Balazs Hevele has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24579 )

Change subject: IMPALA-15139: Support DELTA_LENGTH_BYTE_ARRAY Parquet encoding
......................................................................


Patch Set 2:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/24579/2/be/src/exec/parquet/parquet-delta-length-byte-array-decoder.h
File be/src/exec/parquet/parquet-delta-length-byte-array-decoder.h:

http://gerrit.cloudera.org:8080/#/c/24579/2/be/src/exec/parquet/parquet-delta-length-byte-array-decoder.h@83
PS2, Line 83: data_remaining_
nit: could you clarify in the name that this is number of BYTES remaining?


http://gerrit.cloudera.org:8080/#/c/24579/2/be/src/exec/parquet/parquet-delta-length-byte-array-decoder.cc
File be/src/exec/parquet/parquet-delta-length-byte-array-decoder.cc:

http://gerrit.cloudera.org:8080/#/c/24579/2/be/src/exec/parquet/parquet-delta-length-byte-array-decoder.cc@73
PS2, Line 73: total_data_bytes > data_len
Is this comparison correct?
As I understand
-total_data_bytes only contains the size of the concatenated strings
-data_len contains the size of the (packed) lengths and the size of the 
concatenated strings



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9e4395fa30cd7fb2c89ef5a2b16b043d4de60b52
Gerrit-Change-Number: 24579
Gerrit-PatchSet: 2
Gerrit-Owner: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Balazs Hevele <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Wed, 15 Jul 2026 12:01:37 +0000
Gerrit-HasComments: Yes

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