Using connections
When you need to execute sequential queries (without a transaction), you can create a new connection or borrow one from the pool:
Code not translatable
Prepared queries can be created:
connection.prepare("SELECT * FROM users WHERE first_name LIKE ?", { ar1 ->
if (ar1.succeeded()) {
var pq = ar1.result()
pq.execute(Tuple.of("julien"), { ar2 ->
if (ar2.succeeded()) {
// All rows
var rows = ar2.result()
}
})
}
})
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Note
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prepared query caching depends on the setCachePreparedStatements and
does not depend on whether you are creating prepared queries or use direct prepared queries
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PreparedQuery can perform efficient batching:
// TODO