cloud-fan commented on a change in pull request #31921: URL: https://github.com/apache/spark/pull/31921#discussion_r598494071
########## File path: sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedRleValuesReader.java ########## @@ -203,6 +203,41 @@ public void readIntegers( } } + // A fork of `readIntegers`, reading the signed integers as unsigned in long type + public void readIntegersAsUnsigned( + int total, + WritableColumnVector c, + int rowId, + int level, + VectorizedValuesReader data) throws IOException { + int left = total; + while (left > 0) { + if (this.currentCount == 0) this.readNextGroup(); + int n = Math.min(left, this.currentCount); + switch (mode) { + case RLE: + if (currentValue == level) { + data.readIntegersAsUnsigned(n, c, rowId); + } else { + c.putNulls(rowId, n); + } + break; + case PACKED: + for (int i = 0; i < n; ++i) { + if (currentBuffer[currentBufferIdx++] == level) { + c.putLong(rowId + i, Integer.toUnsignedLong(data.readInteger())); Review comment: @yaooqinn do you mean `data.readInteger()` also works for uint8 and unit16? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org