121 lines
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HTML
121 lines
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HTML
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<a href="intro.html"><h2>Session Module C Interface</h2></a><h2>Obtain Conflicting Row Values From A Changeset Iterator</h2><blockquote><pre>int sqlite3changeset_conflict(
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sqlite3_changeset_iter *pIter, /* Changeset iterator */
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int iVal, /* Column number */
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sqlite3_value **ppValue /* OUT: Value from conflicting row */
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);
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</pre></blockquote><p>
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This function should only be used with iterator objects passed to a
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conflict-handler callback by <a href="../session/sqlite3changeset_apply.html">sqlite3changeset_apply()</a> with either
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<a href="../session/c_changeset_conflict.html">SQLITE_CHANGESET_DATA</a> or <a href="../session/c_changeset_conflict.html">SQLITE_CHANGESET_CONFLICT</a>. If this function
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is called on any other iterator, <a href="../rescode.html#misuse">SQLITE_MISUSE</a> is returned and *ppValue
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is set to NULL.</p>
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<p>Argument iVal must be greater than or equal to 0, and less than the number
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of columns in the table affected by the current change. Otherwise,
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<a href="../rescode.html#range">SQLITE_RANGE</a> is returned and *ppValue is set to NULL.</p>
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<p>If successful, this function sets *ppValue to point to a protected
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sqlite3_value object containing the iVal'th value from the
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"conflicting row" associated with the current conflict-handler callback
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and returns SQLITE_OK.</p>
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<p>If some other error occurs (e.g. an OOM condition), an SQLite error code
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is returned and *ppValue is set to NULL.
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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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