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Java, SQL and jOOQ.
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How to create hierarchies of Java objects from flat lists with Collector
https://blog.jooq.org/how-to-turn-a-list-of-flat-elements-into-a-hierarchy-in-java-sql-or-jooq/
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Tagged with:
java
sql
postgresql
collector
collectors
jooq-development
hierarchical sql
recursive sql
This article illustrates various ways of turning a flat representation of hierarchical dataa into an object or JSON hierarchy, using SQL, jOOQ, or vanilla Java.
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