Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  "sql" step of "vector pipeline"
       5             :  * Author:   Even Rouault <even dot rouault at spatialys.com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef GDALALG_VECTOR_SQL_INCLUDED
      14             : #define GDALALG_VECTOR_SQL_INCLUDED
      15             : 
      16             : #include "gdalalg_vector_pipeline.h"
      17             : 
      18             : //! @cond Doxygen_Suppress
      19             : 
      20             : /************************************************************************/
      21             : /*                      GDALVectorSQLAlgorithm                          */
      22             : /************************************************************************/
      23             : 
      24             : class GDALVectorSQLAlgorithm /* non final */
      25             :     : public GDALVectorPipelineStepAlgorithm
      26             : {
      27             :   public:
      28             :     static constexpr const char *NAME = "sql";
      29             :     static constexpr const char *DESCRIPTION =
      30             :         "Apply SQL statement(s) to a dataset.";
      31             :     static constexpr const char *HELP_URL = "/programs/gdal_vector_sql.html";
      32             : 
      33             :     explicit GDALVectorSQLAlgorithm(bool standaloneStep = false);
      34             : 
      35             :   private:
      36             :     bool RunStep(GDALProgressFunc pfnProgress, void *pProgressData) override;
      37             : 
      38             :     std::vector<std::string> m_sql{};
      39             :     std::vector<std::string> m_outputLayer{};
      40             :     std::string m_dialect{};
      41             : };
      42             : 
      43             : /************************************************************************/
      44             : /*                     GDALVectorSQLAlgorithmStandalone                 */
      45             : /************************************************************************/
      46             : 
      47             : class GDALVectorSQLAlgorithmStandalone final : public GDALVectorSQLAlgorithm
      48             : {
      49             :   public:
      50           9 :     GDALVectorSQLAlgorithmStandalone()
      51           9 :         : GDALVectorSQLAlgorithm(/* standaloneStep = */ true)
      52             :     {
      53           9 :     }
      54             : };
      55             : 
      56             : //! @endcond
      57             : 
      58             : #endif /* GDALALG_VECTOR_SQL_INCLUDED */