src/base/stats/mysql.cc

   1 /*
   2  * Copyright (c) 2004-2005 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Nathan Binkert
  29  */
  30
  31 #include <cassert>
  32 #include <map>
  33 #include <sstream>
  34 #include <string>
  35 #include <vector>
  36
  37 #include "base/misc.hh"
  38 #include "base/mysql.hh"
  39 #include "base/statistics.hh"
  40 #include "base/stats/flags.hh"
  41 #include "base/stats/mysql.hh"
  42 #include "base/stats/mysql_run.hh"
  43 #include "base/stats/statdb.hh"
  44 #include "base/stats/types.hh"
  45 #include "base/str.hh"
  46 #include "base/userinfo.hh"
  47 #include "sim/host.hh"
  48
  49 using namespace std;
  50
  51 namespace Stats {
  52
  53 void
  54 MySqlRun::connect(const string &host, const string &user, const string &passwd,
  55                   const string &db, const string &name, const string &sample,
  56                   const string &project)
  57 {
  58     if (connected())
  59         panic("can only get one database connection at this time!");
  60
  61     mysql.connect(host, user, passwd, db);
  62     if (mysql.error)
  63         panic("could not connect to database server\n%s\n", mysql.error);
  64
  65     if (mysql.autocommit(false))
  66         panic("could not set autocommit\n%s\n", mysql.error);
  67
  68     remove(name);
  69     //cleanup();
  70     setup(name, sample, user, project);
  71 }
  72
  73 void
  74 MySqlRun::setup(const string &name, const string &sample, const string &user,
  75                 const string &project)
  76 {
  77     assert(mysql.connected());
  78
  79     stringstream insert;
  80     ccprintf(insert,
  81              "INSERT INTO "
  82              "runs(rn_name,rn_sample,rn_user,rn_project,rn_date,rn_expire)"
  83              "values(\"%s\", \"%s\", \"%s\", \"%s\", NOW(),"
  84              "DATE_ADD(CURDATE(), INTERVAL 31 DAY))",
  85              name, sample, user, project);
  86
  87     mysql.query(insert);
  88     if (mysql.error)
  89         panic("could not get a run\n%s\n", mysql.error);
  90
  91     run_id = mysql.insert_id();
  92     if (mysql.commit())
  93         panic("could not commit transaction\n%s\n", mysql.error);
  94 }
  95
  96 void
  97 MySqlRun::remove(const string &name)
  98 {
  99     assert(mysql.connected());
 100     stringstream sql;
 101     ccprintf(sql, "DELETE FROM runs WHERE rn_name=\"%s\"", name);
 102     mysql.query(sql);
 103     if (mysql.error)
 104         panic("could not delete run\n%s\n", mysql.error);
 105     if (mysql.commit())
 106         panic("could not commit transaction\n%s\n", mysql.error);
 107 }
 108
 109 void
 110 MySqlRun::cleanup()
 111 {
 112     assert(mysql.connected());
 113
 114     mysql.query("DELETE data "
 115                 "FROM data "
 116                 "LEFT JOIN runs ON dt_run=rn_id "
 117                 "WHERE rn_id IS NULL");
 118
 119     if (mysql.commit())
 120         panic("could not commit transaction\n%s\n", mysql.error);
 121
 122     mysql.query("DELETE formula_ref "
 123                 "FROM formula_ref "
 124                 "LEFT JOIN runs ON fr_run=rn_id "
 125                 "WHERE rn_id IS NULL");
 126
 127     if (mysql.commit())
 128         panic("could not commit transaction\n%s\n", mysql.error);
 129
 130     mysql.query("DELETE formulas "
 131                 "FROM formulas "
 132                 "LEFT JOIN formula_ref ON fm_stat=fr_stat "
 133                 "WHERE fr_stat IS NULL");
 134
 135     if (mysql.commit())
