/*
   Copyright (C) 2003-2006 MySQL AB
    Use is subject to license terms.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#include <NDBT.hpp>
#include <NDBT_Test.hpp>
#include <HugoTransactions.hpp>
#include <UtilTransactions.hpp>
#include <NdbRestarter.hpp>
#include <Vector.hpp>
#include <ndbapi_limits.h>

const unsigned MaxTableAttrs = NDB_MAX_ATTRIBUTES_IN_TABLE;
const unsigned MaxIndexAttrs = NDB_MAX_ATTRIBUTES_IN_INDEX;
const unsigned MaxIndexes = 20;

static unsigned
urandom(unsigned n)
{
  unsigned i = random();
  return i % n;
}

static int
runDropIndex(NDBT_Context* ctx, NDBT_Step* step)
{
  const NdbDictionary::Table* pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);
  NdbDictionary::Dictionary* pDic = pNdb->getDictionary();
  NdbDictionary::Dictionary::List list;
  if (pDic->listIndexes(list, pTab->getName()) != 0) {
    g_err << pTab->getName() << ": listIndexes failed" << endl;
    ERR(pDic->getNdbError());
    return NDBT_FAILED;
  }
  for (unsigned i = 0; i < list.count; i++) {
    NDBT_Index* pInd = new NDBT_Index(list.elements[i].name);
    pInd->setTable(pTab->getName());
    g_info << "Drop index:" << endl << *pInd;
    if (pInd->dropIndexInDb(pNdb) != 0) {
      return NDBT_FAILED;
    }
  }
  return NDBT_OK;
}

static Uint32 workaround[1000];

static void
setTableProperty(NDBT_Context* ctx, NDBT_Table* pTab, const char* name, Uint32 num)
{
  char key[200];
  sprintf(key, "%s-%s", name, pTab->getName());
  //ctx->setProperty(key, num);
  workaround[pTab->getTableId()] = num;
}

static Uint32
getTableProperty(NDBT_Context* ctx, NDBT_Table* pTab, const char* name)
{
  char key[200];
  sprintf(key, "%s-%s", name, pTab->getName());
  //Uint32 num = ctx->getProperty(key, (Uint32)-1);
  Uint32 num = workaround[pTab->getTableId()];
  require(num != (Uint32)-1);
  return num;
}

static int
runCreateIndex(NDBT_Context* ctx, NDBT_Step* step)
{
  srandom(1);
  NDBT_Table* pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);
  unsigned numTabAttrs = pTab->getNumAttributes();
  unsigned numIndex = 0;
  while (numIndex < MaxIndexes) {
    if (numIndex != 0 && urandom(10) == 0)
      break;
    char buf[200];
    sprintf(buf, "%s_X%03d", pTab->getName(), numIndex);
    NDBT_Index* pInd = new NDBT_Index(buf);
    pInd->setTable(pTab->getName());
    pInd->setType(NdbDictionary::Index::OrderedIndex);
    pInd->setLogging(false);
    unsigned numAttrs = 0;
    while (numAttrs < MaxIndexAttrs) {
      if (numAttrs != 0 && urandom(5) == 0)
	break;
      unsigned i = urandom(numTabAttrs);
      const NDBT_Attribute* pAttr = pTab->getAttribute(i);
      bool found = false;
      for (unsigned j = 0; j < numAttrs; j++) {
	if (strcmp(pAttr->getName(), pInd->getAttribute(j)->getName()) == 0) {
	  found = true;
	  break;
	}
      }
      if (found)
	continue;
      pInd->addAttribute(*pAttr);
      numAttrs++;
    }
    g_info << "Create index:" << endl << *pInd;
    if (pInd->createIndexInDb(pNdb, false) != 0)
      continue;
    numIndex++;
  }
  setTableProperty(ctx, pTab, "numIndex", numIndex);
  g_info << "Created " << numIndex << " indexes on " << pTab->getName() << endl;
  return NDBT_OK;
}

static int
runInsertUpdate(NDBT_Context* ctx, NDBT_Step* step)
{
  NDBT_Table* pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);
  int ret;
  g_info << "Insert: " << pTab->getName() << endl;
  HugoTransactions hugoTrans(*pTab);
  ret = hugoTrans.loadTable(pNdb, ctx->getNumRecords(), 100);
  if (ret != 0) {
    g_err << "ERR: " << step->getName() << "failed" << endl;
    return NDBT_FAILED;
  }
  return NDBT_OK;
}

static int
runFullScan(NDBT_Context* ctx, NDBT_Step* step)
{
  NDBT_Table* pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);
  unsigned cntIndex = getTableProperty(ctx, pTab, "numIndex");
  for (unsigned numIndex = 0; numIndex < cntIndex; numIndex++) {
    char buf[200];
    sprintf(buf, "%s_X%03d", pTab->getName(), numIndex);
    NDBT_Index* pInd = NDBT_Index::discoverIndexFromDb(pNdb, buf, pTab->getName());
    require(pInd != 0);
    g_info << "Scan index:" << pInd->getName() << endl << *pInd;
    NdbConnection* pCon = pNdb->startTransaction();
    if (pCon == 0) {
      ERR(pNdb->getNdbError());
      return NDBT_FAILED;
    }
    NdbOperation* pOp = pCon->getNdbOperation(pInd->getName(),
					      pTab->getName());
    if (pOp == 0) {
      ERR(pCon->getNdbError());
      pNdb->closeTransaction(pCon);
      return NDBT_FAILED;
    }
    if (pOp->openScanRead() != 0) {
      ERR(pCon->getNdbError());
      pNdb->closeTransaction(pCon);
      return NDBT_FAILED;
    }
    if (pCon->executeScan() != 0) {
      ERR(pCon->getNdbError());
      pNdb->closeTransaction(pCon);
      return NDBT_FAILED;
    }
    unsigned rows = 0;
    while (1) {
      int ret = pCon->nextScanResult();
      if (ret == 0) {
        rows++;
      } else if (ret == 1) {
        break;
      } else {
        ERR(pCon->getNdbError());
        pNdb->closeTransaction(pCon);
        return NDBT_FAILED;
      }
    }
    pNdb->closeTransaction(pCon);
    g_info << "Scanned " << rows << " rows" << endl;
  }
  return NDBT_OK;
}

NDBT_TESTSUITE(testOrderedIndex);
TESTCASE(
    "DropIndex",
    "Drop any old indexes") {
  INITIALIZER(runDropIndex);
}
TESTCASE(
    "CreateIndex",
    "Create ordered indexes") {
  INITIALIZER(runCreateIndex);
}
TESTCASE(
    "InsertUpdate",
    "Run inserts and updates") {
  INITIALIZER(runInsertUpdate);
}
TESTCASE(
    "FullScan",
    "Full scan on each ordered index") {
  INITIALIZER(runFullScan);
}
NDBT_TESTSUITE_END(testOrderedIndex);

int
main(int argc, const char** argv)
{
  ndb_init();
  return testOrderedIndex.execute(argc, argv);
}

// vim: set sw=2: