KnexJS Transaction












0














How can I execute this transaction? My problem is the correct use of for instruction.



app.db.transaction(function (trx) {

app.db('sales_record_products').transacting(trx).insert(products)
.then(_ => {

for (let i = 0; i < stockProducts.ids.length; i++) {
app.db('products').transacting(trx).where('id',stockProducts.ids[i]).update({quantity: stockProducts.results[i]})
.then(_ => {

})

}

})
.then(trx.commit)
.catch(trx.rollback)
})
.then(_ => res.status(200).json({success: true}))
.catch(err => res.status(500).send(err))









share|improve this question





























    0














    How can I execute this transaction? My problem is the correct use of for instruction.



    app.db.transaction(function (trx) {

    app.db('sales_record_products').transacting(trx).insert(products)
    .then(_ => {

    for (let i = 0; i < stockProducts.ids.length; i++) {
    app.db('products').transacting(trx).where('id',stockProducts.ids[i]).update({quantity: stockProducts.results[i]})
    .then(_ => {

    })

    }

    })
    .then(trx.commit)
    .catch(trx.rollback)
    })
    .then(_ => res.status(200).json({success: true}))
    .catch(err => res.status(500).send(err))









    share|improve this question



























      0












      0








      0







      How can I execute this transaction? My problem is the correct use of for instruction.



      app.db.transaction(function (trx) {

      app.db('sales_record_products').transacting(trx).insert(products)
      .then(_ => {

      for (let i = 0; i < stockProducts.ids.length; i++) {
      app.db('products').transacting(trx).where('id',stockProducts.ids[i]).update({quantity: stockProducts.results[i]})
      .then(_ => {

      })

      }

      })
      .then(trx.commit)
      .catch(trx.rollback)
      })
      .then(_ => res.status(200).json({success: true}))
      .catch(err => res.status(500).send(err))









      share|improve this question















      How can I execute this transaction? My problem is the correct use of for instruction.



      app.db.transaction(function (trx) {

      app.db('sales_record_products').transacting(trx).insert(products)
      .then(_ => {

      for (let i = 0; i < stockProducts.ids.length; i++) {
      app.db('products').transacting(trx).where('id',stockProducts.ids[i]).update({quantity: stockProducts.results[i]})
      .then(_ => {

      })

      }

      })
      .then(trx.commit)
      .catch(trx.rollback)
      })
      .then(_ => res.status(200).json({success: true}))
      .catch(err => res.status(500).send(err))






      node.js knex.js






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 12 at 14:10









      Al Foиce ѫ

      3,09462239




      3,09462239










      asked Nov 12 at 13:08









      Guilherme De Menezes Ferreira

      52




      52
























          1 Answer
          1






          active

          oldest

          votes


















          0














          Why not using something like



          // Start a database transaction
          return app.db.transaction(function (trx) {

          // Insert products
          return trx.insert(products)
          .then(function (newIds) {

          // Product inserted, you have the new database id in newIds

          // Update all product individually but sequentially
          return Promise.mapSeries(stockProducts, function (sp) {

          // Update a single product
          return trx
          .table('products')
          .where('id', stockProducts.ids[i])
          .update({ quantity: stockProducts.results[i] });
          });

          });

          });





          share|improve this answer





















          • error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:17












          • works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:41













          Your Answer






          StackExchange.ifUsing("editor", function () {
          StackExchange.using("externalEditor", function () {
          StackExchange.using("snippets", function () {
          StackExchange.snippets.init();
          });
          });
          }, "code-snippets");

          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "1"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          autoActivateHeartbeat: false,
          convertImagesToLinks: true,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: 10,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });














          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53262863%2fknexjs-transaction%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          Why not using something like



          // Start a database transaction
          return app.db.transaction(function (trx) {

          // Insert products
          return trx.insert(products)
          .then(function (newIds) {

          // Product inserted, you have the new database id in newIds

          // Update all product individually but sequentially
          return Promise.mapSeries(stockProducts, function (sp) {

          // Update a single product
          return trx
          .table('products')
          .where('id', stockProducts.ids[i])
          .update({ quantity: stockProducts.results[i] });
          });

          });

          });





          share|improve this answer





















          • error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:17












          • works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:41


















          0














          Why not using something like



          // Start a database transaction
          return app.db.transaction(function (trx) {

          // Insert products
          return trx.insert(products)
          .then(function (newIds) {

          // Product inserted, you have the new database id in newIds

          // Update all product individually but sequentially
          return Promise.mapSeries(stockProducts, function (sp) {

          // Update a single product
          return trx
          .table('products')
          .where('id', stockProducts.ids[i])
          .update({ quantity: stockProducts.results[i] });
          });

          });

          });





          share|improve this answer





















          • error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:17












          • works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:41
















          0












          0








          0






          Why not using something like



          // Start a database transaction
          return app.db.transaction(function (trx) {

          // Insert products
          return trx.insert(products)
          .then(function (newIds) {

          // Product inserted, you have the new database id in newIds

          // Update all product individually but sequentially
          return Promise.mapSeries(stockProducts, function (sp) {

          // Update a single product
          return trx
          .table('products')
          .where('id', stockProducts.ids[i])
          .update({ quantity: stockProducts.results[i] });
          });

          });

          });





          share|improve this answer












          Why not using something like



          // Start a database transaction
          return app.db.transaction(function (trx) {

          // Insert products
          return trx.insert(products)
          .then(function (newIds) {

          // Product inserted, you have the new database id in newIds

          // Update all product individually but sequentially
          return Promise.mapSeries(stockProducts, function (sp) {

          // Update a single product
          return trx
          .table('products')
          .where('id', stockProducts.ids[i])
          .update({ quantity: stockProducts.results[i] });
          });

          });

          });






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 12 at 14:49









          erakis

          4318




          4318












          • error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:17












          • works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:41




















          • error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:17












          • works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
            – Guilherme De Menezes Ferreira
            Nov 12 at 15:41


















          error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
          – Guilherme De Menezes Ferreira
          Nov 12 at 15:17






          error: UnhandledPromiseRejectionWarning: Error: ER_PARSE_ERROR: You have an error in your SQL syntax; I'm using knexjs
          – Guilherme De Menezes Ferreira
          Nov 12 at 15:17














          works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
          – Guilherme De Menezes Ferreira
          Nov 12 at 15:41






          works. Thanks for help app.db.transaction(function (trx) { app.db('sales_record_products').transacting(trx).insert(products).then(_ => { return Promise.mapSeries(stockProducts.ids, function(a, index) { return app.db('products').transacting(trx).where('id', stockProducts.ids[index]).update({quantity: stockProducts.results[index]}) }).then(trx.commit) .catch(trx.rollback) }) .then(trx.commit) .catch(trx.rollback) }) .then(_ => res.status(200).json({success: true})) .catch(err => res.status(500).send(err))
          – Guilherme De Menezes Ferreira
          Nov 12 at 15:41




















          draft saved

          draft discarded




















































          Thanks for contributing an answer to Stack Overflow!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.





          Some of your past answers have not been well-received, and you're in danger of being blocked from answering.


          Please pay close attention to the following guidance:


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53262863%2fknexjs-transaction%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          Popular posts from this blog

          Bressuire

          Vorschmack

          Quarantine