branches/zip: Minor cleanup.

Replace btr_page_get_level() with page_is_leaf() where possible.

row_purge_upd_exist_or_extern(): Remove obsolete TODO comment.

dtuple_convert_big_rec(): Replace a flag variable with goto.

btr/btr0btr.c

@@ -511,7 +511,7 @@ btr_node_ptr_set_child_page_no(
 	ulint	len;
 
 	ut_ad(rec_offs_validate(rec, NULL, offsets));
-	ut_ad(0 < btr_page_get_level(buf_frame_align(rec), mtr));
+	ut_ad(!page_is_leaf(buf_frame_align(rec)));
 	ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec));
 
 	/* The child address is in the last field */
@@ -1762,7 +1762,7 @@ func_start:
 					NULL, NULL, tuple, heap);
 	}
 
-	if (insert_will_fit && (btr_page_get_level(page, mtr) == 0)) {
+	if (insert_will_fit && page_is_leaf(page)) {
 
 		mtr_memo_release(mtr, dict_tree_get_lock(tree),
 							MTR_MEMO_X_LOCK);
@@ -2398,7 +2398,7 @@ btr_discard_page(
 	ut_a(page_is_comp(merge_page) == page_is_comp(page));
 	btr_search_drop_page_hash_index(page);
 
-	if (left_page_no == FIL_NULL && btr_page_get_level(page, mtr) > 0) {
+	if (left_page_no == FIL_NULL && !page_is_leaf(page)) {
 
 		/* We have to mark the leftmost node pointer on the right
 		side page as the predefined minimum record */
@@ -2506,7 +2506,7 @@ btr_print_recursive(
 
 	while (!page_cur_is_after_last(&cursor)) {
 
-		if (0 == btr_page_get_level(page, mtr)) {
+		if (page_is_leaf(page)) {
 
 			/* If this is the leaf level, do nothing */
 
@@ -2590,7 +2590,7 @@ btr_check_node_ptr(
 
 	node_ptr = btr_page_get_father_node_ptr(tree, page, mtr);
 
-	if (btr_page_get_level(page, mtr) == 0) {
+	if (page_is_leaf(page)) {
 
 		return(TRUE);
 	}
@@ -2856,7 +2856,7 @@ btr_validate_level(
 		page_zip = buf_block_get_page_zip(buf_block_align(page));
 		ut_ad(!page_zip || page_zip_validate(page_zip, page));
 #endif
-		ut_a(btr_page_get_level(page, &mtr) > 0);
+		ut_a(!page_is_leaf(page));
 
 		page_cur_set_before_first(page, &cursor);
 		page_cur_move_to_next(&cursor);
@@ -2994,7 +2994,7 @@ loop:
 			goto node_ptr_fails;
 		}
 
-		if (btr_page_get_level(page, &mtr) > 0) {
+		if (!page_is_leaf(page)) {
 			offsets	= rec_get_offsets(node_ptr, index,
 					offsets, ULINT_UNDEFINED, &heap);
 

btr/btr0cur.c

@@ -2569,7 +2569,7 @@ btr_cur_optimistic_delete(
 
 	page = btr_cur_get_page(cursor);
 
-	ut_ad(btr_page_get_level(page, mtr) == 0);
+	ut_ad(page_is_leaf(page));
 
 	rec = btr_cur_get_rec(cursor);
 	offsets = rec_get_offsets(rec, cursor->index, offsets,

data/data0data.c

@@ -494,7 +494,6 @@ dtuple_convert_big_rec(
 	ulint		n_fields;
 	ulint		longest;
 	ulint		longest_i		= ULINT_MAX;
-	ibool		is_externally_stored;
 	ulint		i;
 	ulint		j;
 
@@ -536,28 +535,26 @@ dtuple_convert_big_rec(
 			/* Skip over fields which already are externally
 			stored */
 
-			is_externally_stored = FALSE;
-
 			if (ext_vec) {
 				for (j = 0; j < n_ext_vec; j++) {
 					if (ext_vec[j] == i) {
-						is_externally_stored = TRUE;
+						goto is_externally_stored;
 					}
 				}
 			}
 
-			if (!is_externally_stored) {
-
-				dfield = dtuple_get_nth_field(entry, i);
+			dfield = dtuple_get_nth_field(entry, i);
 
-				if (dfield->len != UNIV_SQL_NULL &&
-						dfield->len > longest) {
+			if (dfield->len != UNIV_SQL_NULL
+				&& dfield->len > longest) {
 
-					longest = dfield->len;
+				longest = dfield->len;
 
-					longest_i = i;
-				}
+				longest_i = i;
 			}
+
+is_externally_stored:
+			continue;
 		}
 
 		/* We do not store externally fields which are smaller than

ibuf/ibuf0ibuf.c

@@ -772,7 +772,7 @@ ibuf_set_free_bits_low(
 		return;
 	}
 
-	if (btr_page_get_level_low(page) != 0) {
+	if (!page_is_leaf(page)) {
 
 		return;
 	}
@@ -817,7 +817,7 @@ ibuf_set_free_bits(
 		return;
 	}
 
-	if (btr_page_get_level_low(page) != 0) {
+	if (!page_is_leaf(page)) {
 
 		return;
 	}

page/page0page.c

@@ -2175,8 +2175,7 @@ page_validate(
 
 		if (page_is_comp(page) && page_rec_is_user_rec(rec)
 				&& UNIV_UNLIKELY(rec_get_node_ptr_flag(rec)
-				!= (ibool)
-				(btr_page_get_level_low(page) != 0))) {
+				== page_is_leaf(page))) {
 			fputs("InnoDB: node_ptr flag mismatch\n", stderr);
 			goto func_exit;
 		}

row/row0purge.c

@@ -453,7 +453,6 @@ skip_secondaries:
 						SYNC_TRX_UNDO_PAGE);
 #endif /* UNIV_SYNC_DEBUG */
 			ut_a(ufield->new_val.len >= BTR_EXTERN_FIELD_REF_SIZE);
-			/* TODO: observe dict_table_is_zip(index->table) */
 			btr_free_externally_stored_field(index, data_field
 						+ ufield->new_val.len
 						- BTR_EXTERN_FIELD_REF_SIZE,