/** Error message for a delete-marked record in dict_load_index_low() */
static const char* dict_load_index_del = "delete-marked record in SYS_INDEXES";
/** Error message for table->id mismatch in dict_load_index_low() */
static const char* dict_load_index_id_err = "SYS_INDEXES.TABLE_ID mismatch";
/********************************************************************//**
Loads an index definition from a SYS_INDEXES record to dict_index_t.
If allocate=TRUE, we will create a dict_index_t structure and fill it
accordingly. If allocated=FALSE, the dict_index_t will be supplied by
the caller and filled with information read from the record. @return
error message, or NULL on success */
UNIV_INTERN
const char*
dict_load_index_low(
/*================*/
byte* table_id, /*!< in/out: table id (8 bytes),
an "in" value if allocate=TRUE
and "out" when allocate=FALSE */
const char* table_name, /*!< in: table name */
mem_heap_t* heap, /*!< in/out: temporary memory heap */
const rec_t* rec, /*!< in: SYS_INDEXES record */
ibool allocate, /*!< in: TRUE=allocate *index,
FALSE=fill in a pre-allocated
*index */
dict_index_t** index) /*!< out,own: index, or NULL */
{
const byte* field;
ulint len;
ulint name_len;
char* name_buf;
index_id_t id;
ulint n_fields;
ulint type;
ulint space;
if (allocate) {
/* If allocate=TRUE, no dict_index_t will
be supplied. Initialize "*index" to NULL */
*index = NULL;
}
if (UNIV_UNLIKELY(rec_get_deleted_flag(rec, 0))) {
return(dict_load_index_del);
}
if (UNIV_UNLIKELY(rec_get_n_fields_old(rec) != 9)) {
return("wrong number of columns in SYS_INDEXES record");
}
field = rec_get_nth_field_old(rec, 0/*TABLE_ID*/, &len);
if (UNIV_UNLIKELY(len != 8)) {
err_len:
return("incorrect column length in SYS_INDEXES");
}
if (!allocate) {
/* We are reading a SYS_INDEXES record. Copy the table_id */
memcpy(table_id, (const char*)field, 8);
} else if (memcmp(field, table_id, 8)) {
/* Caller supplied table_id, verify it is the same
id as on the index record */
return(dict_load_index_id_err);
}
field = rec_get_nth_field_old(rec, 1/*ID*/, &len);
if (UNIV_UNLIKELY(len != 8)) {
goto err_len;
}
id = mach_read_from_8(field);
rec_get_nth_field_offs_old(rec, 2/*DB_TRX_ID*/, &len);
if (UNIV_UNLIKELY(len != DATA_TRX_ID_LEN && len != UNIV_SQL_NULL)) {
goto err_len;
}
rec_get_nth_field_offs_old(rec, 3/*DB_ROLL_PTR*/, &len);
if (UNIV_UNLIKELY(len != DATA_ROLL_PTR_LEN && len != UNIV_SQL_NULL)) {
goto err_len;
}
field = rec_get_nth_field_old(rec, 4/*NAME*/, &name_len);
if (UNIV_UNLIKELY(name_len == UNIV_SQL_NULL)) {
goto err_len;
}
name_buf = mem_heap_strdupl(heap, (const char*) field,
name_len);
field = rec_get_nth_field_old(rec, 5/*N_FIELDS*/, &len);
if (UNIV_UNLIKELY(len != 4)) {
goto err_len;
}
n_fields = mach_read_from_4(field);
field = rec_get_nth_field_old(rec, 6/*TYPE*/, &len);
if (UNIV_UNLIKELY(len != 4)) {
goto err_len;
}
type = mach_read_from_4(field);
if (UNIV_UNLIKELY(type & (~0 << DICT_IT_BITS))) {
return("unknown SYS_INDEXES.TYPE bits");
}
field = rec_get_nth_field_old(rec, 7/*SPACE*/, &len);
if (UNIV_UNLIKELY(len != 4)) {
goto err_len;
}
space = mach_read_from_4(field);
field = rec_get_nth_field_old(rec, 8/*PAGE_NO*/, &len);
if (UNIV_UNLIKELY(len != 4)) {
goto err_len;
}
if (allocate) {
*index = dict_mem_index_create(table_name, name_buf,
space, type, n_fields);
} else {
ut_a(*index);
dict_mem_fill_index_struct(*index, NULL, NULL, name_buf,
space, type, n_fields);
}
(*index)->id = id;
(*index)->page = mach_read_from_4(field);
ut_ad((*index)->page);
return(NULL);
}
> mysqld.exe!dict_load_index_low(unsigned char * table_id=0x1fc2d078, const char * table_name=0x1fc2cf08, mem_block_info_struct * heap=0x1fc2d008, const unsigned char * rec=0x17804224, unsigned long allocate=1, dict_index_struct * * index=0x21efe4cc) Line 1359 C
mysqld.exe!dict_load_indexes(dict_table_struct * table=0x1fc2cd78, mem_block_info_struct * heap=0x1fc2d008, dict_err_ignore ignore_err=DICT_ERR_IGNORE_NONE) Line 1422 + 0x27 bytes C
mysqld.exe!dict_load_table(const char * name=0x005081c8, unsigned long cached=1, dict_err_ignore ignore_err=DICT_ERR_IGNORE_NONE) Line 1858 + 0x14 bytes C
mysqld.exe!dict_load_table_on_id(unsigned __int64 table_id=15) Line 2033 + 0x27 bytes C
mysqld.exe!dict_table_get_on_id_low(unsigned __int64 table_id=15) Line 905 + 0xd bytes C
mysqld.exe!row_purge_parse_undo_rec(purge_node_struct * node=0x1fc221c0, unsigned long * updated_extern=0x21eff570, que_thr_struct * thr=0x1fc22158) Line 684 + 0xd bytes C
mysqld.exe!row_purge(purge_node_struct * node=0x1fc221c0, que_thr_struct * thr=0x1fc22158) Line 758 + 0x21 bytes C
mysqld.exe!row_purge_step(que_thr_struct * thr=0x1fc22158) Line 805 + 0xd bytes C
mysqld.exe!que_thr_step(que_thr_struct * thr=0x1fc22158) Line 1247 + 0x9 bytes C
mysqld.exe!que_run_threads_low(que_thr_struct * thr=0x1fc22158) Line 1305 + 0x9 bytes C
mysqld.exe!que_run_threads(que_thr_struct * thr=0x1fc22158) Line 1342 + 0x9 bytes C
mysqld.exe!trx_purge(unsigned long limit=20) Line 1196 + 0x9 bytes C
mysqld.exe!srv_master_do_purge() Line 2687 + 0xc bytes C
mysqld.exe!srv_master_thread(void * arg=0x00000000) Line 3002 C
kernel32.dll!764333aa()
[Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll]
ntdll.dll!77009ef2()
ntdll.dll!77009ec5()