veghlaci05 commented on code in PR #3513:
URL: https://github.com/apache/hive/pull/3513#discussion_r951236348
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/CompactionTxnHandler.java:
##########
@@ -229,17 +231,33 @@ public CompactionInfo
findNextToCompact(FindNextCompactRequest rqst) throws Meta
}
Connection dbConn = null;
- Statement stmt = null;
+ PreparedStatement stmt = null;
//need a separate stmt for executeUpdate() otherwise it will close the
ResultSet(HIVE-12725)
Statement updStmt = null;
ResultSet rs = null;
+
+ long poolTimeout = MetastoreConf.getTimeVar(conf,
ConfVars.COMPACTOR_WORKER_POOL_TIMEOUT, TimeUnit.MILLISECONDS);
+
try {
dbConn = getDbConn(Connection.TRANSACTION_READ_COMMITTED,
connPoolCompaction);
- stmt = dbConn.createStatement();
- String query = "SELECT \"CQ_ID\", \"CQ_DATABASE\", \"CQ_TABLE\",
\"CQ_PARTITION\", " +
- "\"CQ_TYPE\", \"CQ_TBLPROPERTIES\" FROM \"COMPACTION_QUEUE\" WHERE
\"CQ_STATE\" = '" + INITIATED_STATE + "'";
+ StringBuilder sb = new StringBuilder();
+ sb.append("SELECT \"CQ_ID\", \"CQ_DATABASE\", \"CQ_TABLE\",
\"CQ_PARTITION\", " +
+ "\"CQ_TYPE\", \"CQ_POOL_NAME\", \"CQ_TBLPROPERTIES\" FROM
\"COMPACTION_QUEUE\" WHERE \"CQ_STATE\" = '" + INITIATED_STATE + "' AND ");
+ boolean hasPoolName =
org.apache.commons.lang3.StringUtils.isNotBlank(rqst.getPoolName());
Review Comment:
Unfortunately not.
`org.apache.hadoop.util.StringUtils` is already imported, and used 23 times.
It has the `stringifyException(e)` method, which
org.apache.commons.lang3.StringUtils does not contain. On the other side, it
doesn't have any methods for string emptiness check. Since both classes are
required, I decided to fully qualify the lang3 one, since it is used fewer
times.
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