 136         panic("could not commit transaction\n%s\n", mysql.error);
 137
 138     mysql.query("DELETE stats "
 139                 "FROM stats "
 140                 "LEFT JOIN data ON st_id=dt_stat "
 141                 "WHERE dt_stat IS NULL");
 142
 143     if (mysql.commit())
 144         panic("could not commit transaction\n%s\n", mysql.error);
 145
 146     mysql.query("DELETE subdata "
 147                 "FROM subdata "
 148                 "LEFT JOIN data ON sd_stat=dt_stat "
 149                 "WHERE dt_stat IS NULL");
 150
 151     if (mysql.commit())
 152         panic("could not commit transaction\n%s\n", mysql.error);
 153
 154     mysql.query("DELETE events"
 155                 "FROM events"
 156                 "LEFT JOIN runs ON ev_run=rn_id"
 157                 "WHERE rn_id IS NULL");
 158
 159     if (mysql.commit())
 160         panic("could not commit transaction\n%s\n", mysql.error);
 161
 162     mysql.query("DELETE event_names"
 163                 "FROM event_names"
 164                 "LEFT JOIN events ON en_id=ev_event"
 165                 "WHERE ev_event IS NULL");
 166
 167     if (mysql.commit())
 168         panic("could not commit transaction\n%s\n", mysql.error);
 169 }
 170
 171 void
 172 SetupStat::init()
 173 {
 174     name = "";
 175     descr = "";
 176     type = "";
 177     print = false;
 178     prereq = 0;
 179     prec = -1;
 180     nozero = false;
 181     nonan = false;
 182     total = false;
 183     pdf = false;
 184     cdf = false;
 185     min = 0;
 186     max = 0;
 187     bktsize = 0;
 188     size = 0;
 189 }
 190
 191 unsigned
 192 SetupStat::setup(MySqlRun *run)
 193 {
 194     MySQL::Connection &mysql = run->conn();
 195
 196     stringstream insert;
 197     ccprintf(insert,
 198              "INSERT INTO "
 199              "stats(st_name, st_descr, st_type, st_print, st_prereq, "
 200              "st_prec, st_nozero, st_nonan, st_total, st_pdf, st_cdf, "
 201              "st_min, st_max, st_bktsize, st_size)"
 202              "values(\"%s\",\"%s\",\"%s\","
 203              "        %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)",
 204              name, descr, type, print, prereq, (int)prec, nozero, nonan,
 205              total, pdf, cdf,
 206              min, max, bktsize, size);
 207
 208     mysql.query(insert);
 209     if (!mysql.error) {
 210         int id = mysql.insert_id();
 211         if (mysql.commit())
 212             panic("could not commit transaction\n%s\n", mysql.error);
 213         return id;
 214     }
 215
 216     stringstream select;
 217     ccprintf(select, "SELECT * FROM stats WHERE st_name=\"%s\"", name);
 218
 219     mysql.query(select);
 220     MySQL::Result result = mysql.store_result();
 221     if (!result)
 222         panic("could not find stat\n%s\n", mysql.error);
 223
 224     assert(result.num_fields() == 16);
 225     MySQL::Row row = result.fetch_row();
 226     if (!row)
 227         panic("could not get stat row\n%s\n", mysql.error);
 228
 229     bool tb;
 230     int8_t ti8;
 231     uint16_t tu16;
 232     int64_t ti64;
 233     uint64_t tu64;
 234
 235     if (name != (char *)row[1])
 236         panic("failed stat check on %s:name. %s != %s\n",
 237               name, name, row[1]);
 238
 239     if (descr != (char *)row[2])
 240         panic("failed stat check on %s:descr. %s != %s\n",
 241               name, descr, row[2]);
 242
 243     if (type != (char *)row[3])
 244         panic("failed stat check on %s:type. %s != %s\n",
 245               name, type, row[3]);
