waterline-utils
Version:
Various utilities for working with Waterline queries and adapters.
321 lines (312 loc) • 8.88 kB
JavaScript
var Analyzer = require('../../../index').query.analyzer;
var tokenize = require('../../support/tokenize');
var assert = require('assert');
describe('Analyzer ::', function() {
describe('UNION ALL statements', function() {
it('should generate a valid group for UNIONALL statements', function() {
var tokens = tokenize({
select: ['*'],
from: 'users',
where: {
and: [
{
firstName: 'Bob'
}
]
},
unionAll: [
{
select: ['*'],
from: 'users',
where: {
and: [
{
lastName: 'Smith'
}
]
}
},
{
select: ['*'],
from: 'users',
where: {
and: [
{
middleName: 'Allen'
}
]
}
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'firstName' },
{ type: 'VALUE', value: 'Bob' }
]
],
[
{ type: 'UNION', value: 'UNIONALL' },
[
[
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'lastName' },
{ type: 'VALUE', value: 'Smith' }
]
]
],
[
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'middleName' },
{ type: 'VALUE', value: 'Allen' }
]
]
]
]
]
]);
});
it('should generate a valid group with joins inside UNIONALL statements', function() {
var tokens = tokenize({
select: ['*'],
from: 'users',
where: {
and: [
{
firstName: 'Bob'
}
]
},
unionAll: [
{
select: ['*'],
from: 'users',
where: {
and: [
{
lastName: 'Smith'
}
]
},
join: [
{
from: 'books',
on: {
books: 'book_id',
users: 'id'
}
}
]
},
{
select: ['*'],
from: 'users',
where: {
and: [
{
middleName: 'Allen'
}
]
},
join: [
{
from: 'books',
on: {
books: 'book_id',
users: 'id'
}
}
]
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'firstName' },
{ type: 'VALUE', value: 'Bob' }
]
],
[
{ type: 'UNION', value: 'UNIONALL' },
[
[
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'lastName' },
{ type: 'VALUE', value: 'Smith' }
]
],
[
{ type: 'IDENTIFIER', value: 'JOIN' },
[
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'books' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'books' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'book_id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' }
]
]
],
[
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'middleName' },
{ type: 'VALUE', value: 'Allen' }
]
],
[
{ type: 'IDENTIFIER', value: 'JOIN' },
[
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'books' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'books' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'book_id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' }
]
]
]
]
]
]);
});
it('should generate a valid group for UNIONALL statements with nested WHERE criteria', function() {
var tokens = tokenize({
unionAll: [
{
select: '*',
from: 'users',
orderBy: [
{
id: 'ASC'
}
],
where: {
and: [
{
isDeleted: false
},
{
lastName: {
like: '%a%'
}
}
]
}
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'UNION', value: 'UNIONALL' },
[
[
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ type: 'IDENTIFIER', value: 'ORDERBY' },
{ type: 'KEY', value: 'id' },
{ type: 'VALUE', value: 'ASC' }
],
[
{ type: 'IDENTIFIER', value: 'WHERE' },
{ type: 'CONDITION', value: 'AND' },
[
{ type: 'KEY', value: 'isDeleted' },
{ type: 'VALUE', value: false }
],
[
{ type: 'KEY', value: 'lastName' },
{ type: 'OPERATOR', value: 'like' },
{ type: 'VALUE', value: '%a%' }
]
]
]
]
]
]);
});
});
});