У меня три таблицы mysql:
Заявление о проблемах: У меня есть клиенты 50000+, я хочу найти клиента, у которого есть запрос на восстановление.
Проблема решена и работает правильно, но проблема в том, что запрос занимает до 30 минут или долго.
Пожалуйста, объясните мне, как уменьшить время, затрачиваемое на запрос, или как я могу закрепить поиск?
Здесь quickhelp ERD таблиц mysql:
Снова я даю понять, проблема решена и работает нормально, но запрос занимает слишком много времени до 30 минут из-за большого количества клиентов и жалоб в базе данных
Есть ли какой-либо метод, с помощью которого можно сократить время запроса или закрепить поиск?
JAVA CODE У меня есть два метода:
Примечание: метод2 вызывается в методе 1
Method1:
public ArrayList<CustomerRegistrationBean> getMultiSelectionCustomersProfiles(int selectedCountryId,
int selectedZondId, int selectedRegionId, int selectedCityId, int selectedAreaId,
int[] selectedMarkets, int selectedMOID, String searchStr, String userStatus,
int selectedCatID, int[] selectedSubCategoryIds, int[] selectedDeprtIds) {
//System.out.println("getSelectedCustomersProfiles calles :" + searchStr);
// System.out.print("getSelected Customers");
// System.out.print("Market ID Model :" + marketId);4
ConnectionHandler conHandler = ConnectionHandler.getConnectionHandler();
Connection con = conHandler.getConnection();
Statement stmt = null;
ArrayList<CustomerRegistrationBean> list = new ArrayList<CustomerRegistrationBean>();
try {
ResultSet rs = null;
stmt = con.createStatement();
String selectQry = "SELECT cs.*, m.'NAME' as marketName, m.ID as marketID, category.'CATEGORY' as category, "
+ " area.'NAME' as areaName, area.'ID' as areaID, c.'NAME' as cityName,"
+ " c.'ID' as cityID, r.'NAME' as regionName, r.'ID' as regionID, z.name as zoneName,"
+ " z.ID as zoneID, ctr.name as countryName, ctr.'ID' as countryID, "
+ " color.NAME color ,brand.NAME brand, \n"
+ " vehicletype.'NAME' vehicleType, \n"
+ " manufacturer.'NAME' as 'manufacturer' ,\n"
+ " brand.'MANUFACTURER_ID' as manfct_id,\n"
+ " cs.'BRAND_ID' as brandID,\n"
+ " cs.'VEHICLE_TYPE_ID' as vhcltypeId,\n"
+ " cs.'COLOR_ID' as colorID,\n"
+ " ul.'NAME' as createdBy ";
if (selectedMOID > 0) {
selectQry += ", mmb.'MO_ID' as moID, mo.'NAME' AS moName ";
}
// if (selectedSurveyId > 0 && surveyStatus == 1) {
// selectQry += ", sr.* ";
// }
if (selectedDeprtIds.length > 0) {
selectQry += ", dpt.'NAME' as department ";
}
selectQry
+= " from customerprofile cs \n";
if (selectedMOID > 0) {
selectQry += " join mo_market_bridge mmb on mmb.'MARKET_ID' = cs.'MARKET_ID' \n"
+ " join marketofficer mo on mo.'MO_ID' = mmb.'MO_ID' ";
}
// if (selectedSurveyId > 0 && surveyStatus == 1) {
// selectQry += " LEFT OUTER JOIN survey_result sr on sr.'CUSTOMER_ID' = cs.'CUSTOMER_ID' ";
// }
selectQry
+= " join market m on cs.'MARKET_ID' = m.'ID'\n"
+ " join area area on area.'ID' = m.'AREA_ID'\n"
+ " join city c on c.'ID' = area.'CITY_ID'\n"
+ " join region r on r.'ID' = c.'REGION_ID'\n"
+ " join zone z on z.id = r.'ZONE_ID'\n"
+ " left outer join user_login ul on cs.'CREATED_BY' = ul.'USER_ID'\n"
+ " join country ctr on ctr.'ID' = z.country_id\n"
