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MDEV-17171: RocksDB Tables do not have "Creation Date"

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Variant#5 of the patch:
- take creation date from the .frm file, like InnoDB does
- Update_time is in-memory only (like in InnoDB).
This commit is contained in:
Sergei Petrunia
2019-10-31 19:44:29 +03:00
committed by Oleksandr Byelkin
parent 162f475c4b
commit 9c72963d2a
19 changed files with 323 additions and 77 deletions
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17
storage/rocksdb/rdb_datadic.h
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@@ -1092,22 +1092,28 @@ class Rdb_tbl_def {
Rdb_tbl_def &operator=(const Rdb_tbl_def &) = delete;
explicit Rdb_tbl_def(const std::string &name)
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0) {
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0),
m_create_time(CREATE_TIME_UNKNOWN) {
set_name(name);
}
Rdb_tbl_def(const char *const name, const size_t len)
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0) {
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0),
m_create_time(CREATE_TIME_UNKNOWN) {
set_name(std::string(name, len));
}
explicit Rdb_tbl_def(const rocksdb::Slice &slice, const size_t pos = 0)
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0) {
: m_key_descr_arr(nullptr), m_hidden_pk_val(0), m_auto_incr_val(0),
m_create_time(CREATE_TIME_UNKNOWN) {
set_name(std::string(slice.data() + pos, slice.size() - pos));
}
~Rdb_tbl_def();
time_t get_creation_time();
time_t update_time = 0; // in-memory only value, maintained right here
void check_and_set_read_free_rpl_table();
/* Number of indexes */
@@ -1133,6 +1139,11 @@ class Rdb_tbl_def {
const std::string &base_tablename() const { return m_tablename; }
const std::string &base_partition() const { return m_partition; }
GL_INDEX_ID get_autoincr_gl_index_id();
private:
const time_t CREATE_TIME_UNKNOWN= 1;
// CREATE_TIME_UNKNOWN means "didn't try to read, yet"
// 0 means "no data available"
std::atomic<time_t> m_create_time;
};
/*