// Copyright 2023 Greptime Team
//
// Licensed 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.

pub use sqlparser::ast::{
    BinaryOperator, ColumnDef, ColumnOption, ColumnOptionDef, DataType, Expr, Function,
    FunctionArg, FunctionArgExpr, FunctionArguments, Ident, ObjectName, ObjectNamePart, SqlOption,
    TableConstraint, TimezoneInfo, Value, ValueWithSpan, Visit, VisitMut, Visitor, VisitorMut,
    visit_expressions_mut, visit_statements_mut,
};

pub trait ObjectNamePartExt {
    fn to_string_unquoted(&self) -> String;
}

impl ObjectNamePartExt for ObjectNamePart {
    fn to_string_unquoted(&self) -> String {
        let ObjectNamePart::Identifier(ident) = self else {
            // If it's not an ident, just return it as a string.
            return self.to_string();
        };
        ident.value.clone()
    }
}
