}
  }
  if( !doInsert ) return;
  if( p->nSample==p->mxSample ){
    assert( p->nSample - iMin - 1 >= 0 );
    memmove(&p->a[iMin], &p->a[iMin+1], sizeof(p->a[0])*(p->nSample-iMin-1));
    pSample = &p->a[p->nSample-1];

  }else{
    pSample = &p->a[p->nSample++];
  }

  pKey = sqlite4_value_blob(argv[3], &nKey);
  if( nKey>pSample->nAlloc ){
    sqlite4 *db = sqlite4_context_db_handle(context);
................................................................................
  if( !zSql ){
    return SQLITE4_NOMEM;
  }
  rc = sqlite4_prepare(db, zSql, -1, &pStmt, 0);
  sqlite4DbFree(db, zSql);
  if( rc ) return rc;

  while( sqlite4_step(pStmt)==SQLITE4_ROW && 0 ){
    char *zIndex;   /* Index name */
    Index *pIdx;    /* Pointer to the index object */
    int i;          /* Loop counter */
    tRowcnt sumEq;  /* Sum of the nEq values */
    const u8 *aVal;
    int nVal;

    }
  }
  if( !doInsert ) return;
  if( p->nSample==p->mxSample ){
    assert( p->nSample - iMin - 1 >= 0 );
    memmove(&p->a[iMin], &p->a[iMin+1], sizeof(p->a[0])*(p->nSample-iMin-1));
    pSample = &p->a[p->nSample-1];
    memset(pSample, 0, sizeof(struct Stat3Sample));
  }else{
    pSample = &p->a[p->nSample++];
  }

  pKey = sqlite4_value_blob(argv[3], &nKey);
  if( nKey>pSample->nAlloc ){
    sqlite4 *db = sqlite4_context_db_handle(context);
................................................................................
  if( !zSql ){
    return SQLITE4_NOMEM;
  }
  rc = sqlite4_prepare(db, zSql, -1, &pStmt, 0);
  sqlite4DbFree(db, zSql);
  if( rc ) return rc;

  while( sqlite4_step(pStmt)==SQLITE4_ROW ){
    char *zIndex;   /* Index name */
    Index *pIdx;    /* Pointer to the index object */
    int i;          /* Loop counter */
    tRowcnt sumEq;  /* Sum of the nEq values */
    const u8 *aVal;
    int nVal;

      sqlite4_stmt *pStmt = va_arg(ap, sqlite4_stmt*);
      const char **pzRet = va_arg(ap, const char**);
      *pzRet = sqlite4VdbeExplanation((Vdbe*)pStmt);
      break;
    }
#endif
















  }
  va_end(ap);
#endif /* SQLITE4_OMIT_BUILTIN_TEST */
  return rc;
}

/*

      sqlite4_stmt *pStmt = va_arg(ap, sqlite4_stmt*);
      const char **pzRet = va_arg(ap, const char**);
      *pzRet = sqlite4VdbeExplanation((Vdbe*)pStmt);
      break;
    }
#endif

    case SQLITE4_TESTCTRL_PRNG_GET: {
      sqlite4_env *pEnv = va_arg(ap, sqlite4_env *);
      sqlite4_int64 *piOut = va_arg(ap, sqlite4_int64 *);
      if( pEnv==0 ) pEnv = &sqlite4DefaultEnv;
      *piOut = (sqlite4_int64)(((u64)pEnv->prngX << 32) + pEnv->prngY);
      break;
    }
    case SQLITE4_TESTCTRL_PRNG_SET: {
      sqlite4_env *pEnv = va_arg(ap, sqlite4_env *);
      u64 iVal = (u64)va_arg(ap, sqlite4_int64);
      if( pEnv==0 ) pEnv = &sqlite4DefaultEnv;
      pEnv->prngX = (iVal>>32);
      pEnv->prngY = (iVal & 0xFFFFFFFF);
      break;
    }
  }
  va_end(ap);
#endif /* SQLITE4_OMIT_BUILTIN_TEST */
  return rc;
}

/*

#define SQLITE4_TESTCTRL_ASSERT                   3
#define SQLITE4_TESTCTRL_ALWAYS                   4
#define SQLITE4_TESTCTRL_RESERVE                  5
#define SQLITE4_TESTCTRL_OPTIMIZATIONS            6
#define SQLITE4_TESTCTRL_ISKEYWORD                7
#define SQLITE4_TESTCTRL_LOCALTIME_FAULT          8
#define SQLITE4_TESTCTRL_EXPLAIN_STMT             9


#define SQLITE4_TESTCTRL_LAST                     9

/*
** CAPIREF: SQLite Runtime Status
**
** ^This interface is used to retrieve runtime status information
** about the performance of SQLite, and optionally to reset various
** highwater marks.  ^The first argument is an integer code for

