62#define PAGE_ZIP_START PAGE_NEW_SUPREMUM_END
100#ifndef UNIV_HOTBACKUP
159bool page_zip_validate_low(
166bool page_zip_validate(
207 const ulint *offsets,
225 const ulint *offsets,
279 const byte *free_rec,
byte *rec);
335#ifndef UNIV_HOTBACKUP
365 const byte *ptr,
const byte *end_ptr,
page_t *
page,
368#ifndef UNIV_HOTBACKUP
The database buffer pool high-level routines.
Buffer pool checksum functions, also linked from /extra/innochecksum.cc.
The database buffer pool global types for the directory.
Page size descriptor.
Definition: page0size.h:50
int page
Definition: ctype-mb.cc:1234
constexpr size_t DATA_ROLL_PTR_LEN
Rollback data pointer type size in bytes.
Definition: data0type.h:191
constexpr size_t DATA_TRX_ID_LEN
Transaction ID type size in bytes.
Definition: data0type.h:185
Data dictionary global types.
static int flag
Definition: hp_test1.cc:40
#define free(A)
Definition: lexyy.cc:915
Utilities for converting data from the database file to the machine format.
Mini-transaction buffer global types.
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1081
Definition: buf0block_hint.cc:30
bool length(const dd::Spatial_reference_system *srs, const Geometry *g1, double *length, bool *null) noexcept
Computes the length of linestrings and multilinestrings.
Definition: length.cc:76
size_t size(const char *const c)
Definition: base64.h:46
static mysql_service_status_t create(const char *service_names[], reference_caching_channel *out_channel) noexcept
Definition: component.cc:45
byte page_t
Type of the index page.
Definition: page0types.h:152
void page_zip_rec_set_owned(page_zip_des_t *page_zip, const byte *rec, ulint flag)
Write the "owned" flag of a record on a compressed page.
Definition: page0zip.cc:2242
const byte * page_zip_parse_write_node_ptr(const byte *ptr, const byte *end_ptr, page_t *page, page_zip_des_t *page_zip)
Parses a log record of writing the node pointer of a record.
Definition: page0zip.cc:1959
bool page_zip_reorganize(buf_block_t *block, dict_index_t *index, mtr_t *mtr)
Reorganize and compress a page.
Definition: page0zip.cc:2547
void page_zip_dir_delete(page_zip_des_t *page_zip, byte *rec, const dict_index_t *index, const ulint *offsets, const byte *free)
Shift the dense page directory and the array of BLOB pointers when a record is deleted.
Definition: page0zip.cc:2329
static void page_zip_write_header(page_zip_des_t *page_zip, const byte *str, ulint length, mtr_t *mtr)
Write data to the uncompressed header portion of a page.
void page_zip_write_trx_id_and_roll_ptr(page_zip_des_t *page_zip, byte *rec, const ulint *offsets, ulint trx_id_col, trx_id_t trx_id, roll_ptr_t roll_ptr)
Write the trx_id and roll_ptr of a record on a B-tree leaf node page.
Definition: page0zip.cc:2093
void page_zip_set_alloc(void *stream, mem_heap_t *heap)
Configure the zlib allocator to use the given memory heap.
Definition: zipdecompress.cc:117
void page_zip_write_blob_ptr(page_zip_des_t *page_zip, const byte *rec, const dict_index_t *index, const ulint *offsets, ulint n, mtr_t *mtr)
Write a BLOB pointer of a record on the leaf page of a clustered index.
Definition: page0zip.cc:1878
constexpr uint32_t PAGE_ZIP_CLUST_LEAF_SLOT_SIZE
Predefine the sum of DIR_SLOT, TRX_ID & ROLL_PTR.
Definition: page0zip.h:64
static void page_zip_compress_write_log_no_data(ulint level, const page_t *page, dict_index_t *index, mtr_t *mtr)
Write a log record of compressing an index page without the data on the page.
constexpr uint32_t PAGE_ZIP_DIR_SLOT_OWNED
'owned' flag
Definition: page0zip.h:69
static bool page_zip_available(const page_zip_des_t *page_zip, bool is_clust, ulint length, ulint create)
Determine if enough space is available in the modification log.
static bool page_zip_rec_needs_ext(ulint rec_size, ulint comp, ulint n_fields, const page_size_t &page_size)
Determine if a record is so big that it needs to be stored externally.
constexpr uint32_t DEFAULT_COMPRESSION_LEVEL
Definition: page0zip.h:60
static void page_zip_reset_stat_per_index()
Reset the counters used for filling INFORMATION_SCHEMA.innodb_cmp_per_index.
ulint page_zip_fields_encode(ulint n, const dict_index_t *index, ulint trx_id_pos, byte *buf)
Write the index information for the compressed page.
