public IQsiDefinitionNode VisitViewStatementBody(ViewStatementBody viewStatementBody)
{
if (viewStatementBody is not(CreateViewStatement or CreateOrAlterViewStatement))
{
throw TreeHelper.NotSupportedTree(viewStatementBody);
}
var node = new SqlServerViewDefinitionNode
{
IsAlter = viewStatementBody is CreateOrAlterViewStatement,
IsMaterialiazed = viewStatementBody.IsMaterialized,
WithCheckOption = viewStatementBody.WithCheckOption,
ViewOptions = viewStatementBody.ViewOptions?.Select(option => option.OptionKind.ToString()).ToArray(),
Identifier = IdentifierVisitor.CreateQualifiedIdentifier(viewStatementBody.SchemaObjectName)
};
if (ListUtility.IsNullOrEmpty(viewStatementBody.Columns))
{
node.Columns.SetValue(TreeHelper.CreateAllColumnsDeclaration());
}
else
{
var columnsDeclaration = new QsiColumnsDeclarationNode();
columnsDeclaration.Columns.AddRange(TableVisitor.CreateSequentialColumnNodes(viewStatementBody.Columns));
node.Columns.SetValue(columnsDeclaration);
}
node.Source.SetValue(TableVisitor.VisitSelectStatement(viewStatementBody.SelectStatement));
SqlServerTree.PutFragmentSpan(node, viewStatementBody);
return(node);
}
public QsiTableNode VisitStatementBody(ViewStatementBody viewStatementBody)
{
switch (viewStatementBody)
{
case CreateViewStatement createViewStatement:
return(VisitCreateViewStatement(createViewStatement));
}
throw TreeHelper.NotSupportedTree(viewStatementBody);
}
public override void ExplicitVisit(ViewStatementBody fragment)
{
_fragments.Add(fragment);
}
private void ProcessViewStatementBody(TSqlStatement sqlStatement)
{
ViewStatementBody aViewStatementBody = (ViewStatementBody)sqlStatement;
AddLogText("Columns:");
foreach (Identifier aColumnIdentifier in aViewStatementBody.Columns)
{
AddLogText(string.Format("Column:{0}", aColumnIdentifier.Value));
aColumnInfoList.ColumnList.Add(new ColumnInfo {
Alias = aColumnIdentifier.Value
});
}
AddLogText("");
AddLogText("QueryExpression SelectElements:");
SelectStatement aSelectStatement = aViewStatementBody.SelectStatement;
QueryExpression aQueryExpression = aSelectStatement.QueryExpression;
if (aQueryExpression.GetType() == typeof(QuerySpecification))
{
QuerySpecification aQuerySpecification = (QuerySpecification)aQueryExpression;
int aSelectElementID = 0;
foreach (SelectElement aSelectElement in aQuerySpecification.SelectElements)
{
if (aSelectElement.GetType() == typeof(SelectScalarExpression))
{
SelectScalarExpression aSelectScalarExpression = (SelectScalarExpression)aSelectElement;
string identStr = string.Empty;
IdentifierOrValueExpression aIdentifierOrValueExpression =
aSelectScalarExpression.ColumnName;
if (aIdentifierOrValueExpression != null)
{
if (aIdentifierOrValueExpression.ValueExpression == null)
{
AddLogText(string.Format("Identifier={0}",
aIdentifierOrValueExpression.Identifier.Value));
identStr = aIdentifierOrValueExpression.Identifier.Value;
}
else
{
AddLogText("Expression");
}
}
aColumnInfoList.AddIfNeeded(aSelectElementID, identStr);
ScalarExpression aScalarExpression = aSelectScalarExpression.Expression;
PrintSelectScalarExperssionRecurse(aSelectElementID, aScalarExpression);
}
else
{
aColumnInfoList.AddIfNeeded(aSelectElementID,
"Error, something else than SelectScalarExpression found");
AddLogText("We only support SelectScalarExpression.");
}
aSelectElementID = aSelectElementID + 1;
AddLogText("");
}
AddLogText("");
AddLogText("Table References:");
FromClause aFromClause = aQuerySpecification.FromClause;
foreach (TableReference aTableReference in aFromClause.TableReferences)
{
PrintTableReferenceRecurse(aTableReference);
}
}
aColumnInfoList.FillEmptyAlias();
}//function
public sealed override void ExplicitVisit(ViewStatementBody node)
{
base.ExplicitVisit(node);
}
public sealed override void Visit(ViewStatementBody node)
{
base.Visit(node);
}
public override void ExplicitVisit(ViewStatementBody node) { this.action(node); }
public void ProcessViewStatementBody(ViewStatementBody StatementBody)
{
TestViewReference(StatementBody.SchemaObjectName);
new SelectStatementProcessor(_smells).Process(StatementBody.SelectStatement, "VW", true);
}