#define SQLITE4_TESTCTRL_ASSERT                   3
#define SQLITE4_TESTCTRL_ALWAYS                   4
#define SQLITE4_TESTCTRL_RESERVE                  5
#define SQLITE4_TESTCTRL_OPTIMIZATIONS            6
#define SQLITE4_TESTCTRL_ISKEYWORD                7
#define SQLITE4_TESTCTRL_LOCALTIME_FAULT          8
#define SQLITE4_TESTCTRL_EXPLAIN_STMT             9
#define SQLITE4_TESTCTRL_PRNG_GET                 10  /* pEnv, *pi64 */
#define SQLITE4_TESTCTRL_PRNG_SET                 11  /* pEnv, i64   */
#define SQLITE4_TESTCTRL_LAST                     11

/*
** CAPIREF: SQLite Runtime Status
**
** ^This interface is used to retrieve runtime status information
** about the performance of SQLite, and optionally to reset various
** highwater marks.  ^The first argument is an integer code for

  for(i=0; i<pIdx->nSample; i++){
    int res;
    int n = pBuf->n;
    if( n>aSample[i].nVal ) n = aSample[i].nVal;

    res = memcmp(pBuf->p, aSample[i].aVal, n);
    if( res==0 ) res = pBuf->n - aSample[i].nVal;
    if( res>=0 ){
      isEq = (res==0);
      break;
    }
  }

  /* At this point, aSample[i] is the first sample that is greater than
  ** or equal to pVal.  Or if i==pIdx->nSample, then all samples are less
................................................................................
    sqlite4_buffer_init(&buf, db->pEnv->pMM);
    rc = whereSampleKeyinfo(pParse, p, &keyinfo);

    if( rc==SQLITE4_OK && pLower ){
      Expr *pExpr = pLower->pExpr->pRight;
      rc = valueFromExpr(pParse, &keyinfo, pExpr, aff, &buf);
      assert( pLower->eOperator==WO_GT || pLower->eOperator==WO_GE );
      if( rc==SQLITE4_OK
       && whereKeyStats(pParse, p, &buf, 0, a)==SQLITE4_OK
      ){
        iLower = a[0];
        if( pLower->eOperator==WO_GT ) iLower += a[1];
      }
      sqlite4_buffer_set(&buf, 0, 0);
    }
    if( rc==SQLITE4_OK && pUpper ){
      Expr *pExpr = pUpper->pExpr->pRight;
      rc = valueFromExpr(pParse, &keyinfo, pExpr, aff, &buf);
      assert( pUpper->eOperator==WO_LT || pUpper->eOperator==WO_LE );
      if( rc==SQLITE4_OK
       && whereKeyStats(pParse, p, &buf, 1, a)==SQLITE4_OK
      ){
        iUpper = a[0];
        if( pUpper->eOperator==WO_LE ) iUpper += a[1];
      }
    }
    sqlite4_buffer_clear(&buf);

  for(i=0; i<pIdx->nSample; i++){
    int res;
    int n = pBuf->n;
    if( n>aSample[i].nVal ) n = aSample[i].nVal;

    res = memcmp(pBuf->p, aSample[i].aVal, n);
    if( res==0 ) res = pBuf->n - aSample[i].nVal;
    if( res<=0 ){
      isEq = (res==0);
      break;
    }
  }

  /* At this point, aSample[i] is the first sample that is greater than
  ** or equal to pVal.  Or if i==pIdx->nSample, then all samples are less
................................................................................
    sqlite4_buffer_init(&buf, db->pEnv->pMM);
    rc = whereSampleKeyinfo(pParse, p, &keyinfo);

    if( rc==SQLITE4_OK && pLower ){
      Expr *pExpr = pLower->pExpr->pRight;
      rc = valueFromExpr(pParse, &keyinfo, pExpr, aff, &buf);
      assert( pLower->eOperator==WO_GT || pLower->eOperator==WO_GE );
      if( rc==SQLITE4_OK && buf.n
       && whereKeyStats(pParse, p, &buf, 0, a)==SQLITE4_OK
      ){
        iLower = a[0];
        if( pLower->eOperator==WO_GT ) iLower += a[1];
      }
      sqlite4_buffer_set(&buf, 0, 0);
    }
    if( rc==SQLITE4_OK && pUpper ){
      Expr *pExpr = pUpper->pExpr->pRight;
      rc = valueFromExpr(pParse, &keyinfo, pExpr, aff, &buf);
      assert( pUpper->eOperator==WO_LT || pUpper->eOperator==WO_LE );
      if( rc==SQLITE4_OK && buf.n
       && whereKeyStats(pParse, p, &buf, 1, a)==SQLITE4_OK
      ){
        iUpper = a[0];
        if( pUpper->eOperator==WO_LE ) iUpper += a[1];
      }
    }
    sqlite4_buffer_clear(&buf);

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !stat3 {
  finish_test
  return
}


