#include "addcol.h"
#include "ui_addcol.h"

AddCol::AddCol(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::AddCol)
{
    ui->setupUi(this);
}

AddCol::~AddCol()
{
    delete ui;
}

void AddCol::get_table_name(QString s) {
    table_name = s;
}

void AddCol::on_finished_btn_clicked()
{
    if (ui->col_name_edit->text() == "") {
        QMessageBox::warning(this, "警告", "请填写你需要添加的列名！");
        return;
    }
    if (ui->datatype->currentText() == "VARCHAR") {
        if (ui->varchar_n->text() == "") {
            QMessageBox::warning(this, "警告", "请输入你varchar的n值！");
            return;
        } else {
            col_type = ui->datatype->currentText() + "(" + ui->varchar_n->text() + ")";
        }
    } else {
        col_type = ui->datatype->currentText();
    }
    col_name = ui->col_name_edit->text();
    QString stm = "alter table " + table_name + " add " + col_name + " " + col_type + ";";
    emit(send_stm_alter(stm));
    this->close();
}