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GatewayJ
60 lines
1.6 KiB
Rust
60 lines
1.6 KiB
Rust
// Copyright 2024 RustFS Team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use datafusion::sql::sqlparser::ast::Statement;
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use std::sync::Arc;
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum JsonPathSegment {
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Key { name: String, quoted: bool },
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Index(usize),
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ArrayWildcard,
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ObjectWildcard,
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}
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#[derive(Debug, Clone, Default, PartialEq, Eq)]
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pub struct JsonSource {
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path: Arc<[JsonPathSegment]>,
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scalar_column: Option<String>,
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}
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impl JsonSource {
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pub fn new(path: Vec<JsonPathSegment>, scalar_column: Option<String>) -> Self {
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Self {
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path: path.into(),
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scalar_column,
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}
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}
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#[cfg(test)]
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pub(crate) fn from_path(path: Vec<JsonPathSegment>) -> Self {
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Self::new(path, None)
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}
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pub fn path(&self) -> &[JsonPathSegment] {
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&self.path
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}
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pub fn scalar_column(&self) -> Option<&str> {
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self.scalar_column.as_deref()
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}
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}
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum ExtStatement {
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/// ANSI SQL AST node
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SqlStatement(Box<Statement>),
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// we can expand command
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}
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