#----------------------------------------------------------------------
# Test Organization:
#
# analyze3-1.*: Test that the values of bound parameters are considered 
#               in the same way as constants when planning queries that
#               use range constraints.
................................................................................
db function var getvar

proc eqp {sql {db db}} {
  uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db
}

proc sf_execsql {sql {db db}} {
  set ::sqlite_search_count 0
  set r [uplevel [list execsql $sql $db]]




  concat $::sqlite_search_count [$db status step] $r
}


















#-------------------------------------------------------------------------
#
# analyze3-1.1.1: 
#   Create a table with two columns. Populate the first column (affinity 
#   INTEGER) with integer values from 100 to 1100. Create an index on this 
#   column. ANALYZE the table.
................................................................................
#   literal values to constrain the range scan.
#
#   These tests also check that the compiler code considers column 
#   affinities when estimating the number of rows scanned by the "use 
#   index strategy".
#
do_test analyze3-1.1.1 {








  execsql {
    BEGIN;
    CREATE TABLE t1(x INTEGER, y);
    CREATE INDEX i1 ON t1(x);
  }
  for {set i 0} {$i < 1000} {incr i} {
    execsql { INSERT INTO t1 VALUES($i+100, $i) }
  }
  execsql {
    COMMIT;
    ANALYZE;
  }
} {}

do_eqp_test analyze3-1.1.2 {
  SELECT sum(y) FROM t1 WHERE x>200 AND x<300
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?) (~179 rows)}}
do_eqp_test analyze3-1.1.3 {
  SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?) (~959 rows)}}

do_test analyze3-1.1.4 {
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>200 AND x<300 }
} {199 0 14850}
do_test analyze3-1.1.5 {
  set l [string range "200" 0 end]
  set u [string range "300" 0 end]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
................................................................................
do_test analyze3-1.1.6 {
  set l [expr int(200)]
  set u [expr int(300)]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {199 0 14850}
do_test analyze3-1.1.7 {
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 }
} {2000 0 499500}
do_test analyze3-1.1.8 {
  set l [string range "0" 0 end]
  set u [string range "1100" 0 end]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {2000 0 499500}
do_test analyze3-1.1.9 {
  set l [expr int(0)]
  set u [expr int(1100)]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {2000 0 499500}


# The following tests are similar to the block above. The difference is
# that the indexed column has TEXT affinity in this case. In the tests
# above the affinity is INTEGER.
#
do_test analyze3-1.2.1 {

  execsql {
    BEGIN;
      CREATE TABLE t2(x TEXT, y);
      INSERT INTO t2 SELECT * FROM t1;
      CREATE INDEX i2 ON t2(x);
    COMMIT;
    ANALYZE;
  }
} {}
do_eqp_test analyze3-1.2.2 {
  SELECT sum(y) FROM t2 WHERE x>1 AND x<2
} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?) (~196 rows)}}
do_eqp_test analyze3-1.2.3 {
  SELECT sum(y) FROM t2 WHERE x>0 AND x<99
} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?) (~968 rows)}}
do_test analyze3-1.2.4 {
  sf_execsql { SELECT sum(y) FROM t2 WHERE x>12 AND x<20 }
} {161 0 4760}
do_test analyze3-1.2.5 {
  set l [string range "12" 0 end]
  set u [string range "20" 0 end]
  sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
................................................................................
} {1981 0 integer integer 490555}

# Same tests a third time. This time, column x has INTEGER affinity and
# is not the leftmost column of the table. This triggered a bug causing
# SQLite to use sub-optimal query plans in 3.6.18 and earlier.
#
do_test analyze3-1.3.1 {

  execsql {
    BEGIN;
      CREATE TABLE t3(y TEXT, x INTEGER);
      INSERT INTO t3 SELECT y, x FROM t1;
      CREATE INDEX i3 ON t3(x);
    COMMIT;
    ANALYZE;
  }
} {}
do_eqp_test analyze3-1.3.2 {
  SELECT sum(y) FROM t3 WHERE x>200 AND x<300
} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?) (~156 rows)}}
do_eqp_test analyze3-1.3.3 {
  SELECT sum(y) FROM t3 WHERE x>0 AND x<1100
} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?) (~989 rows)}}

do_test analyze3-1.3.4 {
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>200 AND x<300 }
} {199 0 14850}
do_test analyze3-1.3.5 {
  set l [string range "200" 0 end]
  set u [string range "300" 0 end]
................................................................................
do_test analyze3-1.3.6 {
  set l [expr int(200)]
  set u [expr int(300)]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {199 0 14850}
do_test analyze3-1.3.7 {
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>0 AND x<1100 }
} {2000 0 499500}
do_test analyze3-1.3.8 {
  set l [string range "0" 0 end]
  set u [string range "1100" 0 end]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {2000 0 499500}
do_test analyze3-1.3.9 {
  set l [expr int(0)]
  set u [expr int(1100)]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {2000 0 499500}

#-------------------------------------------------------------------------
# Test that the values of bound SQL variables may be used for the LIKE
# optimization.
#
drop_all_tables
do_test analyze3-2.1 {
................................................................................
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b>? AND b<?) (~31250 rows)}}
do_eqp_test analyze3-2.3 {
  SELECT count(a) FROM t1 WHERE b LIKE '%a'
} {0 0 0 {SCAN TABLE t1 (~500000 rows)}}

do_test analyze3-2.4 {
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE 'a%' }
} {101 0 100}
do_test analyze3-2.5 {
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE '%a' }
} {999 999 100}

do_test analyze3-2.4 {
  set like "a%"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {101 0 100}
do_test analyze3-2.5 {
  set like "%a"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {999 999 100}
do_test analyze3-2.6 {
  set like "a"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {101 0 0}
do_test analyze3-2.7 {
  set like "ab"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {11 0 0}
do_test analyze3-2.8 {
  set like "abc"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {2 0 1}
do_test analyze3-2.9 {
  set like "a_c"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {101 0 10}


