jOOQ Internals: Pushing Up SQL Fragments. jOOQ has accrued quite a few internal features, which you, the user, are not exposed to. One very interesting feature is the capability for any arbitrary jOOQ expression tree element to push a SQL fragment up to a higher level.
Over the past 13 years, jOOQ has accrued quite a few internal features, which you, the user, are not exposed to. One very interesting feature is the capability for any arbitrary jOOQ expression tree element to push a SQL fragment up to a higher level.
How does it work?
When you write a jOOQ query, you’re really creating an expression tree of your SQL statement that just happens to look like actual SQL syntax. For example:
ctx.select(BOOK.ID, BOOK.TITLE) .from(BOOK) .where(BOOK.AUTHOR_ID.eq(1)) .fetch();
SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.
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