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mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-23 18:03:04 +01:00

Postfix for #6897, thanks to Adriano & Dmitry

This commit is contained in:
AlexPeshkoff 2021-07-27 17:28:37 +03:00
parent 852230aaa4
commit 422aa7aca8
2 changed files with 100 additions and 13 deletions

View File

@ -6391,6 +6391,8 @@ static bool printUser(const char* dbName)
case fb_info_sqlrole:
len = gds__vax_integer(p, 2);
role.assign(p + 2, len);
if (role == "NONE")
role.erase();
break;
default:
@ -6401,19 +6403,108 @@ static bool printUser(const char* dbName)
p += (2 + len);
}
if (login.hasData() || role.hasData())
{
bool wasOut = dbName && dbName[0];
if (wasOut)
isqlGlob.printf("Database: %s", dbName);
if (login.hasData())
{
isqlGlob.printf("%sUser: %s", wasOut ? ", " : "", login.c_str());
wasOut = true;
}
if (role.hasData())
{
isqlGlob.printf("%sRole: %s", wasOut ? ", " : "", role.c_str());
wasOut = true;
}
if (wasOut)
isqlGlob.printf("%s", NEWLINE);
return true;
}
// fallback to SQL way to do job
if (!frontendTransaction())
return false;
class FbTransCommit
{
public:
~FbTransCommit()
{
if (DB && fbTrans)
{
fbTrans->rollback(fbStatus);
if (succeeded())
fbTrans = NULL;
}
}
};
FbTransCommit fbTransCommit;
const char* sql = "SELECT CURRENT_USER, CURRENT_ROLE FROM RDB$DATABASE";
Firebird::RefPtr<Firebird::IStatement> st(Firebird::REF_NO_INCR,
DB->prepare(fbStatus, fbTrans, 0, sql, 3, Firebird::IStatement::PREPARE_PREFETCH_METADATA));
if (failed())
return false;
Firebird::RefPtr<Firebird::IMessageMetadata> m(Firebird::REF_NO_INCR,
st->getOutputMetadata(fbStatus));
if (failed())
return false;
unsigned bs = m->getMessageLength(fbStatus);
if (failed())
return false;
Firebird::UCharBuffer outBuf;
UCHAR* buf = outBuf.getBuffer(bs);
st->execute(fbStatus, fbTrans, NULL, NULL, m, buf);
if (failed())
return false;
struct FieldInfo
{
const char* text;
const char* skip;
};
FieldInfo fieldInfo[2] = {
{"User", NULL},
{"Role", "NONE"}
};
bool wasOut = dbName && dbName[0];
if (wasOut)
isqlGlob.printf("Database: %s", dbName);
if (login.hasData())
for (unsigned i = 0; i < FB_NELEM(fieldInfo); ++i)
{
isqlGlob.printf("%sUser: %s", wasOut ? ", " : "", login.c_str());
wasOut = true;
}
IsqlVar v;
if (ISQL_fill_var(&v, m, i, buf) == ps_ERR)
return false;
if (*v.nullInd)
continue;
if (role.hasData() && role != "NONE")
{
isqlGlob.printf("%sRole: %s", wasOut ? ", " : "", role.c_str());
Firebird::string txt;
switch(v.type & ~1)
{
case SQL_TEXT:
txt.assign(v.value.asChar, v.length);
break;
case SQL_VARYING:
txt.assign(v.value.asVary->vary_string, v.value.asVary->vary_length);
break;
}
txt.trim();
if (fieldInfo[i].skip && txt == fieldInfo[i].skip)
continue;
isqlGlob.printf("%s%s: %s", wasOut ? ", " : "", fieldInfo[i].text, txt.c_str());
wasOut = true;
}

View File

@ -911,11 +911,9 @@ void INF_database_info(thread_db* tdbb,
case fb_info_username:
{
MetaName user;
MetaString user;
if (att->att_user)
user = att->att_user->getUserName();
if (user.isEmpty())
user = "<* unknown *>";
if (!(info = INF_put_item(item, user.length(), user.c_str(), info, end)))
return;
}
@ -923,11 +921,9 @@ void INF_database_info(thread_db* tdbb,
case fb_info_sqlrole:
{
MetaName role;
MetaString role;
if (att->att_user)
role = att->att_user->getSqlRole();
if (role.isEmpty())
role = "<* unknown *>";
if (!(info = INF_put_item(item, role.length(), role.c_str(), info, end)))
return;
}