ceph/src/arrow/go/arrow/internal/flatbuf/FieldNode.go

   1 // Licensed to the Apache Software Foundation (ASF) under one
   2 // or more contributor license agreements.  See the NOTICE file
   3 // distributed with this work for additional information
   4 // regarding copyright ownership.  The ASF licenses this file
   5 // to you under the Apache License, Version 2.0 (the
   6 // "License"); you may not use this file except in compliance
   7 // with the License.  You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 // Code generated by the FlatBuffers compiler. DO NOT EDIT.
  18
  19 package flatbuf
  20
  21 import (
  22         flatbuffers "github.com/google/flatbuffers/go"
  23 )
  24
  25 /// ----------------------------------------------------------------------
  26 /// Data structures for describing a table row batch (a collection of
  27 /// equal-length Arrow arrays)
  28 /// Metadata about a field at some level of a nested type tree (but not
  29 /// its children).
  30 ///
  31 /// For example, a List<Int16> with values `[[1, 2, 3], null, [4], [5, 6], null]`
  32 /// would have {length: 5, null_count: 2} for its List node, and {length: 6,
  33 /// null_count: 0} for its Int16 node, as separate FieldNode structs
  34 type FieldNode struct {
  35         _tab flatbuffers.Struct
  36 }
  37
  38 func (rcv *FieldNode) Init(buf []byte, i flatbuffers.UOffsetT) {
  39         rcv._tab.Bytes = buf
  40         rcv._tab.Pos = i
  41 }
  42
  43 func (rcv *FieldNode) Table() flatbuffers.Table {
  44         return rcv._tab.Table
  45 }
  46
  47 /// The number of value slots in the Arrow array at this level of a nested
  48 /// tree
  49 func (rcv *FieldNode) Length() int64 {
  50         return rcv._tab.GetInt64(rcv._tab.Pos + flatbuffers.UOffsetT(0))
  51 }
  52 /// The number of value slots in the Arrow array at this level of a nested
  53 /// tree
  54 func (rcv *FieldNode) MutateLength(n int64) bool {
  55         return rcv._tab.MutateInt64(rcv._tab.Pos+flatbuffers.UOffsetT(0), n)
  56 }
  57
  58 /// The number of observed nulls. Fields with null_count == 0 may choose not
  59 /// to write their physical validity bitmap out as a materialized buffer,
  60 /// instead setting the length of the bitmap buffer to 0.
  61 func (rcv *FieldNode) NullCount() int64 {
  62         return rcv._tab.GetInt64(rcv._tab.Pos + flatbuffers.UOffsetT(8))
  63 }
  64 /// The number of observed nulls. Fields with null_count == 0 may choose not
  65 /// to write their physical validity bitmap out as a materialized buffer,
  66 /// instead setting the length of the bitmap buffer to 0.
  67 func (rcv *FieldNode) MutateNullCount(n int64) bool {
  68         return rcv._tab.MutateInt64(rcv._tab.Pos+flatbuffers.UOffsetT(8), n)
  69 }
  70
  71 func CreateFieldNode(builder *flatbuffers.Builder, length int64, nullCount int64) flatbuffers.UOffsetT {
  72         builder.Prep(8, 16)
  73         builder.PrependInt64(nullCount)
  74         builder.PrependInt64(length)
  75         return builder.Offset()
  76 }