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Overview
Comment:Add the --verify option to speedtest1. Add verification test cases to the "rtree" testset and a case that uses a custom geometry callback.
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SHA1: 9d485c4207a81f32334857d4a608c5c511dd2b83
User & Date: drh 2014-04-11 17:41:08
Context
2014-04-11
23:14
Add the new interfaces to rtree, though they do not yet work. Add the "show_speedtest1_rtree.tcl" script for showing the test data used for the R-Tree tests of speedtest1. Change speedtest1 to generate better R-Tree test data. check-in: 0b702759 user: drh tags: rtree-enhancements
17:41
Add the --verify option to speedtest1. Add verification test cases to the "rtree" testset and a case that uses a custom geometry callback. check-in: 9d485c42 user: drh tags: rtree-enhancements
16:14
Update comments in the R-Tree module in preparation for some big changes. Add an "rtree" performance test to speedtest1. check-in: 20a73ec0 user: drh tags: rtree-enhancements
Changes
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Changes to test/speedtest1.c.

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  "  --sqlonly           No-op.  Only show the SQL that would have been run.\n"
  "  --size N            Relative test size.  Default=100\n"
  "  --stats             Show statistics at the end\n"
  "  --testset T         Run test-set T\n"
  "  --trace             Turn on SQL tracing\n"
  "  --utf16be           Set text encoding to UTF-16BE\n"
  "  --utf16le           Set text encoding to UTF-16LE\n"

  "  --without-rowid     Use WITHOUT ROWID where appropriate\n"
;


#include "sqlite3.h"
#include <assert.h>
#include <stdio.h>
................................................................................
  sqlite3_stmt *pStmt;       /* Current SQL statement */
  sqlite3_int64 iStart;      /* Start-time for the current test */
  sqlite3_int64 iTotal;      /* Total time */
  int bWithoutRowid;         /* True for --without-rowid */
  int bReprepare;            /* True to reprepare the SQL on each rerun */
  int bSqlOnly;              /* True to print the SQL once only */
  int bExplain;              /* Print SQL with EXPLAIN prefix */

  int szTest;                /* Scale factor for test iterations */
  const char *zWR;           /* Might be WITHOUT ROWID */
  const char *zNN;           /* Might be NOT NULL */
  const char *zPK;           /* Might be UNIQUE or PRIMARY KEY */
  unsigned int x, y;         /* Pseudo-random number generator state */
  int nResult;               /* Size of the current result */
  char zResult[3000];        /* Text of the current result */
................................................................................
  if( speedtest1_random()%17==0 ) span = mx - 5;
  d = speedtest1_random()%span + 1;
  x0 = speedtest1_random()%(mx-d) + 1;
  x1 = x0 + d;
  *pX0 = x0;
  *pX1 = x1;
}





















/*
** A testset for the R-Tree virtual table
*/
void testset_rtree(void){
  unsigned i, n;
  unsigned mxCoord;
  unsigned x0, x1, y0, y1, z0, z1;



  mxCoord = g.szTest*600;
  n = g.szTest*100;
  speedtest1_begin_test(100, "%d INSERTs into an r-tree", n);
  speedtest1_exec("BEGIN");
  speedtest1_exec("CREATE VIRTUAL TABLE rt1 USING rtree(id,x0,x1,y0,y1,z0,z1)");
  speedtest1_prepare("INSERT INTO rt1(id,x0,x1,y0,y1,z0,z1)"
................................................................................
    sqlite3_bind_int(g.pStmt, 6, z0);
    sqlite3_bind_int(g.pStmt, 7, z1);
    speedtest1_run();
  }
  speedtest1_exec("COMMIT");
  speedtest1_end_test();






  n = g.szTest*20;
  speedtest1_begin_test(110, "%d one-dimensional intersect slice queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE x0>=?1 AND x1<=?2");

  for(i=0; i<mxCoord; i+=(mxCoord/n)){
    sqlite3_bind_int(g.pStmt, 1, i);
    sqlite3_bind_int(g.pStmt, 2, i+mxCoord/n);
    speedtest1_run();

  }
  speedtest1_end_test();


  n = g.szTest*20;
















  speedtest1_begin_test(120, "%d one-dimensional overlap slice queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE y1>=?1 AND y0<=?2");

  for(i=0; i<mxCoord; i+=(mxCoord/n)){
    sqlite3_bind_int(g.pStmt, 1, i);
    sqlite3_bind_int(g.pStmt, 2, i+mxCoord/n);
    speedtest1_run();



































  }
  speedtest1_end_test();

  n = g.szTest*80;
  speedtest1_begin_test(130, "%d three-dimensional intersect box queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE x1>=?1 AND x0<=?2"
                     " AND y1>=?1 AND y0<=?2 AND z1>=?1 AND z0<=?2");

  for(i=0; i<mxCoord; i+=(mxCoord/n)){
    sqlite3_bind_int(g.pStmt, 1, i);
    sqlite3_bind_int(g.pStmt, 2, i+mxCoord/n);
    speedtest1_run();