 246
 247     if (!to_number(row[4], tb) || print != tb)
 248         panic("failed stat check on %s:print. %d != %d\n",
 249               name, print, tb);
 250
 251     if (!to_number(row[6], ti8) || prec != ti8)
 252         panic("failed stat check on %s:prec. %d != %d\n",
 253               name, prec, ti8);
 254
 255     if (!to_number(row[7], tb) || nozero != tb)
 256         panic("failed stat check on %s:nozero. %d != %d\n",
 257               name, nozero, tb);
 258
 259     if (!to_number(row[8], tb) || nonan != tb)
 260         panic("failed stat check on %s:nonan. %d != %d\n",
 261               name, nonan, tb);
 262
 263     if (!to_number(row[9], tb) || total != tb)
 264         panic("failed stat check on %s:total. %d != %d\n",
 265               name, total, tb);
 266
 267     if (!to_number(row[10], tb) || pdf != tb)
 268         panic("failed stat check on %s:pdf. %d != %d\n",
 269               name, pdf, tb);
 270
 271     if (!to_number(row[11], tb) || cdf != tb)
 272         panic("failed stat check on %s:cdf. %d != %d\n",
 273               name, cdf, tb);
 274
 275     if (!to_number(row[12], ti64) || min != ti64)
 276         panic("failed stat check on %s:min. %d != %d\n",
 277               name, min, ti64);
 278
 279     if (!to_number(row[13], ti64) || max != ti64)
 280         panic("failed stat check on %s:max. %d != %d\n",
 281               name, max, ti64);
 282
 283     if (!to_number(row[14], tu64) || bktsize != tu64)
 284         panic("failed stat check on %s:bktsize. %d != %d\n",
 285               name, bktsize, tu64);
 286
 287     if (!to_number(row[15], tu16) || size != tu16)
 288         panic("failed stat check on %s:size. %d != %d\n",
 289               name, size, tu16);
 290
 291     to_number(row[5], prereq);
 292     uint16_t statid;
 293     to_number(row[0], statid);
 294     return statid;
 295 }
 296
 297 InsertData::InsertData(MySqlRun *_run)
 298     : run(_run)
 299 {
 300     query = new char[maxsize + 1];
 301     size = 0;
 302     flush();
 303 }
 304
 305 InsertData::~InsertData()
 306 {
 307     delete [] query;
 308 }
 309
 310 void
 311 InsertData::flush()
 312 {
 313     if (size) {
 314         MySQL::Connection &mysql = run->conn();
 315         assert(mysql.connected());
 316         mysql.query(query);
 317         if (mysql.error)
 318             panic("could not insert data\n%s\n", mysql.error);
 319         if (mysql.commit())
 320             panic("could not commit transaction\n%s\n", mysql.error);
 321     }
 322
 323     query[0] = '\0';
 324     size = 0;
 325     first = true;
 326     strcpy(query, "INSERT INTO "
 327            "data(dt_stat,dt_x,dt_y,dt_run,dt_tick,dt_data) "
 328            "values");
 329     size = strlen(query);
 330 }
 331
 332 void
 333 InsertData::insert()
 334 {
 335     if (size + 1024 > maxsize)
 336         flush();
 337
 338     if (!first) {
 339         query[size++] = ',';
 340         query[size] = '\0';
 341     }
 342
 343     first = false;
 344
 345     size += sprintf(query + size, "(%u,%d,%d,%u,%llu,\"%f\")",
 346                     stat, x, y, run->run(), (unsigned long long)tick,
 347                     data);
 348 }
 349
 350 InsertEvent::InsertEvent(MySqlRun *_run)
 351     : run(_run)
 352 {
 353     query = new char[maxsize + 1];
 354     size = 0;
 355     first = true;
 356     flush();
 357 }
 358
 359 InsertEvent::~InsertEvent()
 360 {
 361     flush();
 362 }
 363
 364 void
 365 InsertEvent::insert(const string &stat)
