Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/src/test/analyzeB.test

Index: third_party/sqlite/src/test/analyzeB.test
diff --git a/third_party/sqlite/src/test/analyzeB.test b/third_party/sqlite/src/test/analyzeB.test
new file mode 100644
index 0000000000000000000000000000000000000000..2a78c18b3dc70f6f4c8fb5722da019872a212e34
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+++ b/third_party/sqlite/src/test/analyzeB.test
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+# 2013 August 3
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file contains automated tests used to verify that the sqlite_stat3
+# functionality is working. The tests in this file are based on a subset
+# of the sqlite_stat4 tests in analyze9.test.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix analyzeB
+
+ifcapable !stat3 {
+  finish_test
+  return
+}
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a TEXT, b TEXT); 
+  INSERT INTO t1 VALUES('(0)', '(0)');
+  INSERT INTO t1 VALUES('(1)', '(1)');
+  INSERT INTO t1 VALUES('(2)', '(2)');
+  INSERT INTO t1 VALUES('(3)', '(3)');
+  INSERT INTO t1 VALUES('(4)', '(4)');
+  CREATE INDEX i1 ON t1(a, b);
+} {}
+
+
+do_execsql_test 1.1 {
+  ANALYZE;
+} {}
+
+do_execsql_test 1.2 {
+  SELECT tbl,idx,nEq,nLt,nDLt,quote(sample) FROM sqlite_stat3;
+} {
+  t1 i1 1 0 0 '(0)'
+  t1 i1 1 1 1 '(1)'
+  t1 i1 1 2 2 '(2)'
+  t1 i1 1 3 3 '(3)'
+  t1 i1 1 4 4 '(4)'
+}
+
+if {[permutation] != "utf16"} {
+  do_execsql_test 1.3 {
+    SELECT tbl,idx,nEq,nLt,nDLt,quote(sample) FROM sqlite_stat3;
+  } {
+    t1 i1 1 0 0 '(0)'
+    t1 i1 1 1 1 '(1)'
+    t1 i1 1 2 2 '(2)'
+    t1 i1 1 3 3 '(3)'
+    t1 i1 1 4 4 '(4)'
+  }
+}
+
+
+#-------------------------------------------------------------------------
+# This is really just to test SQL user function "test_decode".
+#
+reset_db
+do_execsql_test 2.1 {
+  CREATE TABLE t1(a, b, c);
+  INSERT INTO t1(a) VALUES('some text');
+  INSERT INTO t1(a) VALUES(14);
+  INSERT INTO t1(a) VALUES(NULL);
+  INSERT INTO t1(a) VALUES(22.0);
+  INSERT INTO t1(a) VALUES(x'656667');
+  CREATE INDEX i1 ON t1(a, b, c);
+  ANALYZE;
+  SELECT quote(sample) FROM sqlite_stat3;
+} {
+  NULL 14 22.0 {'some text'} X'656667' 
+}
+
+#-------------------------------------------------------------------------
+# 
+reset_db
+do_execsql_test 3.1 {
+  CREATE TABLE t2(a, b);
+  CREATE INDEX i2 ON t2(a, b);
+  BEGIN;
+}
+
+do_test 3.2 {
+  for {set i 0} {$i < 1000} {incr i} {
+    set a [expr $i / 10]
+    set b [expr int(rand() * 15.0)]
+    execsql { INSERT INTO t2 VALUES($a, $b) }
+  }
+  execsql COMMIT
+} {}
+
+db func lindex lindex
+
+# Each value of "a" occurs exactly 10 times in the table.
+#
+do_execsql_test 3.3.1 {
+  SELECT count(*) FROM t2 GROUP BY a;
+} [lrange [string repeat "10 " 100] 0 99]
+
+# The first element in the "nEq" list of all samples should therefore be 10.
