refql/build/RQLTag/IsNull.js

A Node.js and Deno library for composing and running SQL queries.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const consts_1 = require("../common/consts");
const Raw_1 = __importDefault(require("../SQLTag/Raw"));
const sql_1 = require("../SQLTag/sql");
const Operation_1 = require("./Operation");
const type = "refql/IsNull";
const prototype = Object.assign({}, Operation_1.operationPrototype, {
    constructor: IsNull,
    [consts_1.refqlType]: type,
    interpret
});
function IsNull(notIsNull = false) {
    let isNull = Object.create(prototype);
    isNull.notIsNull = notIsNull;
    return isNull;
}
function interpret(col, displayAnd) {
    const { notIsNull } = this;
    const equality = notIsNull ? "is not null" : "is null";
    return (0, sql_1.sqlX) `
    ${(0, Raw_1.default)(displayAnd ? "and " : "")}${col} ${(0, Raw_1.default)(equality)}
  `;
}
IsNull.isNull = function (x) {
    return x != null && x[consts_1.refqlType] === type;
};
exports.default = IsNull;