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SQLite3Stmt::setExplain

(PHP 8 >= 8.5.0)

SQLite3Stmt::setExplainChanges the explain mode of the statement

说明

public function SQLite3Stmt::setExplain(int $mode): bool

Changes the explain mode of the statement, so that it behaves as if its SQL was prefixed with EXPLAIN or EXPLAIN QUERY PLAN, or as an ordinary statement again.

参数

mode

One of SQLite3Stmt::EXPLAIN_MODE_PREPARED, SQLite3Stmt::EXPLAIN_MODE_EXPLAIN, or SQLite3Stmt::EXPLAIN_MODE_EXPLAIN_QUERY_PLAN.

返回值

成功时返回 true, 或者在失败时返回 false

错误/异常

A ValueError is thrown if mode is not one of the SQLite3Stmt::EXPLAIN_MODE_* constants.

参见

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