public static PrimarSqlSetColumnExpressionNode VisitUpdatedElement(UpdatedElementContext context)
{
var column = IdentifierVisitor.VisitFullColumnName(context.fullColumnName());
var assignNode = new PrimarSqlSetColumnExpressionNode
{
Target = column.Name,
};
assignNode.Accessors.AddRange(column.Accessors);
QsiExpressionNode expression;
if (context.expression() != null)
{
expression = VisitExpression(context.expression());
}
else if (context.arrayExpression() != null)
{
expression = VisitArrayExpression(context.arrayExpression());
}
else if (context.arrayAddExpression() != null)
{
expression = VisitArrayAddExpression(context.arrayAddExpression());
}
else
{
expression = TreeHelper.CreateNullLiteral();
}
assignNode.Value.SetValue(expression);
PrimarSqlTree.PutContextSpan(assignNode, context);
return(assignNode);
}
private static QsiColumnExpressionNode VisitFullColumnName(FullColumnNameContext context)
{
return(TreeHelper.Create <QsiColumnExpressionNode>(n =>
{
n.Column.SetValue(IdentifierVisitor.VisitFullColumnName(context));
PrimarSqlTree.PutContextSpan(n.Column.Value, context);
PrimarSqlTree.PutContextSpan(n, context);
}));
}
public static PrimarSqlSetColumnExpressionNode VisitRemovedElement(RemovedElementContext context)
{
var column = IdentifierVisitor.VisitFullColumnName(context.fullColumnName());
var assignNode = new PrimarSqlSetColumnExpressionNode
{
Target = column.Name,
};
assignNode.Accessors.AddRange(column.Accessors);
PrimarSqlTree.PutContextSpan(assignNode, context);
return(assignNode);
}
public static QsiColumnNode VisitSelectColumnElement(SelectColumnElementContext context)
{
var nameContext = context.fullColumnName();
var column = IdentifierVisitor.VisitFullColumnName(nameContext);
if (context.alias == null)
{
return(column);
}
return(TreeHelper.Create <QsiDerivedColumnNode>(n =>
{
n.Column.SetValue(column);
n.Alias.SetValue(CreateAliasNode(context.alias));
}));
}