sedk-mysql/dist/src/SelectItemInfo.js

Simple SQL builder and validator for MySQL

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SelectItemInfo = void 0;
const database_1 = require("./database");
const models_1 = require("./models");
const util_1 = require("./util");
const AggregateFunction_1 = require("./AggregateFunction");
const ItemInfo_1 = require("./ItemInfo");
class SelectItemInfo extends ItemInfo_1.ItemInfo {
    constructor(selectItem, alias) {
        super(alias);
        this.selectItem = selectItem;
        this.alias = alias;
    }
    getColumns() {
        if (this.selectItem instanceof database_1.Column) {
            return [this.selectItem];
        }
        else if (this.selectItem instanceof models_1.Expression) {
            return this.selectItem.getColumns();
        }
        else if (this.selectItem instanceof AggregateFunction_1.AggregateFunction) {
            return this.selectItem.getColumns();
        } // after this selectItem is always Asterisk or Binder
        return [];
    }
    getStmt(data, artifacts, binderStore) {
        if (this.alias !== undefined) {
            // escape double quote by repeating it
            const escapedAlias = (0, util_1.escapeBackTick)(this.alias);
            const asString = (data.option.addAsBeforeColumnAlias === 'always') ? ' AS' : '';
            return `${this.selectItem.getStmt(data, artifacts, binderStore)}${asString} \`${escapedAlias}\``;
        }
        return `${this.selectItem.getStmt(data, artifacts, binderStore)}`;
    }
}
exports.SelectItemInfo = SelectItemInfo;
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