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https://github.com/GreptimeTeam/greptimedb.git
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dd06e107f9
* feat: support make fuzz-stable in Makefile * test: add fuzz tests for column data type alteration * fix: optimize code by cr
41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
// Copyright 2023 Greptime 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 common_query::AddColumnLocation;
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use derive_builder::Builder;
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use serde::{Deserialize, Serialize};
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use crate::ir::{Column, Ident};
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#[derive(Debug, Builder, Clone, Serialize, Deserialize)]
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pub struct AlterTableExpr {
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pub table_name: Ident,
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pub alter_options: AlterTableOperation,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub enum AlterTableOperation {
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/// `ADD [ COLUMN ] <column_def> [location]`
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AddColumn {
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column: Column,
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location: Option<AddColumnLocation>,
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},
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/// `DROP COLUMN <name>`
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DropColumn { name: Ident },
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/// `RENAME <new_table_name>`
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RenameTable { new_table_name: Ident },
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/// `MODIFY COLUMN <column_name> <column_type>`
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ModifyDataType { column: Column },
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}
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