+#
+do_execsql_test 3.3.2 {
+  ANALYZE;
+  SELECT nEq FROM sqlite_stat3;
+} [lrange [string repeat "10 " 100] 0 23]
+
+#-------------------------------------------------------------------------
+# 
+do_execsql_test 3.4 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
+  INSERT INTO t1 VALUES(1, 1, 'one-a');
+  INSERT INTO t1 VALUES(11, 1, 'one-b');
+  INSERT INTO t1 VALUES(21, 1, 'one-c');
+  INSERT INTO t1 VALUES(31, 1, 'one-d');
+  INSERT INTO t1 VALUES(41, 1, 'one-e');
+  INSERT INTO t1 VALUES(51, 1, 'one-f');
+  INSERT INTO t1 VALUES(61, 1, 'one-g');
+  INSERT INTO t1 VALUES(71, 1, 'one-h');
+  INSERT INTO t1 VALUES(81, 1, 'one-i');
+  INSERT INTO t1 VALUES(91, 1, 'one-j');
+  INSERT INTO t1 SELECT a+1,2,'two' || substr(c,4) FROM t1;
+  INSERT INTO t1 SELECT a+2,3,'three'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
+  INSERT INTO t1 SELECT a+3,4,'four'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
+  INSERT INTO t1 SELECT a+4,5,'five'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';
+  INSERT INTO t1 SELECT a+5,6,'six'||substr(c,4) FROM t1 WHERE c GLOB 'one-*';	
+  CREATE INDEX t1b ON t1(b);
+  ANALYZE;
+  SELECT c FROM t1 WHERE b=3 AND a BETWEEN 30 AND 60;
+} {three-d three-e three-f}
+
+
+#-------------------------------------------------------------------------
+# These tests verify that the sample selection for stat3 appears to be 
+# working as designed.
+#
+
+reset_db
+db func lindex lindex
+db func lrange lrange
+
+do_execsql_test 4.0 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(a, b, c);
+  CREATE INDEX i1 ON t1(c, b, a);
+}
+
+
+proc insert_filler_rows_n {iStart args} {
+  set A(-ncopy) 1
+  set A(-nval) 1
+
+  foreach {k v} $args {
+    if {[info exists A($k)]==0} { error "no such option: $k" }
+    set A($k) $v
+  }
+  if {[llength $args] % 2} {
+    error "option requires an argument: [lindex $args end]"
+  }
+
+  for {set i 0} {$i < $A(-nval)} {incr i} {
+    set iVal [expr $iStart+$i]
+    for {set j 0} {$j < $A(-ncopy)} {incr j} {
+      execsql { INSERT INTO t1 VALUES($iVal, $iVal, $iVal) }
+    }
+  }
+}
+
+do_test 4.1 {
+  execsql { BEGIN }
+  insert_filler_rows_n  0  -ncopy 10 -nval 19
+  insert_filler_rows_n 20  -ncopy  1 -nval 100
+
+  execsql {
+    INSERT INTO t1(c, b, a) VALUES(200, 1, 'a');
+    INSERT INTO t1(c, b, a) VALUES(200, 1, 'b');
+    INSERT INTO t1(c, b, a) VALUES(200, 1, 'c');
+
+    INSERT INTO t1(c, b, a) VALUES(200, 2, 'e');
+    INSERT INTO t1(c, b, a) VALUES(200, 2, 'f');
+
+    INSERT INTO t1(c, b, a) VALUES(201, 3, 'g');
+    INSERT INTO t1(c, b, a) VALUES(201, 4, 'h');
+
+    ANALYZE;
+    SELECT count(*) FROM sqlite_stat3;
+    SELECT count(*) FROM t1;
+  }
+} {24 297}
+
+do_execsql_test 4.2 {
+  SELECT neq, nlt, ndlt, sample FROM sqlite_stat3 ORDER BY rowid LIMIT 16;
+} {
+  10 0 0 0
+  10 10 1 1
+  10 20 2 2
+  10 30 3 3
+  10 40 4 4
+  10 50 5 5
+  10 60 6 6
+  10 70 7 7
+  10 80 8 8
+  10 90 9 9
+  10 100 10 10
+  10 110 11 11
+  10 120 12 12
+  10 130 13 13
+  10 140 14 14
+  10 150 15 15
+}
+
+do_execsql_test 4.3 {
+  SELECT neq, nlt, ndlt, sample FROM sqlite_stat3
+  ORDER BY rowid DESC LIMIT 2;
+} {
+  2 295 120 201
+  5 290 119 200
+}
+
+do_execsql_test 4.4 { SELECT count(DISTINCT c) FROM t1 WHERE c<201 } 120
+do_execsql_test 4.5 { SELECT count(DISTINCT c) FROM t1 WHERE c<200 } 119
+
+reset_db
+do_test 4.7 {
+  execsql { 
+    BEGIN;
+    CREATE TABLE t1(o,t INTEGER PRIMARY KEY);
+    CREATE INDEX i1 ON t1(o);
+  }
+  for {set i 0} {$i<10000} {incr i [expr (($i<1000)?1:10)]} {
+    execsql { INSERT INTO t1 VALUES('x', $i) }
+  }
+  execsql {
+    COMMIT;
+    ANALYZE;
+    SELECT count(*) FROM sqlite_stat3;
+  }
+} {1}
+do_execsql_test 4.8 {
+  SELECT sample FROM sqlite_stat3;
+} {x}
+
+
+#-------------------------------------------------------------------------
+# The following would cause a crash at one point.
+#
+reset_db
+do_execsql_test 5.1 {
+  PRAGMA encoding = 'utf-16';
+  CREATE TABLE t0(v);
+  ANALYZE;
+}
+
+#-------------------------------------------------------------------------
+# This was also crashing (corrupt sqlite_stat3 table).
+#
+reset_db
+do_execsql_test 6.1 {
+  CREATE TABLE t1(a, b);
+  CREATE INDEX i1 ON t1(a);
+  CREATE INDEX i2 ON t1(b);
+  INSERT INTO t1 VALUES(1, 1);
+  INSERT INTO t1 VALUES(2, 2);
+  INSERT INTO t1 VALUES(3, 3);
+  INSERT INTO t1 VALUES(4, 4);
+  INSERT INTO t1 VALUES(5, 5);
+  ANALYZE;
+  PRAGMA writable_schema = 1;
+  CREATE TEMP TABLE x1 AS
+    SELECT tbl,idx,neq,nlt,ndlt,sample FROM sqlite_stat3
+    ORDER BY (rowid%5), rowid;
+  DELETE FROM sqlite_stat3;
+  INSERT INTO sqlite_stat3 SELECT * FROM x1;
+  PRAGMA writable_schema = 0;
+  ANALYZE sqlite_master;
+}
+do_execsql_test 6.2 {
+  SELECT * FROM t1 WHERE a = 'abc';
+}
+
+#-------------------------------------------------------------------------
+# The following tests experiment with adding corrupted records to the
+# 'sample' column of the sqlite_stat3 table.
+#
+reset_db
+sqlite3_db_config_lookaside db 0 0 0
+
+do_execsql_test 7.1 {
+  CREATE TABLE t1(a, b);
+  CREATE INDEX i1 ON t1(a, b);
+  INSERT INTO t1 VALUES(1, 1);
+  INSERT INTO t1 VALUES(2, 2);
+  INSERT INTO t1 VALUES(3, 3);
+  INSERT INTO t1 VALUES(4, 4);
+  INSERT INTO t1 VALUES(5, 5);
+  ANALYZE;
+  UPDATE sqlite_stat3 SET sample = X'' WHERE rowid = 1;
+  ANALYZE sqlite_master;
+}
+
+do_execsql_test 7.2 {
+  UPDATE sqlite_stat3 SET sample = X'FFFF';
+  ANALYZE sqlite_master;
+  SELECT * FROM t1 WHERE a = 1;
+} {1 1}
+
+do_execsql_test 7.3 {
+  ANALYZE;
+  UPDATE sqlite_stat3 SET neq = '0 0 0';
+  ANALYZE sqlite_master;
+  SELECT * FROM t1 WHERE a = 1;
+} {1 1}
+
+do_execsql_test 7.4 {
+  ANALYZE;
+  UPDATE sqlite_stat3 SET ndlt = '0 0 0';
+  ANALYZE sqlite_master;
+  SELECT * FROM t1 WHERE a = 3;
+} {3 3}
+
+do_execsql_test 7.5 {
+  ANALYZE;
+  UPDATE sqlite_stat3 SET nlt = '0 0 0';
+  ANALYZE sqlite_master;
+  SELECT * FROM t1 WHERE a = 5;
+} {5 5}
+
+#-------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 8.1 {
+  CREATE TABLE t1(x TEXT);
+  CREATE INDEX i1 ON t1(x);
+  INSERT INTO t1 VALUES('1');
