/// <summary>
/// Executes the batch text given the text span
/// </summary>
/// <param name="batchScript"></param>
/// <param name="textSpan"></param>
/// <param name="continueProcessing"></param>
private void ExecuteBatchTextSpanInternal(string batchScript, TextSpan textSpan, out bool continueProcessing)
{
Debug.Assert(!String.IsNullOrEmpty(batchScript));
continueProcessing = true;
if (batchScript.Trim().Length <= 0)
{
result |= ScriptExecutionResult.Success;
return;
}
Debug.Assert(currentBatch != null);
if (executionState == ExecutionState.Cancelling)
{
result = ScriptExecutionResult.Cancel;
}
else
{
currentBatch.Reset();
currentBatch.Text = batchScript;
currentBatch.TextSpan = textSpan;
currentBatch.BatchIndex = currentBatchIndex;
currentBatchIndex++;
if (conditions != null)
{
currentBatch.IsSuppressProviderMessageHeaders = conditions.IsSuppressProviderMessageHeaders;
// TODO this is associated with Dacfx specific situations, so uncomment if need be
//currentBatch.IsScriptExecutionTracked = conditions.IsScriptExecutionTracked;
if (conditions.IsScriptExecutionTracked)
{
currentBatch.ScriptTrackingId = scriptTrackingId++;
}
}
//ExecutingBatch state means currentBatch is valid to use from another thread to Cancel
executionState = ExecutionState.ExecutingBatch;
}
ScriptExecutionResult batchResult = ScriptExecutionResult.Failure;
if (result != ScriptExecutionResult.Cancel)
{
bool isExecutionDiscarded = false;
try
{
RaiseBatchParserExecutionStarted(currentBatch, textSpan);
if (!isLocalParse)
{
batchResult = DoBatchExecution(currentBatch);
}
else
{
batchResult = ScriptExecutionResult.Success;
}
}
finally
{
isExecutionDiscarded = (executionState == ExecutionState.Discarded);
if (executionState == ExecutionState.Cancelling || isExecutionDiscarded)
{
batchResult = ScriptExecutionResult.Cancel;
}
else
{
executionState = ExecutionState.Executing;
}
}
if (!isExecutionDiscarded)
{
RaiseBatchParserExecutionFinished(currentBatch, batchResult);
}
}
else
{
batchResult = ScriptExecutionResult.Cancel;
}
//if we're in Cancel or Halt state, do some special actions
if (batchResult == ScriptExecutionResult.Cancel || batchResult == ScriptExecutionResult.Halted)
{
result = batchResult;
continueProcessing = false;
return;
}
else
{
result |= batchResult;
}
}
/// <summary>
/// Called when an error message came from SqlClient
/// </summary>
/// <param name="message"></param>
/// <param name="description"></param>
/// <param name="line"></param>
/// <param name="textSpan"></param>
private void RaiseBatchError(string message, SqlError error, TextSpan textSpan)
{
BatchErrorEventArgs args = new BatchErrorEventArgs(message, error, textSpan, null);
RaiseBatchError(args);
}