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Stat function now can show statistics per weight of lexemes

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This commit is contained in:
Teodor Sigaev
2004-05-28 15:36:49 +00:00
parent 1b9ef0025d
commit a6ea6457fa
6 changed files with 160 additions and 37 deletions
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55
contrib/tsearch2/expected/tsearch2.out
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@ -782,6 +782,7 @@ select rank(' a:1 s:2 d g'::tsvector, 'a & s');
(1 row)
insert into test_tsvector (t) values ('foo bar foo the over foo qq bar');
drop trigger tsvectorupdate on test_tsvector;
select * from stat('select a from test_tsvector') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
-----------+------+--------
@ -1933,6 +1934,55 @@ select * from stat('select a from test_tsvector') order by ndoc desc, nentry des
qwerti | 1 | 1
(1146 rows)
insert into test_tsvector values ('1', 'a:1a,2,3b b:5a,6a,7c,8');
insert into test_tsvector values ('1', 'a:1a,2,3c b:5a,6b,7c,8b');
select * from stat('select a from test_tsvector','a') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
------+------+--------
b | 2 | 3
a | 2 | 2
(2 rows)
select * from stat('select a from test_tsvector','b') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
------+------+--------
b | 1 | 2
a | 1 | 1
(2 rows)
select * from stat('select a from test_tsvector','c') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
------+------+--------
b | 2 | 2
a | 1 | 1
(2 rows)
select * from stat('select a from test_tsvector','d') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
-----------+------+--------
a | 2 | 2
copyright | 2 | 2
foo | 1 | 3
bar | 1 | 2
345 | 1 | 1
b | 1 | 1
qq | 1 | 1
qwerti | 1 | 1
(8 rows)
select * from stat('select a from test_tsvector','ad') order by ndoc desc, nentry desc, word;
word | ndoc | nentry
-----------+------+--------
a | 2 | 4
b | 2 | 4
copyright | 2 | 2
foo | 1 | 3
bar | 1 | 2
345 | 1 | 1
qq | 1 | 1
qwerti | 1 | 1
(8 rows)
select reset_tsearch();
NOTICE: TSearch cache cleaned
reset_tsearch
@ -2092,7 +2142,6 @@ select * from ts_debug('Tsearch module for PostgreSQL 7.3.3');
(5 rows)
--check ordering
drop trigger tsvectorupdate on test_tsvector;
insert into test_tsvector values (null, null);
select a is null, a from test_tsvector order by a;
?column? | a
@ -2108,6 +2157,8 @@ select a is null, a from test_tsvector order by a;
f |
f | '345':1 'qwerti':2 'copyright':3
f | 'qq':7 'bar':2,8 'foo':1,3,6 'copyright':9
f | 'a':1A,2,3C 'b':5A,6B,7C,8B
f | 'a':1A,2,3B 'b':5A,6A,7C,8
f | '7w' 'ch' 'd7' 'eo' 'gw' 'i4' 'lq' 'o6' 'qt' 'y0'
f | 'ar' 'ei' 'kq' 'ma' 'qa' 'qh' 'qq' 'qz' 'rx' 'st'
f | 'gs' 'i6' 'i9' 'j2' 'l0' 'oq' 'qx' 'sc' 'xe' 'yu'
@ -2609,5 +2660,5 @@ select a is null, a from test_tsvector order by a;
f | '1b' '42' 'a7' 'ab' 'ak' 'ap' 'at' 'av' 'ay' 'b0' 'b9' 'bb' 'bp' 'bu' 'bz' 'cq' 'da' 'de' 'dn' 'e0' 'eb' 'ef' 'eg' 'ek' 'eq' 'er' 'eu' 'ey' 'fn' 'ft' 'gg' 'h4' 'hk' 'hl' 'i7' 'ig' 'ik' 'ip' 'ir' 'iu' 'iw' 'jr' 'jw' 'jx' 'kg' 'lc' 'lg' 'm0' 'na' 'np' 'om' 'on' 'oz' 'pg' 'pn' 'ps' 'pt' 'pz' 'q3' 'q6' 'qa' 'qb' 'ql' 'qq' 'qt' 'qv' 'qw' 'qy' 'r8' 'rf' 'ri' 'rk' 'rl' 'rw' 'sg' 'si' 'sp' 'sw' 'ta' 'th' 'ua' 'uj' 'uu' 'uv' 'uz' 'vj' 'vk' 'vm' 'wc' 'wf' 'wh' 'wn' 'wo' 'ww' 'xb' 'xk' 'xt' 'xw' 'y7' 'ye' 'yl' 'yt' 'yw' 'z4' 'z7' 'zc' 'zw'
f | '1h' '3s' 'ab' 'ae' 'ax' 'b1' 'bz' 'cy' 'dk' 'dq' 'ds' 'du' 'e8' 'ef' 'ej' 'ek' 'ex' 'f1' 'fe' 'ff' 'fn' 'fo' 'ft' 'fx' 'ge' 'go' 'gz' 'h6' 'hz' 'i2' 'iv' 'iy' 'j5' 'j6' 'ke' 'kf' 'lh' 'lr' 'mc' 'mj' 'na' 'ng' 'oh' 'om' 'oy' 'p2' 'pi' 'pk' 'py' 'q3' 'qb' 'qc' 'qg' 'qn' 'qo' 'qq' 'qu' 'qw' 'qx' 'qy' 'qz' 'r1' 'rk' 'rl' 'rq' 'rs' 'rt' 'ry' 'rz' 'sk' 'sl' 'so' 't9' 'td' 'te' 'tn' 'tw' 'tz' 'ud' 'uk' 'uo' 'uq' 'uw' 'ux' 'uy' 'v1' 'vg' 'vq' 'w4' 'w9' 'wa' 'wg' 'wj' 'wm' 'wo' 'wr' 'ww' 'wy' 'xf' 'xg' 'y9' 'yh' 'yi' 'yk' 'ym' 'yq' 'yv' 'zm'
t |
(512 rows)
(514 rows)