+ " LEFT OUTER JOIN category on cs.'SUB_CATEGORY_ID' = category.'CATEGORY_ID'\n"
+ " LEFT OUTER JOIN category_type on category.'CATEGORY_TYPE_ID' = category_type.'TYPE_ID'\n"
+ " LEFT OUTER JOIN color ON cs.COLOR_ID = color.COLOR_ID\n"
+ " LEFT OUTER JOIN brand ON cs.BRAND_ID = brand.BRAND_ID\n"
+ " LEFT OUTER JOIN manufacturer ON brand.'MANUFACTURER_ID' = manufacturer.'MANUFACTURER_ID'\n"
+ " LEFT OUTER JOIN vehicletype ON cs.'VEHICLE_TYPE_ID' = vehicletype.'TYPE_ID'\n";
if (selectedDeprtIds.length > 0) {
selectQry += "left join department_bridge dptb on dptb.'CUSTOMER_ID' = cs.'CUSTOMER_ID'\n"
+ "left join department dpt on dpt.'DEP_ID' = dptb.'DEPARTMENT_ID' ";
}
/*
String selectQry = "SELECT cs.*, m.'NAME' as marketName, m.ID as marketID, area.'NAME' as areaName, \n"
+ "area.'ID' as areaID, c.'NAME' as cityName, c.'ID' as cityID, r.'NAME' as regionName, \n"
+ "r.'ID' as regionID, z.name as zoneName, z.ID as zoneID, ctr.name as countryName, ctr.'ID' as countryID,\n"
+ "color.NAME color ,brand.NAME brand, vehicletype.'NAME' vehicleType, manufacturer.'NAME' as 'manufacturer', brand.'MANUFACTURER_ID' as manfct_id\n"
+ " ,cs.'BRAND_ID' as brandID\n"
+ " ,cs.'VEHICLE_TYPE_ID' as vhcltypeId\n"
+ " ,cs.'COLOR_ID' as colorID from customerprofile cs \n"
+ " join market m on cs.'MARKET_ID' = m.'ID'\n"
+ " join area area on area.'ID' = m.'AREA_ID'\n"
+ " join city c on c.'ID' = area.'CITY_ID'\n"
+ " join region r on r.'ID' = c.'REGION_ID'\n"
+ " join zone z on z.id = r.'ZONE_ID'\n"
+ " join country ctr on ctr.'ID' = z.country_id\n"
+ " LEFT OUTER JOIN color ON cs.COLOR_ID = color.COLOR_ID\n"
+ " LEFT OUTER JOIN brand ON cs.BRAND_ID = brand.BRAND_ID\n"
+ " LEFT OUTER JOIN manufacturer ON brand.'MANUFACTURER_ID' = manufacturer.'MANUFACTURER_ID'\n"
+ " LEFT OUTER JOIN vehicletype ON cs.'VEHICLE_TYPE_ID' = vehicletype.'TYPE_ID'";
*/
String whereQry = " where (cs.REG_CODE like '%" + searchStr + "%' "
+ " or cs.FULL_NAME like '%" + searchStr + "%' "
+ " or cs.CNIC like '%" + searchStr + "%' "
+ " or cs.CONTACT_NO_1 like '%" + searchStr + "%' "
+ " or cs.CONTACT_NO_2 like '%" + searchStr + "%' "
+ " or cs.SHOP_NAME like '%" + searchStr + "%') ";
if (userStatus == null || userStatus.trim().equals("")) {
userStatus = "0";
}
if (userStatus != null || !userStatus.trim().equals("")) {
whereQry += whereQry.trim().equals("") ? " Where " : " and ";
whereQry += " cs.status = '" + userStatus + "' ";
}
if (selectedCountryId > 0) {
whereQry += " and ctr.ID = " + selectedCountryId;
}
if (selectedZondId > 0) {
whereQry += " and z.ID = " + selectedZondId;
}
if (selectedRegionId > 0) {
whereQry += " and r.ID = " + selectedRegionId;
}
if (selectedCityId > 0) {
whereQry += " and c.ID = " + selectedCityId;
}
if (selectedAreaId > 0) {
whereQry += " and area.ID = " + selectedAreaId;
}
for (int i = 0; i < selectedMarkets.length; i++) {
System.out.println("selectedMarkets : " + selectedMarkets[i]);
if (i == 0) {
whereQry += " and (m.ID = " + selectedMarkets[0] + " ";
} else if (i > 0 && i < selectedMarkets.length) {
whereQry += " or m.ID = " + selectedMarkets[i];
} else if (i == selectedMarkets.length) {
whereQry += " or m.ID = " + selectedMarkets[selectedMarkets.length] + " ) ";
