ALTER TABLE rc_video_t1
    ADD INDEX inx_src_img (src_img) USING BTREE ;

ALTER TABLE rc_video_t1
    ADD INDEX inx_src_vid (src_video_id) USING BTREE ;

ALTER TABLE rc_video_t2
    ADD INDEX inx_t2_src_vid (src_video_id) USING BTREE ;
ALTER TABLE rc_video_t2
    ADD INDEX inx_t2_src_bid (batch_id) USING BTREE ;

-- ALTER TABLE rc_video_batch
--     ADD INDEX inx_vb_vid (src_video_id) USING BTREE ;

ALTER TABLE rc_video_batch
    ADD INDEX inx_vb_bid (batch_id) USING BTREE ;

ALTER TABLE rc_video_user
    ADD INDEX inx_vu_uid (user_id) USING BTREE ;