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MXS-852: Store the internal ID in the buffer

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If the internal ID is stored in the buffer when it is moving inside the
readwritesplit router, the RWBackend can manage the execution of all
commands with a statement ID by replacing the stored ID with the correct
value.
This commit is contained in:
Markus Mäkelä
2017-06-21 18:22:16 +03:00
parent 3c4e1e3b4b
commit 5fc30740b7
9 changed files with 93 additions and 45 deletions
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22
server/core/buffer.cc
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@ -352,6 +352,28 @@ GWBUF* gwbuf_clone(GWBUF* buf)
return rval;
}
GWBUF* gwbuf_deep_clone(const GWBUF* buf)
{
GWBUF* rval = NULL;
if (buf)
{
size_t buflen = gwbuf_length(buf);
rval = gwbuf_alloc(buflen);
if (rval && gwbuf_copy_data(buf, 0, buflen, GWBUF_DATA(rval)) == buflen)
{
rval->gwbuf_type = buf->gwbuf_type;
}
else
{
gwbuf_free(rval);
rval = NULL;
}
}
return rval;
}
static GWBUF *gwbuf_clone_portion(GWBUF *buf,
size_t start_offset,