more TDB

source/libs/tdb/src/inc/tdbInt.h

@@ -71,8 +71,8 @@ static FORCE_INLINE int tdbCmprPgId(const void *p1, const void *p2) {
 #define TDB_IS_SAME_PAGE(pPgid1, pPgid2) (tdbCmprPgId(pPgid1, pPgid2) == 0)
 
 // pgsz_t
-#define TDB_MIN_PGSIZE       512
-#define TDB_MAX_PGSIZE       65536
+#define TDB_MIN_PGSIZE       512       // 512B
+#define TDB_MAX_PGSIZE       16777216  // 16M
 #define TDB_DEFAULT_PGSIZE   4096
 #define TDB_IS_PGSIZE_VLD(s) (((s) >= TDB_MIN_PGSIZE) && ((s) <= TDB_MAX_PGSIZE))
 

source/libs/tdb/src/inc/tdbPage.h

@@ -40,14 +40,12 @@ struct SPage {
   u8                *pData;
   SPgid              pgid;
   int                pageSize;
-
-  // Fields used by SPCache
-  TDB_PCACHE_PAGE
-
   // Fields below used by pager and am
   SPageHdr    *pPageHdr;
   SPageFooter *pPageFooter;
+
   u16 *aCellIdx;
+
   int   kLen;
   int   vLen;
   int   maxLocal;
@@ -55,6 +53,8 @@ struct SPage {
   int   nOverflow;
   void *apOvfl[4];
   int   aiOvfl[4];
+  // Fields used by SPCache
+  TDB_PCACHE_PAGE
 };
 
 // Macros