select * from lab_resultmed and jyrq = #{jyrq} and yq = #{yq} and ybh = #{ybh} and xmdh = #{xmdh} select count(1) from lab_resultmed and jyrq = #{jyrq} and yq = #{yq} and ybh = #{ybh} delete from lab_resultmed where jyrq = #{jyrq} and yq = #{yq,jdbcType=CHAR} and ybh = #{ybh,jdbcType=VARCHAR} and xmdh = #{xmdh,jdbcType=VARCHAR} delete from lab_resultmed where jyrq = #{jyrq} and yq = #{yq,jdbcType=CHAR} and ybh = #{ybh,jdbcType=VARCHAR}