Remove case-sensitive identifiers. Thanks for Dan McGuirk for a reversal patch.

src/backend/parser/analyze.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.21 1997/02/07 16:22:50 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.22 1997/03/02 01:02:48 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -80,9 +80,6 @@ static void AddAggToParseState(ParseState *pstate, Aggreg *aggreg);
 static void finalizeAggregates(ParseState *pstate, Query *qry);
 static void parseCheckAggregates(ParseState *pstate, Query *qry);
 
-static bool is_lowercase(char *string);
-static void make_lowercase(char *string);
-
 /*****************************************************************************
  *
  *****************************************************************************/
@@ -1904,32 +1901,6 @@ ParseComplexProjection(ParseState *pstate,
     return NULL;
 }
 		       
-static
-bool is_lowercase(char *string)
-{
-    int i;
-
-    for(i = 0; i < strlen(string); i++) {
-	if(string[i] >= 'A' && string[i] <= 'Z') {
-	    return false;
-	}
-    }
-
-    return true;
-}
-
-static
-void make_lowercase(char *string)
-{
-    int i;
-
-    for(i = 0; i < strlen(string); i++) {
-	if(string[i] >= 'A' && string[i] <= 'Z') {
-	    string[i] = (string[i] - 'A') + 'a';
-	}
-    }
-}
-		       
 static Node *
 ParseFunc(ParseState *pstate, char *funcname, List *fargs, int *curr_resno)
 {
@@ -2048,27 +2019,6 @@ ParseFunc(ParseState *pstate, char *funcname, List *fargs, int *curr_resno)
 
 		AddAggToParseState(pstate, aggreg);
 		return (Node*)aggreg;
-	    } else {
-		/* try one more time with lowercase --djm 8/17/96 */
-		if(!is_lowercase(funcname)) {
-		    char *lowercase_funcname = pstrdup(funcname);
-
-		    make_lowercase(lowercase_funcname);
-		    if (strcmp(lowercase_funcname, "count") == 0)
-		      basetype = 0;
-		    else
-		      basetype = exprType(lfirst(fargs));
-		    if (SearchSysCacheTuple(AGGNAME, 
-					    PointerGetDatum(lowercase_funcname), 
-					    ObjectIdGetDatum(basetype),
-					    0, 0)) {
-			Aggreg *aggreg = ParseAgg(lowercase_funcname, 
-						  basetype, lfirst(fargs));
-
-			AddAggToParseState(pstate, aggreg);
-			return (Node*)aggreg;
-		    }
-		}
 	    }
 	}
     }

src/backend/parser/catalog_utils.c

@@ -6,7 +6,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.16 1997/02/07 16:23:08 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.17 1997/03/02 01:03:00 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -110,9 +110,6 @@ static Oid **argtype_inherit(int nargs, Oid *oid_array);
 static Oid **genxprod(InhPaths *arginh, int nargs);
 static int findsupers(Oid relid, Oid **supervec);
 
-static bool is_lowercase(char *string);
-static void make_lowercase(char *string);
-
 /* check to see if a type id is valid,
  * returns true if it is. By using this call before calling 
  * get_id_type or get_id_typname, more meaningful error messages
@@ -1017,32 +1014,6 @@ func_select_candidate(int nargs,
     return (NULL);
 }
 
-static
-bool is_lowercase(char *string)
-{
-    int i;
-
-    for(i = 0; i < strlen(string); i++) {
-	if(string[i] >= 'A' && string[i] <= 'Z') {
-	    return false;
-	}
-    }
-
-    return true;
-}
-
-static
-void make_lowercase(char *string)
-{
-    int i;
-
-    for(i = 0; i < strlen(string); i++) {
-	if(string[i] >= 'A' && string[i] <= 'Z') {
-	    string[i] = (string[i] - 'A') + 'a';
-	}
-    }
-}
-
 bool
 func_get_detail(char *funcname,
 		int nargs,
@@ -1138,24 +1109,6 @@ func_get_detail(char *funcname,
     if (!HeapTupleIsValid(ftup)) {
 	Type tp;
 
