GDAL

gdalalg_vector_sql.h
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
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 static ConstructorOptions GetConstructorOptions(bool standaloneStep);
37 bool RunStep(GDALPipelineStepRunContext &ctxt) override;
38
39 std::vector<std::string> m_sql{};
40 std::vector<std::string> m_outputLayer{};
41 std::string m_dialect{};
42};
43
44/************************************************************************/
45/* GDALVectorSQLAlgorithmStandalone */
46/************************************************************************/
47
48 class GDALVectorSQLAlgorithmStandalone final : public GDALVectorSQLAlgorithm
49{
50 public:
51 GDALVectorSQLAlgorithmStandalone()
52 : GDALVectorSQLAlgorithm(/* standaloneStep = */ true)
53 {
54 }
55
56 ~GDALVectorSQLAlgorithmStandalone() override;
57};
58
60
61#endif /* GDALALG_VECTOR_SQL_INCLUDED */