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Overview
Comment:More test cases for the balancer.
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Timelines: family | ancestors | descendants | both | trunk
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SHA1: 358ea818f7ea5aa55bafaf4057e9fc7a5fd77c11
User & Date: drh 2014-11-27 04:23:19
Context
2014-11-27
11:36
Fix a buffer overread during compilation of CREATE VIRTUAL TABLE statements that featured an explicit database name but no virtual table arguments. For example, "CREATE VIRTUAL TABLE main.ft USING fts4". check-in: f095cde5 user: dan tags: trunk
04:23
More test cases for the balancer. check-in: 358ea818 user: drh tags: trunk
03:46
Fix a problem in the new b-tree balancer that was causing corruption of the fragmentation count. check-in: f242394e user: drh tags: trunk
Changes
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Changes to test/btree01.test.

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  WITH RECURSIVE
     c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
  INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
  UPDATE t1 SET b=zeroblob(3000);
  UPDATE t1 SET b=zeroblob(64000) WHERE a=2;
  PRAGMA integrity_check;
} {ok}



































































































finish_test








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  WITH RECURSIVE
     c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
  INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
  UPDATE t1 SET b=zeroblob(3000);
  UPDATE t1 SET b=zeroblob(64000) WHERE a=2;
  PRAGMA integrity_check;
} {ok}

# The previous test is sufficient to prevent a regression.  But we
# add a number of additional tests to stress the balancer in similar
# ways, looking for related problems.
#
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.2.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
      UPDATE t1 SET b=zeroblob(3000);
      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.3.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
      UPDATE t1 SET b=zeroblob(2000);
      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.4.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==0;
      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==1;
      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==2;
      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.5.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6542) FROM c;
      UPDATE t1 SET b=zeroblob(2331);
      UPDATE t1 SET b=zeroblob(65496) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.6.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6542) FROM c;
      UPDATE t1 SET b=zeroblob(2332);
      UPDATE t1 SET b=zeroblob(65496) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=30} {incr i} {
  do_test btree01-1.7.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
      UPDATE t1 SET b=zeroblob(1);
      UPDATE t1 SET b=zeroblob(65000) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}
for {set i 1} {$i<=31} {incr i} {
  do_test btree01-1.8.$i {
    db eval {
      DELETE FROM t1;
      WITH RECURSIVE
        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<31)
      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
      UPDATE t1 SET b=zeroblob(4000);
      UPDATE t1 SET b=zeroblob(65000) WHERE a=$::i;
      PRAGMA integrity_check;
    }
  } {ok}
}

finish_test