MDEV-34823 Invalid arguments in ib_push_warning()
In the bug report MDEV-32817 it occurred that the function row_mysql_get_table_status() is outputting a fil_space_t* as if it were a numeric tablespace identifier. ib_push_warning(): Remove. Let us invoke push_warning_printf() directly. innodb_decryption_failed(): Report a decryption failure and set the dict_table_t::file_unreadable flag. This code was being duplicated in very many places. We return the constant value DB_DECRYPTION_FAILED in order to avoid code duplication in the callers and to allow tail calls. innodb_fk_error(): Report a FOREIGN KEY error. dict_foreign_def_get(), dict_foreign_def_get_fields(): Remove. This code was being used in dict_create_add_foreign_to_dictionary() in an apparently uncovered code path. That ib_push_warning() call would pass the integer i+1 instead of a pointer to NUL terminated string ("%s"), and therefore the call should have resulted in a crash. dict_print_info_on_foreign_key_in_create_format(), innobase_quote_identifier(): Add const qualifiers. row_mysql_get_table_error(): Replaces row_mysql_get_table_status(). Display no message on DB_CORRUPTION; it should be properly reported at the SQL layer anyway.
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