[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214899539
 
 

 ##
 File path: 
contrib/storage-kafka/src/main/java/org/apache/drill/exec/store/kafka/KafkaRecordReader.java
 ##
 @@ -116,6 +118,7 @@ public int next() {
 if (++messageCount >= DEFAULT_MESSAGES_PER_BATCH) {
   break;
 }
+currentMessageCount = messageCount;
 
 Review comment:
   If `currentMessageCount` field is introduced, do we still need a local 
variable?


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214904295
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -205,36 +191,32 @@ public int next() {
 writer.reset();
 recordCount = 0;
 parseErrorCount = 0;
-if(write == ReadState.JSON_RECORD_PARSE_EOF_ERROR){
+if (write == ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
   return recordCount;
 }
-outside: while(recordCount < DEFAULT_ROWS_PER_BATCH){
-  try{
+while (recordCount < DEFAULT_ROWS_PER_BATCH) {
+  try {
 writer.setPosition(recordCount);
 write = jsonReader.write(writer);
-if(write == ReadState.WRITE_SUCCEED){
+if (write == ReadState.WRITE_SUCCEED) {
   recordCount++;
-}
-else if(write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR){
-  if(skipMalformedJSONRecords == false){
-handleAndRaise("Error parsing JSON", new 
Exception(hadoopPath.getName() + " : line nos :" + (recordCount+1)));
+} else if (write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
+  if (!skipMalformedJSONRecords) {
+handleAndRaise("Error parsing JSON", new Exception());
   }
   ++parseErrorCount;
-  if(printSkippedMalformedJSONRecordLineNumber){
-logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount+parseErrorCount));
+  if (printSkippedMalformedJSONRecordLineNumber) {
+logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount + parseErrorCount));
 
 Review comment:
   spaces near `+` operator


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214906760
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -162,37 +162,23 @@ public void setup(final OperatorContext context, final 
OutputMutator output) thr
   }
 
   private void setupParser() throws IOException {
-if(hadoopPath != null){
+if (hadoopPath != null) {
   jsonReader.setSource(stream);
-}else{
+} else {
   jsonReader.setSource(embeddedContent);
 }
 jsonReader.setIgnoreJSONParseErrors(skipMalformedJSONRecords);
   }
 
   protected void handleAndRaise(String suffix, Exception e) throws 
UserException {
-
 String message = e.getMessage();
-int columnNr = -1;
 
 if (e instanceof JsonParseException) {
-  final JsonParseException ex = (JsonParseException) e;
-  message = ex.getOriginalMessage();
-  columnNr = ex.getLocation().getColumnNr();
-}
-
-UserException.Builder exceptionBuilder = UserException.dataReadError(e)
-.message("%s - %s", suffix, message);
-if (columnNr > 0) {
-  exceptionBuilder.pushContext("Column ", columnNr);
-}
-
-if (hadoopPath != null) {
-  exceptionBuilder.pushContext("Record ", currentRecordNumberInFile())
-  .pushContext("File ", hadoopPath.toUri().getPath());
+  message = ((JsonParseException) e).getOriginalMessage();
 
 Review comment:
   redundant spaces here and above


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214906574
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -162,37 +162,23 @@ public void setup(final OperatorContext context, final 
OutputMutator output) thr
   }
 
   private void setupParser() throws IOException {
-if(hadoopPath != null){
+if (hadoopPath != null) {
   jsonReader.setSource(stream);
-}else{
+} else {
 
 Review comment:
   spaces


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214904295
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -205,36 +191,32 @@ public int next() {
 writer.reset();
 recordCount = 0;
 parseErrorCount = 0;
-if(write == ReadState.JSON_RECORD_PARSE_EOF_ERROR){
+if (write == ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
   return recordCount;
 }
-outside: while(recordCount < DEFAULT_ROWS_PER_BATCH){
-  try{
+while (recordCount < DEFAULT_ROWS_PER_BATCH) {
+  try {
 writer.setPosition(recordCount);
 write = jsonReader.write(writer);
-if(write == ReadState.WRITE_SUCCEED){
+if (write == ReadState.WRITE_SUCCEED) {
   recordCount++;
-}
-else if(write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR){
-  if(skipMalformedJSONRecords == false){
-handleAndRaise("Error parsing JSON", new 
Exception(hadoopPath.getName() + " : line nos :" + (recordCount+1)));
+} else if (write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
+  if (!skipMalformedJSONRecords) {
+handleAndRaise("Error parsing JSON", new Exception());
   }
   ++parseErrorCount;
-  if(printSkippedMalformedJSONRecordLineNumber){
-logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount+parseErrorCount));
+  if (printSkippedMalformedJSONRecordLineNumber) {
+logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount + parseErrorCount));
 
