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Results 1 - 1 of 1 for numOpen (0.14 sec)
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prepare_stmt.go
// suppose the maxopen is 1, g1 is creating record and g2 is querying record. // 1. g1 begin tx, g1 is requeue because of waiting for the system call, now `db.ConnPool` db.numOpen == 1. // 2. g2 select lock `conn.PrepareContext(ctx, query)`, now db.numOpen == db.maxOpen , wait for release. // 3. g1 tx exec insert, wait for unlock `conn.PrepareContext(ctx, query)` to finish tx and release. stmt, err := conn.PrepareContext(ctx, query)
Registered: Wed Jun 12 16:27:09 UTC 2024 - Last Modified: Thu Mar 28 08:47:39 UTC 2024 - 6.4K bytes - Viewed (0)