private bool AllFieldsAccessed(ResultSet rs)
{
if (rs.Fields == null || rs.Fields.Length == 0)
{
return(true);
}
for (int i = 0; i < rs.Fields.Length; i++)
{
if (!rs.FieldRead(i))
{
return(false);
}
}
return(true);
}
private void ReportUsageAdvisorWarnings(int statementId, ResultSet rs)
{
#if !RT
if (!Settings.UseUsageAdvisor)
{
return;
}
if (HasStatus(ServerStatusFlags.NoIndex))
{
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningNoIndex, driverId, UsageAdvisorWarningFlags.NoIndex);
}
else if (HasStatus(ServerStatusFlags.BadIndex))
{
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningBadIndex, driverId, UsageAdvisorWarningFlags.BadIndex);
}
// report abandoned rows
if (rs.SkippedRows > 0)
{
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningSkippedRows, driverId, UsageAdvisorWarningFlags.SkippedRows, rs.SkippedRows);
}
// report not all fields accessed
if (!AllFieldsAccessed(rs))
{
StringBuilder notAccessed = new StringBuilder("");
string delimiter = "";
for (int i = 0; i < rs.Size; i++)
{
if (!rs.FieldRead(i))
{
notAccessed.AppendFormat("{0}{1}", delimiter, rs.Fields[i].ColumnName);
delimiter = ",";
}
}
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningSkippedColumns, driverId, UsageAdvisorWarningFlags.SkippedColumns,
notAccessed.ToString());
}
// report type conversions if any
if (rs.Fields != null)
{
foreach (MySqlField f in rs.Fields)
{
StringBuilder s = new StringBuilder();
string delimiter = "";
foreach (Type t in f.TypeConversions)
{
s.AppendFormat("{0}{1}", delimiter, t.Name);
delimiter = ",";
}
if (s.Length > 0)
{
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningFieldConversion, driverId, UsageAdvisorWarningFlags.FieldConversion,
f.ColumnName, s.ToString());
}
}
}
#endif
}
private void ReportUsageAdvisorWarnings(int statementId, ResultSet rs)
{
#if !RT
if (!Settings.UseUsageAdvisor) return;
if (HasStatus(ServerStatusFlags.NoIndex))
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningNoIndex, driverId, UsageAdvisorWarningFlags.NoIndex);
else if (HasStatus(ServerStatusFlags.BadIndex))
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningBadIndex, driverId, UsageAdvisorWarningFlags.BadIndex);
// report abandoned rows
if (rs.SkippedRows > 0)
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningSkippedRows, driverId, UsageAdvisorWarningFlags.SkippedRows, rs.SkippedRows);
// report not all fields accessed
if (!AllFieldsAccessed(rs))
{
StringBuilder notAccessed = new StringBuilder("");
string delimiter = "";
for (int i = 0; i < rs.Size; i++)
if (!rs.FieldRead(i))
{
notAccessed.AppendFormat("{0}{1}", delimiter, rs.Fields[i].ColumnName);
delimiter = ",";
}
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningSkippedColumns, driverId, UsageAdvisorWarningFlags.SkippedColumns,
notAccessed.ToString());
}
// report type conversions if any
if (rs.Fields != null)
{
foreach (MySqlField f in rs.Fields)
{
StringBuilder s = new StringBuilder();
string delimiter = "";
foreach (Type t in f.TypeConversions)
{
s.AppendFormat("{0}{1}", delimiter, t.Name);
delimiter = ",";
}
if (s.Length > 0)
MySqlTrace.TraceEvent(TraceEventType.Warning, MySqlTraceEventType.UsageAdvisorWarning,
Resources.TraceUAWarningFieldConversion, driverId, UsageAdvisorWarningFlags.FieldConversion,
f.ColumnName, s.ToString());
}
}
#endif
}
private bool AllFieldsAccessed(ResultSet rs)
{
if (rs.Fields == null || rs.Fields.Length == 0) return true;
for (int i = 0; i < rs.Fields.Length; i++)
if (!rs.FieldRead(i)) return false;
return true;
}