128 lines
4.6 KiB
HTML
128 lines
4.6 KiB
HTML
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<a href="intro.html"><h2>SQLite C Interface</h2></a>
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<h2>Destroy A Prepared Statement Object</h2>
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</div>
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<blockquote><pre>
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int sqlite3_finalize(sqlite3_stmt *pStmt);
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</pre></blockquote>
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<p>
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The sqlite3_finalize() function is called to delete a <a href="../c3ref/stmt.html">prepared statement</a>.
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If the most recent evaluation of the statement encountered no errors
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or if the statement is never been evaluated, then sqlite3_finalize() returns
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SQLITE_OK. If the most recent evaluation of statement S failed, then
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sqlite3_finalize(S) returns the appropriate <a href="../rescode.html">error code</a> or
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<a href="../rescode.html#extrc">extended error code</a>.</p>
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<p>The sqlite3_finalize(S) routine can be called at any point during
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the life cycle of <a href="../c3ref/stmt.html">prepared statement</a> S:
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before statement S is ever evaluated, after
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one or more calls to <a href="../c3ref/reset.html">sqlite3_reset()</a>, or after any call
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to <a href="../c3ref/step.html">sqlite3_step()</a> regardless of whether or not the statement has
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completed execution.</p>
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<p>Invoking sqlite3_finalize() on a NULL pointer is a harmless no-op.</p>
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<p>The application must finalize every <a href="../c3ref/stmt.html">prepared statement</a> in order to avoid
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resource leaks. It is a grievous error for the application to try to use
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a prepared statement after it has been finalized. Any use of a prepared
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statement after it has been finalized can result in undefined and
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undesirable behavior such as segfaults and heap corruption.
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</p><p>See also lists of
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<a href="objlist.html">Objects</a>,
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<a href="constlist.html">Constants</a>, and
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<a href="funclist.html">Functions</a>.</p>
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