mariadb

Tree: 6c0a4186af

Author	SHA1	Message	Date
marko	d6c684798e	branches/zip: Add const qualifiers to function parameters, mostly dtuple_t.	19 years ago
marko	fbe4fe6022	branches/zip: Remove the casts introduced in r920 and r925. Replace the accessors returning pointers with macros that preserve const qualifiers. In UNIV_DEBUG builds, retain the accessors and cast away constness there. dfield_get_type(), dfield_get_data(), dtuple_get_nth_field(), dict_table_get_nth_col(), dict_table_get_sys_col(): Implement as macro unless #ifdef UNIV_DEBUG. rec_get_nth_field(): Replace with rec_get_nth_field_offs() that does not do pointer arithmetics. Implement rec_get_nth_field() as a macro.	19 years ago
marko	d71e0c2d55	branches/zip: Add const qualifiers to read-only rec_t* parameters of rec accessor functions.	19 years ago
marko	174bd7b7ca	branches/zip: dtuple_convert_big_rec(): Do not store anything locally of externally stored columns, and fix bugs introduced in r873. (Bug #22496) btr_page_get_sure_split_rec(), btr_page_insert_fits(), rec_get_converted_size(), rec_convert_dtuple_to_rec(), rec_convert_dtuple_to_rec_old(), rec_convert_dtuple_to_rec_new(): Add parameters ext and n_ext. Flag external fields during the conversion. rec_set_field_extern_bits(), rec_set_field_extern_bits_new(), rec_offs_set_nth_extern(), rec_set_nth_field_extern_bit_old(): Remove. The bits are set by rec_convert_dtuple_to_rec(). page_cur_insert_rec_low(): Remove the parameters ext and n_ext. btr_cur_add_ext(): New utility function for updating and sorting ext[]. Low-level functions now expect the array to be in ascending order for performance reasons. Used in btr_cur_optimistic_insert(), btr_cur_pessimistic_insert(), and btr_cur_pessimistic_update(). btr_cur_optimistic_insert(): Remove some defensive code, because we cannot compute the added parameters of rec_get_converted_size(). btr_push_update_extern_fields(): Sort the array. Require the array to be twice the maximum usage, so that ut_ulint_sort() can be used. dtuple_convert_big_rec(): Allocate new space for the BLOB pointer, to avoid overwriting prefix indexes to the same column. Adapt dtuple_convert_back_big_rec(). row_build_index_entry(): Fetch the columns also for prefix indexes of the clustered index. page_zip_apply_log(), page_zip_decompress_clust(): Allow externally stored fields to lack a locally stored part.	19 years ago
marko	68a65c142c	branches/zip: Merge revisions 804:838 from trunk.	19 years ago
marko	38e09b2fea	branches/zip: Merge revisions 720:765 from trunk and reindent the code as per revisions r763:765.	20 years ago
marko	cafaf715b7	branches/zip: Improve assertions related to the linked lists of records on B-tree index pages. page_rec_set_next(): Assert that rec != next. rec_get_next_ptr(), rec_get_next_offs(): On compact pages, assert that there are at least REC_N_NEW_EXTRA_BYTES + 1 between records. page_cur_insert_rec_write_log(): Replace a buf_frame_align() call with ut_align_offset(). page_cur_insert_rec_low(): Assert that current_rec != insert_rec.	20 years ago
marko	aa852a3b72	branches/zip: Remove GCC 4.0.4 warnings from make AM_CFLAGS='-std=c89 -Wall -W -pedantic'	20 years ago
marko	65dfefe2c2	branches/zip: Implement in-place updates of BLOB pointers. There are still some bugs in the code. btr_store_big_rec_extern_fields(): Remove assertion on dict_table_is_zip() to ease testing. btr_free_externally_stored_field(): Test page_zip instead of dict_table_is_zip(). page_zip_write_rec(): Add parameter "create". Try to handle externally stored columns. rec_offs_any_extern(): Correct the function comment. Add rec_offs_n_extern() and page_zip_get_n_prev_extern(). page_zip_dir_decode(): Replace assertion with if (...) return(FALSE). page_zip_decompress(): Do not clear page_zip->n_blobs after counting the BLOBs. page_zip_write_blob_ptr(): Use page_zip_get_n_prev_extern(). Correct an off-by-one error in memcpy().	20 years ago