 366 {
 367     MySQL::Connection &mysql = run->conn();
 368     assert(mysql.connected());
 369
 370     event_map_t::iterator i = events.find(stat);
 371     uint32_t event;
 372     if (i == events.end()) {
 373         mysql.query(
 374             csprintf("SELECT en_id "
 375                      "from event_names "
 376                      "where en_name=\"%s\"",
 377                      stat));
 378
 379         MySQL::Result result = mysql.store_result();
 380         if (!result)
 381             panic("could not get a run\n%s\n", mysql.error);
 382
 383         assert(result.num_fields() == 1);
 384         MySQL::Row row = result.fetch_row();
 385         if (row) {
 386             if (!to_number(row[0], event))
 387                 panic("invalid event id: %s\n", row[0]);
 388         } else {
 389             mysql.query(
 390                 csprintf("INSERT INTO "
 391                          "event_names(en_name)"
 392                          "values(\"%s\")",
 393                          stat));
 394
 395             if (mysql.error)
 396                 panic("could not get a run\n%s\n", mysql.error);
 397
 398             event = mysql.insert_id();
 399         }
 400     } else {
 401         event = (*i).second;
 402     }
 403
 404     if (size + 1024 > maxsize)
 405         flush();
 406
 407     if (!first) {
 408         query[size++] = ',';
 409         query[size] = '\0';
 410     }
 411
 412     first = false;
 413
 414     size += sprintf(query + size, "(%u,%u,%llu)",
 415                     event, run->run(), (unsigned long long)curTick);
 416 }
 417
 418 void
 419 InsertEvent::flush()
 420 {
 421     static const char query_header[] = "INSERT INTO "
 422         "events(ev_event, ev_run, ev_tick)"
 423         "values";
 424
 425     MySQL::Connection &mysql = run->conn();
 426     assert(mysql.connected());
 427
 428     if (size)
 429         mysql.query(query);
 430
 431     query[0] = '\0';
 432     size = sizeof(query_header);
 433     first = true;
 434     memcpy(query, query_header, size);
 435 }
 436
 437 struct InsertSubData
 438 {
 439     uint16_t stat;
 440     int16_t x;
 441     int16_t y;
 442     string name;
 443     string descr;
 444
 445     void setup(MySqlRun *run);
 446 };
 447
 448 void
 449 InsertSubData::setup(MySqlRun *run)
 450 {
 451     MySQL::Connection &mysql = run->conn();
 452     assert(mysql.connected());
 453     stringstream insert;
 454     ccprintf(insert,
 455              "INSERT INTO subdata(sd_stat,sd_x,sd_y,sd_name,sd_descr) "
 456              "values(%d,%d,%d,\"%s\",\"%s\")",
 457              stat, x, y, name, descr);
 458
 459     mysql.query(insert);
 460 //    if (mysql.error)
 461 //      panic("could not insert subdata\n%s\n", mysql.error);
 462
 463     if (mysql.commit())
 464         panic("could not commit transaction\n%s\n", mysql.error);
 465 }
 466
 467 MySql::MySql()
 468     : run(new MySqlRun), newdata(run), newevent(run)
 469 {}
 470
 471 MySql::~MySql()
 472 {
 473     delete run;
 474 }
 475
 476 void
 477 MySql::connect(const string &host, const string &user, const string &passwd,
 478                const string &db, const string &name, const string &sample,
 479                const string &project)
 480 {
 481     run->connect(host, user, passwd, db, name, sample, project);
 482 }
 483
 484 bool
 485 MySql::connected() const
 486 {
 487     return run->connected();
 488 }
 489
 490 void
 491 MySql::configure()
 492 {
 493     /*
 494      * set up all stats!
