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close_statement and stmt lifecycle
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Ruben Perez
207
test/integration/statement_lifecycle.cpp
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207
test/integration/statement_lifecycle.cpp
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//
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// Copyright (c) 2019-2022 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "er_connection.hpp"
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#include "er_resultset.hpp"
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#include "integration_test_common.hpp"
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#include "test_common.hpp"
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using namespace boost::mysql::test;
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using boost::mysql::field_view;
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namespace {
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BOOST_AUTO_TEST_SUITE(test_statement_lifecycle)
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struct statement_lifecycle_fixture : network_fixture
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{
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field_view get_updates_table_value(const std::string& field_varchar = "f0")
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{
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conn->query(
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"SELECT field_int FROM updates_table WHERE field_varchar = '" + field_varchar + "'",
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*result
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)
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.validate_no_error();
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return result->read_all().get().at(0).at(0);
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}
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};
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BOOST_MYSQL_NETWORK_TEST(select_with_parameters_multiple_executions, statement_lifecycle_fixture)
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{
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setup_and_connect(sample.net);
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// Prepare a statement
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conn->prepare_statement("SELECT * FROM two_rows_table WHERE id = ? OR field_varchar = ?", *stmt)
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.validate_no_error();
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// Execute it. Only one row will be returned (because of the id)
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stmt->execute_collection(make_fv_vector(1, "non_existent"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(!result->base().complete());
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validate_2fields_meta(result->base(), "two_rows_table");
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auto rows = result->read_all().get();
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BOOST_TEST_REQUIRE(rows.size() == 1u);
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BOOST_TEST((rows[0] == makerow(1, "f0")));
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BOOST_TEST(result->base().complete());
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// Execute it again, but with different values. This time, two rows are returned
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stmt->execute_collection(make_fv_vector(1, "f1"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(!result->base().complete());
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validate_2fields_meta(result->base(), "two_rows_table");
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rows = result->read_all().get();
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BOOST_TEST_REQUIRE(rows.size() == 2u);
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BOOST_TEST((rows[0] == makerow(1, "f0")));
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BOOST_TEST((rows[1] == makerow(2, "f1")));
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BOOST_TEST(result->base().complete());
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// Close it
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stmt->close().validate_no_error();
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}
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BOOST_MYSQL_NETWORK_TEST(insert_with_parameters_multiple_executions, statement_lifecycle_fixture)
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{
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setup_and_connect(sample.net);
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start_transaction();
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// Prepare a statement
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conn->prepare_statement("INSERT INTO inserts_table (field_varchar) VALUES (?)", *stmt)
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.validate_no_error();
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// Insert one value
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stmt->execute_collection(make_fv_vector("value0"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(result->base().complete());
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BOOST_TEST(result->base().meta().empty());
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// Insert another one
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stmt->execute_collection(make_fv_vector("value1"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(result->base().complete());
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BOOST_TEST(result->base().meta().empty());
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// Validate that the insertions took place
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BOOST_TEST(get_table_size("inserts_table") == 2);
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// Close it
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stmt->close().validate_no_error();
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}
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BOOST_MYSQL_NETWORK_TEST(update_with_parameters_multiple_executions, statement_lifecycle_fixture)
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{
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setup_and_connect(sample.net);
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start_transaction();
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// Prepare a statement
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conn->prepare_statement("UPDATE updates_table SET field_int = ? WHERE field_varchar = ?", *stmt)
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.validate_no_error();
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// Set field_int to something
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stmt->execute_collection(make_fv_vector(200, "f0"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(result->base().complete());
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BOOST_TEST(result->base().meta().empty());
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// Verify that took effect
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BOOST_TEST(get_updates_table_value() == field_view(200));
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// Set field_int to something different
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stmt->execute_collection(make_fv_vector(250, "f0"), *result).validate_no_error();
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BOOST_TEST(result->base().valid());
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BOOST_TEST(result->base().complete());
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BOOST_TEST(result->base().meta().empty());
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// Verify that took effect
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BOOST_TEST(get_updates_table_value() == field_view(250));
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// Close the statement
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stmt->close().validate_no_error();
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}
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BOOST_MYSQL_NETWORK_TEST(multiple_statements, statement_lifecycle_fixture)
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{
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setup_and_connect(sample.net);
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start_transaction();
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auto stmt_update = var->create_statement();
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auto stmt_select = var->create_statement();
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// Prepare an update and a select
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conn->prepare_statement(
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"UPDATE updates_table SET field_int = ? WHERE field_varchar = ?",
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*stmt_update
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)
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.validate_no_error();
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conn->prepare_statement(
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"SELECT field_int FROM updates_table WHERE field_varchar = ?",
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*stmt_select
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)
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.validate_no_error();
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// They have different IDs
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BOOST_TEST(stmt_update->base().id() != stmt_select->base().id());
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// Execute update
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stmt_update->execute_collection(make_fv_vector(210, "f0"), *result).validate_no_error();
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BOOST_TEST(result->base().complete());
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// Execute select
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stmt_select->execute_collection(make_fv_vector("f0"), *result).validate_no_error();
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auto rows = result->read_all().get();
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BOOST_TEST(rows.size() == 1u);
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BOOST_TEST(rows[0] == makerow(210));
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// Execute update again
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stmt_update->execute_collection(make_fv_vector(220, "f0"), *result).validate_no_error();
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BOOST_TEST(result->base().complete());
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// Update no longer needed, close it
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stmt_update->close().validate_no_error();
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BOOST_TEST(!stmt_update->base().valid());
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// Execute select again
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stmt_select->execute_collection(make_fv_vector("f0"), *result).validate_no_error();
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rows = result->read_all().get();
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BOOST_TEST(rows.size() == 1u);
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BOOST_TEST(rows[0] == makerow(220));
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// Close select
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stmt_select->close().validate_no_error();
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}
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BOOST_MYSQL_NETWORK_TEST(insert_with_null_values, statement_lifecycle_fixture)
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{
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setup_and_connect(sample.net);
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start_transaction();
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// Statement to perform the updates
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conn->prepare_statement(
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"UPDATE updates_table SET field_int = ? WHERE field_varchar = 'fnull'",
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*stmt
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)
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.validate_no_error();
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// Set the value we will be updating to something non-NULL
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stmt->execute_collection(make_fv_vector(42), *result).validate_no_error();
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// Verify it took effect
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BOOST_TEST_REQUIRE((get_updates_table_value("fnull") == field_view(42)));
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// Update the value to NULL
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stmt->execute_collection(make_fv_vector(nullptr), *result).validate_no_error();
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// Verify it took effect
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BOOST_TEST_REQUIRE((get_updates_table_value("fnull") == field_view(nullptr)));
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// Close statement
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stmt->close().validate_no_error();
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}
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BOOST_AUTO_TEST_SUITE_END() // test_prepared_statement_lifecycle
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} // namespace
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