133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# 2014-11-27
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#
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# The author disclaims copyright to this source code.  In place of
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# a legal notice, here is a blessing:
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#
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#    May you do good and not evil.
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#    May you find forgiveness for yourself and forgive others.
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#    May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file contains test cases for b-tree logic.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix btree01
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# The refactoring on the b-tree balance() routine in check-in
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# http://www.sqlite.org/src/info/face33bea1ba3a (2014-10-27)
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# caused the integrity_check on the following SQL to fail.
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#
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do_execsql_test btree01-1.1 {
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  PRAGMA page_size=65536;
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  CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB);
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  WITH RECURSIVE
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     c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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  INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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  UPDATE t1 SET b=zeroblob(3000);
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  UPDATE t1 SET b=zeroblob(64000) WHERE a=2;
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  PRAGMA integrity_check;
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} {ok}
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# The previous test is sufficient to prevent a regression.  But we
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# add a number of additional tests to stress the balancer in similar
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# ways, looking for related problems.
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#
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.2.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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      UPDATE t1 SET b=zeroblob(3000);
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      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.3.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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      UPDATE t1 SET b=zeroblob(2000);
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      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.4.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==0;
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      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==1;
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      UPDATE t1 SET b=zeroblob(6499) WHERE (a%3)==2;
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      UPDATE t1 SET b=zeroblob(64000) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.5.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6542) FROM c;
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      UPDATE t1 SET b=zeroblob(2331);
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      UPDATE t1 SET b=zeroblob(65496) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.6.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6542) FROM c;
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      UPDATE t1 SET b=zeroblob(2332);
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      UPDATE t1 SET b=zeroblob(65496) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=30} {incr i} {
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  do_test btree01-1.7.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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      UPDATE t1 SET b=zeroblob(1);
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      UPDATE t1 SET b=zeroblob(65000) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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for {set i 1} {$i<=31} {incr i} {
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  do_test btree01-1.8.$i {
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    db eval {
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      DELETE FROM t1;
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      WITH RECURSIVE
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        c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<31)
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      INSERT INTO t1(a,b) SELECT i, zeroblob(6500) FROM c;
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      UPDATE t1 SET b=zeroblob(4000);
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      UPDATE t1 SET b=zeroblob(65000) WHERE a=$::i;
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      PRAGMA integrity_check;
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    }
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  } {ok}
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}
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finish_test
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