-	/*
-	 * everything else has failed--try converting the function
-	 * name to lowercase, and do everything one more time
-	 * (if it's not already lowercase).  so ODBC applications
-	 * that expect uppercase names to work can work.  --djm 8/17/96
-	 */
-	if(!is_lowercase(funcname)) {
-	    char *lowercase_funcname = strdup(funcname);
-	    bool result;
-
-	    make_lowercase(lowercase_funcname);
-	    result = func_get_detail(lowercase_funcname, nargs, oid_array,
-				     funcid, rettype, retset,	
-				     true_typeids);
-	    
-	    free(lowercase_funcname);
-	    return result;
-	} else {
 	if (nargs == 1) {
 	    tp = get_id_type(oid_array[0]);
 	    if (typetypetype(tp) == 'c')
@@ -1163,7 +1116,6 @@ func_get_detail(char *funcname,
 		     funcname);
 	}
 	func_error("func_get_detail", funcname, nargs, oid_array);
-	}
     } else {
 	pform = (Form_pg_proc) GETSTRUCT(ftup);
 	*funcid = ftup->t_oid;

src/backend/parser/keywords.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.6 1997/01/13 03:44:25 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.7 1997/03/02 01:03:07 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -154,8 +154,7 @@ ScanKeywordLookup(char *text)
     
     while (low <= high) {
 	middle = low + (high - low) / 2;
-	/* keywords case-insensitive (for SQL) -- ay 8/94 */
-	difference = strcasecmp(middle->name, text);	
+	difference = strcmp(middle->name, text);
 	if (difference == 0)
 	    return (middle);
 	else if (difference < 0)
@@ -167,6 +166,7 @@ ScanKeywordLookup(char *text)
     return (NULL);
 }
 
+#ifdef NOT_USED
 char*
 AtomValueGetString(int atomval)
 {
@@ -182,3 +182,4 @@ AtomValueGetString(int atomval)
     elog(WARN,"AtomGetString called with bogus atom # : %d", atomval );
     return(NULL);
 }
+#endif

src/backend/parser/scan.l

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.11 1997/02/28 13:25:16 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.12 1997/03/02 01:03:16 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -164,8 +164,13 @@ other		.
 	                return (SCONST); 
 		    }
 {identifier}	{
+			int i;
 			ScanKeyword	*keyword;
 
+			for(i = 0; i < strlen(yytext); i++)
+				if (isupper(yytext[i]))
+					yytext[i] = tolower(yytext[i]);
+			
 			keyword = ScanKeywordLookup((char*)yytext);
 			if (keyword != NULL) {
 				return (keyword->value);
@@ -209,6 +214,7 @@ init_io()
 }
 
 
+
 #if !defined(FLEX_SCANNER)
 /* get lex input from a string instead of from stdin */
 int

src/test/regress/expected.input

@@ -6699,38 +6699,26 @@ QUERY: SELECT user_relns() AS user_relns
    ORDER BY user_relns;
 user_relns   
 -------------
-ABSTIME_TBL  
-BOOLTBL1     
-BOOLTBL2     
-BOX_TBL      
-Bprime       
-CHAR16_TBL   
-CHAR2_TBL    
-CHAR4_TBL    
-CHAR8_TBL    
-CHAR_TBL     
-FLOAT4_TBL   
-FLOAT8_TBL   
-INT2_TBL     
-INT4_TBL     
-OIDINT2_TBL  
-OIDINT4_TBL  
-OIDNAME_TBL  
-OID_TBL      
-POINT_TBL    
-POLYGON_TBL  
-RELTIME_TBL  
-TINTERVAL_TBL
 a,775132     
 a_star       
+abstime_tbl  
 aggtest      
 arrtest      
 b_star       
+booltbl1     
+booltbl2     
+box_tbl      
+bprime       
 bt_c16_heap  
 bt_f8_heap   
 bt_i4_heap   
 bt_txt_heap  
 c_star       
+char16_tbl   
+char2_tbl    
+char4_tbl    
+char8_tbl    
+char_tbl     
 city         
 d_star       
 dept         
@@ -6739,6 +6727,8 @@ emp
 equipment_r  
 f_star       
 fast_emp4000 
+float4_tbl   
+float8_tbl   
 hash_c16_heap
 hash_f8_heap 
 hash_i4_heap 
@@ -6746,12 +6736,21 @@ hash_txt_heap
 hobbies_r    
 iexit        
 ihighway     
+int2_tbl     
+int4_tbl     
 iportaltest  
+oid_tbl      
+oidint2_tbl  
+oidint4_tbl  
+oidname_tbl  
 onek         
 onek2        
 person       
+point_tbl    
+polygon_tbl  
 ramp         
 real_city    
+reltime_tbl  
 road         
 shighway     
 slow_emp4000 
@@ -6760,6 +6759,7 @@ stud_emp
 student      
 tenk1        
 tenk2        
+tinterval_tbl
 toyemp       
 xacttest     
 (63 rows)