#-------------------------------------------------------------------------
# This block of tests checks that statements are correctly marked as
# expired when the values bound to any parameters that may affect the 
# query plan are modified.
#
drop_all_tables
db auth auth
proc auth {args} {
  set ::auth 1
  return SQLITE4_OK
}

do_test analyze3-3.1 {
  execsql {
    BEGIN;
    CREATE TABLE t1(a, b, c);
    CREATE INDEX i1 ON t1(b);
  }
................................................................................
    execsql { INSERT INTO t1 VALUES($i, $i, $i) }
  }
  execsql COMMIT
  execsql ANALYZE
} {}

do_test analyze3-3.2.1 {
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE b>?" -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.2.2 {
  sqlite4_bind_text $S 1 "abc" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.2.4 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.2.5 {
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE b=?" -1 dummy]
  sqlite4_expired $S

} {0}
do_test analyze3-3.2.6 {
  sqlite4_bind_text $S 1 "abc" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.2.7 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.4.1 {
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.4.2 {
  sqlite4_bind_text $S 1 "abc" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.4.3 {
  sqlite4_bind_text $S 2 "def" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.4.4 {
  sqlite4_bind_text $S 2 "ghi" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.4.5 {
  sqlite4_expired $S
} {1}
do_test analyze3-3.4.6 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.5.1 {
  set S [sqlite4_prepare_v2 db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31
    ) AND b>?32;
  } -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.5.2 {
  sqlite4_bind_text $S 31 "abc" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.5.3 {
  sqlite4_bind_text $S 32 "def" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.5.5 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.6.1 {
  set S [sqlite4_prepare_v2 db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
    ) AND b>?33;
  } -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.6.2 {
  sqlite4_bind_text $S 32 "abc" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.6.3 {
  sqlite4_bind_text $S 33 "def" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.6.5 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.7.1 {
  set S [sqlite4_prepare_v2 db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?33,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
    ) AND b>?10;
  } -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.7.2 {
  sqlite4_bind_text $S 32 "abc" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.7.3 {
  sqlite4_bind_text $S 33 "def" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.7.4 {
  sqlite4_bind_text $S 10 "def" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.7.6 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.8.1 {
  execsql {
    CREATE TABLE t4(x, y TEXT COLLATE NOCASE);
    CREATE INDEX i4 ON t4(y);
  }
} {}
do_test analyze3-3.8.2 {
  set S [sqlite4_prepare_v2 db {
    SELECT * FROM t4 WHERE x != ? AND y LIKE ?
  } -1 dummy]
  sqlite4_expired $S
} {0}
do_test analyze3-3.8.3 {
  sqlite4_bind_text $S 1 "abc" 3
  sqlite4_expired $S
} {0}
do_test analyze3-3.8.4 {
  sqlite4_bind_text $S 2 "def" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.7 {
  sqlite4_bind_text $S 2 "ghi%" 4
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.8 {
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.9 {
  sqlite4_bind_text $S 2 "ghi%def" 7
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.10 {
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.11 {
  sqlite4_bind_text $S 2 "%ab" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.12 {
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.12 {
  sqlite4_bind_text $S 2 "%de" 3
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.13 {
  sqlite4_expired $S
} {1}
do_test analyze3-3.8.14 {
  sqlite4_finalize $S
} {SQLITE4_OK}

#-------------------------------------------------------------------------
# These tests check that errors encountered while repreparing an SQL
# statement within sqlite4Reprepare() are handled correctly.
#

# Check a schema error.
#
do_test analyze3-4.1.1 {
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  sqlite4_step $S
} {SQLITE4_DONE}
do_test analyze3-4.1.2 {
  sqlite4_reset $S
  sqlite4_bind_text $S 2 "abc" 3
  execsql { DROP TABLE t1 }
  sqlite4_step $S
................................................................................
    CREATE INDEX i1 ON t1(b);
  }
  for {set i 0} {$i < 100} {incr i} {
    execsql { INSERT INTO t1 VALUES($i, $i, $i) }
  }
  execsql COMMIT
  execsql ANALYZE
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  sqlite4_step $S
} {SQLITE4_DONE}
db auth auth
proc auth {args} {
  if {[lindex $args 0] == "SQLITE4_READ"} {return SQLITE4_DENY}
  return SQLITE4_OK
}
................................................................................