 495      */
 496     using namespace Database;
 497
 498     MySQL::Connection &mysql = run->conn();
 499
 500     stat_list_t::const_iterator i, end = stats().end();
 501     for (i = stats().begin(); i != end; ++i) {
 502         (*i)->visit(*this);
 503     }
 504
 505     for (i = stats().begin(); i != end; ++i) {
 506         Info *info = *i;
 507         if (info->prereq) {
 508             // update the prerequisite
 509             uint16_t stat_id = find(info->id);
 510             uint16_t prereq_id = find(info->prereq->id);
 511             assert(stat_id && prereq_id);
 512
 513             stringstream update;
 514             ccprintf(update, "UPDATE stats SET st_prereq=%d WHERE st_id=%d",
 515                      prereq_id, stat_id);
 516             mysql.query(update);
 517             if (mysql.error)
 518                 panic("could not update prereq\n%s\n", mysql.error);
 519
 520             if (mysql.commit())
 521                 panic("could not commit transaction\n%s\n", mysql.error);
 522         }
 523     }
 524
 525     if (mysql.commit())
 526         panic("could not commit transaction\n%s\n", mysql.error);
 527
 528     configured = true;
 529 }
 530
 531 bool
 532 MySql::configure(const Info &info, string type)
 533 {
 534     stat.init();
 535     stat.name = info.name;
 536     stat.descr = info.desc;
 537     stat.type = type;
 538     stat.print = info.flags & print;
 539     stat.prec = info.precision;
 540     stat.nozero = info.flags & nozero;
 541     stat.nonan = info.flags & nonan;
 542     stat.total = info.flags & total;
 543     stat.pdf = info.flags & pdf;
 544     stat.cdf = info.flags & cdf;
 545
 546     return stat.print;
 547 }
 548
 549 void
 550 MySql::configure(const ScalarInfoBase &info)
 551 {
 552     if (!configure(info, "SCALAR"))
 553         return;
 554
 555     insert(info.id, stat.setup(run));
 556 }
 557
 558 void
 559 MySql::configure(const VectorInfoBase &info)
 560 {
 561     if (!configure(info, "VECTOR"))
 562         return;
 563
 564     uint16_t statid = stat.setup(run);
 565
 566     if (!info.subnames.empty()) {
 567         InsertSubData subdata;
 568         subdata.stat = statid;
 569         subdata.y = 0;
 570         for (off_type i = 0; i < info.subnames.size(); ++i) {
 571             subdata.x = i;
 572             subdata.name = info.subnames[i];
 573             subdata.descr = info.subdescs.empty() ? "" : info.subdescs[i];
 574
 575             if (!subdata.name.empty() || !subdata.descr.empty())
 576                 subdata.setup(run);
 577         }
 578     }
 579
 580     insert(info.id, statid);
 581 }
 582
 583 void
 584 MySql::configure(const DistInfoBase &info)
 585 {
 586     if (!configure(info, "DIST"))
 587         return;
 588
 589     if (!info.data.fancy) {
 590         stat.size = info.data.size;
 591         stat.min = info.data.min;
 592         stat.max = info.data.max;
 593         stat.bktsize = info.data.bucket_size;
 594     }
 595     insert(info.id, stat.setup(run));
 596 }
 597
 598 void
 599 MySql::configure(const VectorDistInfoBase &info)
 600 {
 601     if (!configure(info, "VECTORDIST"))
 602         return;
 603
 604     if (!info.data[0].fancy) {
 605         stat.size = info.data[0].size;
 606         stat.min = info.data[0].min;
 607         stat.max = info.data[0].max;
 608         stat.bktsize = info.data[0].bucket_size;
 609     }
 610
 611     uint16_t statid = stat.setup(run);
 612
 613     if (!info.subnames.empty()) {
 614         InsertSubData subdata;
 615         subdata.stat = statid;
 616         subdata.y = 0;
 617         for (off_type i = 0; i < info.subnames.size(); ++i) {
 618             subdata.x = i;
 619             subdata.name = info.subnames[i];
 620             subdata.descr = info.subdescs.empty() ? "" : info.subdescs[i];
 621             if (!subdata.name.empty() || !subdata.descr.empty())
 622                 subdata.setup(run);
 623         }
 624     }
 625
 626     insert(info.id, statid);
