[GitHub] [hive] pvary commented on a change in pull request #2484: HIVE-21614: "Support" comparing Derby's table parameter CLOB by replacing `=` with `LIKE`

[GitBox <gi...@apache.org>]

pvary commented on a change in pull request #2484:
URL: https://github.com/apache/hive/pull/2484#discussion_r671113322



##########
File path: standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
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@@ -4693,6 +4694,17 @@ private Table ensureGetTable(String catName, String dbName, String tblName)
     return convertToTable(ensureGetMTable(catName, dbName, tblName));
   }
 
+  /**
+   * Conditionally alters an {@link ExpressionTree} to be compatible with certain database products.
+   */
+  private void reconcileTreeWithDatabaseProduct(ExpressionTree tree) throws MetaException {
+    if (sqlGenerator.getDbProduct().isDERBY()) {

Review comment:
       Is this only problem for Derby?




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