Function add_sql_hint_table

db/sql_stmt_cache.c:398–425

}

static void add_sql_hint_table(char *sql_hint, char *sql_str, void *dta,
                               int dta_sz)
{
    int sql_hint_len = strlen(sql_hint) + 1;
    int sql_len = strlen(sql_str) + 1;
    int len = sql_hint_len + sql_len + dta_sz;
    sql_hint_hash_entry_type *entry = malloc(sizeof(*entry) + len);

    entry->sql_hint = entry->mem;
    memcpy(entry->sql_hint, sql_hint, sql_hint_len);

    entry->sql_str = entry->sql_hint + sql_hint_len;
    memcpy(entry->sql_str, sql_str, sql_len);

    entry->dta_sz = dta_sz;
    entry->dta = entry->sql_hint + sql_hint_len + sql_len;
    if (dta_sz)
        memcpy(entry->dta, dta, dta_sz);

    Pthread_mutex_lock(&gbl_sql_lock);
    if (lrucache_hasentry(sql_hints, &sql_hint) == 0) {
        lrucache_add(sql_hints, entry);
    } else {
        free(entry);
        logmsg(LOGMSG_ERROR, "Client BUG: Two threads using same SQL tag.\n");
    }
    Pthread_mutex_unlock(&gbl_sql_lock);
}

static void dump_sql_hint_entry(void *item, void *p)
{