+  INSERT INTO t1 VALUES('2');
+  INSERT INTO t1 VALUES('3');
+  INSERT INTO t1 VALUES('4');
+  ANALYZE;
+}
+do_execsql_test 8.2 {
+  SELECT * FROM t1 WHERE x = 3;
+} {3}
+
+#-------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 9.1 {
+  CREATE TABLE t1(a, b, c, d, e);
+  CREATE INDEX i1 ON t1(a, b, c, d);
+  CREATE INDEX i2 ON t1(e);
+}
+do_test 9.2 {
+  execsql BEGIN;
+  for {set i 0} {$i < 100} {incr i} {
+    execsql "INSERT INTO t1 VALUES('x', 'y', 'z', $i, [expr $i/2])"
+  }
+  for {set i 0} {$i < 20} {incr i} {
+    execsql "INSERT INTO t1 VALUES('x', 'y', 'z', 101, $i)"
+  }
+  for {set i 102} {$i < 200} {incr i} {
+    execsql "INSERT INTO t1 VALUES('x', 'y', 'z', $i, [expr $i/2])"
+  }
+  execsql COMMIT
+  execsql ANALYZE
+} {}
+
+do_eqp_test 9.3.1 {
+  SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=101 AND e=5;
+} {/t1 USING INDEX i1/}
+do_eqp_test 9.3.2 {
+  SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=99 AND e=5;
+} {/t1 USING INDEX i1/}
+
+set value_d [expr 101]
+do_eqp_test 9.4.1 {
+  SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=$value_d AND e=5
+} {/t1 USING INDEX i1/}
+set value_d [expr 99]
+do_eqp_test 9.4.2 {
+  SELECT * FROM t1 WHERE a='x' AND b='y' AND c='z' AND d=$value_d AND e=5
+} {/t1 USING INDEX i1/}
+
+#-------------------------------------------------------------------------
+# Check that the planner takes stat3 data into account when considering
+# "IS NULL" and "IS NOT NULL" constraints.
+#
+do_execsql_test 10.1.1 {
+  DROP TABLE IF EXISTS t3;
+  CREATE TABLE t3(a, b);
+  CREATE INDEX t3a ON t3(a);
+  CREATE INDEX t3b ON t3(b);
+}
+do_test 10.1.2 {
+  for {set i 1} {$i < 100} {incr i} {
+    if {$i>90} { set a $i } else { set a NULL }
+    set b [expr $i % 5]
+    execsql "INSERT INTO t3 VALUES($a, $b)"
+  }
+  execsql ANALYZE
+} {}
+do_eqp_test 10.1.3 {
+  SELECT * FROM t3 WHERE a IS NULL AND b = 2
+} {/t3 USING INDEX t3b/}
+do_eqp_test 10.1.4 {
+  SELECT * FROM t3 WHERE a IS NOT NULL AND b = 2
+} {/t3 USING INDEX t3a/}
+
+#-------------------------------------------------------------------------
+# Check that stat3 data is used correctly with non-default collation
+# sequences.
