diff options
Diffstat (limited to 'storage/innobase/include/row0upd.h')
| -rw-r--r-- | storage/innobase/include/row0upd.h | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/storage/innobase/include/row0upd.h b/storage/innobase/include/row0upd.h index a7687bb1ded..27dedeb65a7 100644 --- a/storage/innobase/include/row0upd.h +++ b/storage/innobase/include/row0upd.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 1996, 2012, 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 @@ -101,7 +101,7 @@ byte* row_upd_write_sys_vals_to_log( /*==========================*/ dict_index_t* index, /*!< in: clustered index */ - trx_t* trx, /*!< in: transaction */ + trx_id_t trx_id, /*!< in: transaction id */ roll_ptr_t roll_ptr,/*!< in: roll ptr of the undo log record */ byte* log_ptr,/*!< pointer to a buffer of size > 20 opened in mlog */ @@ -118,8 +118,9 @@ row_upd_rec_sys_fields( uncompressed part will be updated, or NULL */ dict_index_t* index, /*!< in: clustered index */ const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ - trx_t* trx, /*!< in: transaction */ - roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record */ + const trx_t* trx, /*!< in: transaction */ + roll_ptr_t roll_ptr);/*!< in: roll ptr of the undo log record, + can be 0 during IMPORT */ /*********************************************************************//** Sets the trx id or roll ptr field of a clustered index entry. */ UNIV_INTERN @@ -165,6 +166,15 @@ row_upd_changes_field_size_or_external( dict_index_t* index, /*!< in: index */ const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ const upd_t* update);/*!< in: update vector */ +/***********************************************************//** +Returns true if row update contains disowned external fields. +@return true if the update contains disowned external fields. */ +UNIV_INTERN +bool +row_upd_changes_disowned_external( +/*==============================*/ + const upd_t* update) /*!< in: update vector */ + __attribute__((nonnull, warn_unused_result)); #endif /* !UNIV_HOTBACKUP */ /***********************************************************//** Replaces the new column values stored in the update vector to the @@ -192,11 +202,12 @@ UNIV_INTERN upd_t* row_upd_build_sec_rec_difference_binary( /*====================================*/ + const rec_t* rec, /*!< in: secondary index record */ dict_index_t* index, /*!< in: index */ + const ulint* offsets,/*!< in: rec_get_offsets(rec, index) */ const dtuple_t* entry, /*!< in: entry to insert */ - const rec_t* rec, /*!< in: secondary index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap); /*!< in: memory heap from which allocated */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ + __attribute__((warn_unused_result, nonnull)); /***************************************************************//** Builds an update vector from those fields, excluding the roll ptr and trx id fields, which in an index entry differ from a record that has @@ -204,14 +215,19 @@ the equal ordering fields. NOTE: we compare the fields as binary strings! @return own: update vector of differing fields, excluding roll ptr and trx id */ UNIV_INTERN -upd_t* +const upd_t* row_upd_build_difference_binary( /*============================*/ dict_index_t* index, /*!< in: clustered index */ const dtuple_t* entry, /*!< in: entry to insert */ const rec_t* rec, /*!< in: clustered index record */ - trx_t* trx, /*!< in: transaction */ - mem_heap_t* heap); /*!< in: memory heap from which allocated */ + const ulint* offsets,/*!< in: rec_get_offsets(rec,index), or NULL */ + bool no_sys, /*!< in: skip the system columns + DB_TRX_ID and DB_ROLL_PTR */ + trx_t* trx, /*!< in: transaction (for diagnostics), + or NULL */ + mem_heap_t* heap) /*!< in: memory heap from which allocated */ + __attribute__((nonnull(1,2,3,7), warn_unused_result)); /***********************************************************//** Replaces the new column values stored in the update vector to the index entry given. */ @@ -315,25 +331,14 @@ row_upd_changes_fts_column( upd_field_t* upd_field); /*!< in: field to check */ /***********************************************************//** Checks if an FTS Doc ID column is affected by an UPDATE. -@return TRUE if Doc ID column is affected */ +@return whether Doc ID column is affected */ UNIV_INTERN -ulint +bool row_upd_changes_doc_id( /*===================*/ dict_table_t* table, /*!< in: table */ - upd_field_t* upd_field); /*!< in: field to check */ -/***********************************************************//** -Checks if an update vector changes the table's FTS-indexed columns. -NOTE: must not be called for tables which do not have an FTS-index. -Also, the vector returned must be explicitly freed as it's allocated -using the ut_malloc() allocator. -@return vector of FTS indexes that were affected by the update else NULL */ -UNIV_INTERN -ib_vector_t* -row_upd_changes_fts_columns( -/*========================*/ - dict_table_t* table, /*!< in: table */ - upd_t* update); /*!< in: update vector for the row */ + upd_field_t* upd_field) /*!< in: field to check */ + __attribute__((nonnull, warn_unused_result)); /***********************************************************//** Checks if an update vector changes an ordering field of an index record. This function is fast if the update vector is short or the number of ordering @@ -397,7 +402,7 @@ row_upd_index_parse( /* Update vector field */ -struct upd_field_struct{ +struct upd_field_t{ unsigned field_no:16; /*!< field number in an index, usually the clustered index, but in updating a secondary index record in btr0cur.cc @@ -416,7 +421,7 @@ struct upd_field_struct{ }; /* Update vector structure */ -struct upd_struct{ +struct upd_t{ ulint info_bits; /*!< new value of info bits to record; default is 0 */ ulint n_fields; /*!< number of update fields */ @@ -427,7 +432,7 @@ struct upd_struct{ /* Update node structure which also implements the delete operation of a row */ -struct upd_node_struct{ +struct upd_node_t{ que_common_t common; /*!< node type: QUE_NODE_UPDATE */ ibool is_delete;/* TRUE if delete, FALSE if update */ ibool searched_update; |