 627 }
 628
 629 void
 630 MySql::configure(const Vector2dInfoBase &info)
 631 {
 632     if (!configure(info, "VECTOR2D"))
 633         return;
 634
 635     uint16_t statid = stat.setup(run);
 636
 637     if (!info.subnames.empty()) {
 638         InsertSubData subdata;
 639         subdata.stat = statid;
 640         subdata.y = -1;
 641         for (off_type i = 0; i < info.subnames.size(); ++i) {
 642             subdata.x = i;
 643             subdata.name = info.subnames[i];
 644             subdata.descr = info.subdescs.empty() ? "" : info.subdescs[i];
 645             if (!subdata.name.empty() || !subdata.descr.empty())
 646                 subdata.setup(run);
 647         }
 648     }
 649
 650     if (!info.y_subnames.empty()) {
 651         InsertSubData subdata;
 652         subdata.stat = statid;
 653         subdata.x = -1;
 654         subdata.descr = "";
 655         for (off_type i = 0; i < info.y_subnames.size(); ++i) {
 656             subdata.y = i;
 657             subdata.name = info.y_subnames[i];
 658             if (!subdata.name.empty())
 659                 subdata.setup(run);
 660         }
 661     }
 662
 663     insert(info.id, statid);
 664 }
 665
 666 void
 667 MySql::configure(const FormulaInfoBase &info)
 668 {
 669     MySQL::Connection &mysql = run->conn();
 670     assert(mysql.connected());
 671
 672     configure(info, "FORMULA");
 673     insert(info.id, stat.setup(run));
 674
 675     uint16_t stat = find(info.id);
 676     string formula = info.str();
 677
 678     stringstream insert_formula;
 679     ccprintf(insert_formula,
 680              "INSERT INTO formulas(fm_stat,fm_formula) values(%d, \"%s\")",
 681              stat, formula);
 682
 683     mysql.query(insert_formula);
 684 //    if (mysql.error)
 685 //      panic("could not insert formula\n%s\n", mysql.error);
 686
 687     stringstream insert_ref;
 688     ccprintf(insert_ref,
 689              "INSERT INTO formula_ref(fr_stat,fr_run) values(%d, %d)",
 690              stat, run->run());
 691
 692     mysql.query(insert_ref);
 693 //    if (mysql.error)
 694 //      panic("could not insert formula reference\n%s\n", mysql.error);
 695
 696     if (mysql.commit())
 697         panic("could not commit transaction\n%s\n", mysql.error);
 698 }
 699
 700 bool
 701 MySql::valid() const
 702 {
 703     return run->connected();
 704 }
 705
 706 void
 707 MySql::output()
 708 {
 709     using namespace Database;
 710     assert(valid());
 711
 712     if (!configured)
 713         configure();
 714
 715     // store sample #
 716     newdata.tick = curTick;
 717
 718     MySQL::Connection &mysql = run->conn();
 719
 720     Database::stat_list_t::const_iterator i, end = Database::stats().end();
 721     for (i = Database::stats().begin(); i != end; ++i) {
 722         Info *stat = *i;
 723         stat->visit(*this);
 724         if (mysql.commit())
 725             panic("could not commit transaction\n%s\n", mysql.error);
 726     }
 727
 728     newdata.flush();
 729 }
 730
 731 void
 732 MySql::event(const std::string &event)
 733 {
 734     newevent.insert(event);
 735 }
 736
 737 void
 738 MySql::output(const ScalarInfoBase &info)
 739 {
 740     if (!(info.flags & print))
 741         return;
 742
 743     newdata.stat = find(info.id);
 744     newdata.x = 0;
 745     newdata.y = 0;
 746     newdata.data = info.value();
 747
 748     newdata.insert();
 749 }
 750
 751 void
 752 MySql::output(const VectorInfoBase &info)
 753 {
 754     if (!(info.flags & print))
 755         return;
 756
 757     newdata.stat = find(info.id);
 758     newdata.y = 0;
 759
 760     const VCounter &cvec = info.value();
 761     size_type size = info.size();
 762     for (off_type x = 0; x < size; x++) {
 763         newdata.x = x;
 764         newdata.data = cvec[x];
 765         newdata.insert();
 766     }
 767 }
 768
 769 void
 770 MySql::output(const DistData &data)
 771 {
 772     const int db_sum = -1;
 773     const int db_squares = -2;
