//========================================================================================
// EnsurePlanTable()
//========================================================================================
private bool EnsurePlanTable(Query query, string tableName)
{
bool confirmed = false;
string sql
= "SELECT table_name"
+ " FROM All_Tables"
+ " WHERE owner='" + dbase.DefaultSchema
+ "' AND table_name='" + tableName
+ "'";
using (var cmd = new OracleCommand(sql, dbase.OraConnection))
{
using (var reader = cmd.ExecuteReader())
{
confirmed = reader.Read();
reader.Close();
}
if (!confirmed)
{
sql = River.Orqa.Properties.Resources.ExplainPlanTable;
var parser = new StatementParser();
StatementCollection statements = parser.Parse(sql.Replace("PLAN_TABLE", tableName));
cmd.CommandText = statements[0];
try
{
int count = cmd.ExecuteNonQuery();
confirmed = true;
}
catch (OracleException exc)
{
query.AddMessage(exc);
}
catch (Exception exc)
{
if (exc.Message == String.Empty)
{
query.AddMessage(new Message(Message.MessageType.Error, exc.StackTrace));
}
else
{
query.AddMessage(new Message(Message.MessageType.Error, exc.Message));
}
}
}
}
return(confirmed);
}
//========================================================================================
// ExecuteExternalScript()
//========================================================================================
private void ExecuteExternalScript(Query query)
{
isNested = true;
try
{
string filnam = query.SQL.Substring(1);
if (filnam[filnam.Length - 1] == ';')
{
filnam = filnam.Substring(0, filnam.Length - 1);
}
if (Path.GetDirectoryName(filnam) == String.Empty)
{
filnam = basePath + "\\" + filnam;
}
StreamReader reader = File.OpenText(filnam);
string text = reader.ReadToEnd().Trim();
reader.Close();
if (text.Length == 0)
{
return;
}
string savePath = basePath;
basePath = Path.GetDirectoryName(filnam);
// create nested query collection processing...
var queries = new QueryCollection();
var parser = new StatementParser();
StatementCollection statements = parser.Parse(text);
// build collection of parsed queries
Query q;
System.Collections.Specialized.StringEnumerator e = statements.GetEnumerator();
while (e.MoveNext())
{
q = new Query(e.Current);
parser.ParseStatement(dbase, q, browser);
queries.Add(q);
}
//[end create nested]
// execute query collection
try
{
foreach (Query q2 in queries)
{
ExecuteQuery(q2);
}
}
catch (Exception exc)
{
Dialogs.ExceptionDialog.ShowException(exc);
}
finally
{
basePath = savePath;
}
}
catch (Exception exc)
{
query.AddMessage(exc);
}
isNested = false;
}