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Read and Write 'Parquet' Files

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tests/testthat/_snaps/write-encodings.md

tests/testthat/_snaps/write-encodings.md
In nanoparquet: Read and Write 'Parquet' Files

parse_encoding

Code
  names(mtcars)
Output
   [1] "mpg"  "cyl"  "disp" "hp"   "drat" "wt"   "qsec" "vs"   "am"   "gear"
  [11] "carb"
Code
  parse_encoding(NULL, mtcars)
Output
   mpg  cyl disp   hp drat   wt qsec   vs   am gear carb 
    NA   NA   NA   NA   NA   NA   NA   NA   NA   NA   NA 
Code
  parse_encoding("PLAIN", mtcars)
Output
      mpg     cyl    disp      hp    drat      wt    qsec      vs      am    gear 
  "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" 
     carb 
  "PLAIN" 
Code
  parse_encoding(c(disp = "RLE_DICTIONARY"), mtcars)
Output
               mpg              cyl             disp               hp 
                NA               NA "RLE_DICTIONARY"               NA 
              drat               wt             qsec               vs 
                NA               NA               NA               NA 
                am             gear             carb 
                NA               NA               NA 
Code
  parse_encoding(c(disp = "RLE_DICTIONARY", vs = "PLAIN"), mtcars)
Output
               mpg              cyl             disp               hp 
                NA               NA "RLE_DICTIONARY"               NA 
              drat               wt             qsec               vs 
                NA               NA               NA          "PLAIN" 
                am             gear             carb 
                NA               NA               NA 
Code
  parse_encoding(c(disp = "RLE", "PLAIN"), mtcars)
Output
      mpg     cyl    disp      hp    drat      wt    qsec      vs      am    gear 
  "PLAIN" "PLAIN"   "RLE" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" 
     carb 
  "PLAIN" 
Code
  parse_encoding(c(disp = "RLE", "PLAIN", vs = "PLAIN"), mtcars)
Output
      mpg     cyl    disp      hp    drat      wt    qsec      vs      am    gear 
  "PLAIN" "PLAIN"   "RLE" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" "PLAIN" 
     carb 
  "PLAIN"

Code
  parse_encoding(1:2, mtcars)
Condition
  Error in `parse_encoding()`:
  ! `encoding` must be `NULL` or a character vector
Code
  parse_encoding(c("PLAIN", "foobar"), mtcars)
Condition
  Error in `parse_encoding()`:
  ! `encoding` contains at least one unknown encoding
Code
  parse_encoding(c(foo = "PLAIN", foo = "RLE"), mtcars)
Condition
  Error in `parse_encoding()`:
  ! names of `encoding` must be unique
Code
  parse_encoding(c(disp = "PLAIN", foo = "RLE"), mtcars)
Condition
  Error in `parse_encoding()`:
  ! names of `encoding` must match names of `x`

BOOLEAN

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE      RLE
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3    NA
  4  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3    NA
  4  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE      RLE
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2 FALSE
  3    NA
  4  TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE      RLE
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9  TRUE
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9  TRUE
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE      RLE
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9  TRUE
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9    NA
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE
  17 TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9    NA
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE
  17 TRUE

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE      RLE
Code
  as.data.frame(read_parquet(tmp))
Output
        l
  1  TRUE
  2  TRUE
  3  TRUE
  4  TRUE
  5  TRUE
  6  TRUE
  7  TRUE
  8  TRUE
  9    NA
  10 TRUE
  11 TRUE
  12 TRUE
  13 TRUE
  14 TRUE
  15 TRUE
  16 TRUE
  17 TRUE

Code
  write_parquet(d, tmp, encoding = "RLE_DICTIONARY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for BOOLEAN column: RLE_DICTIONARY
Code
  write_parquet(d, tmp, encoding = "BIT_PACKED")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for BOOLEAN column: BIT_PACKED
Code
  write_parquet(d, tmp, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for BOOLEAN column: BYTE_STREAM_SPLIT

INT32

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  NULL
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  NULL
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  write_parquet(d, tmp, encoding = "DELTA_BINARY_PACKED")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT32 column: DELTA_BINARY_PACKED
Code
  write_parquet(d, tmp, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT32 column: BYTE_STREAM_SPLIT
Code
  write_parquet(d, tmp, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for INT32 column: RLE

integer -> INT64

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BINARY_PACKED")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT64 column: DELTA_BINARY_PACKED
Code
  write_parquet(d, tmp, schema = schema, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT64 column: BYTE_STREAM_SPLIT
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for INT64 column: RLE

double -> INT64

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
    d
  1 1
  2 2
  3 3
  4 4
  5 5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  2
  3 NA
  4  3
  5  4
  6  5

