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Advanced Queries
Advanced Queries Service Builder doesn't limit you to elements in service.xml. If simple finders aren't sufficient for getting data out of your application, there are three other ways to make the...
Published Date: Jan 11, 2025 4:12 PM
Example: Removing Intermediate Journal Article Versions
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
Published Date: May 9, 2024 6:52 PM
Upgrading Modules Using Gogo Shell
Upgrading Modules Using Gogo Shell To troubleshoot upgrade issues with particular modules, it may be necessary to test and perform upgrades on a per-module basis, instead of en-masse. Liferay has...
Published Date: May 9, 2024 6:52 PM
Post-Upgrade Considerations
Post-Upgrade Considerations After upgrading the database, you should configure Liferay for production again and check up on feature changes that might affect your Liferay instance. Re-enable...
Published Date: May 9, 2024 6:52 PM
Upgrading via Auto Upgrade
Upgrading via Auto Upgrade You can upgrade your database automatically by enabling auto upgrade via the portal property before starting up your instance. **Always** [back...
Published Date: May 9, 2024 6:52 PM
Upgrading Via Docker
Upgrading Via Docker Running a Liferay Docker image with auto-upgrade enabled uses the Database Upgrade Tool to upgrade your database transparently on Liferay startup. After the upgrade completes,...
Published Date: May 9, 2024 6:52 PM
Monitoring Upgrades with MBeans
Monitoring Upgrades with MBeans Liferay DXP 7.4 U76 / Liferay Portal 7.4 GA76 When upgrade upon startup is enabled, the upgrade process can be monitored with MBeans through a JVM management tool...
Published Date: May 9, 2024 6:52 PM
Troubleshooting Upgrades
Troubleshooting Upgrades Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common...
Published Date: May 9, 2024 6:52 PM
Upgrade Stability and Performance
Upgrade Stability and Performance When you upgrade a DXP instance for a production release, the data upgrades must be done correctly and swiftly. Here are some ways to help assure success: ...
Published Date: May 9, 2024 6:52 PM
Using the Database Upgrade Tool
Using the Database Upgrade Tool The Liferay Database Upgrade Tool is a client program for upgrading Liferay DXP and Liferay Portal databases offline. Always back up your data and installation...
Published Date: May 9, 2024 6:52 PM
Database Pruning for Faster Upgrades
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
Published Date: May 9, 2024 6:52 PM
Database Tuning for Upgrades
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
Published Date: May 9, 2024 6:52 PM
Implementing an Item Selector
Implementing an Item Selector Item selectors are pop-up dialogs for selecting assets, such as documents, videos, or users. By configuring the item selector's criteria and defining its usage, you...
Published Date: May 9, 2024 6:52 PM
Accessing Custom Fields With Expandos
Accessing Custom Fields With Expandos When you need additional fields in your application, you can always add them in your service model definition and re-run Service Builder. This adds new columns...
Published Date: May 9, 2024 6:52 PM
Configuring Global Service Options
Configuring Global Service Options A service's global options apply to all its entities. Here are the options: Dependency Injector Package path Multiversion concurrency control Namespace...
Published Date: May 9, 2024 6:52 PM
Defining Entity Columns
Defining Entity Columns An entity's columns represent its attributes. These attributes map table fields to Java object fields. Here you'll examine the sample project from Understanding and...
Published Date: May 9, 2024 6:52 PM
Defining Entity Finder Methods
Defining Entity Finder Methods Finder methods retrieve entity objects from the database based on specified parameters. For each finder defined, Service Builder generates several methods to fetch,...
Published Date: May 9, 2024 6:52 PM
Using Domain-Specific Language Queries
Using Domain-Specific Language Queries Liferay 7.4+ DSL Query is an acronym for Domain-Specific Language Query. The foundation is based upon using a domain-specific language for the...
Published Date: Jan 18, 2025 2:47 AM
Using Custom SQL Queries
Using Custom SQL Queries Service Builder creates finder methods that retrieve entities by their attributes (their column values). When you add a column as a parameter for the finder in your...
Published Date: Sep 6, 2024 3:37 PM
Business Logic with Service Builder
Business Logic with Service Builder Once you've generated model, persistence, and service code with Service Builder, you can begin adding business logic. Entities generated by Service Builder...
Published Date: May 9, 2024 6:52 PM

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