# Check the effect of an authorization error that occurs in a re-prepare
# performed by sqlite4_step() is the same as one that occurs within
# sqlite4Reprepare().
#
do_test analyze3-4.3.1 {
  db auth {}
  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  execsql { CREATE TABLE t2(d, e, f) }
  db auth auth
  sqlite4_step $S
} {SQLITE4_AUTH}
do_test analyze3-4.3.2 {
  sqlite4_finalize $S
} {SQLITE4_AUTH}
db auth {}

#-------------------------------------------------------------------------
# Test that modifying bound variables using the clear_bindings() or
# transfer_bindings() APIs works.
#
#   analyze3-5.1.*: sqlite4_clear_bindings()
#   analyze3-5.2.*: sqlite4_transfer_bindings()
#
do_test analyze3-5.1.1 {
  drop_all_tables
  execsql {
    CREATE TABLE t1(x TEXT COLLATE NOCASE);
    CREATE INDEX i1 ON t1(x);
    INSERT INTO t1 VALUES('aaa');
................................................................................
    INSERT INTO t1 VALUES('abb');
    INSERT INTO t1 VALUES('acc');
    INSERT INTO t1 VALUES('baa');
    INSERT INTO t1 VALUES('bbb');
    INSERT INTO t1 VALUES('bcc');
  }

  set S [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy]
  sqlite4_bind_text $S 1 "a%" 2
  set R [list]
  while { "SQLITE4_ROW" == [sqlite4_step $S] } {
    lappend R [sqlite4_column_text $S 0]
  }
  concat [sqlite4_reset $S] $R
} {SQLITE4_OK aaa abb acc}
................................................................................
  }
  concat [sqlite4_reset $S] $R
} {SQLITE4_OK}
do_test analyze3-5.1.3 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-5.1.1 {
  set S1 [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy]
  sqlite4_bind_text $S1 1 "b%" 2
  set R [list]
  while { "SQLITE4_ROW" == [sqlite4_step $S1] } {
    lappend R [sqlite4_column_text $S1 0]
  }
  concat [sqlite4_reset $S1] $R
} {SQLITE4_OK baa bbb bcc}

do_test analyze3-5.1.2 {
  set S2 [sqlite4_prepare_v2 db "SELECT * FROM t1 WHERE x = ?" -1 dummy]
  sqlite4_bind_text $S2 1 "a%" 2
  sqlite4_transfer_bindings $S2 $S1
  set R [list]
  while { "SQLITE4_ROW" == [sqlite4_step $S1] } {
    lappend R [sqlite4_column_text $S1 0]
  }
  concat [sqlite4_reset $S1] $R
} {SQLITE4_OK aaa abb acc}
do_test analyze3-5.1.3 {
  sqlite4_finalize $S2
  sqlite4_finalize $S1
} {SQLITE4_OK}

finish_test

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !stat3 {
  finish_test
  return
}


#----------------------------------------------------------------------
# Test Organization:
#
# analyze3-1.*: Test that the values of bound parameters are considered 
#               in the same way as constants when planning queries that
#               use range constraints.
................................................................................
db function var getvar

proc eqp {sql {db db}} {
  uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db
}

proc sf_execsql {sql {db db}} {
  kvwrap reset
  set res [uplevel execsql [list $sql]]
  #puts "sql={$sql} seek=[kvwrap seek] step=[kvwrap step]"
  set count [expr [kvwrap step] + [kvwrap seek]]
  concat $count [$db status step] $res
}


# This proc calls sqlite4_step() on the statement passed as the only
# argument. It ignores the results of this call and immediately resets
# the statement. The return value is 1 if the authorization callback
# was invoked one or more times, or 0 otherwise. This is used to test
# that statements are recompiled as required.
#
proc test_for_recompile {stmt} {
  set ::auth_callbacks 0
  sqlite4_step $stmt
  sqlite4_reset $stmt
  return [expr $::auth_callbacks>0]
}
proc auth_callback {args} {
  incr ::auth_callbacks
  return SQLITE4_OK
}
db auth auth_callback

#-------------------------------------------------------------------------
#
# analyze3-1.1.1: 
#   Create a table with two columns. Populate the first column (affinity 
#   INTEGER) with integer values from 100 to 1100. Create an index on this 
#   column. ANALYZE the table.
................................................................................
#   literal values to constrain the range scan.
#
#   These tests also check that the compiler code considers column 
#   affinities when estimating the number of rows scanned by the "use 
#   index strategy".
#
do_test analyze3-1.1.1 {
  # The precise output of EXPLAIN QUERY PLAN are normally non-deterministic 
  # (as the estimated number of rows may vary slightly based on arbitrary 
  # decisions made while sampling the index for the sqlite_stat3 table).
  # Or, more accurately, the output depends on the built-in PRNG. So set
  # the PRNG to a known state before running ANALYZE in order to make
  # the results deterministic.
  #
  prng_state_set 0
  execsql {
    BEGIN;
    CREATE TABLE t1(x INTEGER, y);
    CREATE INDEX i1 ON t1(x);
  }
  for {set i 0} {$i < 1000} {incr i} {
    execsql { INSERT INTO t1 VALUES($i+100, $i) }
  }
  execsql COMMIT

  execsql ANALYZE

} {}

do_eqp_test analyze3-1.1.2 {
  SELECT sum(y) FROM t1 WHERE x>200 AND x<300
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?) (~160 rows)}}
do_eqp_test analyze3-1.1.3 {
  SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?) (~985 rows)}}

do_test analyze3-1.1.4 {
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>200 AND x<300 }
} {199 0 14850}
do_test analyze3-1.1.5 {
  set l [string range "200" 0 end]
  set u [string range "300" 0 end]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
................................................................................
do_test analyze3-1.1.6 {
  set l [expr int(200)]
  set u [expr int(300)]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {199 0 14850}
do_test analyze3-1.1.7 {
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 }
} {2001 0 499500}
do_test analyze3-1.1.8 {
  set l [string range "0" 0 end]
  set u [string range "1100" 0 end]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {2001 0 499500}
do_test analyze3-1.1.9 {
  set l [expr int(0)]
  set u [expr int(1100)]
  sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
} {2001 0 499500}


