A.oc_id, A.snapshot_id, A.event_id, A.file_id, B.file_title, B.dir_id, B.file_url, B.file_ext, B.file_size, B.file_author, B.file_desc, B.uploaded_by AS uploader_id, C.account_name AS uploader_name, B.uploaded_at INSERT INTO snapshot_attach oc_id, snapshot_id, event_id, file_id, created_by, created_at, #{ocId ,jdbcType=BIGINT}, #{snapshotId ,jdbcType=BIGINT}, #{eventId ,jdbcType=BIGINT}, #{fileId ,jdbcType=BIGINT}, #{createdBy ,jdbcType=BIGINT}, #{createdAt ,jdbcType=TIMESTAMP}, DELETE FROM snapshot_attach WHERE 1 = 1 AND oc_id = #{ocId ,jdbcType=BIGINT} AND snapshot_id = #{snapshotId ,jdbcType=BIGINT} AND event_id = #{eventId ,jdbcType=BIGINT} AND file_id = #{fileId ,jdbcType=BIGINT}