From 692a95692d9066efbc13c42ae17a3ca17d5f9451 Mon Sep 17 00:00:00 2001
From: justdba <49357318+justdba@users.noreply.github.com>
Date: Tue, 8 Feb 2022 23:13:37 +0800
Subject: [PATCH] Update SingleTableSplitUtil.java

sql plan cause baddly,  remove where (AND IS NOT NULL) suffix in select  min(pk),max(pk)...
---
 .../plugin/rdbms/reader/util/SingleTableSplitUtil.java      | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/plugin-rdbms-util/src/main/java/com/alibaba/datax/plugin/rdbms/reader/util/SingleTableSplitUtil.java b/plugin-rdbms-util/src/main/java/com/alibaba/datax/plugin/rdbms/reader/util/SingleTableSplitUtil.java
index d9846b39..450f545e 100755
--- a/plugin-rdbms-util/src/main/java/com/alibaba/datax/plugin/rdbms/reader/util/SingleTableSplitUtil.java
+++ b/plugin-rdbms-util/src/main/java/com/alibaba/datax/plugin/rdbms/reader/util/SingleTableSplitUtil.java
@@ -282,8 +282,8 @@ public class SingleTableSplitUtil {
         String pkRangeSQL = String.format(minMaxTemplate, splitPK, splitPK,
                 table);
         if (StringUtils.isNotBlank(where)) {
-            pkRangeSQL = String.format("%s WHERE (%s AND %s IS NOT NULL)",
-                    pkRangeSQL, where, splitPK);
+            pkRangeSQL = String.format("%s WHERE (%s)",
+                    pkRangeSQL, where);
         }
         return pkRangeSQL;
     }
@@ -387,4 +387,4 @@ public class SingleTableSplitUtil {
         }
         return rangeSql;
     }
-}
\ No newline at end of file
+}