  }
  speedtest1_end_test();

  n = g.szTest*100;
  speedtest1_begin_test(140, "%d rowid queries", n);
  speedtest1_prepare("SELECT * FROM rt1 WHERE id=?1");
  for(i=1; i<=n; i++){
................................................................................
        zTSet = argv[++i];
      }else if( strcmp(z,"trace")==0 ){
        doTrace = 1;
      }else if( strcmp(z,"utf16le")==0 ){
        zEncoding = "utf16le";
      }else if( strcmp(z,"utf16be")==0 ){
        zEncoding = "utf16be";


      }else if( strcmp(z,"without-rowid")==0 ){
        g.zWR = "WITHOUT ROWID";
        g.zPK = "PRIMARY KEY";
      }else if( strcmp(z, "help")==0 || strcmp(z,"?")==0 ){
        printf(zHelp, argv[0]);
        exit(0);
      }else{







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  "  --sqlonly           No-op.  Only show the SQL that would have been run.\n"
  "  --size N            Relative test size.  Default=100\n"
  "  --stats             Show statistics at the end\n"
  "  --testset T         Run test-set T\n"
  "  --trace             Turn on SQL tracing\n"
  "  --utf16be           Set text encoding to UTF-16BE\n"
  "  --utf16le           Set text encoding to UTF-16LE\n"
  "  --verify            Run additional verification steps.\n"
  "  --without-rowid     Use WITHOUT ROWID where appropriate\n"
;


#include "sqlite3.h"
#include <assert.h>
#include <stdio.h>
................................................................................
  sqlite3_stmt *pStmt;       /* Current SQL statement */
  sqlite3_int64 iStart;      /* Start-time for the current test */
  sqlite3_int64 iTotal;      /* Total time */
  int bWithoutRowid;         /* True for --without-rowid */
  int bReprepare;            /* True to reprepare the SQL on each rerun */
  int bSqlOnly;              /* True to print the SQL once only */
  int bExplain;              /* Print SQL with EXPLAIN prefix */
  int bVerify;               /* Try to verify that results are correct */
  int szTest;                /* Scale factor for test iterations */
  const char *zWR;           /* Might be WITHOUT ROWID */
  const char *zNN;           /* Might be NOT NULL */
  const char *zPK;           /* Might be UNIQUE or PRIMARY KEY */
  unsigned int x, y;         /* Pseudo-random number generator state */
  int nResult;               /* Size of the current result */
  char zResult[3000];        /* Text of the current result */
................................................................................
  if( speedtest1_random()%17==0 ) span = mx - 5;
  d = speedtest1_random()%span + 1;
  x0 = speedtest1_random()%(mx-d) + 1;
  x1 = x0 + d;
  *pX0 = x0;
  *pX1 = x1;
}

/* The following routine is an R-Tree geometry callback.  It returns
** true if the object overlaps a slice on the Y coordinate between the
** two values given as arguments.  In other words
**
**     SELECT count(*) FROM rt1 WHERE id MATCH xslice(10,20);
**
** Is the same as saying:
**
**     SELECT count(*) FROM rt1 WHERE y1>=10 AND y0<=20;
*/
static int xsliceGeometryCallback(
  sqlite3_rtree_geometry *p,
  int nCoord,
  double *aCoord,
  int *pRes
){
  *pRes = aCoord[3]>=p->aParam[0] && aCoord[2]<=p->aParam[1];
  return SQLITE_OK;
}

/*
** A testset for the R-Tree virtual table
*/
void testset_rtree(void){
  unsigned i, n;
  unsigned mxCoord;
  unsigned x0, x1, y0, y1, z0, z1;
  unsigned iStep;
  int *aCheck = sqlite3_malloc( sizeof(int)*g.szTest*100 );

  mxCoord = g.szTest*600;
  n = g.szTest*100;
  speedtest1_begin_test(100, "%d INSERTs into an r-tree", n);
  speedtest1_exec("BEGIN");
  speedtest1_exec("CREATE VIRTUAL TABLE rt1 USING rtree(id,x0,x1,y0,y1,z0,z1)");
  speedtest1_prepare("INSERT INTO rt1(id,x0,x1,y0,y1,z0,z1)"
................................................................................
    sqlite3_bind_int(g.pStmt, 6, z0);
    sqlite3_bind_int(g.pStmt, 7, z1);
    speedtest1_run();
  }
  speedtest1_exec("COMMIT");
  speedtest1_end_test();

  speedtest1_begin_test(101, "Copy from rtree to a regular table");
  speedtest1_exec("CREATE TABLE t1(id INTEGER PRIMARY KEY,x0,x1,y0,y1,z0,z1)");
  speedtest1_exec("INSERT INTO t1 SELECT * FROM rt1");
  speedtest1_end_test();

