MetaSQLQuery mqlLoad(const QString & name, bool * valid)
{
if(valid)
*valid = true;
QString fsrc = QString::null;
QFile fin(name);
if(fin.open(QIODevice::ReadOnly))
{
QTextStream sin(&fin);
fsrc = sin.readAll();
}
else
{
_lastError = QString("Could not open file '%1': %2").arg(name).arg(fin.errorString());
qWarning("%s", qPrintable(_lastError));
if(valid)
*valid = false;
}
return MetaSQLQuery(fsrc);
}
MetaSQLQuery mqlLoad(const QString & group, const QString & name, bool * valid)
{
if(valid)
*valid = true;
QString fsrc = QString::null;
XSqlQuery qry;
QString sql;
sql = QString("SELECT metasql_query "
"FROM metasql "
"WHERE ((metasql_group='%1') "
"AND (metasql_name='%2'));").arg(group).arg(name);
qry.exec(sql);
if (qry.first())
fsrc = qry.value("metasql_query").toString();
else
{
_lastError = QString("Could not open query '%1': %2").arg(group).arg(name);
qWarning("%s", qPrintable(_lastError));
if(valid)
*valid = false;
}
return MetaSQLQuery(fsrc);
}
void fixSerial::sFillList()
{
_serial->clear();
QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) );
QString sql = "SELECT nspname ||'.' ||relname AS tablename, nspname, relname, attname, "
" TRIM(quote_literal('\"''') FROM"
" SUBSTRING(pg_catalog.pg_get_expr(d.adbin, d.adrelid)"
" FROM '[' || quote_literal('\"''') || "
" '].*[' || quote_literal('\"''') || ' ]')) AS seq"
" FROM pg_catalog.pg_attribute a, pg_catalog.pg_class,"
" pg_catalog.pg_attrdef d, pg_catalog.pg_namespace "
" WHERE a.attnum > 0"
" AND pg_namespace.oid = pg_class.relnamespace"
" AND NOT a.attisdropped"
" AND a.attnotnull"
" AND a.attrelid = pg_class.oid"
" AND d.adrelid = a.attrelid"
" AND d.adnum = a.attnum"
" AND pg_catalog.pg_get_expr(d.adbin, d.adrelid) ~* 'nextval'"
" AND a.atthasdef "
"ORDER BY relname;" ;
XSqlQuery relq;
relq.prepare(sql);
QString maxStr = "SELECT MAX(<? literal(\"attname\" ?>) AS maxval "
"FROM <? literal(\"tablename\") ?>;" ;
XSqlQuery maxq;
QString seqStr = "SELECT last_value AS currval FROM <? literal(\"seq\") ?>;" ;
XSqlQuery seqq;
XTreeWidgetItem *last = 0;
int rows = 0;
int maxval = 0;
int currval = 0;
int errors = 0;
relq.exec();
while (relq.next())
{
ParameterList params;
params.append("attname", relq.value("attname").toString());
params.append("tablename", relq.value("tablename").toString());
params.append("seq", relq.value("seq").toString());
MetaSQLQuery maxMql = MetaSQLQuery(maxStr);
maxq = maxMql.toQuery(params);
if (maxq.first())
maxval = maxq.value("maxval").toInt();
else if (maxq.lastError().type() != QSqlError::NoError)
{
systemError(this, maxq.lastError().databaseText(), __FILE__, __LINE__);
continue;
}
MetaSQLQuery seqMql = MetaSQLQuery(seqStr);
seqq = seqMql.toQuery(params);
if (seqq.first())
currval = seqq.value("currval").toInt();
else if (seqq.lastError().type() != QSqlError::NoError)
{
systemError(this, seqq.lastError().databaseText(), __FILE__, __LINE__);
continue;
}
rows++;
if (maxval > currval)
errors++;
if ((_showProblems->isChecked() && maxval > currval) ||
! _showProblems->isChecked())
{
last = new XTreeWidgetItem(_serial, last, rows, maxval > currval ? 1 : 0,
relq.value("nspname"),
relq.value("relname"),
relq.value("attname"),
relq.value("seq"),
maxval,
currval);
if (maxval > currval)
last->setTextColor("red");
}
}
QApplication::restoreOverrideCursor();
if (relq.lastError().type() != QSqlError::NoError)
{
systemError(this, relq.lastError().databaseText(), __FILE__, __LINE__);
return;
}
if (errors > 0)
_statusLit->setText(QObject::tr("Found %1 tables with mismatched serial values.")
.arg(errors));
else
_statusLit->setText(QObject::tr("No problems found"));
_fixAll->setEnabled(errors > 0);
}
MetaSQLQuery mqlLoad(const QString &group, const QString &name, bool *valid)
{
return MetaSQLQuery(MQLUtil::mqlLoad(group, name, _lastError, valid));
}