Definition: page0zip.cc:312
void page_zip_rec_set_deleted(page_zip_des_t *page_zip, const byte *rec, bool flag)
Write the "deleted" flag of a record on a compressed page.
Definition: page0zip.cc:2219
void page_zip_write_node_ptr(page_zip_des_t *page_zip, byte *rec, ulint size, ulint ptr, mtr_t *mtr)
Write the node pointer of a record on a non-leaf compressed page.
Definition: page0zip.cc:2031
const byte * page_zip_parse_write_blob_ptr(const byte *ptr, const byte *end_ptr, page_t *page, page_zip_des_t *page_zip)
Parses a log record of writing a BLOB pointer of a record.
Definition: page0zip.cc:1828
ulint page_zip_empty_size(ulint n_fields, ulint zip_size)
Determine the guaranteed free space on an empty page.
Definition: page0zip.cc:110
const byte * page_zip_parse_write_header(const byte *ptr, const byte *end_ptr, page_t *page, page_zip_des_t *page_zip)
Parses a log record of writing to the header of a page.
Definition: page0zip.cc:2454
void page_zip_copy_recs(page_zip_des_t *page_zip, page_t *page, const page_zip_des_t *src_zip, const page_t *src, dict_index_t *index, mtr_t *mtr)
Copy the records of a page byte for byte.
Definition: page0zip.cc:2633
static void page_zip_des_init(page_zip_des_t *page_zip)
Initialize a compressed page descriptor.
bool page_zip_is_too_big(const dict_index_t *index, const dtuple_t *entry)
Check whether a tuple is too big for compressed table.
Definition: page0zip.cc:130
void page_zip_dir_add_slot(page_zip_des_t *page_zip, bool is_clustered)
Add a slot to the dense page directory.
Definition: page0zip.cc:2414
static void page_zip_set_size(page_zip_des_t *page_zip, ulint size)
Set the size of a compressed page in bytes.
static lint page_zip_max_ins_size(const page_zip_des_t *page_zip, bool is_clust)
Determine how big record can be inserted without re-compressing the page.
static const byte * page_zip_parse_compress_no_data(const byte *ptr, const byte *end_ptr, page_t *page, page_zip_des_t *page_zip, dict_index_t *index)
Parses a log record of compressing an index page without the data.
bool page_zip_compress(page_zip_des_t *page_zip, const page_t *page, dict_index_t *index, ulint level, mtr_t *mtr)
Compress a page.
Definition: page0zip.cc:921
constexpr uint32_t PAGE_ZIP_DIR_SLOT_MASK
Mask of record offsets.
Definition: page0zip.h:67
constexpr uint32_t PAGE_ZIP_DIR_SLOT_DEL
'deleted' flag
Definition: page0zip.h:71
bool page_zip_decompress(page_zip_des_t *page_zip, page_t *page, bool all)
Decompress a page.
Definition: page0zip.cc:1266
uint page_zip_level
Definition: page0zip.cc:87
const byte * page_zip_parse_compress(const byte *ptr, const byte *end_ptr, page_t *page, page_zip_des_t *page_zip)
Parses a log record of compressing an index page.
Definition: page0zip.cc:2715
void page_zip_dir_insert(page_zip_des_t *page_zip, const byte *prev_rec, const byte *free_rec, byte *rec)
Insert a record to the dense page directory.
Definition: page0zip.cc:2259
bool page_zip_log_pages
Definition: page0zip.cc:91
void page_zip_write_rec(page_zip_des_t *page_zip, const byte *rec, const dict_index_t *index, const ulint *offsets, ulint create)
Write an entire record on the compressed page.
Definition: page0zip.cc:1659
Compressed page interface.
Definition: completion_hash.h:35
The buffer control block structure.
Definition: buf0buf.h:1747
Data structure for an index.
Definition: dict0mem.h:1046
Structure for an SQL data tuple of fields (logical record)
Definition: data0data.h:694
The info structure stored at the beginning of a heap block.
Definition: mem0mem.h:302
Mini-transaction handle and buffer.
Definition: mtr0mtr.h:177
Compressed page descriptor.
Definition: page0types.h:201
Transaction system global type definitions.
ib_id_t trx_id_t
Transaction identifier (DB_TRX_ID, DATA_TRX_ID)
Definition: trx0types.h:138
ib_id_t roll_ptr_t
Rollback pointer (DB_ROLL_PTR, DATA_ROLL_PTR)
Definition: trx0types.h:140
Version control for database, common definitions, and include files.
unsigned long int ulint
Definition: univ.i:406
long int lint
Definition: univ.i:407
int n
Definition: xcom_base.cc:509
static int all(site_def const *s, node_no node)
Definition: xcom_transport.cc:885
Compressed page interface.
constexpr uint32_t PAGE_ZIP_DIR_SLOT_SIZE
Size of an compressed page directory entry.
Definition: zipdecompress.ic:48