diff options
Diffstat (limited to 'storage/xtradb/ha/ha0ha.c')
-rw-r--r-- | storage/xtradb/ha/ha0ha.c | 69 |
1 files changed, 23 insertions, 46 deletions
diff --git a/storage/xtradb/ha/ha0ha.c b/storage/xtradb/ha/ha0ha.c index 7f11917de0a..65046138275 100644 --- a/storage/xtradb/ha/ha0ha.c +++ b/storage/xtradb/ha/ha0ha.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1994, 2011, Oracle and/or its affiliates. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -89,40 +89,6 @@ ha_create_func( } /*************************************************************//** -Empties a hash table and frees the memory heaps. */ -UNIV_INTERN -void -ha_clear( -/*=====*/ - hash_table_t* table) /*!< in, own: hash table */ -{ - ulint i; - ulint n; - - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); -#ifdef UNIV_SYNC_DEBUG - ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EXCLUSIVE)); -#endif /* UNIV_SYNC_DEBUG */ - -#ifndef UNIV_HOTBACKUP - /* Free the memory heaps. */ - n = table->n_mutexes; - - for (i = 0; i < n; i++) { - mem_heap_free(table->heaps[i]); - } -#endif /* !UNIV_HOTBACKUP */ - - /* Clear the hash table. */ - n = hash_get_n_cells(table); - - for (i = 0; i < n; i++) { - hash_get_nth_cell(table, i)->node = NULL; - } -} - -/*************************************************************//** Inserts an entry into a hash table. If an entry with the same fold number is found, its node is updated to point to the new data, and no new node is inserted. If btr_search_enabled is set to FALSE, we will only allow @@ -140,7 +106,7 @@ ha_insert_for_fold_func( #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* block, /*!< in: buffer block containing the data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* data) /*!< in: data, must not be NULL */ + const rec_t* data) /*!< in: data, must not be NULL */ { hash_cell_t* cell; ha_node_t* node; @@ -153,7 +119,11 @@ ha_insert_for_fold_func( #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(block->frame == page_align(data)); #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ ASSERT_HASH_MUTEX_OWN(table, fold); + ut_ad(btr_search_enabled); hash = hash_calc_hash(fold, table); @@ -173,7 +143,6 @@ ha_insert_for_fold_func( prev_block->n_pointers--; block->n_pointers++; } - ut_ad(!btr_search_fully_disabled); # endif /* !UNIV_HOTBACKUP */ prev_node->block = block; @@ -186,13 +155,6 @@ ha_insert_for_fold_func( prev_node = prev_node->next; } - /* We are in the process of disabling hash index, do not add - new chain node */ - if (!btr_search_enabled) { - ut_ad(!btr_search_fully_disabled); - return(TRUE); - } - /* We have to allocate a new chain node */ node = mem_heap_alloc(hash_get_heap(table, fold), sizeof(ha_node_t)); @@ -250,6 +212,10 @@ ha_delete_hash_node( { ut_ad(table); ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(btr_search_enabled); #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG # ifndef UNIV_HOTBACKUP if (table->adaptive) { @@ -272,11 +238,11 @@ ha_search_and_update_if_found_func( /*===============================*/ hash_table_t* table, /*!< in/out: hash table */ ulint fold, /*!< in: folded value of the searched data */ - void* data, /*!< in: pointer to the data */ + const rec_t* data, /*!< in: pointer to the data */ #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG buf_block_t* new_block,/*!< in: block containing new_data */ #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ - void* new_data)/*!< in: new pointer to the data */ + const rec_t* new_data)/*!< in: new pointer to the data */ { ha_node_t* node; @@ -286,6 +252,13 @@ ha_search_and_update_if_found_func( #if defined UNIV_AHI_DEBUG || defined UNIV_DEBUG ut_a(new_block->frame == page_align(new_data)); #endif /* UNIV_AHI_DEBUG || UNIV_DEBUG */ +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + + if (!btr_search_enabled) { + return; + } node = ha_search_with_data(table, fold, data); @@ -322,6 +295,10 @@ ha_remove_all_nodes_to_page( ut_ad(table); ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); ASSERT_HASH_MUTEX_OWN(table, fold); +#ifdef UNIV_SYNC_DEBUG + ut_ad(rw_lock_own(&btr_search_latch, RW_LOCK_EX)); +#endif /* UNIV_SYNC_DEBUG */ + ut_ad(btr_search_enabled); node = ha_chain_get_first(table, fold); |