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<title>Module cloudi_service_db_pgsql</title>
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<h1>Module cloudi_service_db_pgsql</h1>
<ul class="index"><li><a href="#description">Description</a></li><li><a href="#types">Data Types</a></li><li><a href="#index">Function Index</a></li><li><a href="#functions">Function Details</a></li></ul>
<h3><a name="CloudI_PostgreSQL_Data_Module">CloudI PostgreSQL Data Module</a></h3>.
<p>Copyright © 2009-2015 Michael Truog</p>
<p><b>Version:</b> 1.5.0 Apr 12 2015 21:30:35
------------------------------------------------------------------------</p>
<p><b>Behaviours:</b> <a href="deps/cloudi_core/doc/cloudi_service.html"><tt>cloudi_service</tt></a>.</p>
<p><b>Authors:</b> Michael Truog (<a href="mailto:mjtruog [at] gmail (dot) com"><tt>mjtruog [at] gmail (dot) com</tt></a>).</p>
<h2><a name="description">Description</a></h2>
<h3><a name="CloudI_PostgreSQL_Data_Module">CloudI PostgreSQL Data Module</a></h3>
<h2><a name="types">Data Types</a></h2>
<h3 class="typedecl"><a name="type-agent">agent()</a></h3>
<p><tt>agent() = <a href="deps/cloudi_core/doc/cloudi.html#type-agent">cloudi:agent()</a></tt></p>
<h3 class="typedecl"><a name="type-common_result">common_result()</a></h3>
<p><tt>common_result() = {updated, <a href="#type-count">count()</a>} | {updated, <a href="#type-count">count()</a>, <a href="#type-rows">rows()</a>} | {selected, <a href="#type-rows">rows()</a>} | {error, any()}</tt></p>
<h3 class="typedecl"><a name="type-count">count()</a></h3>
<p><tt>count() = non_neg_integer()</tt></p>
<h3 class="typedecl"><a name="type-external_response">external_response()</a></h3>
<p><tt>external_response(Result) = {{ok, Result}, NewAgent::<a href="#type-agent">agent()</a>} | {{error, <a href="deps/cloudi_core/doc/cloudi.html#type-error_reason_sync">cloudi:error_reason_sync()</a>}, NewAgent::<a href="#type-agent">agent()</a>}</tt></p>
<h3 class="typedecl"><a name="type-rows">rows()</a></h3>
<p><tt>rows() = [tuple()]</tt></p>
<h3 class="typedecl"><a name="type-service_name">service_name()</a></h3>
<p><tt>service_name() = <a href="deps/cloudi_core/doc/cloudi.html#type-service_name">cloudi:service_name()</a></tt></p>
<h3 class="typedecl"><a name="type-timeout_milliseconds">timeout_milliseconds()</a></h3>
<p><tt>timeout_milliseconds() = <a href="deps/cloudi_core/doc/cloudi.html#type-timeout_milliseconds">cloudi:timeout_milliseconds()</a></tt></p>
<h2><a name="index">Function Index</a></h2>
<table width="100%" border="1" cellspacing="0" cellpadding="2" summary="function index"><tr><td valign="top"><a href="#binary_to_bytea-1">binary_to_bytea/1</a></td><td>
<h4><a name="Postgres_string_encoding_of_binary_data.">Postgres string encoding of binary data.</a></h4>
Better to use equery.</td></tr>
<tr><td valign="top"><a href="#cloudi_service_handle_info-3">cloudi_service_handle_info/3</a></td><td></td></tr>
<tr><td valign="top"><a href="#cloudi_service_handle_request-11">cloudi_service_handle_request/11</a></td><td></td></tr>
<tr><td valign="top"><a href="#cloudi_service_init-4">cloudi_service_init/4</a></td><td></td></tr>
<tr><td valign="top"><a href="#cloudi_service_terminate-3">cloudi_service_terminate/3</a></td><td></td></tr>
<tr><td valign="top"><a href="#equery-4">equery/4</a></td><td>
<h4><a name="An_extended_SQL_query.">An extended SQL query.</a></h4>.</td></tr>
<tr><td valign="top"><a href="#equery-5">equery/5</a></td><td>
<h4><a name="An_extended_SQL_query_with_a_timeout.">An extended SQL query with a timeout.</a></h4>.</td></tr>
<tr><td valign="top"><a href="#squery-3">squery/3</a></td><td>
<h4><a name="A_SQL_simple_query.">A SQL simple query.</a></h4>.</td></tr>
<tr><td valign="top"><a href="#squery-4">squery/4</a></td><td>
<h4><a name="A_SQL_simple_query_with_a_timeout.">A SQL simple query with a timeout.</a></h4>.</td></tr>
<tr><td valign="top"><a href="#transaction-3">transaction/3</a></td><td>
<h4><a name="A_list_of_SQL_simple_query_for_a_transaction.">A list of SQL simple query for a transaction.</a></h4>.</td></tr>
<tr><td valign="top"><a href="#transaction-4">transaction/4</a></td><td>
