Fix bug with limit: 1 and findAndCountAll

lib/dao-factory.js

@@ -545,7 +545,9 @@ module.exports = (function() {
     }
 
     options = paranoidClause.call(this, options)
+    if (options.limit === undefined) {
       options.limit = 1
+    }
 
     return this.QueryInterface.select(this, this.getTableName(), options, Utils._.defaults({
       plain: true,
@@ -586,7 +588,9 @@ module.exports = (function() {
       options.attributes = [
         [this.sequelize.fn('COUNT', this.sequelize.col(this.tableName+'.*')), 'count']
       ]
+      
       options.includeIgnoreAttributes = false
+      options.limit = null
 
       this.find(options, {raw: true, transaction: options.transaction}).proxy(emitter, {events: ['sql', 'error']}).success(function (result) {
         emitter.emit('success', parseInt(result.count, 10))

lib/dialects/abstract/query-generator.js

@@ -473,8 +473,8 @@ module.exports = (function() {
         , mainQueryItems      = []
         , mainAttributes      = options.attributes
         , mainJoinQueries     = []
-        // We'll use a subquery if there's a limit, if we have hasMany associations and if any of them are filtered
-        , subQuery            = limit && options && options.hasIncludeWhere && options.hasIncludeRequired && options.hasMultiAssociation
+        // We'll use a subquery if we have hasMany associations and a limit or a filtered/required association
+        , subQuery            = (limit || options.hasIncludeWhere || options.hasIncludeRequired) && options.hasMultiAssociation
         , subQueryItems       = []
         , subQueryAttributes  = null
         , subJoinQueries      = []
@@ -534,7 +534,9 @@ module.exports = (function() {
             , includeWhere  = {}
             , whereOptions  = Utils._.clone(options)
 
-          if (tableName !== parentTable) as = parentTable+'.'+include.as
+          if (tableName !== parentTable) {
+            as = parentTable+'.'+include.as
+          }
 
           if (include.where) {
             for (var key in include.where) {
@@ -795,12 +797,12 @@ module.exports = (function() {
       return "ROLLBACK;"
     },
 
-    addLimitAndOffset: function(options, query){
+    addLimitAndOffset: function(options, query) {
       query = query || ""
 
       if (options.offset && !options.limit) {
         query += " LIMIT " + options.offset + ", " + 10000000000000;
-      } else if (options.limit && !(options.include && (options.limit === 1))) {
+      } else if (options.limit) {
         if (options.offset) {
           query += " LIMIT " + options.offset + ", " + options.limit
         } else {

lib/dialects/postgres/query-generator.js

@@ -410,7 +410,6 @@ module.exports = (function() {
 
     addLimitAndOffset: function(options, query){
       query = query || ""
-      if (!(options.include && (options.limit === 1))) {
       if (options.limit) {
         query += " LIMIT " + options.limit
       }
@@ -418,7 +417,6 @@ module.exports = (function() {
       if (options.offset) {
         query += " OFFSET " + options.offset
       }
-      }
 
       return query;
     },

lib/dialects/sqlite/query-generator.js

@@ -153,7 +153,7 @@ module.exports = (function() {
       query = query || ""
       if (options.offset && !options.limit) {
         query += " LIMIT " + options.offset + ", " + 10000000000000;
-      } else if (options.limit && !(options.include && (options.limit === 1))) {
+      } else if (options.limit) {
         if (options.offset) {
           query += " LIMIT " + options.offset + ", " + options.limit
         } else {

lib/utils.js

@@ -599,7 +599,9 @@ Utils.fn.prototype.toString = function(queryGenerator) {
 }
 
 Utils.col.prototype.toString = function (queryGenerator) {
-  if (this.col.indexOf('*') !== -1) return '*'
+  if (this.col.indexOf('*') === 0) {
+    return '*'
+  }
   return queryGenerator.quote(this.col)
 }
 

test/dao-factory/findAll.test.js

@@ -957,6 +957,57 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
     })
 
+    it("handles offset with includes", function (done) {
+      var Election = this.sequelize.define('Election', {
+        name: Sequelize.STRING
+      })
+      var Citizen = this.sequelize.define('Citizen', {
+        name: Sequelize.STRING
+      })
+
+      // Associations
+      Election.belongsTo(Citizen)
+      Election.hasMany(Citizen, { as: 'Voters', through: 'ElectionsVotes' })
+      Citizen.hasMany(Election)
+      Citizen.hasMany(Election, { as: 'Votes', through: 'ElectionsVotes' })
+
+      this.sequelize.sync().done(function (err) {
+        expect(err).not.be.ok
+          
+        // Add some data
+        Citizen.create({ name: 'Alice' }).done(function (err, alice) {
+          expect(err).not.be.ok
+          Citizen.create({ name: 'Bob' }).done(function (err, bob) {
+            expect(err).not.be.ok
+            Election.create({ name: 'Some election' }).done(function (err, election) {
+              expect(err).not.be.ok
+              election.setCitizen(alice).done(function (err) {
+                expect(err).not.be.ok
+                election.setVoters([alice, bob]).done(function (err) {
+                  expect(err).not.be.ok
+                  
+                  var criteria = {
+                    offset: 5,
+                    limit: 1,
+                    include: [
+                      Citizen, // Election creator
+                      { model: Citizen, as: 'Voters' } // Election voters
+                    ]
+                  }
+                  Election.findAndCountAll(criteria).done(function (err, elections) {
+                    expect(err).not.be.ok
+                    expect(elections.count).to.equal(2)
+                    expect(elections.rows.length).to.equal(0)
+                    done()
+                  })
+                })
+              })
+            })
+          })
+        })
+      })
+    })
+
     it("handles attributes", function(done) {
       this.User.findAndCountAll({where: "id != " + this.users[0].id, attributes: ['data']}).success(function(info) {
         expect(info.count).to.equal(2)