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Viewing changes to drizzled/statement/alter_schema.cc

  • Committer: Brian Aker
  • Date: 2011-01-25 05:20:15 UTC
  • mto: (2109.1.6 drizzle-build)
  • mto: This revision was merged to the branch mainline in revision 2112.
  • Revision ID: brian@tangent.org-20110125052015-nw5jhmiq0at1qt9u
Merge in reference from pointer.

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drizzled/statement/alter_schema.cc
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bool statement::AlterSchema::execute()
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{
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  LEX_STRING *db= &session->lex->name;
 
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  LEX_STRING *db= &getSession()->lex->name;
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  message::schema::shared_ptr old_definition;
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  if (not validateSchemaOptions())
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    return true;
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  SchemaIdentifier schema_identifier(string(db->str, db->length));
 
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  identifier::Schema schema_identifier(string(db->str, db->length));
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  if (not check_db_name(session, schema_identifier))
 
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  if (not check_db_name(getSession(), schema_identifier))
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  {
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    std::string path;
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    schema_identifier.getSQLPath(path);
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    my_error(ER_WRONG_DB_NAME, MYF(0), path.c_str());
 
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    my_error(ER_WRONG_DB_NAME, schema_identifier);
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    return false;
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  }
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  SchemaIdentifier identifier(db->str);
 
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  identifier::Schema identifier(db->str);
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  if (not plugin::StorageEngine::getSchemaDefinition(identifier, old_definition))
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  {
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    my_error(ER_SCHEMA_DOES_NOT_EXIST, MYF(0), db->str);
 
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    my_error(ER_SCHEMA_DOES_NOT_EXIST, identifier); 
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    return true;
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  }
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  if (session->inTransaction())
 
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  if (getSession()->inTransaction())
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  {
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    my_message(ER_LOCK_OR_ACTIVE_TRANSACTION, 
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               ER(ER_LOCK_OR_ACTIVE_TRANSACTION), 
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               MYF(0));
 
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    my_error(ER_TRANSACTIONAL_DDL_NOT_SUPPORTED, MYF(0));
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    return true;
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  }
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  /*
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    @todo right now the logic for alter schema is just sitting here, at some point this should be packaged up in a class/etc.
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  */
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  // First initialize the schema message
 
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  drizzled::message::schema::init(schema_message, old_definition->name());
 
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  // We set the name from the old version to keep case preference
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  schema_message.set_name(old_definition->name());
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  schema_message.set_version(old_definition->version());
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  schema_message.set_uuid(old_definition->uuid());
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  schema_message.mutable_engine()->set_name(old_definition->engine().name());
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  drizzled::message::update(schema_message);
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  bool res= mysql_alter_db(session, schema_message);
 
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  bool res= alter_db(getSession(), schema_message, old_definition);
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  return not res;
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}