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Viewing changes to plugin/syslog/module.cc

Merge Joe, plus I updated the tests.

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plugin/syslog/module.cc
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 */
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#include "config.h"
 
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#include "module.h"
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#include <drizzled/plugin.h>
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#include <drizzled/plugin/logging.h>
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#include <drizzled/plugin/error_message.h>
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#include <drizzled/plugin/function.h>
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#include "wrap.h"
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#include "logging.h"
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#include "errmsg.h"
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#include "function.h"
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#include <iostream>
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#include <boost/program_options.hpp>
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#include <drizzled/module/option_map.h>
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namespace po= boost::program_options;
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using namespace std;
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using namespace drizzled;
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namespace drizzle_plugin
 
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namespace syslog_module
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{
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bool sysvar_logging_enable= false;
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bool sysvar_errmsg_enable= false;
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uint64_constraint sysvar_logging_threshold_slow;
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uint64_constraint sysvar_logging_threshold_big_resultset;
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uint64_constraint sysvar_logging_threshold_big_examined;
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char* sysvar_ident;
 
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char* sysvar_facility;
 
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bool sysvar_logging_enable;
 
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char* sysvar_logging_priority;
 
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unsigned long sysvar_logging_threshold_slow;
 
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unsigned long sysvar_logging_threshold_big_resultset;
 
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unsigned long sysvar_logging_threshold_big_examined;
 
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bool sysvar_errmsg_enable;
 
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char* sysvar_errmsg_priority;
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static int init(drizzled::module::Context &context)
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{
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  const module::option_map &vm= context.getOptions();
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  WrapSyslog::singleton().openlog(vm["ident"].as<string>());
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  if (sysvar_errmsg_enable)
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  {
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    context.add(new error_message::Syslog(vm["facility"].as<string>(),
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                                          vm["errmsg-priority"].as<string>()));
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  }
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  if (sysvar_logging_enable)
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  {
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    context.add(new logging::Syslog(vm["facility"].as<string>(),
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                                    vm["logging-priority"].as<string>(),
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                                    sysvar_logging_threshold_slow.get(),
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                                    sysvar_logging_threshold_big_resultset.get(),
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                                    sysvar_logging_threshold_big_examined.get()));
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  }
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  context.add(new plugin::Create_function<udf::Syslog>("syslog"));
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  context.registerVariable(new sys_var_const_string_val("facility",
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                                                        vm["facility"].as<string>()));
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  context.registerVariable(new sys_var_const_string_val("errmsg_priority",
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                                                        vm["errmsg-priority"].as<string>()));
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  context.registerVariable(new sys_var_const_string_val("logging_priority",
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                                                        vm["logging-priority"].as<string>()));
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  context.registerVariable(new sys_var_bool_ptr_readonly("logging_enable",
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                                                         &sysvar_logging_enable));
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  context.registerVariable(new sys_var_bool_ptr_readonly("errmsg_enable",
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                                                         &sysvar_errmsg_enable));
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_slow",
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                                                                            sysvar_logging_threshold_slow));
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_resultset",
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                                                                            sysvar_logging_threshold_big_resultset));
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_examined",
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                                                                            sysvar_logging_threshold_big_examined));
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  context.add(new Logging_syslog());
 
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  context.add(new ErrorMessage_syslog());
 
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  context.add(new plugin::Create_function<Function_syslog>("syslog"));
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  return 0;
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}
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static void init_options(drizzled::module::option_context &context)
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{
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  context("ident",
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          po::value<string>()->default_value("drizzled"),
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          _("Syslog Ident"));
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  context("facility",
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          po::value<string>()->default_value("local0"),
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          _("Syslog Facility"));
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  context("logging-enable",
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          po::value<bool>(&sysvar_logging_enable)->default_value(false)->zero_tokens(),
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          _("Enable logging to syslog of the query log"));
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  context("logging-priority",
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          po::value<string>()->default_value("warning"),
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          _("Syslog Priority of query logging"));
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  context("logging-threshold-slow",
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          po::value<uint64_constraint>(&sysvar_logging_threshold_slow)->default_value(0),
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          _("Threshold for logging slow queries, in microseconds"));
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  context("logging-threshold-big-resultset",
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          po::value<uint64_constraint>(&sysvar_logging_threshold_big_resultset)->default_value(0),
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          _("Threshold for logging big queries, for rows returned"));
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  context("logging-threshold-big-examined",
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          po::value<uint64_constraint>(&sysvar_logging_threshold_big_examined)->default_value(0),
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          _("Threshold for logging big queries, for rows examined"));
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  context("errmsg-enable",
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          po::value<bool>(&sysvar_errmsg_enable)->default_value(false)->zero_tokens(),
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          _("Enable logging to syslog of the error messages"));
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  context("errmsg-priority",
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          po::value<string>()->default_value("warning"),
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          _("Syslog Priority of error messages"));
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}
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} /* namespace drizzle_plugin */
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DRIZZLE_PLUGIN(drizzle_plugin::init, NULL, drizzle_plugin::init_options);
 
