1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package arrow
import "github.com/apache/arrow-go/v18/internal/json"
// Record is a collection of equal-length arrays matching a particular Schema.
// Also known as a RecordBatch in the spec and in some implementations.
//
// It is also possible to construct a Table from a collection of Records that
// all have the same schema.
type Record interface {
json.Marshaler
Release()
Retain()
Schema() *Schema
NumRows() int64
NumCols() int64
Columns() []Array
Column(i int) Array
ColumnName(i int) string
SetColumn(i int, col Array) (Record, error)
// NewSlice constructs a zero-copy slice of the record with the indicated
// indices i and j, corresponding to array[i:j].
// The returned record must be Release()'d after use.
//
// NewSlice panics if the slice is outside the valid range of the record array.
// NewSlice panics if j < i.
NewSlice(i, j int64) Record
}
|
