From 2a973ced226d5ad0f88569f1d0d81f4a3bdb0c62 Mon Sep 17 00:00:00 2001
From: "serg@serg.mysql.com" <>
Date: Mon, 4 Mar 2002 13:17:49 +0000
Subject: [PATCH] bug with indexless boolean fts fixed

---
 myisam/ft_boolean_search.c   | 14 ++++++++++----
 mysql-test/r/fulltext.result |  9 ++++++++-
 mysql-test/t/fulltext.test   |  3 ++-
 3 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/myisam/ft_boolean_search.c b/myisam/ft_boolean_search.c
index e4f8d474236..8a13fec5f4e 100644
--- a/myisam/ft_boolean_search.c
+++ b/myisam/ft_boolean_search.c
@@ -81,17 +81,21 @@ typedef struct st_ft_info {
   MI_INFO  *info;
   uint       keynr;
   enum { UNINITIALIZED, READY, INDEX_SEARCH, INDEX_DONE, SCAN } state;
+  uint       with_scan;
   FTB_EXPR  *root;
   QUEUE      queue;
   MEM_ROOT   mem_root;
 } FTB;
 
-int FTB_WORD_cmp(void *v __attribute__((unused)), byte *a, byte *b)
+int FTB_WORD_cmp(void *v __attribute__((unused)), FTB_WORD *a, FTB_WORD *b)
 {
   /* ORDER BY docid, ndepth DESC */
-  int i=CMP_NUM(((FTB_WORD *)a)->docid, ((FTB_WORD *)b)->docid);
+  int i=CMP_NUM(a->docid, b->docid);
   if (!i)
-    i=CMP_NUM(((FTB_WORD *)b)->ndepth,((FTB_WORD *)a)->ndepth);
+    i=CMP_NUM(b->ndepth,a->ndepth);
+  if (!i)
+    i=_mi_compare_text(default_charset_info, b->word+1,b->len-1,
+                                             a->word+1,a->len-1,0);
   return i;
 }
 
@@ -130,6 +134,7 @@ void _ftb_parse_query(FTB *ftb, byte **start, byte *end,
         ftbw->word[0]=w.len;
         if (ftbw->yesno > 0) up->ythresh++;
         queue_insert(& ftb->queue, (byte *)ftbw);
+        ftb->with_scan|=ftbw->trunc;
         break;
       case 2: /* left bracket */
         ftbe=(FTB_EXPR *)alloc_root(&ftb->mem_root, sizeof(FTB_EXPR));
@@ -207,6 +212,7 @@ FT_INFO * ft_init_boolean_search(MI_INFO *info, uint keynr, byte *query,
   ftb->state=UNINITIALIZED;
   ftb->info=info;
   ftb->keynr=keynr;
+  ftb->with_scan=0;
 
   init_alloc_root(&ftb->mem_root, 1024, 1024);
 
@@ -215,7 +221,7 @@ FT_INFO * ft_init_boolean_search(MI_INFO *info, uint keynr, byte *query,
    */
   res=ftb->queue.max_elements=query_len/(ft_min_word_len+1);
   ftb->queue.root=(byte **)alloc_root(&ftb->mem_root, (res+1)*sizeof(void*));
-  reinit_queue(& ftb->queue, res, 0, 0, FTB_WORD_cmp, ftb);
+  reinit_queue(& ftb->queue, res, 0, 0, (int (*)(void*,byte*,byte*))FTB_WORD_cmp, ftb);
   ftbe=(FTB_EXPR *)alloc_root(&ftb->mem_root, sizeof(FTB_EXPR));
   ftbe->weight=1;
   ftbe->yesno=ftbe->nos=1;
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result
index 775ec29917f..7f4f3444312 100644
--- a/mysql-test/r/fulltext.result
+++ b/mysql-test/r/fulltext.result
@@ -48,7 +48,14 @@ Full-text search in MySQL	implements vector space model
 select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
 a	b
 Function MATCH ... AGAINST()	is used to do a search
-select *, MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE) as x from t1;
+select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1;
+a	b	x
+MySQL has now support	for full-text search	1
+Full-text indexes	are called collections	1
+Only MyISAM tables	support collections	2
+Function MATCH ... AGAINST()	is used to do a search	0
+Full-text search in MySQL	implements vector space model	0
+select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;
 a	b	x
 MySQL has now support	for full-text search	1
 Full-text indexes	are called collections	1
diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test
index 3d203bc61f5..da0c0a52d8a 100644
--- a/mysql-test/t/fulltext.test
+++ b/mysql-test/t/fulltext.test
@@ -27,7 +27,8 @@ select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MOD
 select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);
 select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);
 select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
-select *, MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE) as x from t1;
+select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1;
+select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;
 
 # boolean w/o index: