Fix for bug #52115 mysqli_result::fetch_all returns null, not an empty array

Fix for bug #52115 mysqli_result::fetch_all returns null, not an empty array

Handle problems in the row_decoder, return type used to be void,
now it can return on problems.

Handle problems in the row_decoder, return type used to be void,
now it can return on problems.

Fix possible crashes, in case of OOM, due to half-baken
objects.

Fix possible crashes, in case of OOM, due to half-baken
objects.

Handle the situation when MYSQLND_PROTOCOL's methods return NULL.
mysqlnd should not crash but gracefully return with an error.

Handle the situation when MYSQLND_PROTOCOL's methods return NULL.
mysqlnd should not crash but gracefully return with an error.

Handle OOM in the code that generates PS Execute requests
to the server. Fixes crashes in case of OOM.

Handle OOM in the code that generates PS Execute requests
to the server. Fixes crashes in case of OOM.

Check set->data for validity before using it.
Prevents crashes after OOM.

Check set->data for validity before using it.
Prevents crashes after OOM.

Allow overloading of mysqlnd_result_meta_init().
Add free space for future hooks.

Allow overloading of mysqlnd_result_meta_init().
Add free space for future hooks.

- Give possibility to overload mysqlnd_result_init().
- Always use conn->m->stmt_init instead of mysqlnd_stmt_init()

- Give possibility to overload mysqlnd_result_init().
- Always use conn->m->stmt_init instead of mysqlnd_stmt_init()

- initialize some variables
- initialize the methods in a shorter way, use the compiler.
= on structures copies them. Allows also exportability of
the methods.

- initialize some variables
- initialize the methods in a shorter way, use the compiler.
= on structures copies them. Allows also exportability of
the methods.

OOM stability fixes

OOM stability fixes

Handle OOM in mysqlnd_res::store_result_fetch_data

Handle OOM in mysqlnd_res::store_result_fetch_data

Handle OOM in mysqlnd_fetch_row_buffered_c()

Handle OOM in mysqlnd_fetch_row_buffered_c()

Handle OOM in mysqlnd_fetch_row_unbuffered_c()