Remove asymetrical word processing in query and text

diff --git a/contrib/tsearch/query.c b/contrib/tsearch/query.c
index bcf2e0d83c47e95974d9a2e8d6dbe3188e74e538..88b7f7e4cb236f372ab6ac48a37889624f8daeb5 100644 (file)
--- a/contrib/tsearch/query.c
+++ b/contrib/tsearch/query.c
@@ -240,9 +240,18 @@ pushval_morph(QPRS_STATE * state, int typeval, char *strval, int lenval)
                lemm = lemmatize(token, &lenlemm, type);
                if (lemm)
                {
+                       if ( lemm==token ) {
+                               char *ptrs=token,*ptrd;
+                               ptrd = lemm = palloc(lenlemm+1);
+                               while(ptrs-token<lenlemm) {
+                                       *ptrd = tolower((unsigned char) *ptrs);
+                                       ptrs++;
+                                       ptrd++;
+                               }
+                               *ptrd='\0';
+                       }       
                        pushval_asis(state, VAL, lemm, lenlemm);
-                       if (lemm != token)
-                               pfree(lemm);
+                       pfree(lemm);
                }
                else
                        pushval_asis(state, VALTRUE, 0, 0);