listTables.cpp
上传用户:romrleung
上传日期:2022-05-23
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文件大小:7k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /*
- * list_tables
- *
- * List objects(tables, triggers, etc.) in NDB Cluster
- *
- */
- #include <ndb_global.h>
- #include <ndb_opts.h>
- #include <NdbApi.hpp>
- #include <NDBT.hpp>
- static Ndb_cluster_connection *ndb_cluster_connection= 0;
- static Ndb* ndb = 0;
- static NdbDictionary::Dictionary* dic = 0;
- static int _unqualified = 0;
- static void
- fatal(char const* fmt, ...)
- {
- va_list ap;
- char buf[500];
- va_start(ap, fmt);
- BaseString::vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
- ndbout << buf;
- if (ndb)
- ndbout << " - " << ndb->getNdbError();
- ndbout << endl;
- NDBT_ProgramExit(NDBT_FAILED);
- exit(1);
- }
- static void
- fatal_dict(char const* fmt, ...)
- {
- va_list ap;
- char buf[500];
- va_start(ap, fmt);
- BaseString::vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
- ndbout << buf;
- if (dic)
- ndbout << " - " << dic->getNdbError();
- ndbout << endl;
- NDBT_ProgramExit(NDBT_FAILED);
- exit(1);
- }
- static void
- list(const char * tabname,
- NdbDictionary::Object::Type type)
- {
- NdbDictionary::Dictionary::List list;
- if (tabname == 0) {
- if (dic->listObjects(list, type) == -1)
- fatal_dict("listObjects");
- } else {
- if (dic->listIndexes(list, tabname) == -1)
- fatal_dict("listIndexes");
- }
- if (ndb->usingFullyQualifiedNames())
- ndbout_c("%-5s %-20s %-8s %-7s %-12s %-8s %s", "id", "type", "state", "logging", "database", "schema", "name");
- else
- ndbout_c("%-5s %-20s %-8s %-7s %s", "id", "type", "state", "logging", "name");
- for (unsigned i = 0; i < list.count; i++) {
- NdbDictionary::Dictionary::List::Element& elt = list.elements[i];
- char type[100];
- bool isTable = false;
- switch (elt.type) {
- case NdbDictionary::Object::SystemTable:
- strcpy(type, "SystemTable");
- isTable = true;
- break;
- case NdbDictionary::Object::UserTable:
- strcpy(type, "UserTable");
- isTable = true;
- break;
- case NdbDictionary::Object::UniqueHashIndex:
- strcpy(type, "UniqueHashIndex");
- isTable = true;
- break;
- case NdbDictionary::Object::OrderedIndex:
- strcpy(type, "OrderedIndex");
- isTable = true;
- break;
- case NdbDictionary::Object::HashIndexTrigger:
- strcpy(type, "HashIndexTrigger");
- break;
- case NdbDictionary::Object::IndexTrigger:
- strcpy(type, "IndexTrigger");
- break;
- case NdbDictionary::Object::SubscriptionTrigger:
- strcpy(type, "SubscriptionTrigger");
- break;
- case NdbDictionary::Object::ReadOnlyConstraint:
- strcpy(type, "ReadOnlyConstraint");
- break;
- default:
- sprintf(type, "%d", (int)elt.type);
- break;
- }
- char state[100];
- switch (elt.state) {
- case NdbDictionary::Object::StateOffline:
- strcpy(state, "Offline");
- break;
- case NdbDictionary::Object::StateBuilding:
- strcpy(state, "Building");
- break;
- case NdbDictionary::Object::StateDropping:
- strcpy(state, "Dropping");
- break;
- case NdbDictionary::Object::StateOnline:
- strcpy(state, "Online");
- break;
- case NdbDictionary::Object::StateBackup:
- strcpy(state, "Backup");
- break;
- case NdbDictionary::Object::StateBroken:
- strcpy(state, "Broken");
- break;
- default:
- sprintf(state, "%d", (int)elt.state);
- break;
- }
- char store[100];
- if (! isTable)
- strcpy(store, "-");
- else {
- switch (elt.store) {
- case NdbDictionary::Object::StoreTemporary:
- strcpy(store, "No");
- break;
- case NdbDictionary::Object::StorePermanent:
- strcpy(store, "Yes");
- break;
- default:
- sprintf(state, "%d", (int)elt.store);
- break;
- }
- }
- if (ndb->usingFullyQualifiedNames())
- ndbout_c("%-5d %-20s %-8s %-7s %-12s %-8s %s", elt.id, type, state, store, (elt.database)?elt.database:"", (elt.schema)?elt.schema:"", elt.name);
- else
- ndbout_c("%-5d %-20s %-8s %-7s %s", elt.id, type, state, store, elt.name);
- }
- }
- NDB_STD_OPTS_VARS;
- static const char* _dbname = "TEST_DB";
- static int _loops;
- static int _type;
- static struct my_option my_long_options[] =
- {
- NDB_STD_OPTS("ndb_show_tables"),
- { "database", 'd', "Name of database table is in",
- (gptr*) &_dbname, (gptr*) &_dbname, 0,
- GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
- { "loops", 'l', "loops",
- (gptr*) &_loops, (gptr*) &_loops, 0,
- GET_INT, REQUIRED_ARG, 1, 0, 0, 0, 0, 0 },
- { "type", 't', "type",
- (gptr*) &_type, (gptr*) &_type, 0,
- GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
- { "unqualified", 'u', "Use unqualified table names",
- (gptr*) &_unqualified, (gptr*) &_unqualified, 0,
- GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
- };
- static void usage()
- {
- char desc[] =
- "tabnamen"
- "This program list all system objects in NDB Cluster.n"
- "Type of objects to display can be limited with -t optionn"
- " ex: ndb_show_tables -t 2 would show all UserTablesn"
- "To show all indexes for a table write table name as final argumentn"
- " ex: ndb_show_tables T1n";
- ndb_std_print_version();
- my_print_help(my_long_options);
- my_print_variables(my_long_options);
- }
- static my_bool
- get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
- char *argument)
- {
- return ndb_std_get_one_option(optid, opt, argument ? argument :
- "d:t:O,/tmp/ndb_show_tables.trace");
- }
- int main(int argc, char** argv){
- NDB_INIT(argv[0]);
- const char* _tabname;
- const char *load_default_groups[]= { "mysql_cluster",0 };
- load_defaults("my",load_default_groups,&argc,&argv);
- int ho_error;
- if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option)))
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- _tabname = argv[0];
- ndb_cluster_connection = new Ndb_cluster_connection(opt_connect_str);
- if (ndb_cluster_connection->connect(12,5,1))
- fatal("unable to connect");
- ndb = new Ndb(ndb_cluster_connection, _dbname);
- if (ndb->init() != 0)
- fatal("init");
- if (ndb->waitUntilReady(30) < 0)
- fatal("waitUntilReady");
- dic = ndb->getDictionary();
- for (int i = 0; _loops == 0 || i < _loops; i++) {
- list(_tabname, (NdbDictionary::Object::Type)_type);
- }
- return NDBT_ProgramExit(NDBT_OK);
- }
- // vim: set sw=4: