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  • Committer: Padraig O'Sullivan
  • Date: 2010-04-17 01:38:47 UTC
  • mfrom: (1237.9.238 bad-staging)
  • Revision ID: osullivan.padraig@gmail.com-20100417013847-ibjioqsfbmf5yg4g
Merge trunk.

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Lines of Context:
plugin/function_engine/function.cc
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using namespace std;
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using namespace drizzled;
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static SchemaIdentifier INFORMATION_SCHEMA_IDENTIFIER("INFORMATION_SCHEMA");
 
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static SchemaIdentifier DATA_DICTIONARY_IDENTIFIER("DATA_DICTIONARY");
 
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Function::Function(const std::string &name_arg) :
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  drizzled::plugin::StorageEngine(name_arg,
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                                  HTON_ALTER_NOT_SUPPORTED |
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                                  HTON_HAS_SCHEMA_DICTIONARY |
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                                  HTON_HAS_DATA_DICTIONARY |
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                                  HTON_SKIP_STORE_LOCK |
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                                  HTON_TEMPORARY_NOT_SUPPORTED)
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{
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}
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int Function::doGetTableDefinition(Session &,
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                                     const char *path,
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                                     const char *,
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                                     const char *,
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                                     const bool,
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                                     message::Table *table_proto)
 
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                                   TableIdentifier &identifier,
 
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                                   message::Table &table_proto)
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{
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  string tab_name(path);
 
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  string tab_name(identifier.getPath());
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  transform(tab_name.begin(), tab_name.end(),
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            tab_name.begin(), ::tolower);
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    return ENOENT;
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  }
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  if (table_proto)
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  {
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    function->define(*table_proto);
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  }
 
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  function->define(table_proto);
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  return EEXIST;
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}
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void Function::doGetTableNames(drizzled::CachedDirectory&, 
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                               string &db, 
 
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                               drizzled::SchemaIdentifier &schema_identifier,
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                               set<string> &set_of_names)
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{
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  drizzled::plugin::TableFunction::getNames(db, set_of_names);
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}
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void Function::doGetSchemaNames(std::set<std::string>& set_of_names)
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{
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  set_of_names.insert("information_schema"); // special cases suck
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  set_of_names.insert("data_dictionary"); // special cases suck
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}
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bool Function::doGetSchemaDefinition(const std::string &schema_name, message::Schema &schema_message)
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{
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  if (not schema_name.compare("information_schema"))
 
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  drizzled::plugin::TableFunction::getNames(schema_identifier.getSchemaName(), set_of_names);
 
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}
 
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void Function::doGetSchemaIdentifiers(SchemaIdentifierList& schemas)
 
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{
 
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  schemas.push_back(INFORMATION_SCHEMA_IDENTIFIER);
 
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  schemas.push_back(DATA_DICTIONARY_IDENTIFIER);
 
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}
 
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bool Function::doGetSchemaDefinition(SchemaIdentifier &schema_identifier, message::Schema &schema_message)
 
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{
 
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  if (schema_identifier == INFORMATION_SCHEMA_IDENTIFIER)
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  {
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    schema_message.set_name("information_schema");
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    schema_message.set_collation("utf8_general_ci");
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  }
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  else if (not schema_name.compare("data_dictionary"))
 
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  else if (schema_identifier == DATA_DICTIONARY_IDENTIFIER)
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  {
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    schema_message.set_name("data_dictionary");
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    schema_message.set_collation("utf8_general_ci");
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  return true;
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}
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bool Function::doCanCreateTable(const drizzled::TableIdentifier &identifier)
 
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bool Function::doCanCreateTable(drizzled::TableIdentifier &table_identifier)
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{
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  if (not strcasecmp(identifier.getSchemaName(), "information_schema"))
 
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  if (static_cast<SchemaIdentifier&>(table_identifier) == INFORMATION_SCHEMA_IDENTIFIER)
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  {
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    return false;
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  }
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  if (not strcasecmp(identifier.getSchemaName(), "data_dictionary"))
 
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  else if (static_cast<SchemaIdentifier&>(table_identifier) == DATA_DICTIONARY_IDENTIFIER)
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  {
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    return false;
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  }
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  return true;
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}
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static drizzled::plugin::StorageEngine *function_plugin= NULL;
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static int init(drizzled::plugin::Registry &registry)
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{
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  function_plugin= new(std::nothrow) Function("FunctionEngine");
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  if (not function_plugin)
 
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bool Function::doDoesTableExist(Session&, TableIdentifier &identifier)
 
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{
 
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  drizzled::plugin::TableFunction *function= getFunction(identifier.getPath());
 
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  if (function)
 
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    return true;
 
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  return false;
 
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}
 
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void Function::doGetTableIdentifiers(drizzled::CachedDirectory&,
 
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                                     drizzled::SchemaIdentifier &schema_identifier,
 
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                                     drizzled::TableIdentifiers &set_of_identifiers)
 
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{
 
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  set<string> set_of_names;
 
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  drizzled::plugin::TableFunction::getNames(schema_identifier.getSchemaName(), set_of_names);
 
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  for (set<string>::iterator iter= set_of_names.begin(); iter != set_of_names.end(); iter++)
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  {
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    return 1;
 
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    set_of_identifiers.push_back(TableIdentifier(schema_identifier, *iter));
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  }
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  registry.add(function_plugin);
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  return 0;
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}
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static int finalize(drizzled::plugin::Registry &registry)
 
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static int init(drizzled::plugin::Context &context)
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{
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  registry.remove(function_plugin);
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  delete function_plugin;
 
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  context.add(new Function("FunctionEngine"));
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  return 0;
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}
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  "Function Engine provides the infrastructure for Table Functions,etc.",
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  PLUGIN_LICENSE_GPL,
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  init,     /* Plugin Init */
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  finalize,     /* Plugin Deinit */
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  NULL,               /* system variables */
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  NULL                /* config options   */
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}