 774     const int db_samples = -3;
 775     const int db_min_val = -4;
 776     const int db_max_val = -5;
 777     const int db_underflow = -6;
 778     const int db_overflow = -7;
 779
 780     newdata.x = db_sum;
 781     newdata.data = data.sum;
 782     newdata.insert();
 783
 784     newdata.x = db_squares;
 785     newdata.data = data.squares;
 786     newdata.insert();
 787
 788     newdata.x = db_samples;
 789     newdata.data = data.samples;
 790     newdata.insert();
 791
 792     if (data.samples && !data.fancy) {
 793         newdata.x = db_min_val;
 794         newdata.data = data.min_val;
 795         newdata.insert();
 796
 797         newdata.x = db_max_val;
 798         newdata.data = data.max_val;
 799         newdata.insert();
 800
 801         newdata.x = db_underflow;
 802         newdata.data = data.underflow;
 803         newdata.insert();
 804
 805         newdata.x = db_overflow;
 806         newdata.data = data.overflow;
 807         newdata.insert();
 808
 809         size_type size = data.cvec.size();
 810         for (off_type x = 0; x < size; x++) {
 811             newdata.x = x;
 812             newdata.data = data.cvec[x];
 813             newdata.insert();
 814         }
 815     }
 816 }
 817
 818 void
 819 MySql::output(const DistInfoBase &info)
 820 {
 821     if (!(info.flags & print))
 822         return;
 823
 824     newdata.stat = find(info.id);
 825     newdata.y = 0;
 826     output(info.data);
 827 }
 828
 829 void
 830 MySql::output(const VectorDistInfoBase &info)
 831 {
 832     if (!(info.flags & print))
 833         return;
 834
 835     newdata.stat = find(info.id);
 836
 837     size_type size = info.data.size();
 838     for (off_type y = 0; y < size; ++y) {
 839         newdata.y = y;
 840         output(info.data[y]);
 841     }
 842 }
 843
 844 void
 845 MySql::output(const Vector2dInfoBase &info)
 846 {
 847     if (!(info.flags & print))
 848         return;
 849
 850     newdata.stat = find(info.id);
 851
 852     off_type index = 0;
 853     for (off_type x = 0; x < info.x; x++) {
 854         newdata.x = x;
 855         for (off_type y = 0; y < info.y; y++) {
 856             newdata.y = y;
 857             newdata.data = info.cvec[index++];
 858             newdata.insert();
 859         }
 860     }
 861 }
 862
 863 void
 864 MySql::output(const FormulaInfoBase &info)
 865 {
 866 }
 867
 868 /*
 869  * Implement the visitor
 870  */
 871 void
 872 MySql::visit(const ScalarInfoBase &info)
 873 {
 874     if (!configured)
 875         configure(info);
 876     else
 877         output(info);
 878 }
 879
 880 void
 881 MySql::visit(const VectorInfoBase &info)
 882 {
 883     if (!configured)
 884         configure(info);
 885     else
 886         output(info);
 887 }
 888
 889 void
 890 MySql::visit(const DistInfoBase &info)
 891 {
 892     return;
 893     if (!configured)
 894         configure(info);
 895     else
 896         output(info);
 897 }
 898
 899 void
 900 MySql::visit(const VectorDistInfoBase &info)
 901 {
 902     return;
 903     if (!configured)
 904         configure(info);
 905     else
 906         output(info);
 907 }
 908
 909 void
 910 MySql::visit(const Vector2dInfoBase &info)
 911 {
 912     return;
 913     if (!configured)
 914         configure(info);
 915     else
 916         output(info);
 917 }
 918
 919 void
 920 MySql::visit(const FormulaInfoBase &info)
 921 {
 922     if (!configured)
 923         configure(info);
 924     else
 925         output(info);
 926 }
 927
 928 bool
 929 initMySQL(string host, string user, string password, string database,
 930     string project, string name, string sample)
 931 {
 932     extern list<Output *> OutputList;
 933     static MySql mysql;
 934
 935     if (mysql.connected())
 936         return false;
 937
 938     mysql.connect(host, user, password, database, name, sample, project);
 939     OutputList.push_back(&mysql);
 940
 941     return true;
 942 }
 943
 944 /* end namespace Stats */ }