 Review comment:
   spaces near `+` operator


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214878343
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/AbstractRecordReader.java
 ##
 @@ -105,4 +106,22 @@ public void allocate(Map vectorMap) 
throws OutOfMemoryExcep
 return GroupScan.ALL_COLUMNS;
   }
 
+  @Override
+  public UserException createUserException(int type, Throwable cause, String 
message) {
+return null;
+  }
+
+  // Construct builder depending on type
+  protected UserException.Builder getExceptionBuilder(int type, Throwable 
cause) {
+if (type < ERROR_TYPE_DATA_READ || type > ERROR_TYPE_INTERNAL) {
 
 Review comment:
   If a new ERROR type is introduced between above two ones, it should be 
obligatorily reflected here
   What about:
   ```
   UserException.Builder builder;
   if (type == ERROR_TYPE_DATA_READ) {
 builder = UserException.dataReadError(cause);
   } else if (type == ERROR_TYPE_INTERNAL) {
 builder = UserException.internalError(cause);
   } else {
 throw new IllegalArgumentException("Unknown error type: " + type);
   }
   return builder;
   ```


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214905003
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -205,36 +191,32 @@ public int next() {
 writer.reset();
 recordCount = 0;
 parseErrorCount = 0;
-if(write == ReadState.JSON_RECORD_PARSE_EOF_ERROR){
+if (write == ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
   return recordCount;
 }
-outside: while(recordCount < DEFAULT_ROWS_PER_BATCH){
-  try{
+while (recordCount < DEFAULT_ROWS_PER_BATCH) {
+  try {
 writer.setPosition(recordCount);
 write = jsonReader.write(writer);
-if(write == ReadState.WRITE_SUCCEED){
+if (write == ReadState.WRITE_SUCCEED) {
   recordCount++;
-}
-else if(write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR){
-  if(skipMalformedJSONRecords == false){
-handleAndRaise("Error parsing JSON", new 
Exception(hadoopPath.getName() + " : line nos :" + (recordCount+1)));
+} else if (write == ReadState.JSON_RECORD_PARSE_ERROR || write == 
ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
+  if (!skipMalformedJSONRecords) {
+handleAndRaise("Error parsing JSON", new Exception());
   }
   ++parseErrorCount;
-  if(printSkippedMalformedJSONRecordLineNumber){
-logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount+parseErrorCount));
+  if (printSkippedMalformedJSONRecordLineNumber) {
+logger.debug("Error parsing JSON in " + hadoopPath.getName() + " : 
line nos :" + (recordCount + parseErrorCount));
   }
-  if(write == ReadState.JSON_RECORD_PARSE_EOF_ERROR){
-break outside;
+  if (write == ReadState.JSON_RECORD_PARSE_EOF_ERROR) {
+break;
   }
+} else {
+  break;
 }
-else{
-  break outside;
-}
+  } catch(IOException ex) {
 
 Review comment:
   space after `catch`


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214906574
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -162,37 +162,23 @@ public void setup(final OperatorContext context, final 
OutputMutator output) thr
   }
 
   private void setupParser() throws IOException {
-if(hadoopPath != null){
+if (hadoopPath != null) {
   jsonReader.setSource(stream);
-}else{
+} else {
 
 Review comment:
   spaces


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214899539
 
 

 ##
 File path: 
contrib/storage-kafka/src/main/java/org/apache/drill/exec/store/kafka/KafkaRecordReader.java
 ##
 @@ -116,6 +118,7 @@ public int next() {
 if (++messageCount >= DEFAULT_MESSAGES_PER_BATCH) {
   break;
 }
+currentMessageCount = messageCount;
 
 Review comment:
   If `currentMessageCount` field is introduced, do we still need local 
variable?


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-04 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214906760
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -162,37 +162,23 @@ public void setup(final OperatorContext context, final 
OutputMutator output) thr
   }
 
   private void setupParser() throws IOException {
-if(hadoopPath != null){
+if (hadoopPath != null) {
   jsonReader.setSource(stream);
-}else{
+} else {
   jsonReader.setSource(embeddedContent);
 }
 jsonReader.setIgnoreJSONParseErrors(skipMalformedJSONRecords);
   }
 
   protected void handleAndRaise(String suffix, Exception e) throws 
UserException {
-
 String message = e.getMessage();
-int columnNr = -1;
 
 if (e instanceof JsonParseException) {
-  final JsonParseException ex = (JsonParseException) e;
-  message = ex.getOriginalMessage();
-  columnNr = ex.getLocation().getColumnNr();
-}
-
-UserException.Builder exceptionBuilder = UserException.dataReadError(e)
-.message("%s - %s", suffix, message);
-if (columnNr > 0) {
-  exceptionBuilder.pushContext("Column ", columnNr);
-}
-
-if (hadoopPath != null) {
-  exceptionBuilder.pushContext("Record ", currentRecordNumberInFile())
-  .pushContext("File ", hadoopPath.toUri().getPath());
+  message = ((JsonParseException) e).getOriginalMessage();
 
