Esempio n. 1
0
int main(int argc, char** argv){

  BaseString sql;
  if ((handle_options(&argc, &argv, my_long_options, NULL)))
    return 2;

  printf("#\n");
  printf("# SQL commands for creating the tables in MySQL Server which\n");
  printf("# are used by the NDBINFO storage engine to access system\n");
  printf("# information and statistics from MySQL Cluster\n");
  printf("#\n");

  printf("# Only create objects if NDBINFO is supported\n");
  printf("SELECT @have_ndbinfo:= COUNT(*) FROM "
                  "information_schema.engines WHERE engine='NDBINFO' "
                  "AND support IN ('YES', 'DEFAULT');\n\n");

  printf("# Only create objects if version >= 7.1\n");
  sql.assfmt("SELECT @have_ndbinfo:="
             " (@@ndbinfo_version >= (7 << 16) | (1 << 8)) || @ndbinfo_skip_version_check");
  print_conditional_sql(sql);

  sql.assfmt("CREATE DATABASE IF NOT EXISTS `%s`", opt_ndbinfo_db);
  print_conditional_sql(sql);

  printf("# Set NDBINFO in offline mode during (re)create of tables\n");
  printf("# and views to avoid errors caused by no such table or\n");
  printf("# different table definition in NDB\n");
  sql.assfmt("SET @@global.ndbinfo_offline=TRUE");
  print_conditional_sql(sql);

  {
    // Lookup tables which existed in other engine before
    // they were hardcoded into ha_ndbinfo. Drop to allow
    // the new ndbinfo tables(and in some cases views) to
    // be created
    const char* old_lookups[] =
    {
      "blocks",
      "dict_obj_types",
      "config_params",
      "ndb$dbtc_apiconnect_state",
      "ndb$dblqh_tcconnect_state"
    };
    printf("# Drop obsolete lookups in %s\n", opt_ndbinfo_db);
    for (size_t i = 0; i < sizeof(old_lookups)/sizeof(old_lookups[0]); i++)
    {
      sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s`",
                 opt_ndbinfo_db, old_lookups[i]);
      print_conditional_sql(sql);
    }
  }

  printf("# Drop any old views in %s\n", opt_ndbinfo_db);
  for (size_t i = 0; i < num_views; i++)
  {
    sql.assfmt("DROP VIEW IF EXISTS `%s`.`%s`",
               opt_ndbinfo_db, views[i].name);
    print_conditional_sql(sql);
  }

  printf("# Drop any old lookup tables in %s\n", opt_ndbinfo_db);
  for (size_t i = 0; i < num_lookups; i++)
  {
    BaseString table_name = replace_tags(lookups[i].name);

    sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s`",
               opt_ndbinfo_db, table_name.c_str());
    print_conditional_sql(sql);
  }

  for (int i = 0; i < Ndbinfo::getNumTables(); i++)
  {
    const Ndbinfo::Table& table = Ndbinfo::getTable(i);

    printf("# %s.%s%s\n",
            opt_ndbinfo_db, opt_table_prefix, table.m.name);

    /* Drop the table if it exists */
    sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s%s`",
               opt_ndbinfo_db, opt_table_prefix, table.m.name);
    print_conditional_sql(sql);

    /* Create the table */
    sql.assfmt("CREATE TABLE `%s`.`%s%s` (",
               opt_ndbinfo_db, opt_table_prefix, table.m.name);

    const char* separator = "";
    for(int j = 0; j < table.m.ncols ; j++)
    {
      const Ndbinfo::Column& col = table.col[j];

      sql.appfmt("%s", separator);
      separator = ",";

      sql.appfmt("`%s` ", col.name);

      switch(col.coltype)
      {
      case Ndbinfo::Number:
        sql.appfmt("INT UNSIGNED");
        break;
      case Ndbinfo:: Number64:
        sql.appfmt("BIGINT UNSIGNED");
        break;
      case Ndbinfo::String:
        sql.appfmt("VARCHAR(512)");
        break;
      default:
        fprintf(stderr, "unknown coltype: %d\n", col.coltype);
        abort();
        break;
      }

      if (col.comment[0] != '\0')
        sql.appfmt(" COMMENT \"%s\"", col.comment);

    }

    sql.appfmt(") COMMENT=\"%s\" ENGINE=NDBINFO", table.m.comment);

    print_conditional_sql(sql);

  }

  for (size_t i = 0; i < num_lookups; i++)
  {
    lookup l = lookups[i];
    BaseString table_name = replace_tags(l.name);
    printf("# %s.%s\n", opt_ndbinfo_db, table_name.c_str());

    /* Drop the table if it exists */
    sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s`",
               opt_ndbinfo_db, table_name.c_str());
    print_conditional_sql(sql);

    /* Create lookup table */
    sql.assfmt("CREATE TABLE `%s`.`%s` (%s) ENGINE=NDBINFO",
               opt_ndbinfo_db, table_name.c_str(), l.columns);
    print_conditional_sql(sql);
  }

  for (size_t i = 0; i < num_views; i++)
  {
    view v = views[i];

    printf("# %s.%s\n", opt_ndbinfo_db, v.name);

    BaseString view_sql = replace_tags(v.sql);

