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Magento 2. Declarative schema. What is the use of the memory engine?


Magento 2: How to Read From Configuration TreeRetrieving size attribute text via MySQL in Magento 2Where do we store persistent single variables in Magento 2 (module settings)?How to set default value in config.xml file for tables in Magento2 backend system configurationMagento 2 What are the Custom Attributes Node when Creating a new Product Type?Magento 2.3 : How to create product attribute via declarative schemaDrop column on declarative schema not working as expectedDeclarative schema approach to make customer's lastname optionalMigrate to declarative schemaDeclarative schema: Incorrect Foreign Key Diff






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3















When creating tables using the Declarative Schema one can set the engine="" attribute value as memory.



I can't seem to find an example in the core. What is a use-case for this configuration, how does it behave and how you retrieve|store values in|from such a table?



Reference M2 Dev Docs










share|improve this question




























    3















    When creating tables using the Declarative Schema one can set the engine="" attribute value as memory.



    I can't seem to find an example in the core. What is a use-case for this configuration, how does it behave and how you retrieve|store values in|from such a table?



    Reference M2 Dev Docs










    share|improve this question
























      3












      3








      3








      When creating tables using the Declarative Schema one can set the engine="" attribute value as memory.



      I can't seem to find an example in the core. What is a use-case for this configuration, how does it behave and how you retrieve|store values in|from such a table?



      Reference M2 Dev Docs










      share|improve this question














      When creating tables using the Declarative Schema one can set the engine="" attribute value as memory.



      I can't seem to find an example in the core. What is a use-case for this configuration, how does it behave and how you retrieve|store values in|from such a table?



      Reference M2 Dev Docs







      magento2 configuration table declarative-schema






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked May 30 at 7:59









      vitoriodachefvitoriodachef

      1,297424




      1,297424




















          1 Answer
          1






          active

          oldest

          votes


















          0














          Currently Magento2 uses InnoDb engine but this configuration for Memory engine if you want to configure it.



          in core all most of tmp table created with memory engine:



          catalog_product_index_price_opt_tmp



          catalog_product_index_price_final_tmp



          catalog_product_index_price_cfg_opt_agr_tmp



          catalog_product_index_price_cfg_opt_tmp



          catalog_product_index_price_opt_agr_tmp



          catalog_product_index_eav_tmp



          catalog_product_index_eav_decimal_tmp



          catalog_product_index_price_tmp



          cataloginventory_stock_status_tmp



          and some more tables....



          for more please see



          https://dev.mysql.com/doc/refman/8.0/en/memory-storage-engine.html






          share|improve this answer

























          • So basically this tables are some sort of flash tables?

            – vitoriodachef
            yesterday











          Your Answer








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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          Currently Magento2 uses InnoDb engine but this configuration for Memory engine if you want to configure it.



          in core all most of tmp table created with memory engine:



          catalog_product_index_price_opt_tmp



          catalog_product_index_price_final_tmp



          catalog_product_index_price_cfg_opt_agr_tmp



          catalog_product_index_price_cfg_opt_tmp



          catalog_product_index_price_opt_agr_tmp



          catalog_product_index_eav_tmp



          catalog_product_index_eav_decimal_tmp



          catalog_product_index_price_tmp



          cataloginventory_stock_status_tmp



          and some more tables....



          for more please see



          https://dev.mysql.com/doc/refman/8.0/en/memory-storage-engine.html






          share|improve this answer

























          • So basically this tables are some sort of flash tables?

            – vitoriodachef
            yesterday















          0














          Currently Magento2 uses InnoDb engine but this configuration for Memory engine if you want to configure it.



          in core all most of tmp table created with memory engine:



          catalog_product_index_price_opt_tmp



          catalog_product_index_price_final_tmp



          catalog_product_index_price_cfg_opt_agr_tmp



          catalog_product_index_price_cfg_opt_tmp



          catalog_product_index_price_opt_agr_tmp



          catalog_product_index_eav_tmp



          catalog_product_index_eav_decimal_tmp



          catalog_product_index_price_tmp



          cataloginventory_stock_status_tmp



          and some more tables....



          for more please see



          https://dev.mysql.com/doc/refman/8.0/en/memory-storage-engine.html






          share|improve this answer

























          • So basically this tables are some sort of flash tables?

            – vitoriodachef
            yesterday













          0












          0








          0







          Currently Magento2 uses InnoDb engine but this configuration for Memory engine if you want to configure it.



          in core all most of tmp table created with memory engine:



          catalog_product_index_price_opt_tmp



          catalog_product_index_price_final_tmp



          catalog_product_index_price_cfg_opt_agr_tmp



          catalog_product_index_price_cfg_opt_tmp



          catalog_product_index_price_opt_agr_tmp



          catalog_product_index_eav_tmp



          catalog_product_index_eav_decimal_tmp



          catalog_product_index_price_tmp



          cataloginventory_stock_status_tmp



          and some more tables....



          for more please see



          https://dev.mysql.com/doc/refman/8.0/en/memory-storage-engine.html






          share|improve this answer















          Currently Magento2 uses InnoDb engine but this configuration for Memory engine if you want to configure it.



          in core all most of tmp table created with memory engine:



          catalog_product_index_price_opt_tmp



          catalog_product_index_price_final_tmp



          catalog_product_index_price_cfg_opt_agr_tmp



          catalog_product_index_price_cfg_opt_tmp



          catalog_product_index_price_opt_agr_tmp



          catalog_product_index_eav_tmp



          catalog_product_index_eav_decimal_tmp



          catalog_product_index_price_tmp



          cataloginventory_stock_status_tmp



          and some more tables....



          for more please see



          https://dev.mysql.com/doc/refman/8.0/en/memory-storage-engine.html







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited May 30 at 8:41

























          answered May 30 at 8:17









          Rutvee SojitraRutvee Sojitra

          2,1151321




          2,1151321












          • So basically this tables are some sort of flash tables?

            – vitoriodachef
            yesterday

















          • So basically this tables are some sort of flash tables?

            – vitoriodachef
            yesterday
















          So basically this tables are some sort of flash tables?

          – vitoriodachef
          yesterday





          So basically this tables are some sort of flash tables?

          – vitoriodachef
          yesterday

















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