Re: POC: Extension for adding distributed tracing - pg_tracing

Hi,

> Also FYI, there are build warnings because functions
> const char * get_span_name(const Span * span, const char *qbuffer)
> and
> const char * get_operation_name(const Span * span, const char *qbuffer)
> do not have default inside switch and no return outside of switch.

You are right, there are a few warnings:

```
[1566/1887] Compiling C object contrib/pg_tracing/pg_tracing.so.p/span.c.o
../contrib/pg_tracing/span.c: In function ‘get_span_name’:
../contrib/pg_tracing/span.c:210:1: warning: control reaches end of
non-void function [-Wreturn-type]
  210 | }
      | ^
../contrib/pg_tracing/span.c: In function ‘get_operation_name’:
../contrib/pg_tracing/span.c:249:1: warning: control reaches end of
non-void function [-Wreturn-type]
  249 | }
      | ^
```

Here is the patch v2 with a quick fix.

> but got errors calling make check and cannot install the extension

Agree, something goes wrong when using Autotools (but not Meson) on
both Linux and MacOS. I didn't investigate the issue though.

--
Best regards,
Aleksander Alekseev