Add the edit_cost_table= command to the spellfix1 virtual table, permitting

the edit distance cost table to be changed at runtime.

FossilOrigin-Name: 89d6368250f9ba2f49e930bbe5524f3da615ce70
This commit is contained in:
drh 2013-02-19 11:51:27 +00:00
parent c8ac0d1649
commit 5cee8a7af5
4 changed files with 59 additions and 11 deletions

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@ -1,5 +1,5 @@
C Fix\san\sunsafe\sVM\sregister\sdeallocation.
D 2013-02-16T02:41:01.780
C Add\sthe\sedit_cost_table=\scommand\sto\sthe\sspellfix1\svirtual\stable,\spermitting\nthe\sedit\sdistance\scost\stable\sto\sbe\schanged\sat\sruntime.
D 2013-02-19T11:51:27.137
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in a48faa9e7dd7d556d84f5456eabe5825dd8a6282
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -222,7 +222,7 @@ F src/test_regexp.c 58e0349f155bc307dfa209df4b03add0a7749866
F src/test_rtree.c aba603c949766c4193f1068b91c787f57274e0d9
F src/test_schema.c 8c06ef9ddb240c7a0fcd31bc221a6a2aade58bf0
F src/test_server.c 2f99eb2837dfa06a4aacf24af24c6affdf66a84f
F src/test_spellfix.c 860eb723100d4e3cff846ba5d25e02815b2a5cac
F src/test_spellfix.c 83abe9d8c364cdd5f93bc06eaf40a349ebbf6c5c
F src/test_sqllog.c 8acb843ddb9928dea8962e31bb09f421a72ffccb
F src/test_stat.c d1569c7a4839f13e80187e2c26b2ab4da2d03935
F src/test_superlock.c 2b97936ca127d13962c3605dbc9a4ef269c424cd
@ -734,7 +734,7 @@ F test/speed3.test d32043614c08c53eafdc80f33191d5bd9b920523
F test/speed4.test abc0ad3399dcf9703abed2fff8705e4f8e416715
F test/speed4p.explain 6b5f104ebeb34a038b2f714150f51d01143e59aa
F test/speed4p.test 0e51908951677de5a969b723e03a27a1c45db38b
F test/spellfix.test 2953e9da0e46dab5f83059ef6bfdebca66e13418
F test/spellfix.test 52ae2680b1247c52b9e2b2116de3fd26a78e6bd2
F test/sqllimits1.test b1aae27cc98eceb845e7f7adf918561256e31298
F test/stat.test be8d477306006ec696bc86757cfb34bec79447ce
F test/stmt.test 25d64e3dbf9a3ce89558667d7f39d966fe2a71b9
@ -1034,7 +1034,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
P 843e1c543aabab8cd62f28742d5818887d36bcb7
R cbf020f2dfe84836eeb7827fde2edff0
P cfba2c8dadbf1fa6f1602a327933570820a3b134
R 9b9c12c2a5a4863f535d3439db5387d0
U drh
Z a30ad478221935586b899d8baf64a9ed
Z 6e5d7f1f0806fdc66b4d3ab8e7314ebf

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@ -1 +1 @@
cfba2c8dadbf1fa6f1602a327933570820a3b134
89d6368250f9ba2f49e930bbe5524f3da615ce70

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@ -2681,6 +2681,18 @@ static int spellfix1Update(
p->pConfig3 = 0;
return SQLITE_OK;
}
if( memcmp(zCmd,"edit_cost_table=",16)==0 ){
editDist3ConfigDelete(p->pConfig3);
p->pConfig3 = 0;
sqlite3_free(p->zCostTable);
p->zCostTable = spellfix1Dequote(zCmd+16);
if( p->zCostTable==0 ) return SQLITE_NOMEM;
if( p->zCostTable[0]==0 || sqlite3_stricmp(p->zCostTable,"null")==0 ){
sqlite3_free(p->zCostTable);
p->zCostTable = 0;
}
return SQLITE_OK;
}
pVTab->zErrMsg = sqlite3_mprintf("unknown value for %s.command: \"%w\"",
p->zTableName, zCmd);
return SQLITE_ERROR;

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@ -136,16 +136,52 @@ do_test 3.2 {
}
} {}
breakpoint
foreach {tn word res} {
1 kos* {kosher 3 kiosk 4 kudo 2 kiss 3 kissed 3}
2 kellj* {killjoy 5 kill 4 killed 4 killer 4 killers 4}
3 kellj {kill 4 kills 5 killjoy 7 keel 4 killed 6}
} {
do_execsql_test 1.2.$tn {
do_execsql_test 3.2.$tn {
SELECT word, matchlen FROM t3 WHERE word MATCH $word
ORDER BY score, word LIMIT 5
} $res
}
do_execsql_test 4.0 {
INSERT INTO t3(command) VALUES('edit_cost_table=NULL');
}
foreach {tn word res} {
1 kosher {kosher 0 kisser 51 kissers 76 kissed 126 kisses 126}
2 kellj {keels 60 killjoy 68 kills 80 keel 120 kill 125}
3 kashar {kosher 80 kisser 91 kissers 116 kissed 166 kisses 166}
} {
do_execsql_test 4.1.$tn {
SELECT word, distance FROM t3 WHERE word MATCH $word
ORDER BY score, word LIMIT 5
} $res
}
do_execsql_test 5.0 {
CREATE TABLE costs2(iLang, cFrom, cTo, iCost);
INSERT INTO costs2 VALUES(0, 'a', 'o', 1);
INSERT INTO costs2 VALUES(0, 'e', 'o', 4);
INSERT INTO costs2 VALUES(0, 'i', 'o', 8);
INSERT INTO costs2 VALUES(0, 'u', 'o', 16);
INSERT INTO t3(command) VALUES('edit_cost_table="costs2"');
}
foreach {tn word res} {
1 kasher {kosher 1}
2 kesher {kosher 4}
3 kisher {kosher 8}
4 kosher {kosher 0}
5 kusher {kosher 16}
} {
do_execsql_test 5.1.$tn {
SELECT word, distance FROM t3 WHERE word MATCH $word
ORDER BY score, word LIMIT 1
} $res
}
finish_test