[TD-5623]<feature>: Set default column compression threshold to 512KB

src/query/inc/qExecutor.h

@@ -43,7 +43,8 @@ typedef int32_t (*__block_search_fn_t)(char* data, int32_t num, int64_t key, int
 
 #define GET_NUM_OF_RESULTS(_r) (((_r)->outputBuf) == NULL? 0:((_r)->outputBuf)->info.rows)
 
-#define QUERY_COMP_THRESHOLD 16
+//TODO: may need to fine tune this threshold
+#define QUERY_COMP_THRESHOLD 1024 * 512
 #define NEEDTO_COMPRESS_QUERY(size) ((size) > QUERY_COMP_THRESHOLD ? 1 : 0)
 
 enum {