# The following tests are similar to the block above. The difference is
# that the indexed column has TEXT affinity in this case. In the tests
# above the affinity is INTEGER.
#
do_test analyze3-1.2.1 {
  prng_state_set 0
  execsql {
    BEGIN;
      CREATE TABLE t2(x TEXT, y);
      INSERT INTO t2 SELECT * FROM t1;
      CREATE INDEX i2 ON t2(x);
    COMMIT;
    ANALYZE;
  }
} {}
do_eqp_test analyze3-1.2.2 {
  SELECT sum(y) FROM t2 WHERE x>1 AND x<2
} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?) (~193 rows)}}
do_eqp_test analyze3-1.2.3 {
  SELECT sum(y) FROM t2 WHERE x>0 AND x<99
} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?) (~972 rows)}}
do_test analyze3-1.2.4 {
  sf_execsql { SELECT sum(y) FROM t2 WHERE x>12 AND x<20 }
} {161 0 4760}
do_test analyze3-1.2.5 {
  set l [string range "12" 0 end]
  set u [string range "20" 0 end]
  sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
................................................................................
} {1981 0 integer integer 490555}

# Same tests a third time. This time, column x has INTEGER affinity and
# is not the leftmost column of the table. This triggered a bug causing
# SQLite to use sub-optimal query plans in 3.6.18 and earlier.
#
do_test analyze3-1.3.1 {
  prng_state_set 0
  execsql {
    BEGIN;
      CREATE TABLE t3(y TEXT, x INTEGER);
      INSERT INTO t3 SELECT y, x FROM t1;
      CREATE INDEX i3 ON t3(x);
    COMMIT;
    ANALYZE;
  }
} {}
do_eqp_test analyze3-1.3.2 {
  SELECT sum(y) FROM t3 WHERE x>200 AND x<300
} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?) (~107 rows)}}
do_eqp_test analyze3-1.3.3 {
  SELECT sum(y) FROM t3 WHERE x>0 AND x<1100
} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?) (~972 rows)}}

do_test analyze3-1.3.4 {
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>200 AND x<300 }
} {199 0 14850}
do_test analyze3-1.3.5 {
  set l [string range "200" 0 end]
  set u [string range "300" 0 end]
................................................................................
do_test analyze3-1.3.6 {
  set l [expr int(200)]
  set u [expr int(300)]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {199 0 14850}
do_test analyze3-1.3.7 {
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>0 AND x<1100 }
} {2001 0 499500}
do_test analyze3-1.3.8 {
  set l [string range "0" 0 end]
  set u [string range "1100" 0 end]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {2001 0 499500}
do_test analyze3-1.3.9 {
  set l [expr int(0)]
  set u [expr int(1100)]
  sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
} {2001 0 499500}

#-------------------------------------------------------------------------
# Test that the values of bound SQL variables may be used for the LIKE
# optimization.
#
drop_all_tables
do_test analyze3-2.1 {
................................................................................
} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b>? AND b<?) (~31250 rows)}}
do_eqp_test analyze3-2.3 {
  SELECT count(a) FROM t1 WHERE b LIKE '%a'
} {0 0 0 {SCAN TABLE t1 (~500000 rows)}}

do_test analyze3-2.4 {
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE 'a%' }
} {201 0 100}
do_test analyze3-2.5 {
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE '%a' }
} {1001 999 100}

do_test analyze3-2.4 {
  set like "a%"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {201 0 100}
do_test analyze3-2.5 {
  set like "%a"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {1001 999 100}
do_test analyze3-2.6 {
  set like "a"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {201 0 0}
do_test analyze3-2.7 {
  set like "ab"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {21 0 0}
do_test analyze3-2.8 {
  set like "abc"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {3 0 1}
do_test analyze3-2.9 {
  set like "a_c"
  sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
} {201 0 10}


#-------------------------------------------------------------------------
# This block of tests checks that statements are correctly marked as
# expired when the values bound to any parameters that may affect the 
# query plan are modified.
#
drop_all_tables
db auth auth_callback





do_test analyze3-3.1 {
  execsql {
    BEGIN;
    CREATE TABLE t1(a, b, c);
    CREATE INDEX i1 ON t1(b);
  }
................................................................................
    execsql { INSERT INTO t1 VALUES($i, $i, $i) }
  }
  execsql COMMIT
  execsql ANALYZE
} {}

do_test analyze3-3.2.1 {
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE b>?" -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.2.2 {
  sqlite4_bind_text $S 1 "abc" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.2.4 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.2.5 {
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE b=?" -1 dummy]

  test_for_recompile $S
} {0}
do_test analyze3-3.2.6 {
  sqlite4_bind_text $S 1 "abc" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.2.7 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.4.1 {
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.4.2 {
  sqlite4_bind_text $S 1 "abc" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.4.3 {
  sqlite4_bind_text $S 2 "def" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.4.4 {
  sqlite4_bind_text $S 2 "ghi" 3
  test_for_recompile $S



