Apply const qualifier to keywords of jsonpath_scan.l

Discussion: https://postgr.es/m/CAEeOP_a-Pfy%3DU9-f%3DgQ0AsB8FrxrC8xCTVq%2BeO71-2VoWP5cag%40mail.gmail.com
Author: Mark G

diff --git a/src/backend/utils/adt/jsonpath_scan.l b/src/backend/utils/adt/jsonpath_scan.l
index 110ea2160d952c4faac301539d17a829607b2b29..06efe0e6ab969961b48a284cead1bf21c9f014a1 100644 (file)
--- a/src/backend/utils/adt/jsonpath_scan.l
+++ b/src/backend/utils/adt/jsonpath_scan.l
@@ -284,10 +284,10 @@ jsonpath_yyerror(JsonPathParseResult **result, const char *message)
 
 typedef struct keyword
 {
-       int16   len;
-       bool    lowercase;
-       int             val;
-       char    *keyword;
+       int16           len;
+       bool            lowercase;
+       int                     val;
+       const char      *keyword;
 } keyword;
 
 /*
@@ -295,7 +295,7 @@ typedef struct keyword
  * alphabetical order
  */
 
-static keyword keywords[] = {
+static const keyword keywords[] = {
        { 2, false,     IS_P,           "is"},
        { 2, false,     TO_P,           "to"},
        { 3, false,     ABS_P,          "abs"},
@@ -322,11 +322,11 @@ static keyword keywords[] = {
 static int
 checkSpecialVal()
 {
-       int                     res = IDENT_P;
-       int                     diff;
-       keyword         *StopLow = keywords,
-                               *StopHigh = keywords + lengthof(keywords),
-                               *StopMiddle;
+       int                             res = IDENT_P;
+       int                             diff;
+       const keyword  *StopLow = keywords,
+                                  *StopHigh = keywords + lengthof(keywords),
+                                  *StopMiddle;
 
        if (scanstring.len > keywords[lengthof(keywords) - 1].len)
                return res;