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  <div class="headertitle"><div class="title">apr_dbd_driver_t Struct Reference</div></div>
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Data Fields</h2></td></tr>
<tr class="memitem:a5483b4c47dde6814395bebfb7959fb37" id="r_a5483b4c47dde6814395bebfb7959fb37"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a5483b4c47dde6814395bebfb7959fb37">name</a></td></tr>
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<tr class="memitem:abe128d58439959850b95c8ff8ebd89a1" id="r_abe128d58439959850b95c8ff8ebd89a1"><td class="memItemLeft" align="right" valign="top">void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#abe128d58439959850b95c8ff8ebd89a1">init</a> )(apr_pool_t *pool)</td></tr>
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<tr class="memitem:af8b234bd87eef570b123910ec6694a15" id="r_af8b234bd87eef570b123910ec6694a15"><td class="memItemLeft" align="right" valign="top">void *(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#af8b234bd87eef570b123910ec6694a15">native_handle</a> )(apr_dbd_t *handle)</td></tr>
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<tr class="memitem:ac0bd3f0fa31886ec88d1fc3e426ac729" id="r_ac0bd3f0fa31886ec88d1fc3e426ac729"><td class="memItemLeft" align="right" valign="top">const char *(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#ac0bd3f0fa31886ec88d1fc3e426ac729">get_entry</a> )(const apr_dbd_row_t *row, int col)</td></tr>
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<tr class="memitem:a2f2a54582974268e8ba3264dca640ca6" id="r_a2f2a54582974268e8ba3264dca640ca6"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a2f2a54582974268e8ba3264dca640ca6">prepare</a> )(apr_pool_t *pool, apr_dbd_t *handle, const char *<a class="el" href="structapr__dbd__driver__t.html#ac42de1c72ac0ed642335b607d3697ce8">query</a>, const char *label, int nargs, int nvals, <a class="el" href="group___a_p_r___util___d_b_d.html#ga19608fa5d518a5121bee23daacc5c230">apr_dbd_type_e</a> *types, apr_dbd_prepared_t **statement)</td></tr>
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<tr class="memitem:a9c68730a69a09b4ab06febb944147888" id="r_a9c68730a69a09b4ab06febb944147888"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a9c68730a69a09b4ab06febb944147888">pvquery</a> )(apr_pool_t *pool, apr_dbd_t *handle, int *nrows, apr_dbd_prepared_t *statement, va_list args)</td></tr>
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<tr class="memitem:a849f8ae47843b0f2d8633d3f3b002493" id="r_a849f8ae47843b0f2d8633d3f3b002493"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a849f8ae47843b0f2d8633d3f3b002493">pquery</a> )(apr_pool_t *pool, apr_dbd_t *handle, int *nrows, apr_dbd_prepared_t *statement, const char **args)</td></tr>
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<tr class="memitem:a1295f5431413acc31faf84342bdf6ed0" id="r_a1295f5431413acc31faf84342bdf6ed0"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a1295f5431413acc31faf84342bdf6ed0">pselect</a> )(apr_pool_t *pool, apr_dbd_t *handle, apr_dbd_results_t **res, apr_dbd_prepared_t *statement, int random, const char **args)</td></tr>
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<tr class="memitem:a9731123f5323c4d12b24065b4c36cb1a" id="r_a9731123f5323c4d12b24065b4c36cb1a"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__dbd__driver__t.html#a9731123f5323c4d12b24065b4c36cb1a">pvbquery</a> )(apr_pool_t *pool, apr_dbd_t *handle, int *nrows, apr_dbd_prepared_t *statement, va_list args)</td></tr>
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</table>
<h2 class="groupheader">Field Documentation</h2>
<a id="a644f9d26c9a3f3ebbde35fcc5caa7903" name="a644f9d26c9a3f3ebbde35fcc5caa7903"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a644f9d26c9a3f3ebbde35fcc5caa7903">&#9670;&#160;</a></span>check_conn</h2>

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<p>check_conn: check status of a database connection</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- a pool to use for error messages (if any). </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection to check </td></tr>
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  </dd>
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<dl class="section return"><dt>Returns</dt><dd>APR_SUCCESS or error </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a51f2fb88a8f6d109e859e470c12922e2">&#9670;&#160;</a></span>close</h2>