} {1}
do_test analyze3-3.4.6 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.5.1 {
  set S [sqlite4_prepare db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31
    ) AND b>?32;
  } -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.5.2 {
  sqlite4_bind_text $S 31 "abc" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.5.3 {
  sqlite4_bind_text $S 32 "def" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.5.5 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.6.1 {
  set S [sqlite4_prepare db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
    ) AND b>?33;
  } -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.6.2 {
  sqlite4_bind_text $S 32 "abc" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.6.3 {
  sqlite4_bind_text $S 33 "def" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.6.5 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.7.1 {
  set S [sqlite4_prepare db {
    SELECT * FROM t1 WHERE a IN (
      ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?33,
      ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
      ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
    ) AND b>?10;
  } -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.7.2 {
  sqlite4_bind_text $S 32 "abc" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.7.3 {
  sqlite4_bind_text $S 33 "def" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.7.4 {
  sqlite4_bind_text $S 10 "def" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.7.6 {
  sqlite4_finalize $S
} {SQLITE4_OK}

do_test analyze3-3.8.1 {
  execsql {
    CREATE TABLE t4(x, y TEXT COLLATE NOCASE);
    CREATE INDEX i4 ON t4(y);
  }
} {}
do_test analyze3-3.8.2 {
  set S [sqlite4_prepare db {
    SELECT * FROM t4 WHERE x != ? AND y LIKE ?
  } -1 dummy]
  test_for_recompile $S
} {0}
do_test analyze3-3.8.3 {
  sqlite4_bind_text $S 1 "abc" 3
  test_for_recompile $S
} {0}
do_test analyze3-3.8.4 {
  sqlite4_bind_text $S 2 "def" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.8.7 {
  sqlite4_bind_text $S 2 "ghi%" 4
  test_for_recompile $S
} {1}
do_test analyze3-3.8.8 {
  test_for_recompile $S
} {0}
do_test analyze3-3.8.9 {
  sqlite4_bind_text $S 2 "ghi%def" 7
  test_for_recompile $S
} {1}
do_test analyze3-3.8.10 {
  test_for_recompile $S
} {0}
do_test analyze3-3.8.11 {
  sqlite4_bind_text $S 2 "%ab" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.8.12 {
  test_for_recompile $S
} {0}
do_test analyze3-3.8.12 {
  sqlite4_bind_text $S 2 "%de" 3
  test_for_recompile $S
} {1}
do_test analyze3-3.8.13 {
  test_for_recompile $S
} {0}
do_test analyze3-3.8.14 {
  sqlite4_finalize $S
} {SQLITE4_OK}

#-------------------------------------------------------------------------
# These tests check that errors encountered while repreparing an SQL
# statement within sqlite4Reprepare() are handled correctly.
#

# Check a schema error.
#
do_test analyze3-4.1.1 {
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  sqlite4_step $S
} {SQLITE4_DONE}
do_test analyze3-4.1.2 {
  sqlite4_reset $S
  sqlite4_bind_text $S 2 "abc" 3
  execsql { DROP TABLE t1 }
  sqlite4_step $S
................................................................................
    CREATE INDEX i1 ON t1(b);
  }
  for {set i 0} {$i < 100} {incr i} {
    execsql { INSERT INTO t1 VALUES($i, $i, $i) }
  }
  execsql COMMIT
  execsql ANALYZE
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  sqlite4_step $S
} {SQLITE4_DONE}
db auth auth
proc auth {args} {
  if {[lindex $args 0] == "SQLITE4_READ"} {return SQLITE4_DENY}
  return SQLITE4_OK
}
................................................................................

# Check the effect of an authorization error that occurs in a re-prepare
# performed by sqlite4_step() is the same as one that occurs within
# sqlite4Reprepare().
#
do_test analyze3-4.3.1 {
  db auth {}
  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
  execsql { CREATE TABLE t2(d, e, f) }
  db auth auth
  sqlite4_step $S
} {SQLITE4_AUTH}
do_test analyze3-4.3.2 {
  sqlite4_finalize $S
} {SQLITE4_AUTH}
db auth {}

#-------------------------------------------------------------------------
# Test that modifying bound variables using the clear_bindings() works.




