/// <summary>
/// Generates the text for an AllColumns builder.
/// </summary>
/// <param name="item">The AllColumns builder to generate the text for.</param>
protected internal override void VisitAllColumns(AllColumns item)
{
if (item.Source != null)
{
forSourceContext(SourceReferenceType.Reference).visitAliasedSource(item.Source);
writer.Write(".");
}
writer.Write("*");
}
private void buildProjectionItem(MatchResult result, SelectBuilder builder)
{
MatchResult expression = result.Matches[SqlGrammar.ProjectionItem.Expression.Name];
if (expression.IsMatch)
{
MatchResult itemResult = expression.Matches[SqlGrammar.ProjectionItem.Expression.Item];
IProjectionItem item = (IProjectionItem)buildArithmeticItem(itemResult);
string alias = null;
MatchResult aliasExpression = expression.Matches[SqlGrammar.ProjectionItem.Expression.AliasExpression.Name];
if (aliasExpression.IsMatch)
{
MatchResult aliasResult = aliasExpression.Matches[SqlGrammar.ProjectionItem.Expression.AliasExpression.Alias];
alias = getToken(aliasResult);
}
builder.AddProjection(item, alias);
return;
}
MatchResult star = result.Matches[SqlGrammar.ProjectionItem.Star.Name];
if (star.IsMatch)
{
AliasedSource source = null;
MatchResult qualifier = star.Matches[SqlGrammar.ProjectionItem.Star.Qualifier.Name];
if (qualifier.IsMatch)
{
MatchResult columnSource = qualifier.Matches[SqlGrammar.ProjectionItem.Star.Qualifier.ColumnSource];
List<string> parts = new List<string>();
buildMultipartIdentifier(columnSource, parts);
string sourceName = parts[parts.Count - 1];
source = scope.GetSource(sourceName);
}
AllColumns all = new AllColumns(source);
builder.AddProjection(all);
return;
}
throw new InvalidOperationException();
}
/// <summary>
/// Visits an AllColumns builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitAllColumns(AllColumns item)
{
}
/// <summary>
/// Visits an AllColumns builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitAllColumns(AllColumns item)
{
}
