffsetProcessor {
 
+    /**
+     * 处理构建 limit 和 offset
+     *
+     * @param dialect      数据方言
+     * @param sql          已经构建的 sql
+     * @param queryWrapper 参数内容
+     * @param limitRows    用户传入的 limit 参数 可能为 null
+     * @param limitOffset  用户传入的 offset 参数，可能为 null
+     */
+    StringBuilder process(IDialect dialect, StringBuilder sql, QueryWrapper queryWrapper, Integer limitRows, Integer limitOffset);
+
+
     /**
      * MySql 的处理器
      * 适合 {@link DbType#MYSQL,DbType#MARIADB,DbType#H2,DbType#CLICK_HOUSE,DbType#XCloud}
      */
-	LimitOffsetProcessor MYSQL = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor MYSQL = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             sql.append(LIMIT).append(limitOffset).append(DELIMITER).append(limitRows);
         } else if (limitRows != null) {
@@ -48,7 +61,7 @@ public interface LimitOffsetProcessor {
      * 适合  {@link DbType#SAP_HANA,DbType#IMPALA,DbType#HIGH_GO,DbType#VERTICA,DbType#REDSHIFT}
      * 适合  {@link DbType#OPENGAUSS,DbType#TDENGINE,DbType#UXDB}
      */
-	LimitOffsetProcessor POSTGRESQL = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor POSTGRESQL = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             sql.append(LIMIT).append(limitRows).append(OFFSET).append(limitOffset);
         } else if (limitRows != null) {
@@ -61,7 +74,7 @@ public interface LimitOffsetProcessor {
      * derby 的处理器
      * 适合  {@link DbType#DERBY,DbType#ORACLE_12C,DbType#SQLSERVER ,DbType#POSTGRE_SQL}
      */
-	LimitOffsetProcessor DERBY = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor DERBY = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             // OFFSET ** ROWS FETCH NEXT ** ROWS ONLY")
             sql.append(OFFSET).append(limitOffset).append(ROWS_FETCH_NEXT).append(limitRows).append(ROWS_ONLY);
@@ -75,7 +88,7 @@ public interface LimitOffsetProcessor {
      * derby 的处理器
      * 适合  {@link DbType#DERBY,DbType#ORACLE_12C,DbType#SQLSERVER ,DbType#POSTGRE_SQL}
      */
-	LimitOffsetProcessor SQLSERVER = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor SQLSERVER = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             // OFFSET ** ROWS FETCH NEXT ** ROWS ONLY")
             sql.append(OFFSET).append(limitOffset).append(ROWS_FETCH_NEXT).append(limitRows).append(ROWS_ONLY);
@@ -94,12 +107,29 @@ public interface LimitOffsetProcessor {
     /**
      * SqlServer 2005 limit 处理器
      */
-	LimitOffsetProcessor SQLSERVER_2005 = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor SQLSERVER_2005 = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null) {
             if (limitOffset == null) {
                 limitOffset = 0;
             }
-			StringBuilder newSql = new StringBuilder("SELECT * FROM (SELECT TEMP_DATAS.*, ROW_NUMBER() OVER() AS RN FROM (");
+            String orderByString;
+            List<QueryOrderBy> orderBys = CPI.getOrderBys(queryWrapper);
+            if (orderBys == null || orderBys.isEmpty()) {
+                orderByString = "ORDER BY CURRENT_TIMESTAMP";
+            } else {
+                StringBuilder orderBySql = new StringBuilder(ORDER_BY);
+                int index = 0;
+                List<QueryTable> queryTables = CPI.getQueryTables(queryWrapper);
+                for (QueryOrderBy orderBy : orderBys) {
+                    orderBySql.append(orderBy.toSql(queryTables, dialect));
+                    if (index != orderBys.size() - 1) {
+                        orderBySql.append(DELIMITER);
+                    }
+                    index++;
+                }
+                orderByString = orderBySql.toString();
+            }
+            StringBuilder newSql = new StringBuilder("SELECT * FROM (SELECT TEMP_DATAS.*, ROW_NUMBER() OVER(").append(orderByString).append(") AS RN FROM (");
             newSql.append(sql).append(") AS TEMP_DATAS) WHERE RN > ").append(limitOffset).append(" AND RN <= ").append(limitRows + limitRows);
             return newSql;
         }
@@ -112,7 +142,7 @@ public interface LimitOffsetProcessor {
      * 适合  {@link DbType#INFORMIX}
      * 文档 {@link <a href="https://www.ibm.com/docs/en/informix-servers/14.10?topic=clause-restricting-return-values-skip-limit-first-options">https://www.ibm.com/docs/en/informix-servers/14.10?topic=clause-restricting-return-values-skip-limit-first-options</a>}
      */
-	LimitOffsetProcessor INFORMIX = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor INFORMIX = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             // SELECT SKIP 2 FIRST 1 * FROM
             sql.insert(6, SKIP + limitOffset + FIRST + limitRows);
@@ -126,7 +156,7 @@ public interface LimitOffsetProcessor {
      * Firebird 的处理器
      * 适合  {@link DbType#FIREBIRD}
      */
-	LimitOffsetProcessor FIREBIRD = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor FIREBIRD = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             // ROWS 2 TO 3
             sql.append(ROWS).append(limitOffset).append(TO).append(limitOffset + limitRows);
@@ -140,7 +170,7 @@ public interface LimitOffsetProcessor {
      * Oracle11g及以下数据库的处理器
      * 适合  {@link DbType#ORACLE,DbType#DM,DbType#GAUSS}
      */
-	LimitOffsetProcessor ORACLE = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor ORACLE = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null) {
             if (limitOffset == null) {
                 limitOffset = 0;
@@ -157,7 +187,7 @@ public interface LimitOffsetProcessor {
      * Sybase 处理器
      * 适合  {@link DbType#SYBASE}
      */
-	LimitOffsetProcessor SYBASE = (sql, queryWrapper, limitRows, limitOffset) -> {
+    LimitOffsetProcessor SYBASE = (dialect, sql, queryWrapper, limitRows, limitOffset) -> {
         if (limitRows != null && limitOffset != null) {
             //SELECT TOP 1 START AT 3 * FROM
             sql.insert(6, TOP + limitRows + START_AT + (limitOffset + 1));
@@ -168,13 +198,4 @@ public interface LimitOffsetProcessor {
     };
 
 
-	/**
-	 * 处理构建 limit 和 offset
-	 *
-	 * @param sql          已经构建的 sql
-	 * @param queryWrapper 参数内容
-	 * @param limitRows    用户传入的 limit 参数 可能为 null
-	 * @param limitOffset  用户传入的 offset 参数，可能为 null
-	 */
-	StringBuilder process(StringBuilder sql, QueryWrapper queryWrapper, Integer limitRows, Integer limitOffset);
 }

mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/CommonsDialectImpl.java

@@ -1051,7 +1051,7 @@ public class CommonsDialectImpl implements IDialect {
      * 构建 limit 和 offset 的参数
      */
     protected StringBuilder buildLimitOffsetSql(StringBuilder sqlBuilder, QueryWrapper queryWrapper, Integer limitRows, Integer limitOffset) {
-        return limitOffsetProcessor.process(sqlBuilder, queryWrapper, limitRows, limitOffset);
+        return limitOffsetProcessor.process(this, sqlBuilder, queryWrapper, limitRows, limitOffset);
     }