Commit 375fcfa5 authored by heikki@hundin.mysql.fi's avatar heikki@hundin.mysql.fi
Browse files

btr0sea.c: 

  Backport from 4.0: fix bug in adaptive hash index search
parent 91ba1345

innobase/btr/btr0sea.c

+11 −1
Original line number Diff line number Diff line
@@ -470,6 +470,7 @@ btr_search_check_guess( 
/*===================*/

				/* out: TRUE if success */

	btr_cur_t*	cursor,	/* in: guessed cursor position */

	ibool           can_only_compare_to_cursor_rec,

	dtuple_t* 	tuple,	/* in: data tuple */

	ulint		mode,	/* in: PAGE_CUR_L, PAGE_CUR_LE, PAGE_CUR_G,

				or PAGE_CUR_GE */
@@ -528,6 +529,10 @@ btr_search_check_guess( 
		}

	}



	if (can_only_compare_to_cursor_rec) {

	       return(FALSE);

	}



	match = 0;

	bytes = 0;
@@ -632,6 +637,7 @@ btr_search_guess_on_hash( 
	ulint		fold;

	ulint		tuple_n_fields;

	dulint		tree_id;

	ibool           can_only_compare_to_cursor_rec = TRUE;

#ifdef notdefined

	btr_cur_t	cursor2;

	btr_pcur_t	pcur;
@@ -706,6 +712,8 @@ btr_search_guess_on_hash( 
			goto failure;

		}



		can_only_compare_to_cursor_rec = FALSE;



		buf_page_dbg_add_level(page, SYNC_TREE_NODE_FROM_HASH);

	}
@@ -737,7 +745,9 @@ btr_search_guess_on_hash( 
				fold);

*/				

	} else {

		success = btr_search_check_guess(cursor, tuple, mode, mtr);

		success = btr_search_check_guess(cursor,

					   can_only_compare_to_cursor_rec,

						 tuple, mode, mtr);

	}

	

	if (!success) {