From 6d8ed31590b1920cae93929b67d9c0b41f4d075e Mon Sep 17 00:00:00 2001
From: Jeff Davis <jeff@j-davis.com>
Date: Fri, 8 Aug 2025 15:50:29 -0700
Subject: [PATCH v3j 2/4] Undo perfect hash changes.

---
 src/common/unicode_norm.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/common/unicode_norm.c b/src/common/unicode_norm.c
index a3e51499e49..6654b4cbc49 100644
--- a/src/common/unicode_norm.c
+++ b/src/common/unicode_norm.c
@@ -18,10 +18,8 @@
 #include "postgres_fe.h"
 #endif
 
-#define NORMALIZE_PERFECTHASH
-
 #include "common/unicode_norm.h"
-#ifdef NORMALIZE_PERFECTHASH
+#ifndef FRONTEND
 #include "common/unicode_norm_hashfunc.h"
 #include "common/unicode_normprops_table.h"
 #include "port/pg_bswap.h"
@@ -48,7 +46,7 @@
 #define NCOUNT		VCOUNT * TCOUNT
 #define SCOUNT		LCOUNT * NCOUNT
 
-#ifndef NORMALIZE_PERFECTHASH
+#ifdef FRONTEND
 /* comparison routine for bsearch() of decomposition lookup table. */
 static int
 conv_compare(const void *p1, const void *p2)
@@ -73,7 +71,7 @@ conv_compare(const void *p1, const void *p2)
 static const pg_unicode_decomposition *
 get_code_entry(pg_wchar code)
 {
-#ifdef NORMALIZE_PERFECTHASH
+#ifndef FRONTEND
 	int			h;
 	uint32		hashkey;
 	pg_unicode_decompinfo decompinfo = UnicodeDecompInfo;
@@ -256,7 +254,7 @@ recompose_code(uint32 start, uint32 code, uint32 *result)
 		 * recomposed partially.  This lookup uses a perfect hash function for
 		 * the backend code.
 		 */
-#ifdef NORMALIZE_PERFECTHASH
+#ifndef FRONTEND
 
 		int			h,
 					inv_lookup_index;
@@ -306,7 +304,7 @@ recompose_code(uint32 start, uint32 code, uint32 *result)
 				return true;
 			}
 		}
-#endif							/* NORMALIZE_PERFECTHASH */
+#endif							/* !FRONTEND */
 	}
 
 	return false;
@@ -539,7 +537,7 @@ unicode_normalize(UnicodeNormalizationForm form, const pg_wchar *input)
  */
 
 /* We only need this in the backend. */
-#ifdef NORMALIZE_PERFECTHASH
+#ifndef FRONTEND
 
 static const pg_unicode_normprops *
 qc_hash_lookup(pg_wchar ch, const pg_unicode_norminfo *norminfo)
@@ -633,4 +631,4 @@ unicode_is_normalized_quickcheck(UnicodeNormalizationForm form, const pg_wchar *
 	return result;
 }
 
-#endif							/* NORMALIZE_PERFECTHASH */
+#endif							/* !FRONTEND */
-- 
2.43.0

