datatypes/schema/
ext.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use crate::extension::json;
16
17/// Add some useful utilities upon Arrow's [Schema](arrow_schema::Schema).
18pub trait ArrowSchemaExt {
19    /// Check if this [Schema](arrow_schema::Schema) has JSON extension field.
20    fn has_json_extension_field(&self) -> bool;
21}
22
23impl ArrowSchemaExt for arrow_schema::Schema {
24    fn has_json_extension_field(&self) -> bool {
25        self.fields().iter().any(json::is_json_extension_type)
26    }
27}
datatypes/schema/ext.rs

datatypes/schema/
ext.rs
