Method putUtf8

core/src/test/java/io/questdb/test/tools/TestUtils.java:1933–1951

(TableWriter.Row r, String s, int columnIndex, boolean symbol)

    }

    public static void putUtf8(TableWriter.Row r, String s, int columnIndex, boolean symbol) {
        byte[] bytes = s.getBytes(Files.UTF_8);
        long len = bytes.length;
        long p = Unsafe.malloc(len, MemoryTag.NATIVE_DEFAULT);
        try {
            for (int i = 0; i < len; i++) {
                Unsafe.putByte(p + i, bytes[i]);
            }
            DirectUtf8String seq = new DirectUtf8String();
            seq.of(p, p + len);
            if (symbol) {
                r.putSymUtf8(columnIndex, seq);
            } else {
                r.putStrUtf8(columnIndex, seq);
            }
        } finally {
            Unsafe.free(p, len, MemoryTag.NATIVE_DEFAULT);
        }
    }

    public static StringSink putWithLeadingZeroIfNeeded(StringSink seq, int len, int value) {
        seq.clear(len);