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TokuuDB: add handlerton::discover_table_existence() method

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This commit is contained in:
Sergei Golubchik 2013-09-25 19:42:28 +02:00
parent 20031c6273
commit 828be0d9ba
1 changed files with 11 additions and 1 deletions
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12
storage/tokudb/hatoku_hton.cc
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@ -331,7 +331,8 @@ static int tokudb_rollback_to_savepoint(handlerton * hton, THD * thd, void *save
static int tokudb_savepoint(handlerton * hton, THD * thd, void *savepoint);
static int tokudb_release_savepoint(handlerton * hton, THD * thd, void *savepoint);
static int tokudb_discover_table(handlerton *hton, THD* thd, TABLE_SHARE *ts);
static int tokudb_discover(handlerton *hton, THD* thd, const char *db, const char *name, uchar **frmblob, size_t *frmlen) __attribute__ ((__unused__));
static int tokudb_discover_table_existence(handlerton *hton, const char *db, const char *name);
static int tokudb_discover(handlerton *hton, THD* thd, const char *db, const char *name, uchar **frmblob, size_t *frmlen);
static int tokudb_discover2(handlerton *hton, THD* thd, const char *db, const char *name, bool translate_name,uchar **frmblob, size_t *frmlen);
static int tokudb_discover3(handlerton *hton, THD* thd, const char *db, const char *name, char *path, uchar **frmblob, size_t *frmlen);
handlerton *tokudb_hton;
@ -498,6 +499,7 @@ static int tokudb_init_func(void *p) {
tokudb_hton->savepoint_release = tokudb_release_savepoint;
tokudb_hton->discover_table = tokudb_discover_table;
tokudb_hton->discover_table_existence = tokudb_discover_table_existence;
#if defined(MYSQL_HANDLERTON_INCLUDE_DISCOVER2)
tokudb_hton->discover2 = tokudb_discover2;
#endif
@ -1158,6 +1160,14 @@ static int tokudb_discover_table(handlerton *hton, THD* thd, TABLE_SHARE *ts) {
return res == ENOENT ? HA_ERR_NO_SUCH_TABLE : res;
}
static int tokudb_discover_table_existence(handlerton *hton, const char *db, const char *name) {
uchar *frmblob = 0;
size_t frmlen;
int res= tokudb_discover(hton, current_thd, db, name, &frmblob, &frmlen);
my_free(frmblob);
return res != ENOENT;
}
static int tokudb_discover(handlerton *hton, THD* thd, const char *db, const char *name, uchar **frmblob, size_t *frmlen) {
return tokudb_discover2(hton, thd, db, name, true, frmblob, frmlen);
}