public override object VisitSql_stmt([NotNull] SqlParser.Sql_stmtContext context)
{
if (context.exception != null)
{
throw new SQLParseException($"Incorrect syntax in the sql statement.");
}
ISQLStatement statement;
queryTableStack.Push(new Dictionary <string, string>());
queryColumnStack.Push(new Dictionary <string, ColumnExpression>());
if (context.factored_select_stmt() != null)
{
statement = (SelectStatement)VisitFactored_select_stmt(context.factored_select_stmt());
}
else if (context.update_stmt() != null)
{
statement = (UpdateStatement)VisitUpdate_stmt(context.update_stmt());
}
else if (context.insert_stmt() != null)
{
statement = (InsertStatement)VisitInsert_stmt(context.insert_stmt());
}
else if (context.delete_stmt() != null)
{
statement = (DeleteStatement)VisitDelete_stmt(context.delete_stmt());
}
else
{
statement = (ISQLStatement)VisitChildren(context);
}
queryTableStack.Pop();
queryColumnStack.Pop();
return(statement);
}
/// <summary>
/// Visit a parse tree produced by <see cref="SqlParser.sql_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 VisitSql_stmt([NotNull] SqlParser.Sql_stmtContext context)
{
return(VisitChildren(context));
}
