public override object VisitUpdate_stmt([NotNull] SqlParser.Update_stmtContext context)
{
var statement = new UpdateStatement();
if (context.set_clause() != null)
{
statement.Assignments = new List <AssignExpression>();
foreach (var item in context.set_clause().expr())
{
var assignment = (IExpression)VisitExpr(item);
statement.Assignments.Add(new AssignExpression
{
Column = (ColumnExpression)assignment.SubExpressions[0],
Value = assignment.SubExpressions[1]
});
}
}
if (context.qualified_table_name() != null)
{
statement.Table = (TableName)VisitQualified_table_name(context.qualified_table_name());
}
if (context.where_clause() != null)
{
statement.Where = (IExpression)VisitWhere_clause(context.where_clause());
}
return(statement);
}
/// <summary>
/// Visit a parse tree produced by <see cref="SqlParser.update_stmt"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitUpdate_stmt([NotNull] SqlParser.Update_stmtContext context)
{
return(VisitChildren(context));
}