/// <summary>
/// Verifies that all SQL queries associated with the current command text
/// can be successfully compiled. A <see cref="SQLiteException" /> will be
/// raised if any errors occur.
/// </summary>
public void VerifyOnly()
{
CheckDisposed();
SQLiteConnection connection = _cnn;
SQLiteConnection.Check(connection); /* throw */
SQLiteBase sqlBase = connection._sql;
if ((connection == null) || (sqlBase == null))
{
throw new SQLiteException("invalid or unusable connection");
}
List <SQLiteStatement> statements = null;
SQLiteStatement currentStatement = null;
try
{
string text = _commandText;
uint timeout = (uint)(_commandTimeout * 1000);
SQLiteStatement previousStatement = null;
while ((text != null) && (text.Length > 0))
{
currentStatement = sqlBase.Prepare(
connection, text, previousStatement, timeout,
ref text); /* throw */
previousStatement = currentStatement;
if (currentStatement != null)
{
if (statements == null)
{
statements = new List <SQLiteStatement>();
}
statements.Add(currentStatement);
currentStatement = null;
}
if (text == null)
{
continue;
}
text = text.Trim();
}
}
finally
{
if (currentStatement != null)
{
currentStatement.Dispose();
currentStatement = null;
}
if (statements != null)
{
foreach (SQLiteStatement statement in statements)
{
if (statement == null)
{
continue;
}
statement.Dispose();
}
statements.Clear();
statements = null;
}
}
}
