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ORC-426: Fix errors in ORC specification. #329

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ORC-426: Fix errors in ORC specification. #329

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3880ad7
ORC-426: Fix errors in ORC specification.
fangzheng Oct 30, 2018
695c927
ORC-426: Remove redundant sentence in ORC specification.
fangzheng Oct 30, 2018
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2 changes: 1 addition & 1 deletion site/specification/ORCv0.md
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Expand Up @@ -725,7 +725,7 @@ DIRECT | PRESENT | Yes | Boolean RLE
## Map Columns

Maps are encoded as the PRESENT stream and a length stream with number
of items in each list. They have a child column for the key and
of items in each map. They have a child column for the key and
another child column for the value.

Encoding | Stream Kind | Optional | Contents
Expand Down
6 changes: 2 additions & 4 deletions site/specification/ORCv1.md
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Expand Up @@ -581,8 +581,6 @@ the index values and the additional value bits.
bit is set, the entire value is negated.
* Data values (W * L bits padded to the byte) - A sequence of W bit positive
values that are added to the base value.
* Data values (W * L bits padded to the byte) - A sequence of W bit positive
values that are added to the base value.
* Patch list (PLL * (PGW + PW) bytes) - A list of patches for values
that didn't fit within W bits. Each entry in the list consists of a
gap, which is the number of elements skipped from the previous
Expand Down Expand Up @@ -899,7 +897,7 @@ DIRECT_V2 | PRESENT | Yes | Boolean RLE
## Map Columns

Maps are encoded as the PRESENT stream and a length stream with number
of items in each list. They have a child column for the key and
of items in each map. They have a child column for the key and
another child column for the value.

Encoding | Stream Kind | Optional | Contents
Expand Down Expand Up @@ -978,7 +976,7 @@ group (default to 10,000 rows) in a column. Only the row groups that
satisfy min/max row index evaluation will be evaluated against the
bloom filter index.

Each BloomFilterEntry stores the number of hash functions ('k') used
Each bloom filter entry stores the number of hash functions ('k') used
and the bitset backing the bloom filter. The original encoding (pre
ORC-101) of bloom filters used the bitset field encoded as a repeating
sequence of longs in the bitset field with a little endian encoding
Expand Down
6 changes: 2 additions & 4 deletions site/specification/ORCv2.md
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Expand Up @@ -601,8 +601,6 @@ the index values and the additional value bits.
bit is set, the entire value is negated.
* Data values (W * L bits padded to the byte) - A sequence of W bit positive
values that are added to the base value.
* Data values (W * L bits padded to the byte) - A sequence of W bit positive
values that are added to the base value.
* Patch list (PLL * (PGW + PW) bytes) - A list of patches for values
that didn't fit within W bits. Each entry in the list consists of a
gap, which is the number of elements skipped from the previous
Expand Down Expand Up @@ -916,7 +914,7 @@ DIRECT_V2 | PRESENT | Yes | Boolean RLE
## Map Columns

Maps are encoded as the PRESENT stream and a length stream with number
of items in each list. They have a child column for the key and
of items in each map. They have a child column for the key and
another child column for the value.

Encoding | Stream Kind | Optional | Contents
Expand Down Expand Up @@ -995,7 +993,7 @@ group (default to 10,000 rows) in a column. Only the row groups that
satisfy min/max row index evaluation will be evaluated against the
bloom filter index.

Each BloomFilterEntry stores the number of hash functions ('k') used
Each bloom filter entry stores the number of hash functions ('k') used
and the bitset backing the bloom filter. The original encoding (pre
ORC-101) of bloom filters used the bitset field encoded as a repeating
sequence of longs in the bitset field with a little endian encoding
Expand Down