 Review comment:
   redundant spaces here and above


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214674475
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/bson/BsonRecordReader.java
 ##
 @@ -364,13 +367,14 @@ public void ensureAtLeastOneField(ComplexWriter writer) {
 }
   }
 
-  public UserException.Builder getExceptionWithContext(UserException.Builder 
exceptionBuilder, String field,
-  String msg, Object... args) {
-return null;
-  }
-
-  public UserException.Builder getExceptionWithContext(Throwable exception, 
String field, String msg, Object... args) {
-return null;
+  public UserException.Builder createExceptionWithContext(Throwable cause, 
String message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message);
+if (reader != null) {
+  builder.addContext("Name", reader.getCurrentName())
 
 Review comment:
   `addContext` from new line will look better


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548619
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/log/LogRecordReader.java
 ##
 @@ -761,4 +761,13 @@ public void close() {
   reader = null;
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+return UserException.dataReadError(cause)
+.message(message)
+.addContext("File", fileWork.getPath())
+.addContext("Line", rowIndex)
+.build(logger);
+  }
 }
 
 Review comment:
   nl


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548619
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/log/LogRecordReader.java
 ##
 @@ -761,4 +761,13 @@ public void close() {
   reader = null;
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+return UserException.dataReadError(cause)
+.message(message)
+.addContext("File", fileWork.getPath())
+.addContext("Line", rowIndex)
+.build(logger);
+  }
 }
 
 Review comment:
   nl


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548571
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/RecordReader.java
 ##
 @@ -49,4 +50,15 @@
* @return The number of additional records added to the output.
*/
   int next();
+
+  /**
+   * Creates {@link UserException} with reader context. Should be analogous to
+   * {@link UserException#dataReadError(Throwable)} with provided context data.
+   * Returns {@code null} if context for a reader is unavailable.
 
 Review comment:
   Use `` or `` for the new line


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548608
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/sequencefile/SequenceFileRecordReader.java
 ##
 @@ -163,4 +163,23 @@ public void close() {
   logger.warn("Exception closing reader: {}", e);
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message)
+.addContext("File ", split.getPath().toString());
+long position = -1L;
+try {
+  if (reader != null) {
+position = reader.getPos();
+  }
+} catch (IOException e) {
+  // Ignore as this is to provide information only
+}
+if (position > 0) {
+  builder.addContext("Position ", position);
+}
+return builder.build(logger);
+  }
 }
 
 Review comment:
   Please add new line in the eof


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214706554
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/sequencefile/SequenceFileRecordReader.java
 ##
 @@ -163,4 +163,23 @@ public void close() {
   logger.warn("Exception closing reader: {}", e);
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message)
+.addContext("File ", split.getPath().toString());
+long position = -1L;
+try {
+  if (reader != null) {
+position = reader.getPos();
+  }
+} catch (IOException e) {
+  // Ignore as this is to provide information only
 
 Review comment:
   `logger.trace()`


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548665
 
 

 ##
 File path: 
contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/readers/HiveAbstractReader.java
 ##
 @@ -430,4 +431,23 @@ protected boolean hasNextValue(Object value) {
 }
   }
 
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message)
+.addContext("Database ", table.getDbName())
+.addContext("Table ", table.getTableName());
+long position = -1;
+try {
+  if (reader != null) {
+position = reader.getPos();
+  }
+} catch (IOException e) {
+  // Ignore as this is to provide information only
 
 Review comment:
   It would be good to log this exception message on TRACE level.


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214697604
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/bson/BsonRecordReader.java
 ##
 @@ -364,13 +367,14 @@ public void ensureAtLeastOneField(ComplexWriter writer) {
 }
   }
 
-  public UserException.Builder getExceptionWithContext(UserException.Builder 
exceptionBuilder, String field,
-  String msg, Object... args) {
-return null;
-  }
-
-  public UserException.Builder getExceptionWithContext(Throwable exception, 
String field, String msg, Object... args) {
-return null;
+  public UserException.Builder createExceptionWithContext(Throwable cause, 
String message) {
 
 Review comment:
   It will be better to lead it to the same method name as 
`JsonProcessor.getExceptionWithContext()` for consistency.
   Because naturally in Mongo both `JsonReader` and `BsonBinaryreader` extend 
`AbstractBsonReader`
   
https://github.com/mongodb/mongo-java-driver/blob/master/bson/src/main/org/bson/json/JsonReader.java#L64
   Possibly it should be improved in Drill in future.