#
do_test analyze3-5.1.1 {
  drop_all_tables
  execsql {
    CREATE TABLE t1(x TEXT COLLATE NOCASE);
    CREATE INDEX i1 ON t1(x);
    INSERT INTO t1 VALUES('aaa');
................................................................................
    INSERT INTO t1 VALUES('abb');
    INSERT INTO t1 VALUES('acc');
    INSERT INTO t1 VALUES('baa');
    INSERT INTO t1 VALUES('bbb');
    INSERT INTO t1 VALUES('bcc');
  }

  set S [sqlite4_prepare db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy]
  sqlite4_bind_text $S 1 "a%" 2
  set R [list]
  while { "SQLITE4_ROW" == [sqlite4_step $S] } {
    lappend R [sqlite4_column_text $S 0]
  }
  concat [sqlite4_reset $S] $R
} {SQLITE4_OK aaa abb acc}
................................................................................
  }
  concat [sqlite4_reset $S] $R
} {SQLITE4_OK}
do_test analyze3-5.1.3 {
  sqlite4_finalize $S
} {SQLITE4_OK}


























finish_test

#-------------------------------------------------------------------------
# The point of this test is to add a large number of blocks to the 
# free-block list and check that this doesn't seem to cause any
# obvious problems.
#
do_test 3.0 {

  db close
  forcedelete test.db
  sqlite4 db file:test.db?lsm_block_size=65536
  execsql { 
    CREATE TABLE t1(a PRIMARY KEY, b);
    CREATE INDEX i1 ON t1(b);
  }

#-------------------------------------------------------------------------
# The point of this test is to add a large number of blocks to the 
# free-block list and check that this doesn't seem to cause any
# obvious problems.
#
do_test 3.0 {
  prng_state_set 11003242342353200
  db close
  forcedelete test.db
  sqlite4 db file:test.db?lsm_block_size=65536
  execsql { 
    CREATE TABLE t1(a PRIMARY KEY, b);
    CREATE INDEX i1 ON t1(b);
  }

  lsm1.test lsm2.test lsm3.test lsm4.test lsm5.test
  csr1.test
  ckpt1.test
  mc1.test
  fts5expr1.test fts5query1.test fts5rnd1.test fts5create.test
  fts5snippet.test

  analyze.test
  auth.test auth2.test auth3.test auth4.test
  aggerror.test
  attach.test
  autoindex1.test
  badutf.test
  between.test
  bigrow.test

  lsm1.test lsm2.test lsm3.test lsm4.test lsm5.test
  csr1.test
  ckpt1.test
  mc1.test
  fts5expr1.test fts5query1.test fts5rnd1.test fts5create.test
  fts5snippet.test

  analyze.test analyze3.test
  auth.test auth2.test auth3.test auth4.test
  aggerror.test
  attach.test
  autoindex1.test
  badutf.test
  between.test
  bigrow.test

  ** printExplainQueryPlan() immediately.
  */
  fflush(stdout);
  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
  return TCL_OK;
}
#endif /* SQLITE4_OMIT_EXPLAIN */



































/*
** sqlite4_test_control VERB ARGS...
*/
static int test_test_control(
  void * clientData,
  Tcl_Interp *interp,
................................................................................
     { "tcl_variable_type",       tcl_variable_type, 0       },
     { "sqlite4_libversion_number", test_libversion_number, 0  },
     { "test_sqlite4_log",         test_sqlite4_log, 0  },
#ifndef SQLITE4_OMIT_EXPLAIN
     { "print_explain_query_plan", test_print_eqp, 0  },
#endif
     { "sqlite4_test_control", test_test_control },



  };
  static int bitmask_size = sizeof(Bitmask)*8;
  int i;
  extern int sqlite4_opentemp_count;
  extern int sqlite4_like_count;
  extern int sqlite4_xferopt_count;
  extern int sqlite4_pager_readdb_count;

  ** printExplainQueryPlan() immediately.
  */
  fflush(stdout);
  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
  return TCL_OK;
}
#endif /* SQLITE4_OMIT_EXPLAIN */

static int test_prng_state_get(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite4_int64 iVal;
  if( objc!=0 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }
  sqlite4_test_control(SQLITE4_TESTCTRL_PRNG_SET, (sqlite4_env *)0, &iVal);
  Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
  return TCL_OK;
}

static int test_prng_state_set(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite4_int64 iVal;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "VALUE");
    return TCL_ERROR;
  }
  if( Tcl_GetWideIntFromObj(interp, objv[1], &iVal) ){
    return TCL_ERROR;
  }
  sqlite4_test_control(SQLITE4_TESTCTRL_PRNG_SET, (sqlite4_env *)0, iVal);
  return TCL_OK;
}

/*
** sqlite4_test_control VERB ARGS...
*/
static int test_test_control(
  void * clientData,
  Tcl_Interp *interp,
................................................................................
     { "tcl_variable_type",       tcl_variable_type, 0       },
     { "sqlite4_libversion_number", test_libversion_number, 0  },
     { "test_sqlite4_log",         test_sqlite4_log, 0  },
#ifndef SQLITE4_OMIT_EXPLAIN
     { "print_explain_query_plan", test_print_eqp, 0  },
#endif
     { "sqlite4_test_control", test_test_control },

     { "prng_state_get", test_prng_state_get },
     { "prng_state_set", test_prng_state_set },
  };
  static int bitmask_size = sizeof(Bitmask)*8;
  int i;
  extern int sqlite4_opentemp_count;
  extern int sqlite4_like_count;
  extern int sqlite4_xferopt_count;
  extern int sqlite4_pager_readdb_count;