AST clone on every cache hit. The SQL parse is cached, but the AST is .clone()‘d on every sqlite3_exec(), then recompiled to VDBE bytecode from scratch. SQLite’s sqlite3_prepare_v2() just returns a reusable handle.
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Лига Европы|1/8 финала. 1-й матч，这一点在手游中也有详细论述
而且，水上无法避免风浪，这意味着船体即便在浪高1.5���以上的复杂水文环境中，仍要保持0.05米的高控制精度。