242
242
que_thr_t* thr, /*!< in: query thread or NULL */
243
243
mtr_t* mtr); /*!< in: mtr */
244
244
/*************************************************************//**
245
See if there is enough place in the page modification log to log
247
@return TRUE if enough place */
250
btr_cur_update_alloc_zip(
251
/*=====================*/
252
page_zip_des_t* page_zip,/*!< in/out: compressed page */
253
buf_block_t* block, /*!< in/out: buffer page */
254
dict_index_t* index, /*!< in: the index corresponding to the block */
255
ulint length, /*!< in: size needed */
256
ibool create, /*!< in: TRUE=delete-and-insert,
257
FALSE=update-in-place */
258
mtr_t* mtr) /*!< in: mini-transaction */
259
__attribute__((nonnull, warn_unused_result));
260
/*************************************************************//**
245
261
Updates a record when the update causes no size changes in its fields.
246
262
@return DB_SUCCESS or error number */
316
332
btr_cur_del_mark_set_clust_rec(
317
333
/*===========================*/
318
334
ulint flags, /*!< in: undo logging and locking flags */
319
btr_cur_t* cursor, /*!< in: cursor */
335
buf_block_t* block, /*!< in/out: buffer block of the record */
336
rec_t* rec, /*!< in/out: record */
337
dict_index_t* index, /*!< in: clustered index of the record */
338
const ulint* offsets,/*!< in: rec_get_offsets(rec) */
320
339
ibool val, /*!< in: value to set */
321
340
que_thr_t* thr, /*!< in: query thread */
322
mtr_t* mtr); /*!< in: mtr */
341
mtr_t* mtr) /*!< in: mtr */
342
__attribute__((nonnull));
323
343
/***********************************************************//**
324
344
Sets a secondary index record delete mark to TRUE or FALSE.
325
345
@return DB_SUCCESS, DB_LOCK_WAIT, or error number */
458
478
/*******************************************************************//**
459
479
Estimates the number of different key values in a given index, for
460
480
each n-column prefix of the index where n <= dict_index_get_n_unique(index).
461
The estimates are stored in the array index->stat_n_diff_key_vals. */
481
The estimates are stored in the array index->stat_n_diff_key_vals.
482
If innodb_stats_method is nulls_ignored, we also record the number of
483
non-null values for each prefix and stored the estimates in
484
array index->stat_n_non_null_key_vals. */
464
487
btr_estimate_number_of_different_key_vals(
465
488
/*======================================*/
466
489
dict_index_t* index); /*!< in: index */
467
490
/*******************************************************************//**
468
Marks not updated extern fields as not-owned by this record. The ownership
469
is transferred to the updated record which is inserted elsewhere in the
491
Marks non-updated off-page fields as disowned by this record. The ownership
492
must be transferred to the updated record which is inserted elsewhere in the
470
493
index tree. In purge only the owner of externally stored field is allowed
471
494
to free the field. */
474
btr_cur_mark_extern_inherited_fields(
475
/*=================================*/
497
btr_cur_disown_inherited_fields(
498
/*============================*/
476
499
page_zip_des_t* page_zip,/*!< in/out: compressed page whose uncompressed
477
500
part will be updated, or NULL */
478
501
rec_t* rec, /*!< in/out: record in a clustered index */
479
502
dict_index_t* index, /*!< in: index of the page */
480
503
const ulint* offsets,/*!< in: array returned by rec_get_offsets() */
481
504
const upd_t* update, /*!< in: update vector */
482
mtr_t* mtr); /*!< in: mtr, or NULL if not logged */
483
/*******************************************************************//**
484
The complement of the previous function: in an update entry may inherit
485
some externally stored fields from a record. We must mark them as inherited
486
in entry, so that they are not freed in a rollback. */
489
btr_cur_mark_dtuple_inherited_extern(
490
/*=================================*/
491
dtuple_t* entry, /*!< in/out: updated entry to be
492
inserted to clustered index */
493
const upd_t* update); /*!< in: update vector */
494
/*******************************************************************//**
495
Marks all extern fields in a dtuple as owned by the record. */
498
btr_cur_unmark_dtuple_extern_fields(
499
/*================================*/
500
dtuple_t* entry); /*!< in/out: clustered index entry */
505
mtr_t* mtr) /*!< in/out: mini-transaction */
506
__attribute__((nonnull(2,3,4,5,6)));
501
507
/*******************************************************************//**
502
508
Stores the fields in big_rec_vec to the tablespace and puts pointers to
503
509
them in rec. The extern flags in rec will have to be set beforehand.
504
510
The fields are stored on pages allocated from leaf node
505
511
file segment of the index tree.
506
@return DB_SUCCESS or error */
512
@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
509
btr_store_big_rec_extern_fields(
510
/*============================*/
515
btr_store_big_rec_extern_fields_func(
516
/*=================================*/
511
517
dict_index_t* index, /*!< in: index of rec; the index tree
512
518
MUST be X-latched */
513
519
buf_block_t* rec_block, /*!< in/out: block containing rec */
516
522
the "external storage" flags in offsets
517
523
will not correspond to rec when
518
524
this function returns */
519
big_rec_t* big_rec_vec, /*!< in: vector containing fields
526
mtr_t* local_mtr, /*!< in: mtr containing the
527
latch to rec and to the tree */
528
#endif /* UNIV_DEBUG */
529
#if defined UNIV_DEBUG || defined UNIV_BLOB_LIGHT_DEBUG
530
ibool update_in_place,/*! in: TRUE if the record is updated
531
in place (not delete+insert) */
532
#endif /* UNIV_DEBUG || UNIV_BLOB_LIGHT_DEBUG */
533
const big_rec_t*big_rec_vec) /*!< in: vector containing fields
520
534
to be stored externally */
521
mtr_t* local_mtr); /*!< in: mtr containing the latch to
522
rec and to the tree */
535
__attribute__((nonnull));
537
/** Stores the fields in big_rec_vec to the tablespace and puts pointers to
538
them in rec. The extern flags in rec will have to be set beforehand.
539
The fields are stored on pages allocated from leaf node
540
file segment of the index tree.
541
@param index in: clustered index; MUST be X-latched by mtr
542
@param b in/out: block containing rec; MUST be X-latched by mtr
543
@param rec in/out: clustered index record
544
@param offsets in: rec_get_offsets(rec, index);
545
the "external storage" flags in offsets will not be adjusted
546
@param mtr in: mini-transaction that holds x-latch on index and b
547
@param upd in: TRUE if the record is updated in place (not delete+insert)
548
@param big in: vector containing fields to be stored externally
549
@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
551
# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
552
btr_store_big_rec_extern_fields_func(index,b,rec,offsets,mtr,upd,big)
553
#elif defined UNIV_BLOB_LIGHT_DEBUG
554
# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
555
btr_store_big_rec_extern_fields_func(index,b,rec,offsets,upd,big)
557
# define btr_store_big_rec_extern_fields(index,b,rec,offsets,mtr,upd,big) \
558
btr_store_big_rec_extern_fields_func(index,b,rec,offsets,big)
523
561
/*******************************************************************//**
524
562
Frees the space in an externally stored field to the file space
525
563
management if the field in data is owned the externally stored field,
added
removed
storage/innodb_plugin/include/btr0cur.h
