Function homogeneousJSONArray

src/Client/BuzzHouse/Generator/SQLTypes.cpp:2521–2564

}

static String homogeneousJSONArray(RandomGenerator & rg)
{
    /// Homogeneous typed array: pick element type once, generate 0-5 elements of that type
    String ret;
    std::uniform_int_distribution<int> alen(0, 30);
    std::uniform_int_distribution<int> atype(1, 9);
    const int nelems = alen(rg.generator);
    const int elem_type = atype(rg.generator);

    for (int j = 0; j < nelems; j++)
    {
        if (j != 0)
            ret += ",";
        switch (elem_type)
        {
            case 1: {
                std::uniform_int_distribution<int> numbers(-1000, 1000);
                ret += std::to_string(numbers(rg.generator));
                break;
            }
            case 2: ret += std::to_string(rg.nextRandomInt64()); break;
            case 3: ret += std::to_string(rg.nextRandomUInt64()); break;
            case 4: ret += nextFloatingPoint(rg, true); break;
            case 5: ret += rg.nextString("\"", false, rg.nextStrlen()); break;
            case 6: ret += rg.nextBool() ? "true" : "false"; break;
            case 7: ret += "null"; break;
            case 8:
                /// Empty string
                ret += "\"\"";
                break;
            case 9: {
                /// Decimal
                std::uniform_int_distribution<uint32_t> next_dist(0, 76);
                const uint32_t left = next_dist(rg.generator);
                const uint32_t right = next_dist(rg.generator);

                ret += appendDecimal(rg, false, left, right);
            }
            break;
            default: UNREACHABLE();
        }
    }
    return ret;
}

String strBuildJSONArray(RandomGenerator & rg, const int jdepth, const int jwidth)
{