protected virtual ValueTask <IQsiAnalysisResult> ExecuteDropPrepareAction(IAnalyzerContext context, IQsiDropPrepareActionNode action)
{
var refAction = new QsiReferenceAction
{
Type = QsiReferenceType.Prepared,
Operation = QsiReferenceOperation.Delete,
IsolationLevel = QsiReferenceIsolationLevel.Session,
Target = action.Identifier
};
return(refAction.ToResult().AsValueTask());
}
protected virtual ValueTask <IQsiAnalysisResult> ExecutePrepareAction(IAnalyzerContext context, IQsiPrepareActionNode action)
{
string query;
switch (action.Query)
{
case IQsiLiteralExpressionNode {
Type: QsiDataType.String
} literal:
query = literal.Value?.ToString();
break;
case IQsiVariableExpressionNode variableAccess:
var variable = context.Engine.RepositoryProvider.LookupVariable(variableAccess.Identifier) ??
throw new QsiException(QsiError.UnknownVariable, variableAccess.Identifier);
if (variable.Type != QsiDataType.String)
{
throw new InvalidOperationException();
}
query = variable.Value.ToString();
break;
default:
throw new InvalidOperationException();
}
var scriptType = context.Engine.ScriptParser.GetSuitableType(query);
var refAction = new QsiReferenceAction
{
Type = QsiReferenceType.Prepared,
Operation = QsiReferenceOperation.Create,
IsolationLevel = QsiReferenceIsolationLevel.Session,
Target = action.Identifier,
Definition = new QsiScript(query, scriptType)
};
return(refAction.ToResult().AsValueTask());
}