[MINOR] Fix typos (#4053)

hudi-utilities/src/main/java/org/apache/hudi/utilities/HiveIncrementalPuller.java

@@ -106,14 +106,14 @@ public static class Config implements Serializable {
 
   private Connection connection;
   protected final Config config;
-  private final ST incrementalPullSQLtemplate;
+  private final ST incrementalPullSQLTemplate;
 
   public HiveIncrementalPuller(Config config) throws IOException {
     this.config = config;
     validateConfig(config);
     String templateContent =
         FileIOUtils.readAsUTFString(this.getClass().getResourceAsStream("/IncrementalPull.sqltemplate"));
-    incrementalPullSQLtemplate = new ST(templateContent);
+    incrementalPullSQLTemplate = new ST(templateContent);
   }
 
   private void validateConfig(Config config) {
@@ -165,19 +165,19 @@ public void saveDelta() throws IOException {
           stmt.close();
         }
       } catch (SQLException e) {
-        LOG.error("Could not close the resultset opened ", e);
+        LOG.error("Could not close the resultSet opened ", e);
       }
     }
   }
 
   private void executeIncrementalSQL(String tempDbTable, String tempDbTablePath, Statement stmt)
       throws FileNotFoundException, SQLException {
-    incrementalPullSQLtemplate.add("tempDbTable", tempDbTable);
-    incrementalPullSQLtemplate.add("tempDbTablePath", tempDbTablePath);
+    incrementalPullSQLTemplate.add("tempDbTable", tempDbTable);
+    incrementalPullSQLTemplate.add("tempDbTablePath", tempDbTablePath);
 
     String storedAsClause = getStoredAsClause();
 
-    incrementalPullSQLtemplate.add("storedAsClause", storedAsClause);
+    incrementalPullSQLTemplate.add("storedAsClause", storedAsClause);
     String incrementalSQL = new Scanner(new File(config.incrementalSQLFile)).useDelimiter("\\Z").next();
     if (!incrementalSQL.contains(config.sourceDb + "." + config.sourceTable)) {
       LOG.error("Incremental SQL does not have " + config.sourceDb + "." + config.sourceTable
@@ -194,8 +194,8 @@ private void executeIncrementalSQL(String tempDbTable, String tempDbTablePath, S
               + "means its not pulling incrementally");
     }
 
-    incrementalPullSQLtemplate.add("incrementalSQL", String.format(incrementalSQL, config.fromCommitTime));
-    String sql = incrementalPullSQLtemplate.render();
+    incrementalPullSQLTemplate.add("incrementalSQL", String.format(incrementalSQL, config.fromCommitTime));
+    String sql = incrementalPullSQLTemplate.render();
     // Check if the SQL is pulling from the right database
     executeStatement(sql, stmt);
   }
@@ -208,13 +208,13 @@ private void initHiveBeelineProperties(Statement stmt) throws SQLException {
     LOG.info("Setting up Hive JDBC Session with properties");
     // set the queue
     executeStatement("set mapred.job.queue.name=" + config.yarnQueueName, stmt);
-    // Set the inputformat to HoodieCombineHiveInputFormat
+    // Set the inputFormat to HoodieCombineHiveInputFormat
     executeStatement("set hive.input.format=org.apache.hudi.hadoop.hive.HoodieCombineHiveInputFormat", stmt);
     // Allow queries without partition predicate
     executeStatement("set hive.strict.checks.large.query=false", stmt);
-    // Dont gather stats for the table created
+    // Don't gather stats for the table created
     executeStatement("set hive.stats.autogather=false", stmt);
-    // Set the hoodie modie
+    // Set the hoodie mode
     executeStatement("set hoodie." + config.sourceTable + ".consume.mode=INCREMENTAL", stmt);
     // Set the from commit time
     executeStatement("set hoodie." + config.sourceTable + ".consume.start.timestamp=" + config.fromCommitTime, stmt);
@@ -263,7 +263,7 @@ private String getTableLocation(String db, String table) {
           resultSet.close();
         }
       } catch (SQLException e) {
-        LOG.error("Could not close the resultset opened ", e);
+        LOG.error("Could not close the resultSet opened ", e);
       }
     }
     return null;