mariadb

Tree: 97025c3acf

Author	SHA1	Message	Date
marko	3978843916	branches/zip: Fix a bug in fast index creation that was introduced in r2131 when row_build() was changed to prefetch all externally stored column prefixes that occur in ordering fields of an index. row_build(): Add the parameter col_table for determining which externally stored columns need to be fetched. row_merge_read_clustered_index(): Pass new_table as the said parameter, so that newly added indexes containing column prefix indexes of externally stored columns will work.	18 years ago
marko	06299dddd4	branches/zip: In purge, avoid dereferencing unset BLOB pointers of freshly inserted, uncommitted clustered index records when determining if a secondary index record that contains a column prefix of an externally stored column is referencing the clustered index record. field_ref_zero[]: A BLOB pointer full of zero, for use in comparisons. btr_copy_externally_stored_field_prefix(): Assert that the BLOB pointer is set. row_ext_lookup_ith(), row_ext_lookup(), row_ext_lookup_low(): Document that field_ref_zero is returned when the BLOB cannot be fetched. row_ext_lookup_low(): Return field_ref_zero and *len = 0 when the BLOB pointer is unset. row_build_index_entry(): Return NULL when a needed BLOB pointer cannot be dereferenced (row_ext_lookup returns field_ref_zero). Check the return value for NULL in callers. row_vers_impl_x_locked_off_kernel(): Avoid comparisons when row_build_index_entry() returns NULL. row_vers_old_has_index_entry(): Ignore records for which row_build_index_entry() returns NULL. The entry should never be NULL in rollback, but it may be NULL in purge. row_merge_buf_add(): Assert that row_ext_lookup() does not return field_ref_zero. The table will be locked during index creation.	18 years ago
vasil	0028e8d1ee	branches/zip: Add innodb_locks.lock_data column and some relevant tests. For record locks this column represents the ordering fields of the locked row in a human readable, SQL-valid, format. Approved by: Marko	18 years ago
marko	e7267909d7	branches/zip: Initialize dfield_t::ext as soon as possible. This should fix the bugs introduced in r1591. row_rec_to_index_entry_low(): Clear "n_ext". Do not allow it to be NULL. Add const qualifier to dict_index_t*. row_rec_to_index_entry(): Add the parameters "offsets" and "n_ext". btr_cur_optimistic_update(): Add an assertion that there are no externally stored columns. Remove the unreachable call to btr_cur_unmark_extern_fields() and the preceding unnecessary call to rec_get_offsets(). btr_push_update_extern_fields(): Remove the parameters index, offsets. Only report the additional externally stored columns of the update vector. row_build(), trx_undo_rec_get_partial_row(): Flag externally stored columns also with dfield_set_ext(). rec_copy_prefix_to_dtuple(): Assert that there are no externally stored columns in the prefix. row_build_row_ref(): Note and assert that the index is a secondary index, and assert that there are no externally stored columns. row_build_row_ref_fast(): Assert that there are no externally stored columns. rec_offs_get_n_alloc(): Expose the function. row_build_row_ref_in_tuple(): Assert that there are no externally stored columns in a record of a secondary index. row_build_row_ref_from_row(): Assert that there are no externally stored columns. row_upd_check_references_constraints(): Add the parameter offsets, to avoid a redundant call to rec_get_offsets(). row_upd_del_mark_clust_rec(): Add the parameter offsets. Remove duplicated code. row_ins_index_entry_set_vals(): Copy the external storage flag. sel_pop_prefetched_row(): Assert that there are no externally stored columns. row_scan_and_check_index(): Copy offsets to a temporary heap across the invocation of row_rec_to_index_entry().	18 years ago
marko	3ad7bd739d	branches/zip: Add some const qualifiers to input parameters. rec_get_converted_size_comp(), rec_convert_dtuple_to_rec_comp(), rec_convert_dtuple_to_rec_new(), rec_convert_dtuple_to_rec(): Add a const qualifier to dict_index_t. row_search_on_row_ref(): Add const qualifiers to the dict_table_t and dtuple_t* parameters. Note that pcur is an "out" parameter and mtr is "in/out".	18 years ago