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214706522
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/avro/AvroRecordReader.java
 ##
 @@ -398,4 +399,21 @@ public void close() {
   }
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message)
+.addContext("File ", hadoop);
+long currentPosition = -1L;
+try {
+  currentPosition = reader.tell();
+} catch (IOException e) {
+  // Ignore as this is to provide information only
 
 Review comment:
   `logger.trace()`


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214681934
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/parquet/hadoop/ColumnChunkIncReadStore.java
 ##
 @@ -269,4 +270,10 @@ public PageReader getPageReader(ColumnDescriptor 
descriptor) {
   public long getRowCount() {
 return rowCount;
   }
+
+  public UserException.Builder getExceptionWithContext(Throwable cause, String 
message) {
+return UserException.dataReadError(cause)
 
 Review comment:
   Should it be in consistency with `DrillRuntimeException` in 117 line of this 
class?


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214687014
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/RecordReader.java
 ##
 @@ -49,4 +50,15 @@
* @return The number of additional records added to the output.
*/
   int next();
+
+  /**
+   * Creates {@link UserException} with reader context. Should be analogous to
+   * {@link UserException#dataReadError(Throwable)} with provided context data.
+   * Returns {@code null} if context for a reader is unavailable.
+   *
+   * @param cause a {@code Throwable} to be wrapped into {@code UserException}
+   * @param message message to be passed to resulting {@code UserException}. 
Nullable
+   * @return exception with context data
 
 Review comment:
   just add `instance` word to clarify that it is not thrown, but returned.


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214674475
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/bson/BsonRecordReader.java
 ##
 @@ -364,13 +367,14 @@ public void ensureAtLeastOneField(ComplexWriter writer) {
 }
   }
 
-  public UserException.Builder getExceptionWithContext(UserException.Builder 
exceptionBuilder, String field,
-  String msg, Object... args) {
-return null;
-  }
-
-  public UserException.Builder getExceptionWithContext(Throwable exception, 
String field, String msg, Object... args) {
-return null;
+  public UserException.Builder createExceptionWithContext(Throwable cause, 
String message) {
+UserException.Builder builder = UserException.dataReadError(cause)
+.message(message);
+if (reader != null) {
+  builder.addContext("Name", reader.getCurrentName())
 
 Review comment:
   `addContext` from new line


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214548521
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/RecordReader.java
 ##
 @@ -20,14 +20,15 @@
 import java.util.Map;
 
 import org.apache.drill.common.exceptions.ExecutionSetupException;
+import org.apache.drill.common.exceptions.UserException;
 import org.apache.drill.exec.exception.OutOfMemoryException;
 import org.apache.drill.exec.ops.OperatorContext;
 import org.apache.drill.exec.physical.impl.OutputMutator;
 import org.apache.drill.exec.vector.ValueVector;
 
 public interface RecordReader extends AutoCloseable {
-  public static final long ALLOCATOR_INITIAL_RESERVATION = 1*1024*1024;
-  public static final long ALLOCATOR_MAX_RESERVATION = 20L*1000*1000*1000;
+  long ALLOCATOR_INITIAL_RESERVATION = 1*1024*1024;
+  long ALLOCATOR_MAX_RESERVATION = 20L*1000*1000*1000;
 
 Review comment:
   spaces


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214651648
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/sequencefile/SequenceFileRecordReader.java
 ##
 @@ -148,7 +148,7 @@ public int next() {
   return recordCount;
 } catch (IOException ioe) {
   close();
-  throw UserException.dataReadError(ioe).addContext("File Path", 
split.getPath().toString()).build(logger);
+  throw createDataReadException(ioe, null);
 
 Review comment:
   Looks like we will never get position value, so message will not be improved.
   Does it make sense to close reader after creating Data Read Exception?


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[GitHub] vdiravka commented on a change in pull request #1455: DRILL-6724: Convert IndexOutOfBounds exception to UserException with …

2018-09-03 Thread GitBox
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert 
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214654837
 
 

 ##
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/JSONRecordReader.java
 ##
 @@ -256,4 +256,13 @@ public void close() throws Exception {
   stream.close();
 }
   }
+
+  @Override
+  public UserException createDataReadException(Throwable cause, String 
message) {
 
 Review comment:
   should it be consistent with other Readers and used in `handleAndRaise` 
method or replace it?  


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