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sqlite3

# 2010 October 23
#
# 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.
#
#***********************************************************************
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
ifcapable !fts3 { finish_test ; return }

set testprefix fts3defer2

proc mit {blob} {
  set scan(littleEndian) i*
  set scan(bigEndian) I*
  binary scan $blob $scan($::tcl_platform(byteOrder)) r
  return $r
}
db func mit mit

#-----------------------------------------------------------------------------
# This block of tests - fts3defer2-1.* - test the interaction of deferred NEAR
# expressions and the snippet, offsets and matchinfo functions.
# 
do_execsql_test 1.1.1 {
  CREATE VIRTUAL TABLE t1 USING fts4;
}
do_execsql_test 1.1.2 "INSERT INTO t1 VALUES('[string repeat {a } 20000]')"
do_execsql_test 1.1.3 "INSERT INTO t1 VALUES('[string repeat {z } 20000]')"
do_execsql_test 1.1.4 {
  INSERT INTO t1 VALUES('a b c d e f a x y');
  INSERT INTO t1 VALUES('');
  INSERT INTO t1 VALUES('');
  INSERT INTO t1 VALUES('');
  INSERT INTO t1 VALUES('');
  INSERT INTO t1 VALUES('');
  INSERT INTO t1(t1) VALUES('optimize');
}
do_execsql_test 1.1.4 {
  SELECT count(*) FROM t1_segments WHERE length(block)>10000;
  UPDATE t1_segments SET block = zeroblob(length(block)) WHERE length(block)>10000;
} {2}

do_execsql_test 1.2.0 {
  SELECT content FROM t1 WHERE t1 MATCH 'f (e a)';
} {{a b c d e f a x y}}

do_execsql_test 1.2.1 {
  SELECT content FROM t1 WHERE t1 MATCH 'f (e NEAR/2 a)';
} {{a b c d e f a x y}}

do_execsql_test 1.2.2 {
  SELECT snippet(t1, '[', ']'), offsets(t1), mit(matchinfo(t1, 'pcxnal'))
  FROM t1 WHERE t1 MATCH 'f (e NEAR/2 a)';
} [list                              \
   {a b c d [e] [f] [a] x y}         \
   {0 1 8 1 0 0 10 1 0 2 12 1}       \
   [list 3 1   1 1 1   1 1 1   1 1 1   8 5001 9]
]

do_execsql_test 1.2.3 {
  SELECT snippet(t1, '[', ']'), offsets(t1), mit(matchinfo(t1, 'pcxnal'))
  FROM t1 WHERE t1 MATCH 'f (e NEAR/3 a)';
} [list                                 \
   {[a] b c d [e] [f] [a] x y}          \
   {0 2 0 1 0 1 8 1 0 0 10 1 0 2 12 1}  \
   [list 3 1   1 1 1   1 1 1   2 2 1   8 5001 9]
]

do_execsql_test 1.3.1 { DROP TABLE t1 }

#-----------------------------------------------------------------------------
# Test cases fts3defer2-2.* focus specifically on the matchinfo function.
# 
do_execsql_test 2.1.1 "CREATE VIRTUAL TABLE t2 USING fts4"
do_execsql_test 2.1.2 "INSERT INTO t2 VALUES('[string repeat {a } 10000]')"
do_execsql_test 2.1.3 "INSERT INTO t2 VALUES('b [string repeat {z } 10000]')"
do_execsql_test 2.1.4 [string repeat "INSERT INTO t2 VALUES('x');" 50]
do_execsql_test 2.1.5 {
  INSERT INTO t2 VALUES('a b c d e f g z');
  INSERT INTO t2 VALUES('a b c d e f g');
}
foreach {tn sql} {
  1 {}
  2 { INSERT INTO t2(t2) VALUES('optimize') }
  3 { UPDATE t2_segments SET block = zeroblob(length(block)) 
      WHERE length(block)>10000;
  }
} {
  execsql $sql

  do_execsql_test 2.2.$tn.1 {
    SELECT mit(matchinfo(t2, 'pcxnal')) FROM t2 WHERE t2 MATCH 'a b';
  } [list                                          \
    [list 2 1  1 54 54  1 3 3  54 372 8]        \
    [list 2 1  1 54 54  1 3 3  54 372 7]        \
  ]

  do_execsql_test 2.2.$tn.2 {
    SELECT mit(matchinfo(t2, 'x')) FROM t2 WHERE t2 MATCH 'g z';
  } [list                                       \
    [list 1 2 2  1 54 54]                       \
  ]

  set sqlite_fts3_enable_parentheses 1
  do_execsql_test 2.2.$tn.3 {
    SELECT mit(matchinfo(t2, 'x')) FROM t2 WHERE t2 MATCH 'g OR (g z)';
  } [list                                       \
    [list 1 2 2  1 2 2   1 54 54]               \
    [list 1 2 2  1 2 2   0 54 54]               \
  ]
  set sqlite_fts3_enable_parentheses 0
}

do_execsql_test 2.3.1 {
  CREATE VIRTUAL TABLE t3 USING fts4;
  INSERT INTO t3 VALUES('a b c d e f');
  INSERT INTO t3 VALUES('x b c d e f');
  INSERT INTO t3 VALUES('d e f a b c');
  INSERT INTO t3 VALUES('b c d e f');
  INSERT INTO t3 VALUES('');
  INSERT INTO t3 VALUES('');
  INSERT INTO t3 VALUES('');
  INSERT INTO t3 VALUES('');
  INSERT INTO t3 VALUES('');
  INSERT INTO t3 VALUES('');
}
do_execsql_test 2.3.2 "
  INSERT INTO t3 VALUES('f e d c b [string repeat {a } 10000]')
"
foreach {tn sql} {
  1 {}
  2 { INSERT INTO t3(t3) VALUES('optimize') }
  3 { UPDATE t3_segments SET block = zeroblob(length(block)) 
      WHERE length(block)>10000;
  }
} {
  execsql $sql
  do_execsql_test 2.4.$tn {
    SELECT docid, mit(matchinfo(t3, 'pcxnal')) FROM t3 WHERE t3 MATCH '"a b c"';
  } {1 {1 1 1 4 4 11 912 6} 3 {1 1 1 4 4 11 912 6}}
}


finish_test