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          <td class="memname">apr_status_t(* apr_dbd_driver_t::close) (apr_dbd_t *handle)</td>
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<p>close: close/release a connection obtained from <a class="el" href="structapr__dbd__driver__t.html#a09e95874c608afe6029c2630e181af89">open()</a></p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">handle</td><td>- the connection to release </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>APR_SUCCESS or error </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa4e7085c08af67ae80cfca708ee00d4f">&#9670;&#160;</a></span>datum_get</h2>

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          <td class="memname">apr_status_t(* apr_dbd_driver_t::datum_get) (const apr_dbd_row_t *row, int col, <a class="el" href="group___a_p_r___util___d_b_d.html#ga19608fa5d518a5121bee23daacc5c230">apr_dbd_type_e</a> type, void *data)</td>
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<p>datum_get: get a binary entry from a row</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">row</td><td>- row pointer </td></tr>
    <tr><td class="paramname">col</td><td>- entry number </td></tr>
    <tr><td class="paramname">type</td><td>- type of data to get </td></tr>
    <tr><td class="paramname">data</td><td>- pointer to data, allocated by the caller </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>APR_SUCCESS, an error code on error or if col is out of bounds </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a8ec55cbddf69f4d371017d0c985abe76">&#9670;&#160;</a></span>end_transaction</h2>

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<p>end_transaction: end a transaction (commit on success, rollback on error). May be a no-op.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">trans</td><td>- the transaction. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a8f91d0602037b1553a11e69444f486e0">&#9670;&#160;</a></span>error</h2>

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<p>error: get current error message (if any)</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">errnum</td><td>- error code from operation that returned an error </td></tr>
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  </dd>
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<dl class="section return"><dt>Returns</dt><dd>the database current error message, or message for errnum (implementation-dependent whether errnum is ignored) </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae5d5d9f82e15252b8a04258c1ab1a155">&#9670;&#160;</a></span>escape</h2>

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<p>escape: escape a string so it is safe for use in query/select</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- pool to alloc the result from </td></tr>
    <tr><td class="paramname">string</td><td>- the string to escape </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the escaped, safe string </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac0bd3f0fa31886ec88d1fc3e426ac729">&#9670;&#160;</a></span>get_entry</h2>

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<p>get_entry: get an entry from a row</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">row</td><td>- row pointer </td></tr>
    <tr><td class="paramname">col</td><td>- entry number </td></tr>
    <tr><td class="paramname">val</td><td>- entry to fill </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success, -1 for no data, +1 for general error </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac9ce02c899fa2e984182347fb6c6afe4">&#9670;&#160;</a></span>get_name</h2>

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<p>get_name: get a column title from a result set</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">res</td><td>- result set pointer </td></tr>
    <tr><td class="paramname">col</td><td>- entry number </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>param name, or NULL if col is out of bounds. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ad7257c26c42d4f399d9a1ab04cc6c17a">&#9670;&#160;</a></span>get_row</h2>

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<p>get_row: get a row from a result set</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- pool to allocate the row </td></tr>
    <tr><td class="paramname">res</td><td>- result set pointer </td></tr>
    <tr><td class="paramname">row</td><td>- pointer to row pointer. May point to NULL on entry </td></tr>
    <tr><td class="paramname">rownum</td><td>- row number, or -1 for "next row". Ignored if random access is not supported. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success, -1 for rownum out of range or data finished </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#abe128d58439959850b95c8ff8ebd89a1">&#9670;&#160;</a></span>init</h2>

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<p>init: allow driver to perform once-only initialisation. Called once only. May be NULL </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a5483b4c47dde6814395bebfb7959fb37">&#9670;&#160;</a></span>name</h2>

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<p>name </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af8b234bd87eef570b123910ec6694a15">&#9670;&#160;</a></span>native_handle</h2>

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<p>native_handle: return the native database handle of the underlying db</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">handle</td><td>- apr_dbd handle </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>- native handle </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a518d4b194539fb068ef38ba16d803185">&#9670;&#160;</a></span>num_cols</h2>

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<p>num_cols: get the number of columns in a results set</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">res</td><td>- result set. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>number of columns </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a2f5afd04b4ad2ef6ce737b8bad4c0cea">&#9670;&#160;</a></span>num_tuples</h2>

