// Copyright 2023 PingCAP, Inc.
//
// 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.

#pragma once

#include <Core/Block.h>
#include <Interpreters/Context_fwd.h>
#include <Parsers/IAST.h>


namespace DB::VirtualColumnUtils
{

/// Leave in the block only the rows that fit under the WHERE clause and the PREWHERE clause of the query.
/// Only elements of the outer conjunction are considered, depending only on the columns present in the block.
/// Returns true if at least one row is discarded.
void filterBlockWithQuery(const ASTPtr & query, Block & block, const Context & context);

} // namespace DB::VirtualColumnUtils