Merge pull request #68 from citusdata/pg17

Pg17 support

Author: eaydingol

topn.c

@@ -56,11 +56,14 @@ static int32 UnionFactor = 3;
 #define PG_RETURN_JSONB(jsonb) PG_RETURN_JSONB_P(jsonb)
 #endif
 
-#if PG_VERSION_NUM >= 130000
-#define makeJsonLexContextCstringLenCompat(json, len, encoding, need_escapes) \
+#if PG_VERSION_NUM >= 170000
+#define makeJsonLexContextCstringLenCompat(lex, json, len, encoding, need_escapes) \
+	makeJsonLexContextCstringLen(lex, json, len, encoding, need_escapes);
+#elif PG_VERSION_NUM >= 130000
+#define makeJsonLexContextCstringLenCompat(lex, json, len, encoding, need_escapes) \
 	makeJsonLexContextCstringLen(json, len, encoding, need_escapes);
 #else
-#define makeJsonLexContextCstringLenCompat(json, len, encoding, need_escapes) \
+#define makeJsonLexContextCstringLenCompat(lex, json, len, encoding, need_escapes) \
 	makeJsonLexContextCstringLen(json, len, need_escapes);
 #endif
 
@@ -1172,13 +1175,13 @@ jsonb_in_scalar(void *pstate, char *token, JsonTokenType tokentype)
 static Jsonb *
 jsonb_from_cstring(char *json, int len)
 {
-	JsonLexContext *lex;
+	JsonLexContext *lex = NULL;
 	JsonbInState state;
 	JsonSemAction sem;
 
 	memset(&state, 0, sizeof(state));
 	memset(&sem, 0, sizeof(sem));
-	lex = makeJsonLexContextCstringLenCompat(json, len, GetDatabaseEncoding(), true);
+	lex = makeJsonLexContextCstringLenCompat(lex, json, len, GetDatabaseEncoding(), true);
 
 	sem.semstate = (void *) &state;