sql/test/dialects/cast-tests.js

sql builder

'use strict';

var Harness = require('./support');
var customer = Harness.defineCustomerTable();
var post = Harness.definePostTable();
var Table = require(__dirname + '/../../lib/table');

// Cast columns.
Harness.test({
  query: customer.select(customer.age.cast('int')),
  pg: {
    text  : 'SELECT CAST("customer"."age" AS int) FROM "customer"',
    string: 'SELECT CAST("customer"."age" AS int) FROM "customer"'
  },
  sqlite: {
    text  : 'SELECT CAST("customer"."age" AS int) FROM "customer"',
    string: 'SELECT CAST("customer"."age" AS int) FROM "customer"'
  },
  mysql: {
    text  : 'SELECT CAST(`customer`.`age` AS int) FROM `customer`',
    string: 'SELECT CAST(`customer`.`age` AS int) FROM `customer`'
  },
  params: []
});

Harness.test({
  query: customer.select(customer.name.cast('varchar(10)')),
  pg: {
    text  : 'SELECT CAST("customer"."name" AS varchar(10)) FROM "customer"',
    string: 'SELECT CAST("customer"."name" AS varchar(10)) FROM "customer"'
  },
  sqlite: {
    text  : 'SELECT CAST("customer"."name" AS varchar(10)) FROM "customer"',
    string: 'SELECT CAST("customer"."name" AS varchar(10)) FROM "customer"'
  },
  mysql: {
    text  : 'SELECT CAST(`customer`.`name` AS varchar(10)) FROM `customer`',
    string: 'SELECT CAST(`customer`.`name` AS varchar(10)) FROM `customer`'
  },
  params: []
});

// Cast binary expressions.
Harness.test({
  query: customer.select(customer.name.plus(customer.age).cast('varchar(15)')),
  pg: {
    text  : 'SELECT CAST(("customer"."name" + "customer"."age") AS varchar(15)) FROM "customer"',
    string: 'SELECT CAST(("customer"."name" + "customer"."age") AS varchar(15)) FROM "customer"',
  },
  sqlite: {
    text  : 'SELECT CAST(("customer"."name" + "customer"."age") AS varchar(15)) FROM "customer"',
    string: 'SELECT CAST(("customer"."name" + "customer"."age") AS varchar(15)) FROM "customer"',
  },
  mysql: {
    text  : 'SELECT CAST((`customer`.`name` + `customer`.`age`) AS varchar(15)) FROM `customer`',
    string: 'SELECT CAST((`customer`.`name` + `customer`.`age`) AS varchar(15)) FROM `customer`',
  },
  params: []
});

// Cast cast expressions.
Harness.test({
  query: customer.select(customer.name.cast('varchar(15)').cast('varchar(10)')),
  pg: {
    text  : 'SELECT CAST(CAST("customer"."name" AS varchar(15)) AS varchar(10)) FROM "customer"',
    string: 'SELECT CAST(CAST("customer"."name" AS varchar(15)) AS varchar(10)) FROM "customer"'
  },
  sqlite: {
    text  : 'SELECT CAST(CAST("customer"."name" AS varchar(15)) AS varchar(10)) FROM "customer"',
    string: 'SELECT CAST(CAST("customer"."name" AS varchar(15)) AS varchar(10)) FROM "customer"'
  },
  mysql: {
    text  : 'SELECT CAST(CAST(`customer`.`name` AS varchar(15)) AS varchar(10)) FROM `customer`',
    string: 'SELECT CAST(CAST(`customer`.`name` AS varchar(15)) AS varchar(10)) FROM `customer`'
  },
  params: []
});

// Cast in WHERE.
Harness.test({
  query: customer.select(customer.name).where(customer.age.cast('int').plus(100).equals(150)),
  pg: {
    text  : 'SELECT "customer"."name" FROM "customer" WHERE ((CAST("customer"."age" AS int) + $1) = $2)',
    string: 'SELECT "customer"."name" FROM "customer" WHERE ((CAST("customer"."age" AS int) + 100) = 150)'
  },
  sqlite: {
    text  : 'SELECT "customer"."name" FROM "customer" WHERE ((CAST("customer"."age" AS int) + $1) = $2)',
    string: 'SELECT "customer"."name" FROM "customer" WHERE ((CAST("customer"."age" AS int) + 100) = 150)'
  },
  mysql: {
    text  : 'SELECT `customer`.`name` FROM `customer` WHERE ((CAST(`customer`.`age` AS int) + ?) = ?)',
    string: 'SELECT `customer`.`name` FROM `customer` WHERE ((CAST(`customer`.`age` AS int) + 100) = 150)'
  },
  params: [100, 150]
});

// Alias cast.
Harness.test({
  query: customer.select(customer.age.cast('int').as('age_int')),
  pg: {
    text  : 'SELECT CAST("customer"."age" AS int) AS "age_int" FROM "customer"',
    string: 'SELECT CAST("customer"."age" AS int) AS "age_int" FROM "customer"'
  },
  sqlite: {
    text  : 'SELECT CAST("customer"."age" AS int) AS "age_int" FROM "customer"',
    string: 'SELECT CAST("customer"."age" AS int) AS "age_int" FROM "customer"'
  },
  mysql: {
    text  : 'SELECT CAST(`customer`.`age` AS int) AS `age_int` FROM `customer`',
    string: 'SELECT CAST(`customer`.`age` AS int) AS `age_int` FROM `customer`'
  },
  params: []
});