private void RewriteNonSargableIsNull(object sender, EventArgs e)
{
try
{
var oldDoc = GetCurrentDocumentText();
var newDoc = oldDoc;
var rewriter = new NonSargableRewrites(oldDoc);
var queries = ScriptDom.GetQuerySpecifications(oldDoc);
foreach (var rep in rewriter.GetReplacements(queries))
{
newDoc = newDoc.Replace(rep.Original, rep.Replacement);
OutputPane.WriteMessage("Non-Sargable IsNull re-written from \r\n\"{0}\" \r\nto\r\n\"{1}\"\r\n", rep.Original, rep.Replacement);
}
if (oldDoc != newDoc)
{
SetCurrentDocumentText(newDoc);
}
}
catch (Exception ex)
{
OutputPane.WriteMessage("Error re-writing non sargable isnulls {0}", ex.Message);
}
}
private List <GlyphDefinition> GetGlyphDefinitions(List <TSqlStatement> statements, string script)
{
var definitions = new List <GlyphDefinition>();
foreach (var statement in statements)
{
var definition = new GlyphDefinition();
definition.Line = statement.StartLine;
definition.StatementOffset = statement.StartOffset;
definition.Type = GlyphDefinitonType.Normal;
definition.LineCount = statement.ScriptTokenStream.LastOrDefault().Line - definition.Line;
definition.StatementLength = statement.FragmentLength;
var fragment = script.Substring(statement.StartOffset, statement.FragmentLength);
var queriesInStatement = ScriptDom.GetQuerySpecifications(fragment);
var deletes = ScriptDom.GetDeleteStatements(fragment);
foreach (var operation in _operations)
{
try
{
definition = operation.GetDefintions(fragment, statement, definition, queriesInStatement);
definition = operation.GetDefintions(fragment, statement, definition, deletes);
definition = operation.GetDefinitions(fragment, statement, definition, new List <TSqlStatement>()
{
statement
});
}
catch (Exception e)
{
}
}
definitions.Add(definition);
}
return(definitions);
}