marko	366087058f	branches/zip: Minor cleanup. row_build_row_ref_fast(): Note that "ref" is an in/out parameter. row_build_row_ref_from_row(): Add const qualifiers to all "in" parameters.	18 years ago
marko	051545ad66	branches/zip: row_build_row_ref_in_tuple(): Add the parameter "offsets", to avoid a rec_get_offsets() call. Add some const qualifiers. row_sel_get_clust_rec_for_mysql(): Note that "offsets" will also be an input parameter.	18 years ago
marko	632ec54002	branches/zip: Make merge sort handle externally stored columns. Some things still fail in innodb-index.test, and there seems to be a race condition (data dictionary lock wait) when running with --valgrind. dfield_t: Add an "external storage" flag, dfield->ext. dfield_is_null(), dfield_is_ext(), dfield_set_ext(), dfield_set_null(): New functions. dfield_copy(), dfield_copy_data(): Add const qualifiers, fix in/out comments. data_write_sql_null(): Use memset(). big_rec_field_t: Replace byte* data with const void* data. ut_ulint_sort(): Remove. upd_field_t: Remove extern_storage. upd_node_t: Replace ext_vec, n_ext_vec with n_ext. row_merge_copy_blobs(): New function. row_ins_index_entry(): Add the parameter "ibool foreign" for suppressing foreign key checks during fast index creation or when inserting into secondary indexes. btr_page_insert_fits(): Add const qualifiers. btr_cur_add_ext(), upd_ext_vec_contains(): Remove. dfield_print_also_hex(), dfield_print(): Replace if...else if with switch. Observe dfield_is_ext().	19 years ago
marko	1a8a63d0cd	branches/zip: Reimplement merge sort in fast index creation. The creation of the primary key does not work. We will have to flag externally stored columns and copy the externally stored part from the old table. row_build_index_for_mysql(): Rename to row_merge_build_indexes(). Move from row0mysql.c to row0merge.c. Remove private declarations from row0merge.h. Make many functions static in row0merge.c. cmp_rec_rec_simple(): A new comparison function. dict_index_get_min_size(): New function. OS_FILE_FROM_FD(fd): A macro for converting from int to os_file_t. rec_convert_dtuple_to_rec_comp(): Make the interface lower-level. rec_get_converted_size_comp(): Return also extra_size. UT_SORT_FUNCTION_BODY(): Remove reference to an obsolete test program. row_rec_to_index_entry_low(): New function. row0merge.c: Implement merge sort based on file streams instead of fixed-size blocks. Sort the small blocks as arrays of dfield_t*, because it is faster than invoking rec_get_offsets() for every comparison.	19 years ago
marko	fc65b08f53	branches/zip: Merge branches/fast-index-creation -r1413. Fix some bugs. The tests innodb and innodb-index fail, but that might be due to an old MySQL source tree being used.	19 years ago
marko	94c7711111	branches/zip: Add const qualifiers to some read-only byte* and rec_t* parameters of some functions.	19 years ago
marko	8f07794024	branches/zip: Introduce const qualifiers to many read-only parameters and modify some functions to return const pointers. Add const qualifiers to local variable declarations or casts to remove the const qualifier in those places where write access is needed.	19 years ago
marko	1f510066f4	branches/zip: Allow the locally stored part of externally stored columns in the clustered index to be smaller than the indexed prefix in secondary indexes. row_ext_lookup(): Return NULL if the column is not stored externally. trx_undo_rec_get_partial_row(): row_build(): Add parameter row_ext_t** ext. row_build_index_entry(): Add the parameter row_ext_t* ext. Invoke row_ext_lookup() to fetch prefixes of externally stored columns. upd_node_t, undo_node_t, purge_node_t: Add the field row_ext_t* ext.	19 years ago
marko	d4d321ad85	branches/zip: Merge revisions 767:789 from trunk.	19 years ago
marko	747c8fad44	branches/zip: Merge revisions 200:236 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	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

18 Commits (97025c3acf4fba7ad7beace3b2d1f0c01d48fa12)