}
if (selectedMarkets.length - 1 == i) {
whereQry += " ) ";
}
}
//
// if (selectedMarketId > 0) {
// whereQry += " and m.ID = " + selectedMarketId;
// }
if (selectedMOID > 0) {
whereQry += " and mo.'MO_ID' = " + selectedMOID;
}
if (selectedCatID > 0) {
whereQry += " and category_type.'TYPE_ID' = " + selectedCatID;
}
// if (selectedSubCategory > 0) {
// whereQry += " and category.'CATEGORY_ID' = " + selectedSubCategory;
//}
for (int i = 0; i < selectedSubCategoryIds.length; i++) {
System.out.println(selectedSubCategoryIds[i]);
if (i == 0) {
whereQry += " and (category.'CATEGORY_ID' = " + selectedSubCategoryIds[0] + " ";
} else if (i > 0 && i < selectedSubCategoryIds.length) {
whereQry += " or category.'CATEGORY_ID' = " + selectedSubCategoryIds[i];
} else if (i == selectedSubCategoryIds.length) {
whereQry += " or category.'CATEGORY_ID' = " + selectedSubCategoryIds[selectedSubCategoryIds.length] + " ) ";
}
if (selectedSubCategoryIds.length - 1 == i) {
whereQry += " ) ";
}
}
// if (selectedDeprtIds.length > 0) {
for (int i = 0; i < selectedDeprtIds.length; i++) {
System.out.println(selectedDeprtIds[i]);
if (i == 0) {
whereQry += " and (dpt.'DEP_ID' = " + selectedDeprtIds[0] + " ";
} else if (i > 0 && i < selectedDeprtIds.length) {
whereQry += " or dpt.'DEP_ID' = " + selectedDeprtIds[i];
} else if (i == selectedDeprtIds.length) {
whereQry += " or dpt.'DEP_ID' = " + selectedDeprtIds[selectedDeprtIds.length] + " ) ";
}
if (selectedDeprtIds.length - 1 == i) {
whereQry += " ) ";
}
}
//}
// if (selectedDeptId > 0) {
// whereQry += "and dpt.'DEP_ID' = " + selectedDeptId;
// }
// if (selectedSurveyId > 0) {
//
// whereQry += " and m.'ID' = " + selectedMarketId;
//
// if (surveyStatus == 1) {
// whereQry += " and sr.'SURVEY_ID' = " + selectedSurveyId;
// } else {
// whereQry += " and cs.CUSTOMER_ID not in (SELECT CPPP.CUSTOMER_ID FROM (SELECT * FROM survey_result sr where sr.'SURVEY_ID' = " + selectedSurveyId + " ) CPPP)";
// }
// }
selectQry += whereQry;
// System.out.println("selected method in Model 2nd calles");
System.out.print(selectQry);
rs = stmt.executeQuery(selectQry);
CustomerRegistrationBean p;
while (rs.next()) {
p = new CustomerRegistrationBean();
//
p.setRegCode(rs.getString("REG_CODE"));
p.setFullName(rs.getString("FULL_NAME"));
p.setContactNo1(rs.getString("CONTACT_NO_1"));
p.setContactNo2(rs.getString("CONTACT_NO_2"));
p.setEmail(rs.getString("EMAIL"));
p.setShopAddress(rs.getString("SHOP_ADDRESS"));
p.setShopName(rs.getString("SHOP_NAME"));
p.setWhatsAppNo(rs.getString("WHATSAPP_NO"));
p.setRemarks(rs.getString("REMARKS"));
p.setLatitude(rs.getDouble("LATITUDE"));
p.setLongitude(rs.getDouble("LONGITUDE"));
p.setCnicNo(rs.getString("CNIC"));
p.setPassportNo(rs.getString("PASSPORT_NO"));
p.setEntryDate(rs.getDate("ENTRY_DATE"));
p.setWokringSince(rs.getDate("WORKING_SINCE"));
p.setDob(rs.getDate("DATE_OF_BIRTH"));
p.setMarketName(rs.getString("marketName"));
p.setCountryName(rs.getString("countryName"));
p.setCityName(rs.getString("cityName"));
p.setAreaName(rs.getString("areaName"));
p.setRegion(rs.getString("regionName"));
p.setZone(rs.getString("zoneName"));
p.setSelectedMarketId(rs.getInt("marketID"));