+#
+foreach {tn schema} {
+  1 {
+    CREATE TABLE t4(a COLLATE nocase, b);
+    CREATE INDEX t4a ON t4(a);
+    CREATE INDEX t4b ON t4(b);
+  }
+  2 {
+    CREATE TABLE t4(a, b);
+    CREATE INDEX t4a ON t4(a COLLATE nocase);
+    CREATE INDEX t4b ON t4(b);
+  }
+} {
+  drop_all_tables
+  do_test 11.$tn.1 { execsql $schema } {}
+
+  do_test 11.$tn.2 {
+    for {set i 0} {$i < 100} {incr i} {
+      if { ($i % 10)==0 } { set a ABC } else { set a DEF }
+      set b [expr $i % 5]
+        execsql { INSERT INTO t4 VALUES($a, $b) }
+    }
+    execsql ANALYZE
+  } {}
+
+  do_eqp_test 11.$tn.3 {
+    SELECT * FROM t4 WHERE a = 'def' AND b = 3;
+  } {/t4 USING INDEX t4b/}
+
+  if {$tn==1} {
+    set sql "SELECT * FROM t4 WHERE a = 'abc' AND b = 3;"
+    do_eqp_test 11.$tn.4 $sql {/t4 USING INDEX t4a/}
+  } else {
+
+    set sql "SELECT * FROM t4 WHERE a = 'abc' COLLATE nocase AND b = 3;"
+    do_eqp_test 11.$tn.5 $sql {/t4 USING INDEX t4a/}
+
+    set sql "SELECT * FROM t4 WHERE a COLLATE nocase = 'abc' AND b = 3;"
+    do_eqp_test 11.$tn.6 $sql {/t4 USING INDEX t4a/}
+  }
+}
+
+#-------------------------------------------------------------------------
+# Test that nothing untoward happens if the stat3 table contains entries
+# for indexes that do not exist. Or NULL values in the idx column.
+# Or NULL values in any of the other columns.
+#
+drop_all_tables
+do_execsql_test 15.1 {
+  CREATE TABLE x1(a, b, UNIQUE(a, b));
+  INSERT INTO x1 VALUES(1, 2);
+  INSERT INTO x1 VALUES(3, 4);
+  INSERT INTO x1 VALUES(5, 6);
+  ANALYZE;
+  INSERT INTO sqlite_stat3 VALUES(NULL, NULL, NULL, NULL, NULL, NULL);
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.2 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+do_execsql_test 15.3 {
+  INSERT INTO sqlite_stat3 VALUES(42, 42, 42, 42, 42, 42);
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.4 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+do_execsql_test 15.5 {
+  UPDATE sqlite_stat1 SET stat = NULL;
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.6 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+do_execsql_test 15.7 {
+  ANALYZE;
+  UPDATE sqlite_stat1 SET tbl = 'no such tbl';
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.8 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+do_execsql_test 15.9 {
+  ANALYZE;
+  UPDATE sqlite_stat3 SET neq = NULL, nlt=NULL, ndlt=NULL;
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.10 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+# This is just for coverage....
+do_execsql_test 15.11 {
+  ANALYZE;
+  UPDATE sqlite_stat1 SET stat = stat || ' unordered';
+}
+db close
+sqlite3 db test.db
+do_execsql_test 15.12 { SELECT * FROM x1 } {1 2 3 4 5 6}
+
+#-------------------------------------------------------------------------
+# Test that allocations used for sqlite_stat3 samples are included in
+# the quantity returned by SQLITE_DBSTATUS_SCHEMA_USED.
+#
+set one [string repeat x 1000]
+set two [string repeat x 2000]
+do_test 16.1 {
+  reset_db
+  execsql {
+    CREATE TABLE t1(a, UNIQUE(a));
+    INSERT INTO t1 VALUES($one);
+    ANALYZE;
+  }
+  set nByte [lindex [sqlite3_db_status db SCHEMA_USED 0] 1]
+
+  reset_db
+  execsql {
+    CREATE TABLE t1(a, UNIQUE(a));
+    INSERT INTO t1 VALUES($two);
+    ANALYZE;
+  }
+  set nByte2 [lindex [sqlite3_db_status db SCHEMA_USED 0] 1]
+
+  expr {$nByte2 > $nByte+950 && $nByte2 < $nByte+1050}
+} {1}
+
+#-------------------------------------------------------------------------
+# Test that stat3 data may be used with partial indexes.
