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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
#include <pqxx/transaction>
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#include "../test_helpers.hxx"
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namespace
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{
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void test_table_column()
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{
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pqxx::connection conn;
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pqxx::work tx{conn};
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tx.exec0("CREATE TEMP TABLE pqxxfoo (x varchar, y integer, z integer)");
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tx.exec0("INSERT INTO pqxxfoo VALUES ('xx', 1, 2)");
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auto R{tx.exec("SELECT z,y,x FROM pqxxfoo")};
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auto X{tx.exec("SELECT x,y,z,99 FROM pqxxfoo")};
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pqxx::row::size_type x{R.table_column(2)}, y{R.table_column(1)},
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z{R.table_column(static_cast<int>(0))};
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PQXX_CHECK_EQUAL(x, 0, "Wrong column number.");
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PQXX_CHECK_EQUAL(y, 1, "Wrong column number.");
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PQXX_CHECK_EQUAL(z, 2, "Wrong column number.");
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x = R.table_column("x");
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y = R.table_column("y");
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z = R.table_column("z");
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PQXX_CHECK_EQUAL(x, 0, "Wrong number for named column.");
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PQXX_CHECK_EQUAL(y, 1, "Wrong number for named column.");
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PQXX_CHECK_EQUAL(z, 2, "Wrong number for named column.");
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pqxx::row::size_type xx{X[0].table_column(static_cast<int>(0))},
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yx{X[0].table_column(pqxx::row::size_type(1))}, zx{X[0].table_column("z")};
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PQXX_CHECK_EQUAL(xx, 0, "Bad result from table_column(int).");
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PQXX_CHECK_EQUAL(yx, 1, "Bad result from table_column(size_type).");
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PQXX_CHECK_EQUAL(zx, 2, "Bad result from table_column(string).");
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for (pqxx::row::size_type i{0}; i < std::size(R[0]); ++i)
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PQXX_CHECK_EQUAL(
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R[0][i].table_column(), R.table_column(i),
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"Bad result from column_table().");
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int col;
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PQXX_CHECK_THROWS_EXCEPTION(
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col = R.table_column(3), "table_column() with invalid index didn't fail.");
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pqxx::ignore_unused(col);
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PQXX_CHECK_THROWS_EXCEPTION(
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col = R.table_column("nonexistent"),
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"table_column() with invalid column name didn't fail.");
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pqxx::ignore_unused(col);
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PQXX_CHECK_THROWS_EXCEPTION(
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col = X.table_column(3), "table_column() on non-table didn't fail.");
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pqxx::ignore_unused(col);
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}
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} // namespace
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PQXX_REGISTER_TEST(test_table_column);
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