Commit c126039d authored by unknown's avatar unknown
Browse files

row0vers.c, row0sel.c: 

  Backport the clust rec bug fix from 4.0


innobase/row/row0sel.c:
  Backport the clust rec bug fix from 4.0
innobase/row/row0vers.c:
  Backport the clust rec bug fix from 4.0
parent a18c4883

innobase/row/row0sel.c

+21 −2
Original line number Diff line number Diff line
@@ -598,7 +598,14 @@ row_sel_get_clust_rec( 


	clust_rec = btr_pcur_get_rec(&(plan->clust_pcur));



	ut_ad(page_rec_is_user_rec(clust_rec));

	if (!page_rec_is_user_rec(clust_rec)

            || btr_pcur_get_low_match(&(plan->clust_pcur))

	       < dict_index_get_n_unique(index)) {



	       clust_rec = NULL;



	       goto func_exit;

	}



	if (!node->read_view) {

		/* Try to place a lock on the index record */
@@ -661,6 +668,7 @@ row_sel_get_clust_rec( 
	

	row_sel_fetch_columns(index, clust_rec,

					UT_LIST_GET_FIRST(plan->columns));

func_exit:

	*out_rec = clust_rec;



	return(DB_SUCCESS);
@@ -2206,7 +2214,17 @@ row_sel_get_clust_rec_for_mysql( 


	clust_rec = btr_pcur_get_rec(prebuilt->clust_pcur);



	ut_ad(page_rec_is_user_rec(clust_rec));

	/* Note: only if the search ends up on a non-infimum record is the

	low_match value the real match to the search tuple */



	if (!page_rec_is_user_rec(clust_rec)

	    || btr_pcur_get_low_match(prebuilt->clust_pcur)

	       < dict_index_get_n_unique(clust_index)) {



	       clust_rec = NULL;



	       goto func_exit;

	}



	if (prebuilt->select_lock_type != LOCK_NONE) {

		/* Try to place a lock on the index record */
@@ -2268,6 +2286,7 @@ row_sel_get_clust_rec_for_mysql( 
		}

	}



func_exit:

	*out_rec = clust_rec;



	if (prebuilt->select_lock_type == LOCK_X) {

innobase/row/row0vers.c

+0 −14
Original line number Diff line number Diff line
@@ -76,23 +76,9 @@ row_vers_impl_x_locked_off_kernel( 
	clust_rec = row_get_clust_rec(BTR_SEARCH_LEAF, rec, index,

							&clust_index, &mtr);

	if (!clust_rec) {

	        rec_sprintf(err_buf, 900, rec);



	        ut_print_timestamp(stderr);

	        fprintf(stderr,

"  InnoDB: Error: cannot find the clustered index record\n"

"InnoDB: for a secondary index record in table %s index %s.\n"

"InnoDB: Secondary index record %s.\n"

"InnoDB: The table is probably corrupt. Please run CHECK TABLE on it.\n"

"InnoDB: You can try to repair the table by dump + drop + reimport.\n"

"InnoDB: Send a detailed bug report to mysql@lists.mysql.com.\n",

		  index->table_name, index->name, err_buf);

	        mutex_enter(&kernel_mutex);

	        mtr_commit(&mtr);



	        /* We assume there is no lock on the record, though this

	        is not certain because the table is apparently corrupt */



	        return(NULL);

	}