marko	1aca6cada1	branches/zip: Fix some bugs in the insertion of records. row_upd_rec_in_place(), page_zip_write_rec(): Add parameter "index". page_dir_set_n_heap(): Add a debug assertion that on compressed pages, n_heap will always be incremented by one. Improve code formatting. page_zip_dir_add_slot(): New function, called from page_cur_insert_rec_low() after page_mem_alloc_heap(). rec_set_n_owned_new(): Do not call page_zip_rec_set_owned() on the supremum record. rec_offs_make_valid(): Add debug assertions. page_zip_dir_user_size(): Correct an off-by-one error in the debug assertion. page_zip_apply_log(): Add parameter trx_id_col. Skip trx_id and roll_ptr. page_zip_decompress(): Simplify the handling of "storage" in the loop that copies the uncompressed fields. page_zip_write_rec(): Store trx_id and roll_ptr separately. page_zip_write_trx_id(), page_zip_write_roll_ptr(): Fix off-by-one errors. page_cur_insert_rec_low(): Call page_zip_dir_add_slot() after page_mem_alloc_heap(). Remove some redundant assertions. Pass page_zip to page_dir_split_slot().	20 years ago
marko	40b0bf7807	branches/zip: Merge revisions 236:247 from trunk.	20 years ago
marko	747c8fad44	branches/zip: Merge revisions 200:236 from trunk.	20 years ago
marko	47da8abc14	branches/zip: Try to synchronize the updates of uncompressed and compressed pages. btr_root_raise_and_insert(): Distinguish root_page_zip and new_page_zip. btr_cur_set_ownership_of_extern_field(): Do not log the write on the uncompressed page if it will be logged for page_zip. lock_rec_insert_check_and_lock(), lock_sec_rec_modify_check_and_lock(): Update the max_trx_id field also on the compressed page. mlog_write_ulint(): Add UNIV_UNLIKELY hints. Remove trailing white space. mlog_log_string(): Remove trailing white space. rec_set_field_extern_bits(): Remove parameter mtr, as the write will either occur in the heap, or it will be logged at a higher level. recv_parse_or_apply_log_rec_body(), page_zip_write_header(): Add log record type MLOG_ZIP_WRITE_HEADER. page_header_set_field(): Pass mtr=NULL to page_zip_write_header(). page_header_reset_last_insert(): Pass mtr to page_zip_write_header(). btr_page_set_index_id(), btr_page_set_level(), btr_page_set_next(), btr_page_set_prev(): Pass mtr to page_zip_write_header(). row_upd_rec_sys_fields(): Pass mtr=NULL to page_zip_write_trx_id() and page_zip_write_roll_ptr(), since the write will be logged at a higher level. page_zip_write_header(): Add parameter mtr. page_zip_write_header_log(): New function. Remove rec_set_nth_field_extern_bit(). Make rec_set_nth_field_extern_bit_old() static. Rename rec_set_nth_field_extern_bit_new() to rec_set_field_extern_bits_new() and make it static. row_ins_index_entry_low(): Remove bogus TODO comment.	20 years ago
marko	dcfc19c47c	branches/zip: Merge revisions 79:200 from trunk.	20 years ago
marko	12050c5c1c	branches/zip: Prepare for in-place updates of B-tree node pointers, BLOB pointers, trx_id, and roll_ptr. btr_empty(), btr_create(), page_create(): Add parameter "index", as some index information will be encoded on the compressed page. Define REC_NODE_PTR_SIZE as 4. Allow btr_page_reorganize() and btr_page_reorganize_low() to fail. Define the error code DB_ZIP_OVERFLOW. Make row_ins_index_entry_low() static. page0zip: Encode the index, log reorganized records, and store uncompressed fields separately from the compressed data stream.	20 years ago
marko	48a1ffa5f4	branches/zip: Implement a more compact page format. Add a hook to buf0flu.c for testing compression and decompression. TODO: adapt page_zip_write() calls.	20 years ago
marko	61f211489a	branches/zip: Bug fixes and improvements. page_header_reset_last_insert(): Add page_zip parameter. rec_get_next_ptr(): Return a pointer to the same page, or NULL. page_dir_delete_slot(): Fix off-by-one errors.	20 years ago
marko	b34b37b502	branches/zip: Initial import of the zip-like compression of B-tree pages.	20 years ago
osku	2903c72469	Import 5.0 code.	20 years ago

19 Commits (6c0a4186af20d30b5ea3a229b5d468f5ff3bc639)