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73 lines (65 loc) · 3.58 KB

fixed_length_byte_array.parquet is generated by parquet-mr version 1.13.0-SNAPSHOT.

It has a single column of fixed length byte array type with size 4.

In total there are 1000 values written in the descending order with some random nulls.

File Metadata (from parquet-cli meta command)

File path:  fixed_length_byte_array.parquet
Created by: parquet-mr version 1.13.0-SNAPSHOT (build d057b39d93014fe40f5067ee4a33621e65c91552)
Properties:
  writer.model.name: example
Schema:
message schema {
  required fixed_len_byte_array(4) flba_field;
}


Row group 0:  count: 1000  3.84 B records  start: 4  total(compressed): 3.749 kB total(uncompressed):3.749 kB
--------------------------------------------------------------------------------
            type      encodings count     avg size   nulls   min / max
flba_field  FIXED[4] _   _     1000      3.84 B   105     "0x00000001" / "0x000003E8"

Column Index (from parquet-cli column-index command)

row-group 0:
column index for column flba_field:
Boundary order: DESCENDING
                      null count  min                                       max
page-0                         9  0x00000385                                0x000003E8
page-1                         9  0x00000321                                0x00000384
page-2                        19  0x000002BD                                0x00000320
page-3                        10  0x00000259                                0x000002BC
page-4                        13  0x000001F5                                0x00000258
page-5                        11  0x00000191                                0x000001F4
page-6                        11  0x0000012D                                0x00000190
page-7                         8  0x000000C9                                0x0000012C
page-8                         9  0x00000065                                0x000000C8
page-9                         6  0x00000001                                0x00000064

offset index for column flba_field:
                          offset   compressed size       first row index
page-0                         4               390                     0
page-1                       394               390                   100
page-2                       784               350                   200
page-3                      1134               386                   300
page-4                      1520               373                   400
page-5                      1893               382                   500
page-6                      2275               382                   600
page-7                      2657               394                   700
page-8                      3051               390                   800
page-9                      3441               402                   900