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<p>num_tuples: get the number of rows in a results set of a synchronous select</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">res</td><td>- result set. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>number of rows, or -1 if the results are asynchronous </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a09e95874c608afe6029c2630e181af89">&#9670;&#160;</a></span>open</h2>

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          <td class="memname">apr_dbd_t *(* apr_dbd_driver_t::open) (apr_pool_t *pool, const char *params, const char **<a class="el" href="structapr__dbd__driver__t.html#a8f91d0602037b1553a11e69444f486e0">error</a>)</td>
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<p>open: obtain a database connection from the server rec. Must be explicitly closed when you're finished with it. WARNING: only use this when you need a connection with a lifetime other than a request</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- a pool to use for error messages (if any). </td></tr>
    <tr><td class="paramname">params</td><td>- connection parameters. </td></tr>
    <tr><td class="paramname">error</td><td>- descriptive error. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>database handle, or NULL on error. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#af3769b3e57bd3fcef9cadf43415320d1">&#9670;&#160;</a></span>pbquery</h2>

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<p>pbquery: query using a prepared statement + binary args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">nrows</td><td>- number of rows affected. </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">args</td><td>- binary args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#abf1e22068afc62e081fbf985c2683bd9">&#9670;&#160;</a></span>pbselect</h2>

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<p>pbselect: select using a prepared statement + binary args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">res</td><td>- pointer to query results. May point to NULL on entry </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">random</td><td>- Whether to support random-access to results </td></tr>
    <tr><td class="paramname">args</td><td>- binary args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a975698d5688012fe2810542769ac4f05">&#9670;&#160;</a></span>pformat</h2>

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<p>format of prepared statement parameters </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a849f8ae47843b0f2d8633d3f3b002493">&#9670;&#160;</a></span>pquery</h2>

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<p>pquery: query using a prepared statement + args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">nrows</td><td>- number of rows affected. </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">args</td><td>- args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a2f2a54582974268e8ba3264dca640ca6">&#9670;&#160;</a></span>prepare</h2>

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<p>prepare: prepare a statement</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- pool to alloc the result from </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">query</td><td>- the SQL query </td></tr>
    <tr><td class="paramname">label</td><td>- A label for the prepared statement. use NULL for temporary prepared statements (eg within a Request in httpd) </td></tr>
    <tr><td class="paramname">nargs</td><td>- number of parameters in the query </td></tr>
    <tr><td class="paramname">nvals</td><td>- number of values passed in p[b]query/select </td></tr>
    <tr><td class="paramname">types</td><td>- pointer to an array with types of parameters </td></tr>
    <tr><td class="paramname">statement</td><td>- statement to prepare. May point to null on entry. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a1295f5431413acc31faf84342bdf6ed0">&#9670;&#160;</a></span>pselect</h2>

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<p>pselect: select using a prepared statement + args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">res</td><td>- pointer to query results. May point to NULL on entry </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">random</td><td>- Whether to support random-access to results </td></tr>
    <tr><td class="paramname">args</td><td>- args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a9731123f5323c4d12b24065b4c36cb1a">&#9670;&#160;</a></span>pvbquery</h2>

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          <td class="memname">int(* apr_dbd_driver_t::pvbquery) (apr_pool_t *pool, apr_dbd_t *handle, int *nrows, apr_dbd_prepared_t *statement, va_list args)</td>
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<p>pvbquery: query using a prepared statement + binary args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">nrows</td><td>- number of rows affected. </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">args</td><td>- binary args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a003dc5921881f3d548026ba6be8044f2">&#9670;&#160;</a></span>pvbselect</h2>

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          <td class="memname">int(* apr_dbd_driver_t::pvbselect) (apr_pool_t *pool, apr_dbd_t *handle, apr_dbd_results_t **res, apr_dbd_prepared_t *statement, int random, va_list args)</td>
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<p>pvbselect: select using a prepared statement + binary args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">res</td><td>- pointer to query results. May point to NULL on entry </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">random</td><td>- Whether to support random-access to results </td></tr>
    <tr><td class="paramname">args</td><td>- binary args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a9c68730a69a09b4ab06febb944147888">&#9670;&#160;</a></span>pvquery</h2>

