* New option 'database' for Redis class constructor
Selecting database is very common action after connecting to Redis. This simplifies lazy connecting to Redis, when requested database will be selected after first command.
* More specific exception message when invalid auth or database number is provided
Before it was just 'Redis server went away'
* Rename reselect_db method to redis_select_db and slightly optimise it
Right now we can't implement `HELLO` command to switch protocol
because we don't support new reply types that come with RESP3.
But we can use `HELLO` reply to expose some server information.
Redis and Valkey doesn't consider command as invalid if order of arguments
is changed but other servers like DragonflyDB does.
In this commit `SET` command is fixed to more strictly follow the specs.
Also fixed usage of `zend_tmp_string` for `ifeq` argument.
For an error reply we're starting at `buf + 1` so we want `len - 1`. As
a sanity check we now return early if `len < 1`.
Also, make certain that len > 2 for our special detection of `*-1` since
we're doing `memcmp(buf + 1, "-1", 2);`
Adds an option that instructs PhpRedis to not serialize or compress
numeric values. Specifically where `Z_TYPE_P(z) == IS_LONG` or
`Z_TYPE_P(z) == IS_DOUBLE`.
This flag lets the user enable serialization and/or compression while
still using the various increment/decrement command (`INCR`, `INCRBY`,
`DECR`, `DECRBY`, `INCRBYFLOAT`, `HINCRBY`, and `HINCRBYFLOAT`).
Because PhpRedis can't be certain that this option was enabled when
writing keys, there is a small runtime cost on the read-side that tests
whether or not the value its reading is a pure integer or floating point
value.
See #23
We recently updated PhpRedis to handle `SCAN` cursors > 2^63 as strings
(as internally PHP integers are longs).
However, the `redis_build_scan_cmd` took the cursor as a long, which
would overflow if the value was > `2^63`.
This commit simply changes the function to take a `uint64_t` and call
our specific `redis_append_sstr_u64` so we send the cursor to Redis
correctly.
Fixes#2454.
In library.c, there are currently two methods for constructing AUTH command, so we can reuse code from redis_sock_append_auth also in redis_sock_auth_cmd method
