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/* 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 */
#include <ndb_global.h>
#include <ndb_opts.h>
#include <NDBT.hpp>
#include <NdbApi.hpp>
NDB_STD_OPTS_VARS;
static const char* _dbname = "TEST_DB";
static int _unqualified = 0;
static int _partinfo = 0;
const char *load_default_groups[]= { "mysql_cluster",0 };
static struct my_option my_long_options[] =
{
NDB_STD_OPTS("ndb_desc"),
{ "database", 'd', "Name of database table is in",
(gptr*) &_dbname, (gptr*) &_dbname, 0,
GET_STR, 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 },
{ "extra-partition-info", 'p', "Print more info per partition",
(gptr*) &_partinfo, (gptr*) &_partinfo, 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[] =
"tabname\n"\
"This program list all properties of table(s) in NDB Cluster.\n"\
" ex: desc T1 T2 T4\n";
ndb_std_print_version();
print_defaults(MYSQL_CONFIG_NAME,load_default_groups);
puts("");
my_print_help(my_long_options);
my_print_variables(my_long_options);
}
static void print_part_info(Ndb* pNdb, NDBT_Table* pTab);
int main(int argc, char** argv){
NDB_INIT(argv[0]);
load_defaults("my",load_default_groups,&argc,&argv);
int ho_error;
#ifndef DBUG_OFF
opt_debug= "d:t:O,/tmp/ndb_desc.trace";
#endif
if ((ho_error=handle_options(&argc, &argv, my_long_options,
ndb_std_get_one_option)))
return NDBT_ProgramExit(NDBT_WRONGARGS);
Ndb_cluster_connection con(opt_connect_str);
if(con.connect(12, 5, 1) != 0)
{
ndbout << "Unable to connect to management server." << endl;
return NDBT_ProgramExit(NDBT_FAILED);
}
if (con.wait_until_ready(30,0) < 0)
{
ndbout << "Cluster nodes not ready in 30 seconds." << endl;
return NDBT_ProgramExit(NDBT_FAILED);
}
Ndb MyNdb(&con, _dbname);
if(MyNdb.init() != 0){
ERR(MyNdb.getNdbError());
return NDBT_ProgramExit(NDBT_FAILED);
}
const NdbDictionary::Dictionary * dict= MyNdb.getDictionary();
for (int i = 0; i < argc; i++) {
NDBT_Table* pTab = (NDBT_Table*)dict->getTable(argv[i]);
if (pTab != 0){
ndbout << (* pTab) << endl;
NdbDictionary::Dictionary::List list;
if (dict->listIndexes(list, argv[i]) != 0){
ndbout << argv[i] << ": " << dict->getNdbError() << endl;
return NDBT_ProgramExit(NDBT_FAILED);
}
ndbout << "-- Indexes -- " << endl;
ndbout << "PRIMARY KEY(";
unsigned j;
for (j= 0; (int)j < pTab->getNoOfPrimaryKeys(); j++)
{
const NdbDictionary::Column * col = pTab->getColumn(pTab->getPrimaryKey(j));
ndbout << col->getName();
if ((int)j < pTab->getNoOfPrimaryKeys()-1)
ndbout << ", ";
}
ndbout << ") - UniqueHashIndex" << endl;
for (j= 0; j < list.count; j++) {
NdbDictionary::Dictionary::List::Element& elt = list.elements[j];
const NdbDictionary::Index *pIdx = dict->getIndex(elt.name, argv[i]);
if (!pIdx){
ndbout << argv[i] << ": " << dict->getNdbError() << endl;
return NDBT_ProgramExit(NDBT_FAILED);
}
ndbout << (*pIdx) << endl;
}
ndbout << endl;
if (_partinfo)
print_part_info(&MyNdb, pTab);
}
else
ndbout << argv[i] << ": " << dict->getNdbError() << endl;
}
return NDBT_ProgramExit(NDBT_OK);
}
struct InfoInfo
{
const char * m_title;
NdbRecAttr* m_rec_attr;
const NdbDictionary::Column* m_column;
};
static
void print_part_info(Ndb* pNdb, NDBT_Table* pTab)
{
InfoInfo g_part_info[] = {
{ "Partition", 0, NdbDictionary::Column::FRAGMENT },
{ "Row count", 0, NdbDictionary::Column::ROW_COUNT },
{ "Commit count", 0, NdbDictionary::Column::COMMIT_COUNT },
{ "Frag memory", 0, NdbDictionary::Column::FRAGMENT_MEMORY },
{ 0, 0, 0 }
};
ndbout << "-- Per partition info -- " << endl;
NdbConnection* pTrans = pNdb->startTransaction();
if (pTrans == 0)
return;
do
{
NdbScanOperation* pOp= pTrans->getNdbScanOperation(pTab->getName());
if (pOp == NULL)
break;
int rs = pOp->readTuples(NdbOperation::LM_CommittedRead);
if (rs != 0)
break;
if (pOp->interpret_exit_last_row() != 0)
break;
Uint32 i = 0;
for(i = 0; g_part_info[i].m_title != 0; i++)
{
if ((g_part_info[i].m_rec_attr = pOp->getValue(g_part_info[i].m_column)) == 0)
break;
}
if (g_part_info[i].m_title != 0)
break;
if (pTrans->execute(NoCommit) != 0)
break;
for (i = 0; g_part_info[i].m_title != 0; i++)
ndbout << g_part_info[i].m_title << "\t";
ndbout << endl;
while(pOp->nextResult() == 0)
{
for(i = 0; g_part_info[i].m_title != 0; i++)
{
ndbout << *g_part_info[i].m_rec_attr << "\t";
}
ndbout << endl;
}
} while(0);
pTrans->close();
}
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