    /* Create or replace the view */
    BaseString sql;
    sql.assfmt("CREATE OR REPLACE DEFINER=`root`@`localhost` "
               "SQL SECURITY INVOKER VIEW `%s`.`%s` AS %s",
               opt_ndbinfo_db, v.name, view_sql.c_str());
    print_conditional_sql(sql);
  }

  printf("# Finally turn off offline mode\n");
  sql.assfmt("SET @@global.ndbinfo_offline=FALSE");
  print_conditional_sql(sql);

  return 0;
}
Esempio n. 2
0
int main(int argc, char** argv){

  BaseString sql;
  if ((handle_options(&argc, &argv, my_long_options, NULL)))
    return 2;

  printf("#\n");
  printf("# SQL commands for creating the tables in MySQL Server which\n");
  printf("# are used by the NDBINFO storage engine to access system\n");
  printf("# information and statistics from MySQL Cluster\n");
  printf("#\n");

  printf("# Only create objects if NDBINFO is supported\n");
  printf("SELECT @have_ndbinfo:= COUNT(*) FROM "
                  "information_schema.engines WHERE engine='NDBINFO' "
                  "AND support IN ('YES', 'DEFAULT');\n\n");

  printf("# Only create objects if version >= 7.1\n");
  sql.assfmt("SELECT @have_ndbinfo:="
             " (@@ndbinfo_version >= (7 << 16) | (1 << 8)) || @ndbinfo_skip_version_check");
  print_conditional_sql(sql);

  printf("# Only create objects if ndbinfo namespace is free\n");
  sql.assfmt("SET @@ndbinfo_show_hidden=TRUE");
  print_conditional_sql(sql);
  sql.assfmt("SELECT @have_ndbinfo:= COUNT(*) = 0"
             " FROM information_schema.tables WHERE"
             " table_schema = @@ndbinfo_database AND"
             " LEFT(table_name, LENGTH(@@ndbinfo_table_prefix)) ="
             " @@ndbinfo_table_prefix AND"
             " engine != \"ndbinfo\"");
  print_conditional_sql(sql);
  sql.assfmt("SET @@ndbinfo_show_hidden=default");
  print_conditional_sql(sql);

  sql.assfmt("CREATE DATABASE IF NOT EXISTS `%s`", opt_ndbinfo_db);
  print_conditional_sql(sql);

  printf("# Set NDBINFO in offline mode during (re)create of tables\n");
  printf("# and views to avoid errors caused by no such table or\n");
  printf("# different table definition in NDB\n");
  sql.assfmt("SET @@global.ndbinfo_offline=TRUE");
  print_conditional_sql(sql);

  printf("# Drop any old views in %s\n", opt_ndbinfo_db);
  for (size_t i = 0; i < num_views; i++)
  {
    sql.assfmt("DROP VIEW IF EXISTS `%s`.`%s`",
               opt_ndbinfo_db, views[i].name);
    print_conditional_sql(sql);
  }

  printf("# Drop any old lookup tables in %s\n", opt_ndbinfo_db);
  for (size_t i = 0; i < num_lookups; i++)
  {
    BaseString table_name = replace_tags(lookups[i].name);

    sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s`",
               opt_ndbinfo_db, table_name.c_str());
    print_conditional_sql(sql);
  }

  for (int i = 0; i < Ndbinfo::getNumTables(); i++)
  {
    const Ndbinfo::Table& table = Ndbinfo::getTable(i);

    printf("# %s.%s%s\n",
            opt_ndbinfo_db, opt_table_prefix, table.m.name);

    /* Drop the table if it exists */
    sql.assfmt("DROP TABLE IF EXISTS `%s`.`%s%s`",
               opt_ndbinfo_db, opt_table_prefix, table.m.name);
    print_conditional_sql(sql);

    /* Create the table */
    sql.assfmt("CREATE TABLE `%s`.`%s%s` (",
               opt_ndbinfo_db, opt_table_prefix, table.m.name);

    const char* separator = "";
    for(int j = 0; j < table.m.ncols ; j++)
    {
      const Ndbinfo::Column& col = table.col[j];

      sql.appfmt("%s", separator);
      separator = ",";

      sql.appfmt("`%s` ", col.name);

      switch(col.coltype)
      {
      case Ndbinfo::Number:
        sql.appfmt("INT UNSIGNED");
        break;
      case Ndbinfo:: Number64:
        sql.appfmt("BIGINT UNSIGNED");
        break;
      case Ndbinfo::String:
        sql.appfmt("VARCHAR(512)");
        break;
      default:
        fprintf(stderr, "unknown coltype: %d\n", col.coltype);
        abort();
        break;
      }

      if (col.comment[0] != '\0')
        sql.appfmt(" COMMENT \"%s\"", col.comment);

    }

    sql.appfmt(") COMMENT=\"%s\" ENGINE=NDBINFO", table.m.comment);

    print_conditional_sql(sql);

  }

  for (size_t i = 0; i < num_lookups; i++)
  {
    lookup l = lookups[i];
    BaseString table_name = replace_tags(l.name);
    printf("# %s.%s\n", opt_ndbinfo_db, table_name.c_str());

    /* Create lookup table */
    sql.assfmt("CREATE TABLE `%s`.`%s` (%s)",
               opt_ndbinfo_db, table_name.c_str(), l.columns);
    print_conditional_sql(sql);

    /* Insert data */
    sql.assfmt("INSERT INTO `%s`.`%s` VALUES ",
               opt_ndbinfo_db, table_name.c_str());
    l.fill(sql);
    print_conditional_sql(sql);
  }

  for (size_t i = 0; i < num_views; i++)
  {
    view v = views[i];

    printf("# %s.%s\n", opt_ndbinfo_db, v.name);

    BaseString view_sql = replace_tags(v.sql);

    /* Create or replace the view */
    BaseString sql;
    sql.assfmt("CREATE OR REPLACE DEFINER=`root@localhost` "
               "SQL SECURITY INVOKER VIEW `%s`.`%s` AS %s",
               opt_ndbinfo_db, v.name, view_sql.c_str());
    print_conditional_sql(sql);
  }

  printf("# Finally turn off offline mode\n");
  sql.assfmt("SET @@global.ndbinfo_offline=FALSE");
  print_conditional_sql(sql);

  return 0;
}