...

find_package(Threads)
link_libraries(${Threads})

find_package(PostgreSQL)
include_directories(/usr/include/postgresql/current)


target_link_libraries(${PROJECT_NAME} PostgreSQL::PostgreSQL ${CMAKE_THREAD_LIBS_INIT})

// `PGQueryProcessor` is meant to be a long lived object, and when you close your application you should delete it
// connection strings can be a Unix Domain Socket for a performance boost
PGQueryProcessor *p = PGQueryProcessor::createInstance("host=/var/run/postgresql dbname=foo user=bar password=foobar");

// this is the callback after each query is executed
const auto callback = [](PGResultSet&& resultSet) {
    for (PGRow& row : resultSet.rows) {
        std::cout << row.get("car") << std::endl;
    }
};

p->push(
  PGQueryParams::createBuilder("select * from bar where car=$1")
    .addParam("jaguar")
    .build(),
  callback
);

delete p;

// connection pool size         = 32
// queries per connection       = 32
// query queue size             = 178000
// response thread pool size    = 2
PGQueryProcessor::createInstance("...", 32, 32, 178000, 2);

// connection pool size = 6
PGQueryProcessor::createInstance("...", 6);

Copyright (c) 2023 Vibelife

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.