github.com/cockroachdb/pebble@v0.0.0-20231214172447-ab4952c5f87b/internal/manifest/testdata/file_metadata_bounds (about)

     1  # Points only (single update).
     2  
     3  extend-point-key-bounds
     4  a.SET.0 - z.DEL.42
     5  ----
     6  000000:[a#0,SET-z#42,DEL] seqnums:[0-0] points:[a#0,SET-z#42,DEL]
     7    bounds: (smallest=point,largest=point) (0x00000111)
     8  
     9  # Rangedels only (single update).
    10  
    11  reset
    12  ----
    13  
    14  extend-point-key-bounds
    15  a.RANGEDEL.0:z
    16  ----
    17  000000:[a#0,RANGEDEL-z#inf,RANGEDEL] seqnums:[0-0] points:[a#0,RANGEDEL-z#inf,RANGEDEL]
    18    bounds: (smallest=point,largest=point) (0x00000111)
    19  
    20  # Range keys only (single update).
    21  
    22  reset
    23  ----
    24  
    25  extend-range-key-bounds
    26  a.RANGEKEYSET.0:z
    27  ----
    28  000000:[a#0,RANGEKEYSET-z#inf,RANGEKEYSET] seqnums:[0-0] ranges:[a#0,RANGEKEYSET-z#inf,RANGEKEYSET]
    29    bounds: (smallest=range,largest=range) (0x00000000)
    30  
    31  # Multiple updates with various key kinds.
    32  
    33  reset
    34  ----
    35  
    36  extend-point-key-bounds
    37  m.SET.0 - n.SET.0
    38  ----
    39  000000:[m#0,SET-n#0,SET] seqnums:[0-0] points:[m#0,SET-n#0,SET]
    40    bounds: (smallest=point,largest=point) (0x00000111)
    41  
    42  # Extend the lower point key bound.
    43  
    44  extend-point-key-bounds
    45  j.SET.0 - k.SET.0
    46  ----
    47  000000:[j#0,SET-n#0,SET] seqnums:[0-0] points:[j#0,SET-n#0,SET]
    48    bounds: (smallest=point,largest=point) (0x00000111)
    49  
    50  # Extend the upper point key bound with a rangedel.
    51  
    52  extend-point-key-bounds
    53  k.RANGEDEL.0:o
    54  ----
    55  000000:[j#0,SET-o#inf,RANGEDEL] seqnums:[0-0] points:[j#0,SET-o#inf,RANGEDEL]
    56    bounds: (smallest=point,largest=point) (0x00000111)
    57  
    58  # Extend the lower bounds bound with a range key.
    59  
    60  extend-range-key-bounds
    61  a.RANGEKEYSET.42:m
    62  ----
    63  000000:[a#42,RANGEKEYSET-o#inf,RANGEDEL] seqnums:[0-0] points:[j#0,SET-o#inf,RANGEDEL] ranges:[a#42,RANGEKEYSET-m#inf,RANGEKEYSET]
    64    bounds: (smallest=range,largest=point) (0x00000101)
    65  
    66  # Extend again with a wide range key (equal keys tiebreak on seqnums descending,
    67  # so the overall lower bound is unchanged).
    68  
    69  extend-range-key-bounds
    70  a.RANGEKEYSET.0:z
    71  ----
    72  000000:[a#42,RANGEKEYSET-z#inf,RANGEKEYSET] seqnums:[0-0] points:[j#0,SET-o#inf,RANGEDEL] ranges:[a#42,RANGEKEYSET-z#inf,RANGEKEYSET]
    73    bounds: (smallest=range,largest=range) (0x00000001)
    74  
    75  # Extend again with a wide rangedel over the same range.
    76  
    77  extend-point-key-bounds
    78  A.RANGEDEL.0:y
    79  ----
    80  000000:[A#0,RANGEDEL-z#inf,RANGEKEYSET] seqnums:[0-0] points:[A#0,RANGEDEL-y#inf,RANGEDEL] ranges:[a#42,RANGEKEYSET-z#inf,RANGEKEYSET]
    81    bounds: (smallest=point,largest=range) (0x00000011)