change list offset array to offset buffer

apache · Apr 10, 2016 · b7aa7ea · b7aa7ea
1 parent 7dda5d5
commit b7aa7ea
Showing 1 changed file with 5 additions and 17 deletions.
diff --git a/format/Layout.md b/format/Layout.md
@@ -212,7 +212,7 @@ A list type is specified like `List<T>`, where `T` is any relative type
 A list-array is represented by the combination of the following:
 
 * A values array, a child array of type T. T may also be a nested type.
-* An offsets array containing 32-bit signed integers with length equal to the
+* An offsets buffer containing 32-bit signed integers with length equal to the
  length of the top-level array plus one. Note that this limits the size of the
  values array to 2^31 -1.
 
@@ -247,10 +247,7 @@ will have the following representation:
  |--------------------------|-----------------------|
  | 00001101 | 0 (padding) |
 
-* Offsets array (int32 array)
- * Length: 5, Null count: 0
- * Null bitmap buffer: Not required
- * Value Buffer (offsets into the Values array):
+* Offsets buffer (int32)
 
  | Bytes 0-3 | Bytes 4-7 | Bytes 8-11 | Bytes 12-15 | Bytes 16-19 |
  |------------|-------------|-------------|-------------|-------------|
@@ -274,10 +271,7 @@ will be be represented as follows:
 * Length 3
 * Nulls count: 0
 * Null bitmap buffer: Not required
-* Offsets array (int32 array)
- * Length: 4, Null count: 0
- * Null bitmap buffer: Not required
- * Value Buffer (offsets into the Values array):
+* Offsets buffer (int32)
 
  | Bytes 0-3 | Bytes 4-7 | Bytes 8-11 | Bytes 12-15 |
  |------------|------------|------------|-------------|
@@ -291,9 +285,7 @@ will be be represented as follows:
  |--------------------------|-------------|
  | 00110111 | 0 (padding) |
 
- * Offsets array (int32 array)
- * Length 7, Null count: 0
- * Null bitmap buffer: Not required
+ * Offsets buffer (int32)
 
  | Bytes 0-28 |
  |----------------------|
@@ -440,7 +432,6 @@ An example layout for logical union of:
  |---------|-------------|----------|----------|
  | 0 | unspecified | 0 | 1 |
 
-
 * Offset buffer:
 
  |Byte 0-3 | Byte 4-7 | Byte 8-11 | Byte 12-15 |
@@ -537,10 +528,7 @@ will have the following layout:
  |--------------------------|-----------------------|
  | 00100100 | 0 (padding) |
 
- * Offsets array (int32 array)
- * Length: 7, Null count: 0
- * Null bitmap buffer: Not required
- * Value Buffer (offsets into the Values array):
+ * Offsets buffer (int32)
 
  | Bytes 0-3 | Bytes 4-7 | Bytes 8-11 | Bytes 12-15 | Bytes 16-19 | Bytes 20-23 | Bytes 24-27 |
  |------------|-------------|-------------|-------------|-------------|-------------|-------------|