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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact 36bc951bdc2beac4224cc54396fd6a7dc65336f4:


# 2010 July 09
#
# 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 implements regression tests for SQLite library.  The
# focus of this file is testing the SELECT statement.
#

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

ifcapable !vtab {
  finish_test
  return
}


set ::asc 1
proc a_string {n} { string range [string repeat [incr ::asc]. $n] 1 $n }
db func a_string a_string

register_dbstat_vtab db
do_execsql_test stat-0.0 {
  PRAGMA auto_vacuum = OFF;
  CREATE VIRTUAL TABLE temp.stat USING dbstat;
  SELECT * FROM stat;
} {}

ifcapable wal {
  do_execsql_test stat-0.1 {
    PRAGMA journal_mode = WAL;
    PRAGMA journal_mode = delete;
    SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
      FROM stat;
  } {wal delete sqlite_master / 1 leaf 0 0 916 0}
}

do_test stat-1.0 {
  execsql {
    CREATE TABLE t1(a, b);
    CREATE INDEX i1 ON t1(b);
    INSERT INTO t1(rowid, a, b) VALUES(2, 2, 3);
    INSERT INTO t1(rowid, a, b) VALUES(3, 4, 5);
  }
} {}
do_test stat-1.1 {
  execsql {
    SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
      FROM stat WHERE name = 't1';
  }
} {t1 / 2 leaf 2 10 998 5}
do_test stat-1.2 {
  execsql {
    SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
      FROM stat WHERE name = 'i1';
  }
} {i1 / 3 leaf 2 10 1000 5}
do_test stat-1.3 {
  execsql {
    SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
      FROM stat WHERE name = 'sqlite_master';
  }
} {sqlite_master / 1 leaf 2 77 831 40}
do_test stat-1.4 {
  execsql {
    DROP TABLE t1;
  }
} {}

do_execsql_test stat-2.1 {
  CREATE TABLE t3(a PRIMARY KEY, b);
  INSERT INTO t3(rowid, a, b) VALUES(2, a_string(111), a_string(222));
  INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3;
  INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3;
  INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3;
  INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3;
  INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3;
  SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
    FROM stat WHERE name != 'sqlite_master';
} [list \
  sqlite_autoindex_t3_1 / 3 internal 3 368 623 125       \
  sqlite_autoindex_t3_1 /000/ 8 leaf 8 946 46 123        \
  sqlite_autoindex_t3_1 /001/ 9 leaf 8 988 2 131         \
  sqlite_autoindex_t3_1 /002/ 15 leaf 7 857 137 132      \
  sqlite_autoindex_t3_1 /003/ 20 leaf 6 739 257 129      \
  t3 / 2 internal 15 0 907 0                             \
  t3 /000/ 4 leaf 2 678 328 340                          \
  t3 /001/ 5 leaf 2 682 324 342                          \
  t3 /002/ 6 leaf 2 682 324 342                          \
  t3 /003/ 7 leaf 2 690 316 346                          \
  t3 /004/ 10 leaf 2 682 324 342                         \
  t3 /005/ 11 leaf 2 690 316 346                         \
  t3 /006/ 12 leaf 2 698 308 350                         \
  t3 /007/ 13 leaf 2 706 300 354                         \
  t3 /008/ 14 leaf 2 682 324 342                         \
  t3 /009/ 16 leaf 2 690 316 346                         \
  t3 /00a/ 17 leaf 2 698 308 350                         \
  t3 /00b/ 18 leaf 2 706 300 354                         \
  t3 /00c/ 19 leaf 2 714 292 358                         \
  t3 /00d/ 21 leaf 2 722 284 362                         \
  t3 /00e/ 22 leaf 2 730 276 366                         \
  t3 /00f/ 23 leaf 2 738 268 370                         \
]
do_execsql_test stat-2.2 { DROP TABLE t3 } {}

do_execsql_test stat-3.1 {
  CREATE TABLE t4(x);
  CREATE INDEX i4 ON t4(x);
  INSERT INTO t4(rowid, x) VALUES(2, a_string(7777));
  SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
    FROM stat WHERE name != 'sqlite_master';
} [list \
  i4 / 3 leaf 1 103 905 7782                 \
  i4 /000+000000 9 overflow 0 1020 0 0       \
  i4 /000+000001 10 overflow 0 1020 0 0      \
  i4 /000+000002 11 overflow 0 1020 0 0      \
  i4 /000+000003 12 overflow 0 1020 0 0      \
  i4 /000+000004 13 overflow 0 1020 0 0      \
  i4 /000+000005 14 overflow 0 1020 0 0      \
  i4 /000+000006 15 overflow 0 1020 0 0      \
  i4 /000+000007 16 overflow 0 539 481 0     \
  t4 / 2 leaf 1 640 367 7780                 \
  t4 /000+000000 22 overflow 0 1020 0 0      \
  t4 /000+000001 23 overflow 0 1020 0 0      \
  t4 /000+000002 21 overflow 0 1020 0 0      \
  t4 /000+000003 20 overflow 0 1020 0 0      \
  t4 /000+000004 19 overflow 0 1020 0 0      \
  t4 /000+000005 18 overflow 0 1020 0 0      \
  t4 /000+000006 17 overflow 0 1020 0 0      \
]

do_execsql_test stat-4.1 {
  CREATE TABLE t5(x);
  CREATE INDEX i5 ON t5(x);
  SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
    FROM stat WHERE name = 't5' OR name = 'i5';
} [list  \
  i5 / 5 leaf 0 0 1016 0 \
  t5 / 4 leaf 0 0 1016 0 \
]

db close
forcedelete test.db
sqlite3 db test.db
register_dbstat_vtab db
breakpoint
do_execsql_test stat-5.1 {
  PRAGMA auto_vacuum = OFF;
  CREATE VIRTUAL TABLE temp.stat USING dbstat;
  CREATE TABLE t1(x);
  INSERT INTO t1 VALUES(zeroblob(1513));
  INSERT INTO t1 VALUES(zeroblob(1514));
  SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
    FROM stat WHERE name = 't1';
} [list \
  t1 / 2 leaf 2 993 5 1517                \
  t1 /000+000000 3 overflow 0 1020 0 0    \
  t1 /001+000000 4 overflow 0 1020 0 0    \
]

finish_test