Delete.hpp

// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include "Core.hpp"
 
#include <string>
 
namespace Lightweight
{
 
/// @brief Query builder for building DELETE FROM ... queries.
///
/// @ingroup QueryBuilder
class LIGHTWEIGHT_API SqlDeleteQueryBuilder final: public SqlWhereClauseBuilder<SqlDeleteQueryBuilder>
{
  public:
    /// Constructs a DELETE query builder.
    explicit SqlDeleteQueryBuilder(SqlQueryFormatter const& formatter, std::string table, std::string tableAlias) noexcept:
        SqlWhereClauseBuilder<SqlDeleteQueryBuilder> {},
        m_formatter { formatter }
    {
        m_searchCondition.tableName = std::move(table);
        m_searchCondition.tableAlias = std::move(tableAlias);
    }
 
    /// Returns the search condition for the query.
    SqlSearchCondition& SearchCondition() noexcept // NOLINT(bugprone-derived-method-shadowing-base-method)
    {
        return m_searchCondition;
    }
 
    // clang-format off
    /// Returns the SQL query formatter.
    [[nodiscard]] SqlQueryFormatter const& Formatter() const noexcept // NOLINT(bugprone-derived-method-shadowing-base-method)
    {
        // clang-format on
        return m_formatter;
    }
 
    /// Finalizes building the query as DELETE FROM ... query.
    [[nodiscard]] std::string ToSql() const;
 
  private:
    SqlQueryFormatter const& m_formatter;
    SqlSearchCondition m_searchCondition;
};
 
inline LIGHTWEIGHT_FORCE_INLINE std::string SqlDeleteQueryBuilder::ToSql() const
{
    return m_formatter.Delete(m_searchCondition.tableName,
                              m_searchCondition.tableAlias,
                              m_searchCondition.tableJoins,
                              m_searchCondition.condition);
}
 
} // namespace Lightweight