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
     d
  1  1
  2  1
  3  1
  4  1
  5  1
  6  1
  7  1
  8  1
  9  1
  10 1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  schema
Output
  [1] "INT64"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1   1
  2   1
  3   1
  4   1
  5   1
  6  NA
  7   1
  8   1
  9   1
  10  1
  11  1

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BINARY_PACKED")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT64 column: DELTA_BINARY_PACKED
Code
  write_parquet(d, tmp, schema = schema, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for INT64 column: BYTE_STREAM_SPLIT
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for INT64 column: RLE

integer -> INT96

Code
  write_parquet(d, tmp, schema = schema)
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE_DICTIONARY")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY

Code
  write_parquet(d, tmp, schema = schema)
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE_DICTIONARY")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY

Code
  write_parquet(d, tmp, schema = schema)
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE_DICTIONARY")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY

Code
  write_parquet(d, tmp, schema = schema)
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE_DICTIONARY")
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY

Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for INT96 column: RLE

double -> INT96

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3 -4713-11-24
  4 -4713-11-24
  5 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3 -4713-11-24
  4 -4713-11-24
  5 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3 -4713-11-24
  4 -4713-11-24
  5 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3        <NA>
  4 -4713-11-24
  5 -4713-11-24
  6 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3        <NA>
  4 -4713-11-24
  5 -4713-11-24
  6 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1 -4713-11-24
  2 -4713-11-24
  3        <NA>
  4 -4713-11-24
  5 -4713-11-24
  6 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6  -4713-11-24
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6  -4713-11-24
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6  -4713-11-24
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6         <NA>
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24
  11 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6         <NA>
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24
  11 -4713-11-24

Code
  schema
Output
  [1] "INT96"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
               d
  1  -4713-11-24
  2  -4713-11-24
  3  -4713-11-24
  4  -4713-11-24
  5  -4713-11-24
  6         <NA>
  7  -4713-11-24
  8  -4713-11-24
  9  -4713-11-24
  10 -4713-11-24
  11 -4713-11-24

Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for INT96 column: RLE

FLOAT

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  schema
Output
  [1] "FLOAT"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  write_parquet(d, tmp, schema = schema, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for FLOAT column: BYTE_STREAM_SPLIT
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for FLOAT column: RLE

DOUBLE

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 1.5
  5 2.0
  6 2.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  schema
Output
  [1] "DOUBLE"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6   NA
  7  0.5
  8  0.5
  9  0.5
  10 0.5
  11 0.5

Code
  write_parquet(d, tmp, schema = schema, encoding = "BYTE_STREAM_SPLIT")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for DOUBLE column: BYTE_STREAM_SPLIT
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for DOUBLE column: RLE

BYTE_ARRAY, string

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3   <NA>
  4 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3   <NA>
  4 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
         s
  1    foo
  2    bar
  3   <NA>
  4 foobar

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  foo
  2  foo
  3  foo
  4  foo
  5  foo
  6  foo
  7  foo
  8  foo
  9  foo
  10 foo

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  foo
  2  foo
  3  foo
  4  foo
  5  foo
  6  foo
  7  foo
  8  foo
  9  foo
  10 foo

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  foo
  2  foo
  3  foo
  4  foo
  5  foo
  6  foo
  7  foo
  8  foo
  9  foo
  10 foo

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
        d
  1   foo
  2   foo
  3   foo
  4   foo
  5  <NA>
  6   foo
  7   foo
  8   foo
  9   foo
  10  foo

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
        d
  1   foo
  2   foo
  3   foo
  4   foo
  5  <NA>
  6   foo
  7   foo
  8   foo
  9   foo
  10  foo

Code
  schema
Output
  [1] "STRING"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
        d
  1   foo
  2   foo
  3   foo
  4   foo
  5  <NA>
  6   foo
  7   foo
  8   foo
  9   foo
  10  foo

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_LENGTH_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for BYTE_ARRAY column: DELTA_LENGTH_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for BYTE_ARRAY column: DELTA_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for BYTE_ARRAY column: RLE

