deniskuzZ commented on a change in pull request #1087:
URL: https://github.com/apache/hive/pull/1087#discussion_r447476089
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnDbUtil.java
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@@ -313,6 +313,41 @@ private static void resetTxnSequence(Connection conn,
Statement stmt) throws SQL
}
}
+ /**
+ * Restarts the txnId sequence with the given seed value.
+ * It is the responsibility of the caller to not set the sequence backward.
+ * @param conn database connection
+ * @param stmt sql statement
+ * @param seedTxnId the seed value for the sequence
+ * @throws SQLException ex
+ */
+ public static void seedTxnSequence(Connection conn, Statement stmt, long
seedTxnId) throws SQLException {
+ String dbProduct = conn.getMetaData().getDatabaseProductName();
+ DatabaseProduct databaseProduct = determineDatabaseProduct(dbProduct);
+ switch (databaseProduct) {
+
+ case DERBY:
Review comment:
minor: i would probably create EnumMap for SEED_FN, and use proper one
based on db type.
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