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DB-813 add deleted rows count to the cursor interrupt callback. may be useful to count garbage rows.

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This commit is contained in:
Rik Prohaska 2015-02-16 10:41:20 -05:00
parent d7cb68be9c
commit d0fa28aa87
5 changed files with 9 additions and 7 deletions
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2
buildheader/make_tdb.cc
View file

@ -614,7 +614,7 @@ static void print_dbc_struct (void) {
"int (*c_getf_set_range_reverse)(DBC *, uint32_t, DBT *, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_set_range_with_bound)(DBC *, uint32_t, DBT *k, DBT *k_bound, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_set_bounds)(DBC*, const DBT*, const DBT*, bool pre_acquire, int out_of_range_error)",
"void (*c_set_check_interrupt_callback)(DBC*, bool (*)(void*), void *)",
"void (*c_set_check_interrupt_callback)(DBC*, bool (*)(void*, uint64_t deleted_rows), void *)",
"void (*c_remove_restriction)(DBC*)",
"char _internal[512]",
NULL};

2
ft/ft-internal.h
View file

@ -655,7 +655,7 @@ int toku_upgrade_msn_from_root_to_header(int fd, FT ft) __attribute__((nonnull))
// When lock_only is true, the callback only does optional lock tree locking.
typedef int (*FT_GET_CALLBACK_FUNCTION)(uint32_t keylen, const void *key, uint32_t vallen, const void *val, void *extra, bool lock_only);
typedef bool (*FT_CHECK_INTERRUPT_CALLBACK)(void *extra);
typedef bool (*FT_CHECK_INTERRUPT_CALLBACK)(void *extra, uint64_t deleted_rows);
struct ft_cursor;
int toku_ft_search(FT_HANDLE ft_handle, ft_search *search, FT_GET_CALLBACK_FUNCTION getf, void *getf_v, struct ft_cursor *ftcursor, bool can_bulk_fetch);

6
ft/ft-ops.cc
View file

@ -3385,7 +3385,7 @@ ok: ;
idx++;
if (idx >= bn->data_buffer.num_klpairs() || ((n_deleted % 64) == 0 && !search_continue(search, key, keylen))) {
STATUS_INC(FT_CURSOR_SKIP_DELETED_LEAF_ENTRY, n_deleted);
if (ftcursor->interrupt_cb && ftcursor->interrupt_cb(ftcursor->interrupt_cb_extra)) {
if (ftcursor->interrupt_cb && ftcursor->interrupt_cb(ftcursor->interrupt_cb_extra, n_deleted)) {
return TOKUDB_INTERRUPTED;
}
return DB_NOTFOUND;
@ -3394,7 +3394,7 @@ ok: ;
case FT_SEARCH_RIGHT:
if (idx == 0) {
STATUS_INC(FT_CURSOR_SKIP_DELETED_LEAF_ENTRY, n_deleted);
if (ftcursor->interrupt_cb && ftcursor->interrupt_cb(ftcursor->interrupt_cb_extra)) {
if (ftcursor->interrupt_cb && ftcursor->interrupt_cb(ftcursor->interrupt_cb_extra, n_deleted)) {
return TOKUDB_INTERRUPTED;
}
return DB_NOTFOUND;
@ -3408,6 +3408,8 @@ ok: ;
assert_zero(r); // we just validated the index
if (!le_val_is_del(le, ftcursor->is_snapshot_read, ftcursor->ttxn)) {
STATUS_INC(FT_CURSOR_SKIP_DELETED_LEAF_ENTRY, n_deleted);
if (ftcursor->interrupt_cb)
ftcursor->interrupt_cb(ftcursor->interrupt_cb_extra, n_deleted);
goto got_a_good_value;
}
}

4
src/tests/test_cursor_interrupt.cc
View file

@ -95,12 +95,12 @@ PATENT RIGHTS GRANT:
int num_interrupts_called;
static bool interrupt(void* extra UU()) {
static bool interrupt(void* extra UU(), uint64_t rows UU()) {
num_interrupts_called++;
return false;
}
static bool interrupt_true(void* extra UU()) {
static bool interrupt_true(void* extra UU(), uint64_t rows UU()) {
num_interrupts_called++;
return true;
}

2
src/ydb_cursor.cc
View file

@ -767,7 +767,7 @@ c_remove_restriction(DBC *dbc) {
}
static void
c_set_check_interrupt_callback(DBC* dbc, bool (*interrupt_callback)(void*), void *extra) {
c_set_check_interrupt_callback(DBC* dbc, bool (*interrupt_callback)(void*, uint64_t), void *extra) {
toku_ft_cursor_set_check_interrupt_cb(dbc_ftcursor(dbc), interrupt_callback, extra);
}