show statistics;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'statistics' at line 1
show spatial_ref_sys
--error ER_PARSE_ERROR
show system_variables;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'spatial_ref_sys
--error ER_PARSE_ERROR
show system_variables' at line 2
show geometry_columns;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'geometry_columns' at line 1
show nonexistent;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'nonexistent' at line 1
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Sergei Golubchik authored
This fixes MDEV-9538 Server crashes in check_show_access on SHOW STATISTICS MDEV-9539 Server crashes in make_columns_old_format on SHOW GEOMETRY_COLUMNS MDEV-9540 SHOW SPATIAL_REF_SYS and SHOW SYSTEM_VARIABLES return empty results with numerous warnings
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