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Abstract the session default database

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The default database can now be manipulated with a set of functions
exposed by the maxscale/protocol/mysql.h header. This removes the need to
handle the structures themselves in the modules and is a step towards
moving the dcb->data contents inside the session.
This commit is contained in:
Markus Mäkelä
2017-06-13 12:33:50 +03:00
parent 93660c19ed
commit bd7a26d830
11 changed files with 66 additions and 45 deletions
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9
server/modules/routing/readwritesplit/rwsplit_mysql.cc
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@ -380,8 +380,7 @@ bool execute_sescmd_in_backend(backend_ref_t *backend_ref)
MYSQL_session* data;
unsigned int qlen;
data = (MYSQL_session*)dcb->session->client_dcb->data;
*data->db = 0;
mxs_mysql_set_current_db(dcb->session, "");
tmpbuf = scur->scmd_cur_cmd->my_sescmd_buf;
qlen = MYSQL_GET_PAYLOAD_LEN((unsigned char *) GWBUF_DATA(tmpbuf));
if (qlen)
@ -394,8 +393,10 @@ bool execute_sescmd_in_backend(backend_ref_t *backend_ref)
qlen = MYSQL_DATABASE_MAXLEN;
}
memcpy(data->db, (char*)GWBUF_DATA(tmpbuf) + 5, qlen);
data->db[qlen] = 0;
char db[qlen + 1];
memcpy(db, (char*)GWBUF_DATA(tmpbuf) + 5, qlen);
db[qlen] = 0;
mxs_mysql_set_current_db(dcb->session, db);
}
}
/** Fallthrough */