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}