github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/fts4merge4.test (about)

     1  # 2013 May 29
     2  #
     3  # The author disclaims copyright to this source code.  In place of
     4  # a legal notice, here is a blessing:
     5  #
     6  #    May you do good and not evil.
     7  #    May you find forgiveness for yourself and forgive others.
     8  #    May you share freely, never taking more than you give.
     9  #
    10  #*************************************************************************
    11  # This file implements regression tests for SQLite library.
    12  #
    13  
    14  set testdir [file dirname $argv0]
    15  source $testdir/tester.tcl
    16  source $testdir/fts3_common.tcl
    17  set ::testprefix fts4merge4
    18  
    19  ifcapable !fts3 {
    20    finish_test
    21    return
    22  }
    23  
    24  set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
    25  
    26  do_execsql_test 1.1 { CREATE VIRTUAL TABLE t1 USING fts4 }
    27  
    28  do_test 1.2 {
    29    for {set i 0} {$i < 2000} {incr i} {
    30      execsql {INSERT INTO t1 VALUES('a b c d e f g h i j k l');}
    31    }
    32  } {}
    33  
    34  do_test 1.3 {
    35    execsql BEGIN
    36    for {set i 0} {$i < 2000} {incr i} {
    37      execsql {INSERT INTO t1 VALUES('a b c d e f g h i j k l');}
    38    }
    39    execsql {
    40      INSERT INTO t1(t1) VALUES('merge=8,50');
    41      COMMIT
    42    }
    43  } {}
    44  
    45  reset_db
    46  do_execsql_test 2.0 { CREATE VIRTUAL TABLE t1 USING fts4 }
    47  do_test 2.1 {
    48    for {set i 0} {$i < 2000} {incr i} {
    49      execsql {INSERT INTO t1 VALUES('a b c d e f g h i j k l');}
    50    }
    51  } {}
    52  do_execsql_test 2.2 { SELECT count(*) FROM t1_segdir; } 35
    53  do_execsql_test 2.3 { INSERT INTO t1(t1) VALUES('optimize') } {}
    54  do_execsql_test 2.4 { SELECT count(*) FROM t1_segdir; } 1
    55  
    56  #-------------------------------------------------------------------------
    57  # Now test that the automerge=? option appears to work.
    58  #
    59  do_execsql_test 2.1 { CREATE VIRTUAL TABLE t2 USING fts4; }
    60  
    61  set doc ""
    62  foreach c1 "a b c d e f g h i j" {
    63    foreach c2 "a b c d e f g h i j" {
    64      foreach c3 "a b c d e f g h i j" {
    65        lappend doc "$c1$c2$c3"
    66      }
    67    }
    68  }
    69  set doc [string repeat $doc 10]
    70  
    71  foreach {tn am expected} {
    72    1 {automerge=2} {1 1   2 1   4 1   6 1}
    73    2 {automerge=4} {1 2   2 1   3 1}
    74    3 {automerge=8} {0 4   1 3   2 1}
    75    4 {automerge=1} {0 4   1 3   2 1}
    76  } {
    77    foreach {tn2 openclose} {1 {} 2 { db close ; sqlite3 db test.db }} {
    78      do_test 2.2.$tn.$tn2 {
    79        execsql { DELETE FROM t2 }
    80        execsql { INSERT INTO t2(t2) VALUES($am) };
    81  
    82        eval $openclose
    83    
    84        for {set i 0} {$i < 100} {incr i} {
    85          execsql { 
    86            BEGIN;
    87              INSERT INTO t2 VALUES($doc);
    88              INSERT INTO t2 VALUES($doc);
    89              INSERT INTO t2 VALUES($doc);
    90              INSERT INTO t2 VALUES($doc);
    91              INSERT INTO t2 VALUES($doc);
    92            COMMIT;
    93          }
    94        }
    95    
    96        execsql { SELECT level, count(*) FROM t2_segdir GROUP BY level }
    97      } [list {*}$expected]
    98    }
    99  }
   100  
   101  sqlite3_enable_shared_cache $::enable_shared_cache
   102  finish_test