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          <td class="memname">int(* apr_dbd_driver_t::pvquery) (apr_pool_t *pool, apr_dbd_t *handle, int *nrows, apr_dbd_prepared_t *statement, va_list args)</td>
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<p>pvquery: query using a prepared statement + args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">nrows</td><td>- number of rows affected. </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">args</td><td>- args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0b6fca421fe2e009804ab85ab64c1db">&#9670;&#160;</a></span>pvselect</h2>

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          <td class="memname">int(* apr_dbd_driver_t::pvselect) (apr_pool_t *pool, apr_dbd_t *handle, apr_dbd_results_t **res, apr_dbd_prepared_t *statement, int random, va_list args)</td>
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</div><div class="memdoc">
<p>pvselect: select using a prepared statement + args</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">res</td><td>- pointer to query results. May point to NULL on entry </td></tr>
    <tr><td class="paramname">statement</td><td>- the prepared statement to execute </td></tr>
    <tr><td class="paramname">random</td><td>- Whether to support random-access to results </td></tr>
    <tr><td class="paramname">args</td><td>- args to prepared statement </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
<a id="ac42de1c72ac0ed642335b607d3697ce8" name="ac42de1c72ac0ed642335b607d3697ce8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac42de1c72ac0ed642335b607d3697ce8">&#9670;&#160;</a></span>query</h2>

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          <td class="memname">int(* apr_dbd_driver_t::query) (apr_dbd_t *handle, int *nrows, const char *statement)</td>
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<p>query: execute an SQL query that doesn't return a result set</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">nrows</td><td>- number of rows affected. </td></tr>
    <tr><td class="paramname">statement</td><td>- the SQL statement to execute </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2df4f0cf267ce9129189e3bb47e4b98e">&#9670;&#160;</a></span>select</h2>

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          <td class="memname">int(* apr_dbd_driver_t::select) (apr_pool_t *pool, apr_dbd_t *handle, apr_dbd_results_t **res, const char *statement, int random)</td>
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<p>select: execute an SQL query that returns a result set</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- pool to allocate the result set </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">res</td><td>- pointer to result set pointer. May point to NULL on entry </td></tr>
    <tr><td class="paramname">statement</td><td>- the SQL statement to execute </td></tr>
    <tr><td class="paramname">random</td><td>- 1 to support random access to results (seek any row); 0 to support only looping through results in order (async access - faster) </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a0c9507b1cdf1a221165e7e48e6b54404">&#9670;&#160;</a></span>set_dbname</h2>

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          <td class="memname">int(* apr_dbd_driver_t::set_dbname) (apr_pool_t *pool, apr_dbd_t *handle, const char *<a class="el" href="structapr__dbd__driver__t.html#a5483b4c47dde6814395bebfb7959fb37">name</a>)</td>
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<p>set_dbname: select database name. May be a no-op if not supported.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- working pool </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">name</td><td>- the database to select </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a665ebdcc7ccf31b394aa25b138425331">&#9670;&#160;</a></span>start_transaction</h2>

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          <td class="memname">int(* apr_dbd_driver_t::start_transaction) (apr_pool_t *pool, apr_dbd_t *handle, apr_dbd_transaction_t **trans)</td>
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<p>transaction: start a transaction. May be a no-op.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pool</td><td>- a pool to use for error messages (if any). </td></tr>
    <tr><td class="paramname">handle</td><td>- the connection </td></tr>
    <tr><td class="paramname">trans</td><td>- ptr to a transaction. May be null on entry </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for success or error code </dd></dl>

</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a00d4b7a3362ced55e9b5f0c2513aa284">&#9670;&#160;</a></span>transaction_mode_get</h2>

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          <td class="memname">int(* apr_dbd_driver_t::transaction_mode_get) (apr_dbd_transaction_t *trans)</td>
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<p>transaction_mode_get: get the mode of transaction</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">trans</td><td>- the transaction. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>mode of transaction </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a81620ae15072e50976ddca1808efbba4">&#9670;&#160;</a></span>transaction_mode_set</h2>

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          <td class="memname">int(* apr_dbd_driver_t::transaction_mode_set) (apr_dbd_transaction_t *trans, int mode)</td>
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<p>transaction_mode_set: get the mode of transaction</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">trans</td><td>- the transaction. </td></tr>
    <tr><td class="paramname">mode</td><td>- new mode of the transaction </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the mode of transaction in force after the call </dd></dl>

</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="apr__dbd__internal_8h_source.html">apr_dbd_internal.h</a></li>
</ul>
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