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static DRIZZLE_SYSVAR_STR(
 
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  ident,
 
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  sysvar_ident,
 
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  PLUGIN_VAR_READONLY,
 
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  N_("Syslog Ident"),
 
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  NULL, /* check func */
 
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  NULL, /* update func*/
 
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  "drizzled" /* default */);
 
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static DRIZZLE_SYSVAR_STR(
 
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  facility,
 
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  sysvar_facility,
 
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  PLUGIN_VAR_READONLY,
 
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  N_("Syslog Facility"),
 
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  NULL, /* check func */
 
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  NULL, /* update func*/
 
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  "local0" /* default */);  // local0 is what PostGreSQL uses by default
 
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static DRIZZLE_SYSVAR_BOOL(
 
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  logging_enable,
 
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  sysvar_logging_enable,
 
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  PLUGIN_VAR_NOCMDARG,
 
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  N_("Enable logging to syslog of the query log"),
 
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  NULL, /* check func */
 
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  NULL, /* update func */
 
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  false /* default */);
 
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static DRIZZLE_SYSVAR_STR(
 
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  logging_priority,
 
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  sysvar_logging_priority,
 
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  PLUGIN_VAR_READONLY,
 
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  N_("Syslog Priority of query logging"),
 
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  NULL, /* check func */
 
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  NULL, /* update func*/
 
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  "info" /* default */);
 
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static DRIZZLE_SYSVAR_ULONG(
 
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  logging_threshold_slow,
 
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  sysvar_logging_threshold_slow,
 
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  PLUGIN_VAR_OPCMDARG,
 
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  N_("Threshold for logging slow queries, in microseconds"),
 
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  NULL, /* check func */
 
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  NULL, /* update func */
 
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  0, /* default */
 
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  0, /* min */
 
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  ULONG_MAX, /* max */
 
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  0 /* blksiz */);
 
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static DRIZZLE_SYSVAR_ULONG(
 
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  logging_threshold_big_resultset,
 
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  sysvar_logging_threshold_big_resultset,
 
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  PLUGIN_VAR_OPCMDARG,
 
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  N_("Threshold for logging big queries, for rows returned"),
 
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  NULL, /* check func */
 
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  NULL, /* update func */
 
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  0, /* default */
 
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  0, /* min */
 
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  ULONG_MAX, /* max */
 
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  0 /* blksiz */);
 
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static DRIZZLE_SYSVAR_ULONG(
 
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  logging_threshold_big_examined,
 
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  sysvar_logging_threshold_big_examined,
 
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  PLUGIN_VAR_OPCMDARG,
 
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  N_("Threshold for logging big queries, for rows examined"),
 
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  NULL, /* check func */
 
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  NULL, /* update func */
 
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  0, /* default */
 
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  0, /* min */
 
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  ULONG_MAX, /* max */
 
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  0 /* blksiz */);
 
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static DRIZZLE_SYSVAR_BOOL(
 
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  errmsg_enable,
 
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  sysvar_errmsg_enable,
 
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  PLUGIN_VAR_NOCMDARG,
 
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  N_("Enable logging to syslog of the error messages"),
 
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  NULL, /* check func */
 
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  NULL, /* update func */
 
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  false /* default */);
 
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static DRIZZLE_SYSVAR_STR(
 
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  errmsg_priority,
 
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  sysvar_errmsg_priority,
 
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  PLUGIN_VAR_READONLY,
 
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  N_("Syslog Priority of error messages"),
 
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  NULL, /* check func */
 
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  NULL, /* update func*/
 
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  "warning" /* default */);
 
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static drizzle_sys_var* system_variables[]= {
 
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  DRIZZLE_SYSVAR(ident),
 
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  DRIZZLE_SYSVAR(facility),
 
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  DRIZZLE_SYSVAR(logging_enable),
 
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  DRIZZLE_SYSVAR(logging_priority),
 
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  DRIZZLE_SYSVAR(logging_threshold_slow),
 
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  DRIZZLE_SYSVAR(logging_threshold_big_resultset),
 
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  DRIZZLE_SYSVAR(logging_threshold_big_examined),
 
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  DRIZZLE_SYSVAR(errmsg_enable),
 
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  DRIZZLE_SYSVAR(errmsg_priority),
 
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  NULL
 
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};
 
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} // namespace syslog_module
 
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DRIZZLE_PLUGIN(syslog_module::init, syslog_module::system_variables, NULL);