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schema.go
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schema.go
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// 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 metadata
import "github.com/apache/arrow/go/arrow"
type Schema struct {
fields []Field
nameToIndex map[string]int
metadata KeyValueMetadata
}
type Field struct {
name string // Field name
typ arrow.DataType // The field's data type
nullable bool // Fields can be nullable
metadata KeyValueMetadata // The field's metadata, if any
}
type KeyValueMetadata struct {
keys []string
values []string
}