+#
+do_test 17.1 {
+  reset_db
+  execsql {
+    CREATE TABLE t1(a, b, c, d);
+    CREATE INDEX i1 ON t1(a, b) WHERE d IS NOT NULL;
+    INSERT INTO t1 VALUES(-1, -1, -1, NULL);
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+    INSERT INTO t1 SELECT 2*a,2*b,2*c,d FROM t1;
+  }
+
+  for {set i 0} {$i < 32} {incr i} {
+    execsql { INSERT INTO t1 VALUES($i%2, $b, $i/2, 'abc') }
+  }
+  execsql {ANALYZE main.t1}
+} {}
+
+do_catchsql_test 17.1.2 {
+  ANALYZE temp.t1;
+} {1 {no such table: temp.t1}}
+
+do_eqp_test 17.2 {
+  SELECT * FROM t1 WHERE d IS NOT NULL AND a=0;
+} {/USING INDEX i1/}
+do_eqp_test 17.3 {
+  SELECT * FROM t1 WHERE d IS NOT NULL AND a=0;
+} {/USING INDEX i1/}
+
+do_execsql_test 17.4 {
+  CREATE INDEX i2 ON t1(c) WHERE d IS NOT NULL;
+  ANALYZE main.i2;
+}
+do_eqp_test 17.5 {
+  SELECT * FROM t1 WHERE d IS NOT NULL AND a=0;
+} {/USING INDEX i1/}
+do_eqp_test 17.6 {
+  SELECT * FROM t1 WHERE d IS NOT NULL AND a=0 AND b=0 AND c=10;
+} {/USING INDEX i2/}
+
+#-------------------------------------------------------------------------
+#
+do_test 18.1 {
+  reset_db
+  execsql {
+    CREATE TABLE t1(a, b);
+    CREATE INDEX i1 ON t1(a, b);
+  }
+  for {set i 0} {$i < 9} {incr i} {
+    execsql {
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+      INSERT INTO t1 VALUES($i, 0);
+    }
+  }
+  execsql ANALYZE
+  execsql { SELECT count(*) FROM sqlite_stat3 }
+} {9}
+
+#-------------------------------------------------------------------------
+# For coverage.
+#
+ifcapable view {
+  do_test 19.1 {
+    reset_db 
+    execsql {
+      CREATE TABLE t1(x, y);
+      CREATE INDEX i1 ON t1(x, y);
+      CREATE VIEW v1 AS SELECT * FROM t1;
+      ANALYZE;
+    }
+  } {}
+}
+ifcapable auth {
+  proc authproc {op args} {
+    if {$op == "SQLITE_ANALYZE"} { return "SQLITE_DENY" }
+    return "SQLITE_OK"
+  }
+  do_test 19.2 {
+    reset_db 
+    db auth authproc
+    execsql {
+      CREATE TABLE t1(x, y);
+      CREATE VIEW v1 AS SELECT * FROM t1;
+    }
+    catchsql ANALYZE
+  } {1 {not authorized}}
+}
+
+#-------------------------------------------------------------------------
+#
+reset_db
+proc r {args} { expr rand() }
+db func r r
+db func lrange lrange
+do_test 20.1 {
+  execsql {
+    CREATE TABLE t1(a,b,c,d);
+    CREATE INDEX i1 ON t1(a,b,c,d);
+  }
+  for {set i 0} {$i < 16} {incr i} {
+    execsql {
+      INSERT INTO t1 VALUES($i, r(), r(), r());
+      INSERT INTO t1 VALUES($i, $i,  r(), r());
+      INSERT INTO t1 VALUES($i, $i,  $i,  r());
+      INSERT INTO t1 VALUES($i, $i,  $i,  $i);
+      INSERT INTO t1 VALUES($i, $i,  $i,  $i);
+      INSERT INTO t1 VALUES($i, $i,  $i,  r());
+      INSERT INTO t1 VALUES($i, $i,  r(), r());
+      INSERT INTO t1 VALUES($i, r(), r(), r());
+    }
+  }
+} {}
+do_execsql_test 20.2 { ANALYZE }
+for {set i 0} {$i<16} {incr i} {
+    set val $i
+    do_execsql_test 20.3.$i {
+      SELECT count(*) FROM sqlite_stat3 WHERE sample=$val
+    } {1}
+}
+
+finish_test
+