test/insert2.test

# 2001 September 15
#
# 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 INSERT statement that takes is
# result from a SELECT.
#
# $Id: insert2.test,v 1.6 2002/02/03 19:06:03 drh Exp $

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

# Create some tables with data that we can select against
#
do_test insert2-1.0 {
  execsql {CREATE TABLE d1(n int, log int);}
  for {set i 1} {$i<=20} {incr i} {
    for {set j 0} {pow(2,$j)<$i} {incr j} {}
    execsql "INSERT INTO d1 VALUES($i,$j)"
  }
  execsql {SELECT * FROM d1 ORDER BY n}
} {1 0 2 1 3 2 4 2 5 3 6 3 7 3 8 3 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 18 5 19 5 20 5}

# Insert into a new table from the old one.
#
do_test insert2-1.1.1 {
  execsql {
    CREATE TABLE t1(log int, cnt int);
    PRAGMA count_changes=on;
    INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
  }
} {6}
do_test insert2-1.1.2 {
  execsql {SELECT * FROM t1 ORDER BY log}
} {0 1 1 1 2 2 3 4 4 8 5 4}

do_test insert2-1.2.1 {
  catch {execsql {DROP TABLE t1}}
  execsql {
    CREATE TABLE t1(log int, cnt int);
    INSERT INTO t1 
       SELECT log, count(*) FROM d1 GROUP BY log
       EXCEPT SELECT n-1,log FROM d1;
  }
} {4}
do_test insert2-1.2.2 {
  execsql {
    SELECT * FROM t1 ORDER BY log;
  }
} {0 1 3 4 4 8 5 4}
do_test insert2-1.3.1 {
  catch {execsql {DROP TABLE t1}}
  execsql {
    CREATE TABLE t1(log int, cnt int);
    PRAGMA count_changes=off;
    INSERT INTO t1 
       SELECT log, count(*) FROM d1 GROUP BY log
       INTERSECT SELECT n-1,log FROM d1;
  }
} {}
do_test insert2-1.3.2 {
  execsql {
    SELECT * FROM t1 ORDER BY log;
  }
} {1 1 2 2}
do_test insert2-1.4 {
  catch {execsql {DROP TABLE t1}}
  set r [execsql {
    CREATE TABLE t1(log int, cnt int);
    CREATE INDEX i1 ON t1(log);
    CREATE INDEX i2 ON t1(cnt);
    INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
    SELECT * FROM t1 ORDER BY log;
  }]
  lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
  lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}

do_test insert2-2.0 {
  execsql {
    CREATE TABLE t3(a,b,c);
    CREATE TABLE t4(x,y);
    INSERT INTO t4 VALUES(1,2);
    SELECT * FROM t4;
  }
} {1 2}
do_test insert2-2.1 {
  execsql {
    INSERT INTO t3(a,c) SELECT * FROM t4;
    SELECT * FROM t3;
  }
} {1 {} 2}
do_test insert2-2.2 {
  execsql {
    DELETE FROM t3;
    INSERT INTO t3(c,b) SELECT * FROM t4;
    SELECT * FROM t3;
  }
} {{} 2 1}
do_test insert2-2.3 {
  execsql {
    DELETE FROM t3;
    INSERT INTO t3(c,a,b) SELECT x, 'hi', y FROM t4;
    SELECT * FROM t3;
  }
} {hi 2 1}

do_test insert2-4.0 {
  set x [execsql {PRAGMA sanity_check}]
  if {$x==""} {set x ok}
  set x
} {ok}

finish_test