BYTE_ARRAY, RAW

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
                         s
  1             66, 6f, 6f
  2             62, 61, 72
  3 66, 6f, 6f, 62, 61, 72

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
                         s
  1             66, 6f, 6f
  2             62, 61, 72
  3 66, 6f, 6f, 62, 61, 72

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
                         s
  1             66, 6f, 6f
  2             62, 61, 72
  3                   NULL
  4 66, 6f, 6f, 62, 61, 72

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
                         s
  1             66, 6f, 6f
  2             62, 61, 72
  3                   NULL
  4 66, 6f, 6f, 62, 61, 72

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [1] "BYTE_ARRAY"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_LENGTH_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for list(raw) BYTE_ARRAY column: DELTA_LENGTH_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for list(raw) BYTE_ARRAY column: DELTA_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN_DICTIONARY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for list(raw) BYTE_ARRAY column: PLAIN_DICTIONARY
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for list(raw) BYTE_ARRAY column: RLE

FIXED_LEN_BYTE_ARRAY, RAW

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3       NULL
  4 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3       NULL
  4 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_LENGTH_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for list(raw) FIXED_LEN_BYTE_ARRAY column: DELTA_LENGTH_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for list(raw) FIXED_LEN_BYTE_ARRAY column: DELTA_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "PLAIN_DICTIONARY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for list(raw) FIXED_LEN_BYTE_ARRAY column: PLAIN_DICTIONARY
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for list(raw) FIXED_LEN_BYTE_ARRAY column: RLE

FIXED_LEN_BYTE_ARRAY, FLOAT16

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3 1.5
  4 2.0
  5 2.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 2.0
  5 2.5
  6 3.0

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 2.0
  5 2.5
  6 3.0

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
      d
  1 0.5
  2 1.0
  3  NA
  4 2.0
  5 2.5
  6 3.0

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5  0.5
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5   NA
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5   NA
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  schema
Output
  [1] "FLOAT16"
Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
       d
  1  0.5
  2  0.5
  3  0.5
  4  0.5
  5   NA
  6  0.5
  7  0.5
  8  0.5
  9  0.5
  10 0.5

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_LENGTH_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for FIXED_LEN_BYTE_ARRAY column: DELTA_LENGTH_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for FIXED_LEN_BYTE_ARRAY column: DELTA_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for FIXED_LEN_BYTE_ARRAY column: RLE

FIXED_LEN_BYTE_ARRAY, character

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3       NULL
  4 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3       NULL
  4 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
             s
  1 66, 6f, 6f
  2 62, 61, 72
  3       NULL
  4 61, 61, 61

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5  66, 6f, 6f
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  NULL
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "PLAIN"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"   "PLAIN"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
    page_type encoding
  1 DATA_PAGE    PLAIN
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  schema
Output
  [[1]]
  [1] "FIXED_LEN_BYTE_ARRAY"

  $type_length
  [1] 3

Code
  encoding
Output
  [1] "RLE_DICTIONARY"
Code
  read_parquet_metadata(tmp)[["column_chunks"]][["encodings"]]
Output
  [[1]]
  [1] "RLE"            "PLAIN"          "RLE_DICTIONARY"

Code
  as.data.frame(read_parquet_pages(tmp))[, c("page_type", "encoding")]
Output
          page_type       encoding
  1 DICTIONARY_PAGE          PLAIN
  2       DATA_PAGE RLE_DICTIONARY
Code
  as.data.frame(read_parquet(tmp))
Output
              d
  1  66, 6f, 6f
  2  66, 6f, 6f
  3  66, 6f, 6f
  4  66, 6f, 6f
  5        NULL
  6  66, 6f, 6f
  7  66, 6f, 6f
  8  66, 6f, 6f
  9  66, 6f, 6f
  10 66, 6f, 6f

Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_LENGTH_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for FIXED_LEN_BYTE_ARRAY column: DELTA_LENGTH_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "DELTA_BYTE_ARRAY")
Condition
  Error in `write_parquet()`:
  ! Unimplemented encoding for FIXED_LEN_BYTE_ARRAY column: DELTA_BYTE_ARRAY
Code
  write_parquet(d, tmp, schema = schema, encoding = "RLE")
Condition
  Error in `write_parquet()`:
  ! Unsupported encoding for FIXED_LEN_BYTE_ARRAY column: RLE


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nanoparquet documentation built on April 3, 2025, 11:26 p.m.

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