<h4><a name="A_list_of_SQL_simple_query_for_a_transaction_with_a_timeout.">A list of SQL simple query for a transaction with a timeout.</a></h4>.</td></tr>
</table>
<h2><a name="functions">Function Details</a></h2>
<h3 class="function"><a name="binary_to_bytea-1">binary_to_bytea/1</a></h3>
<div class="spec">
<p><tt>binary_to_bytea(B::binary()) -> string()</tt><br></p>
</div><p>
<h4><a name="Postgres_string_encoding_of_binary_data.">Postgres string encoding of binary data.</a></h4>
Better to use equery.</p>
<h3 class="function"><a name="cloudi_service_handle_info-3">cloudi_service_handle_info/3</a></h3>
<div class="spec">
<p><tt>cloudi_service_handle_info(Request, State, Dispatcher) -> any()</tt></p>
</div>
<h3 class="function"><a name="cloudi_service_handle_request-11">cloudi_service_handle_request/11</a></h3>
<div class="spec">
<p><tt>cloudi_service_handle_request(Type, Name, Pattern, RequestInfo, Request, Timeout, Priority, TransId, Pid, State, Dispatcher) -> any()</tt></p>
</div>
<h3 class="function"><a name="cloudi_service_init-4">cloudi_service_init/4</a></h3>
<div class="spec">
<p><tt>cloudi_service_init(Args, Prefix, Timeout, Dispatcher) -> any()</tt></p>
</div>
<h3 class="function"><a name="cloudi_service_terminate-3">cloudi_service_terminate/3</a></h3>
<div class="spec">
<p><tt>cloudi_service_terminate(Reason, Timeout, State) -> any()</tt></p>
</div>
<h3 class="function"><a name="equery-4">equery/4</a></h3>
<div class="spec">
<p><tt>equery(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, Query::string() | binary(), Parameters::list()) -> <a href="#type-external_response">external_response</a>(any())</tt><br></p>
</div><p>
<h4><a name="An_extended_SQL_query.">An extended SQL query.</a></h4>
</p>
<h3 class="function"><a name="equery-5">equery/5</a></h3>
<div class="spec">
<p><tt>equery(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, Query::string() | binary(), Parameters::list(), Timeout::<a href="#type-timeout_milliseconds">timeout_milliseconds()</a>) -> <a href="#type-external_response">external_response</a>(any())</tt><br></p>
</div><p>
<h4><a name="An_extended_SQL_query_with_a_timeout.">An extended SQL query with a timeout.</a></h4>
</p>
<h3 class="function"><a name="squery-3">squery/3</a></h3>
<div class="spec">
<p><tt>squery(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, Query::string() | binary()) -> <a href="#type-external_response">external_response</a>(any())</tt><br></p>
</div><p>
<h4><a name="A_SQL_simple_query.">A SQL simple query.</a></h4>
</p>
<h3 class="function"><a name="squery-4">squery/4</a></h3>
<div class="spec">
<p><tt>squery(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, Query::string() | binary(), Timeout::<a href="#type-timeout_milliseconds">timeout_milliseconds()</a>) -> <a href="#type-external_response">external_response</a>(any())</tt><br></p>
</div><p>
<h4><a name="A_SQL_simple_query_with_a_timeout.">A SQL simple query with a timeout.</a></h4>
</p>
<h3 class="function"><a name="transaction-3">transaction/3</a></h3>
<div class="spec">
<p><tt>transaction(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, QueryList::[string() | binary()]) -> <a href="#type-external_response">external_response</a>(ok | {error, any()})</tt><br></p>
</div><p>
<h4><a name="A_list_of_SQL_simple_query_for_a_transaction.">A list of SQL simple query for a transaction.</a></h4>
</p>
<h3 class="function"><a name="transaction-4">transaction/4</a></h3>
<div class="spec">
<p><tt>transaction(Agent::<a href="#type-agent">agent()</a>, Name::<a href="#type-service_name">service_name()</a>, QueryList::[string() | binary()], Timeout::<a href="#type-timeout_milliseconds">timeout_milliseconds()</a>) -> <a href="#type-external_response">external_response</a>(ok | {error, any()})</tt><br></p>
</div><p>
<h4><a name="A_list_of_SQL_simple_query_for_a_transaction_with_a_timeout.">A list of SQL simple query for a transaction with a timeout.</a></h4>
</p>
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<p><i>Generated by EDoc, Apr 12 2015, 21:30:36.</i></p>
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