t1: relation_id: 1 k: 'test' v: 'yes' version: 1 t2: relation_id: 2 k: 'test' v: 'yes' version: 1 t3: relation_id: 3 k: 'test' v: 'yes' version: 1 mt_1: relation_id: 4 k: 'tag1' v: 'val1' version: 1 mt_2: relation_id: 4 k: 'tag2' v: 'val2' version: 1 mt_3: relation_id: 4 k: 'tag3' v: 'val3' version: 1 mt_4: relation_id: 4 k: 'tag4' v: 'val4' version: 1 rv3_t1: relation_id: 8 k: 'testing' v: 'added in relation version 3' version: 3 rv3_t2: relation_id: 8 k: 'testing two' v: 'added in relation version 3' version: 3 rv3_t3: relation_id: 8 k: 'testing three' v: 'added in relation version 3' version: 3 rv4_t1: relation_id: 8 k: 'testing' v: 'added in relation version 3' version: 4 rv4_t2: relation_id: 8 k: 'testing two' v: 'modified in relation version 4' version: 4