* 对sqlserver优化

bes2008 · Sep 6, 2021 · 06c9eda · 06c9eda
1 parent c1effbd
commit 06c9eda
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/...r-dialect/src/main/java/com/jn/sqlhelper/dialect/internal/limit/AbstractLimitHandler.java b/...r-dialect/src/main/java/com/jn/sqlhelper/dialect/internal/limit/AbstractLimitHandler.java
@@ -55,7 +55,7 @@ private int bindLimitParameters(RowSelection selection, PreparedStatement statem
         }
         long firstRow = convertToFirstRowValue(LimitHelper.getFirstRow(selection));
         int lastRow = getMaxOrLimit(selection);
-        boolean hasFirstRow = (getDialect().isSupportsLimitOffset()) && ((firstRow > 0) || (getDialect().isForceLimitUsage()));
+        boolean hasFirstRow = getDialect().isSupportsLimitOffset() && ((firstRow > 0) || (getDialect().isForceLimitUsage()));
         boolean reverse = getDialect().isBindLimitParametersInReverseOrder();
         if (hasFirstRow) {
             statement.setInt(index + (reverse ? 1 : 0), Long.valueOf(firstRow).intValue());

diff --git a/...c/main/java/com/jn/sqlhelper/dialect/internal/limit/OffsetFetchFirstOnlyLimitHandler.java b/...c/main/java/com/jn/sqlhelper/dialect/internal/limit/OffsetFetchFirstOnlyLimitHandler.java
@@ -28,6 +28,9 @@
  * offset ? rows fetch next ? rows only
  * <p>
  * every dialect use the limitHandler should set bindLimitParameterInReverseOrder = false
+ *
+ *
+ * 需要注意的是，offset fetch 通常是在 order by 之后
  */
 public class OffsetFetchFirstOnlyLimitHandler extends AbstractLimitHandler {