  n = g.szTest*20;
  speedtest1_begin_test(110, "%d one-dimensional intersect slice queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE x0>=?1 AND x1<=?2");
  iStep = mxCoord/n;
  for(i=0; i<n; i++){
    sqlite3_bind_int(g.pStmt, 1, i*iStep);
    sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
    speedtest1_run();
    aCheck[i] = atoi(g.zResult);
  }
  speedtest1_end_test();

  if( g.bVerify ){
    n = g.szTest*20;
    speedtest1_begin_test(111, "Verify result from 1-D intersect slice queries");
    speedtest1_prepare("SELECT count(*) FROM t1 WHERE x0>=?1 AND x1<=?2");
    iStep = mxCoord/n;
    for(i=0; i<n; i++){
      sqlite3_bind_int(g.pStmt, 1, i*iStep);
      sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
      speedtest1_run();
      if( aCheck[i]!=atoi(g.zResult) ){
        fatal_error("Count disagree step %d: %d..%d.  %d vs %d",
                    i, i*iStep, (i+1)*iStep, aCheck[i], atoi(g.zResult));
      }
    }
    speedtest1_end_test();
  }
  
  n = g.szTest*20;
  speedtest1_begin_test(120, "%d one-dimensional overlap slice queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE y1>=?1 AND y0<=?2");
  iStep = mxCoord/n;
  for(i=0; i<n; i++){
    sqlite3_bind_int(g.pStmt, 1, i*iStep);
    sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
    speedtest1_run();
    aCheck[i] = atoi(g.zResult);
  }
  speedtest1_end_test();

  if( g.bVerify ){
    n = g.szTest*20;
    speedtest1_begin_test(121, "Verify result from 1-D overlap slice queries");
    speedtest1_prepare("SELECT count(*) FROM t1 WHERE y1>=?1 AND y0<=?2");
    iStep = mxCoord/n;
    for(i=0; i<n; i++){
      sqlite3_bind_int(g.pStmt, 1, i*iStep);
      sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
      speedtest1_run();
      if( aCheck[i]!=atoi(g.zResult) ){
        fatal_error("Count disagree step %d: %d..%d.  %d vs %d",
                    i, i*iStep, (i+1)*iStep, aCheck[i], atoi(g.zResult));
      }
    }
    speedtest1_end_test();
  }
  

  n = g.szTest*20;
  speedtest1_begin_test(125, "%d custom geometry callback queries", n);
  sqlite3_rtree_geometry_callback(g.db, "xslice", xsliceGeometryCallback, 0);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE id MATCH xslice(?1,?2)");
  iStep = mxCoord/n;
  for(i=0; i<n; i++){
    sqlite3_bind_int(g.pStmt, 1, i*iStep);
    sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
    speedtest1_run();
    if( aCheck[i]!=atoi(g.zResult) ){
      fatal_error("Count disagree step %d: %d..%d.  %d vs %d",
                  i, i*iStep, (i+1)*iStep, aCheck[i], atoi(g.zResult));
    }
  }
  speedtest1_end_test();

  n = g.szTest*80;
  speedtest1_begin_test(130, "%d three-dimensional intersect box queries", n);
  speedtest1_prepare("SELECT count(*) FROM rt1 WHERE x1>=?1 AND x0<=?2"
                     " AND y1>=?1 AND y0<=?2 AND z1>=?1 AND z0<=?2");
  iStep = mxCoord/n;
  for(i=0; i<n; i++){
    sqlite3_bind_int(g.pStmt, 1, i*iStep);
    sqlite3_bind_int(g.pStmt, 2, (i+1)*iStep);
    speedtest1_run();
    aCheck[i] = atoi(g.zResult);
  }
  speedtest1_end_test();

  n = g.szTest*100;
  speedtest1_begin_test(140, "%d rowid queries", n);
  speedtest1_prepare("SELECT * FROM rt1 WHERE id=?1");
  for(i=1; i<=n; i++){
................................................................................
        zTSet = argv[++i];
      }else if( strcmp(z,"trace")==0 ){
        doTrace = 1;
      }else if( strcmp(z,"utf16le")==0 ){
        zEncoding = "utf16le";
      }else if( strcmp(z,"utf16be")==0 ){
        zEncoding = "utf16be";
      }else if( strcmp(z,"verify")==0 ){
        g.bVerify = 1;
      }else if( strcmp(z,"without-rowid")==0 ){
        g.zWR = "WITHOUT ROWID";
        g.zPK = "PRIMARY KEY";
      }else if( strcmp(z, "help")==0 || strcmp(z,"?")==0 ){
        printf(zHelp, argv[0]);
        exit(0);
      }else{