public List<Replacements> GetReplacements(List<QuerySpecification> queries)
{
var replacements = new List<Replacements>();
if (queries.Count < 1)
return replacements;
//as we iterate through tokens we only need the outermost query...
var spec = queries.First();
TSqlParserToken lastToken = null;
foreach (var token in spec.ScriptTokenStream)
{
if (token.TokenType == TSqlTokenType.EqualsSign && lastToken != null && lastToken.TokenType == TSqlTokenType.Bang)
{
var replacement = new Replacements();
var length = (token.Offset + token.Text.Length) - lastToken.Offset;
replacement.Original = _script.Substring(lastToken.Offset, length);
replacement.OriginalFragment = spec;
replacement.OriginalLength = length;
replacement.OriginalOffset = lastToken.Offset;
replacement.Replacement = "<>";
replacements.Add(replacement);
lastToken = token;
}
switch (token.TokenType)
{
case TSqlTokenType.WhiteSpace:
case TSqlTokenType.MultilineComment:
case TSqlTokenType.SingleLineComment:
break;
default:
lastToken = token;
break;
}
}
return replacements;
}
public List<Replacements> GetReplacements(List<DeleteSpecification> statements)
{
var replacements = new List<Replacements>();
foreach (var delete in statements)
{
if (delete.TopRowFilter == null)
{
var newStatement = buildChunkedDelete(delete);
var replacement = new Replacements();
replacement.Original = _script.Substring(delete.StartOffset, delete.FragmentLength);
replacement.OriginalFragment = delete;
replacement.OriginalLength = delete.FragmentLength;
replacement.OriginalOffset = delete.StartOffset;
replacement.Replacement = newStatement;
replacements.Add(replacement);
}
}
return replacements;
}
public List<Replacements> GetReplacements(List<TableDescriptor> dacTables)
{
var replacements = new List<Replacements>();
foreach (var table in _tables)
{
var addedDbo = false;
var tableName = table.SchemaObject;
if (table.SchemaObject.SchemaIdentifier == null)
{
tableName.Identifiers.Insert(0,new Identifier() {Value = "dbo"});;
addedDbo = true;
}
var dacTable = dacTables.FirstOrDefault(p => p.Name.EqualsObjectIdentifierInsensitive(tableName) );
if (dacTable == null)
continue;
if (!dacTable.Name.EqualsObjectIdentifier(tableName))
{ //same table different case
var replacement = new Replacements();
replacement.OriginalOffset = table.StartOffset;
replacement.OriginalFragment = table;
replacement.OriginalLength = table.FragmentLength;
replacement.Replacement = addedDbo ? dacTable.Name.GetName().CorrectQuote(tableName.BaseIdentifier.QuoteType) :
string.Format("{0}.{1}", dacTable.Name.GetSchema().CorrectQuote(tableName.SchemaIdentifier.QuoteType), dacTable.Name.GetName().CorrectQuote(tableName.BaseIdentifier.QuoteType));
replacements.Add(replacement);
}
if (addedDbo)
tableName.Identifiers.RemoveAt(0);
}
return replacements;
}
public List<Replacements> GetReplacements(List<QuerySpecification> queries)
{
var replacements = new List<Replacements>();
var uniquifier = new Dictionary<string, object>();
foreach (var spec in queries)
{
var key = string.Format("{0}:{1}", spec.StartOffset, spec.FragmentLength);
if (uniquifier.ContainsKey(key))
continue;
uniquifier.Add(key, null);
if (spec.OrderByClause == null)
continue;
if (spec.OrderByClause.OrderByElements.Any(p => p.Expression is IntegerLiteral))
{
var integerOrderClauses = spec.OrderByClause.OrderByElements.Where(p => p.Expression is IntegerLiteral);
var ordinalNames = spec.SelectElements;
foreach (var ordinal in integerOrderClauses)
{
var position = Int32.Parse((ordinal.Expression as IntegerLiteral).Value);
for (var i = 0; i < ordinalNames.Count; i++)
{
if (ordinalNames[i] is SelectStarExpression)
return null; //can't re-write as we don't know what the ordinal relates to :(
if (position - 1 == i)
{
if (!(ordinalNames[i] is SelectScalarExpression))
{
return null; //col ref is something else??
}
var replacement = new Replacements();
replacement.Original = (ordinal.Expression as IntegerLiteral).Value;
replacement.OriginalFragment = ordinal;
replacement.OriginalLength = ordinal.Expression.FragmentLength;
replacement.OriginalOffset = ordinal.Expression.StartOffset;
var expression = ordinalNames[i] as SelectScalarExpression;
if (expression.ColumnName != null && !String.IsNullOrEmpty(expression.ColumnName.Value))
{
replacement.Replacement = expression.ColumnName.Value;
}
else
{
replacement.Replacement =
(expression.Expression as ColumnReferenceExpression).MultiPartIdentifier
.ToNameString();
}
replacements.Add(replacement);
break;
}
}
}
}
}
return replacements;
}
public List <Replacements> GetReplacements(List <QuerySpecification> queries)
{
var replacements = new List <Replacements>();
var uniquifier = new Dictionary <string, object>();
foreach (var spec in queries)
{
var key = string.Format("{0}:{1}", spec.StartOffset, spec.FragmentLength);
if (uniquifier.ContainsKey(key))
{
continue;
}
uniquifier.Add(key, null);
if (spec.OrderByClause == null)
{
continue;
}
if (spec.OrderByClause.OrderByElements.Any(p => p.Expression is IntegerLiteral))
{
var integerOrderClauses = spec.OrderByClause.OrderByElements.Where(p => p.Expression is IntegerLiteral);
var ordinalNames = spec.SelectElements;
foreach (var ordinal in integerOrderClauses)
{
var position = Int32.Parse((ordinal.Expression as IntegerLiteral).Value);
for (var i = 0; i < ordinalNames.Count; i++)
{
if (ordinalNames[i] is SelectStarExpression)
{
return(null); //can't re-write as we don't know what the ordinal relates to :(
}
if (position - 1 == i)
{
if (!(ordinalNames[i] is SelectScalarExpression))
{
return(null); //col ref is something else??
}
var replacement = new Replacements();
replacement.Original = (ordinal.Expression as IntegerLiteral).Value;
replacement.OriginalFragment = ordinal;
replacement.OriginalLength = ordinal.Expression.FragmentLength;
replacement.OriginalOffset = ordinal.Expression.StartOffset;
var expression = ordinalNames[i] as SelectScalarExpression;
if (expression.ColumnName != null && !String.IsNullOrEmpty(expression.ColumnName.Value))
{
replacement.Replacement = expression.ColumnName.Value;
}
else
{
replacement.Replacement =
(expression.Expression as ColumnReferenceExpression).MultiPartIdentifier
.ToNameString();
}
replacements.Add(replacement);
break;
}
}
}
}
}
return(replacements);
}
public ClippyReplacementOperation(Replacements replacement)
{
_replacement = replacement;
}
