diff options
Diffstat (limited to 'src/plugins/sqldrivers/psql/qsql_psql.cpp')
| -rw-r--r-- | src/plugins/sqldrivers/psql/qsql_psql.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp index 35b0f9a3e3..c381572713 100644 --- a/src/plugins/sqldrivers/psql/qsql_psql.cpp +++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp @@ -183,6 +183,7 @@ public: void setDatestyle(); void setByteaOutput(); void detectBackslashEscape(); + mutable QHash<int, QString> oidToTable; }; void QPSQLDriverPrivate::appendTables(QStringList &tl, QSqlQuery &t, QChar type) @@ -553,11 +554,16 @@ QSqlRecord QPSQLResult::record() const f.setName(QString::fromUtf8(PQfname(d->result, i))); else f.setName(QString::fromLocal8Bit(PQfname(d->result, i))); - QSqlQuery qry(driver()->createResult()); - if (qry.exec(QStringLiteral("SELECT relname FROM pg_class WHERE pg_class.oid = %1") - .arg(PQftable(d->result, i))) && qry.next()) { - f.setTableName(qry.value(0).toString()); + const int tableOid = PQftable(d->result, i); + auto &tableName = d->drv_d_func()->oidToTable[tableOid]; + if (tableName.isEmpty()) { + QSqlQuery qry(driver()->createResult()); + if (qry.exec(QStringLiteral("SELECT relname FROM pg_class WHERE pg_class.oid = %1") + .arg(tableOid)) && qry.next()) { + tableName = qry.value(0).toString(); + } } + f.setTableName(tableName); int ptype = PQftype(d->result, i); f.setType(qDecodePSQLType(ptype)); int len = PQfsize(d->result, i); |