xref: /sqlite-3.40.0/test/bloom1.test (revision 73ac958c)

# 2022 October 06
#
# 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.
#
#***********************************************************************
#
# Tests for queries that use bloom filters

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

set testprefix bloom1

# Tests 1.*  verify that the bloom filter code correctly handles the
# case where the RHS of an (<ipk-column> = ?) expression must be coerced
# to an integer before the comparison made.
#
do_execsql_test 1.0 {
  CREATE TABLE t1(a, b);
  CREATE TABLE t2(c INTEGER PRIMARY KEY, d);
}

do_execsql_test 1.1 {
  INSERT INTO t1 VALUES('hello', 'world');
  INSERT INTO t2 VALUES(14, 'fourteen');
}

do_execsql_test 1.2 {
  ANALYZE sqlite_schema;
  INSERT INTO sqlite_stat1 VALUES('t2','idx1','6 6');
  ANALYZE sqlite_schema;
}

do_execsql_test 1.3 {
  SELECT 'affinity!' FROM t1 CROSS JOIN t2 WHERE t2.c = '14';
} {affinity!}


reset_db
do_execsql_test 1.4 {
  CREATE TABLE t1(a, b TEXT);
  CREATE TABLE t2(c INTEGER PRIMARY KEY, d);
  CREATE TABLE t3(e INTEGER PRIMARY KEY, f);

  ANALYZE sqlite_schema;
  INSERT INTO sqlite_stat1 VALUES('t1','idx1','600 6');
  INSERT INTO sqlite_stat1 VALUES('t2','idx1','6 6');
  INSERT INTO sqlite_stat1 VALUES('t3','idx2','6 6');
  ANALYZE sqlite_schema;

  INSERT INTO t1 VALUES(1, '123');
  INSERT INTO t2 VALUES(123, 'one');
  INSERT INTO t3 VALUES(123, 'two');
}

do_execsql_test 1.5 {
  SELECT 'result' FROM t1, t2, t3
  WHERE t2.c=t1.b AND t2.d!='silly'
    AND t3.e=t1.b AND t3.f!='silly'
} {result}

finish_test