// 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.

//! String scalar functions

mod elt;
mod field;
mod format;
mod insert;
mod locate;
mod regexp_extract;
mod space;

pub(crate) use elt::EltFunction;
pub(crate) use field::FieldFunction;
pub(crate) use format::FormatFunction;
pub(crate) use insert::InsertFunction;
pub(crate) use locate::LocateFunction;
pub(crate) use regexp_extract::RegexpExtractFunction;
pub(crate) use space::SpaceFunction;

use crate::function_registry::FunctionRegistry;

/// Register all string functions
pub fn register_string_functions(registry: &FunctionRegistry) {
    EltFunction::register(registry);
    FieldFunction::register(registry);
    FormatFunction::register(registry);
    InsertFunction::register(registry);
    LocateFunction::register(registry);
    RegexpExtractFunction::register(registry);
    SpaceFunction::register(registry);
}
