select count(1) from information_schema.TABLES where table_schema = DATABASE() AND table_name = #{tableName} CREATE TABLE ${tableName} LIKE long_term_demand_water insert into long_term_demand_water_${chanId} (id,tenant_id,application_id,create_at,update_at, data_date, data_year, data_month, data_day,calculate_date,data_type, total_water,evaporate_water,infiltrate_water,crop_water,chan_id) values (#{item.id},#{item.tenantId},#{item.applicationId},#{item.createAt},#{item.updateAt}, #{item.dataDate}, #{item.dataYear}, #{item.dataMonth}, #{item.dataDay},#{item.calculateDate},#{item.dataType}, #{item.totalWater},#{item.evaporateWater},#{item.infiltrateWater}, #{item.cropWater},#{item.chanId})