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75ba5c815d
Constraint check is done on secondary index update. F.ex. DELETE does row_upd_sec_index_entry() and checks constraints in row_upd_check_references_constraints(). UPDATE is optimized for the case when order is not changed (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) and doesn't do row_upd_sec_index_entry(), so it doesn't check constraints. Since for versioned DELETE we do UPDATE actually, but expect behaviour of DELETE in terms of constraints, we should deny this optimization to get constraints checked. Fix wrong referenced table check when versioned DELETE inserts history in parent table. Set check_ref to false in this case. Removed unused dup_chk_only argument for row_ins_sec_index_entry() and added check_ref argument. MDEV-18057 fix was superseded by this fix and reverted. foreign.test: All key_type combinations: pk, unique, sec(ondary). |
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