p.setSelectedCountryId(rs.getInt("countryID"));
p.setSelectedCityId(rs.getInt("cityID"));
p.setSelectedRegionId(rs.getInt("regionID"));
p.setSelectedAreaId(rs.getInt("areaID"));
p.setSelectedZondId(rs.getInt("zoneID"));
p.setRegNo(rs.getString("REG_NO"));
p.setEngineNo(rs.getString("ENGINE_NO"));
p.setChassisNo(rs.getString("CHASSIS_NO"));
p.setSaleRefNo(rs.getString("SALE_REF_NO"));
p.setModelYear(rs.getString("MODEL_YEAR"));
p.setManufacturerId(rs.getInt("manfct_id"));
p.setBrandId(rs.getInt("brandID"));
p.setColorID(rs.getInt("colorID"));
p.setVchlTypeID(rs.getInt("vhcltypeId"));
p.setCallFrequency(rs.getString("CALL_FREQUENCY"));
p.setUserStatus(rs.getInt("STATUS") + "");
p.setCategoryName(rs.getString("category"));
p.setSelectedCatID(rs.getInt("CATEGORY_TYPE_Id"));
p.setSelectedSubCategory(rs.getInt("SUB_CATEGORY_ID"));
// p.setSelectedMOID(rs.getInt("moID"));
// p.setMoName(rs.getString("moName"));
p.setCustomerId(rs.getInt("CUSTOMER_ID"));
p.setCreatedBy(rs.getString("createdBy"));
double testAmount = searchRecoveryRequest(p.getRegCode());
System.out.println("testAmount : " + testAmount);
if (selectedMOID > 0) {
p.setSelectedMOID(rs.getInt("moID"));
p.setMoName(rs.getString("moName"));
}
if (selectedDeprtIds.length > 0) {
p.setDepartment(rs.getString("department"));
}
// System.out.println("p.getDepartment()" + p.getDepartment());
list.add(p);
p = null;
}
} catch (Exception e) {
System.out.println(e);
} finally {
try {
if (stmt != null) {
stmt.close();
}
} catch (SQLException e) {
System.out.println(e);
}
conHandler.freeConnection(con);
}
return list;
}
Method2
public double searchRecoveryRequest(String custRegCode) {
double recoveryAmount = 0;
ConnectionHandler conHandler = ConnectionHandler.getConnectionHandler();
Connection con = conHandler.getConnection();
Statement stmt = null;
try {
ResultSet rs = null;
stmt = con.createStatement();
String selectQry = "select re.'AMOUNT' as amount \n"
+ "from complain cmp\n"
+ "join customerprofile cp on cp.'REG_CODE' = cmp.'CUST_REG_NO'\n"
+ "JOIN 'recovery' re ON re.'COMPLAINT_ID' = cmp.'CODE'\n"
+ "where cmp.'CUST_REG_NO' = '" + custRegCode + "' and cmp.'STATUS_CODE' <> 'CLOSED'\n";
System.out.println(selectQry);
rs = stmt.executeQuery(selectQry);
if(rs.next()){
recoveryAmount = rs.getDouble("amount");
}
} catch (Exception e) {
System.out.println(e);
} finally {
try {
if (stmt != null) {
stmt.close();
}
} catch (SQLException e) {
System.out.println(e);
}
conHandler.freeConnection(con);
}
return recoveryAmount;
}
Вот таблицы создания заявлений
Таблица профилей клиентов
CREATE TABLE 'crm'.'customerprofile' (
'REG_CODE' varchar(55) DEFAULT NULL,
'FULL_NAME' varchar(55) DEFAULT NULL,
'CNIC' varchar(55) DEFAULT NULL,
'DATE_OF_BIRTH' datetime DEFAULT NULL,
'EMAIL' varchar(200) DEFAULT NULL,
'CONTACT_NO_1' varchar(45) DEFAULT NULL,
'LONGITUDE' decimal(11,8) NOT NULL,
'ENTRY_DATE' datetime DEFAULT NULL,
'SHOP_NAME' varchar(150) DEFAULT NULL,
'MARKET_ID' int(11) unsigned DEFAULT NULL,
'CUSTOMER_ID' int(10) unsigned NOT NULL AUTO_INCREMENT,
'VEHICLE_TYPE_ID' int(10) DEFAULT NULL,
'SALE_REF_NO' varchar(255) DEFAULT NULL,
'MODEL_YEAR' varchar(4) DEFAULT NULL,
'STATUS' tinyint(4) DEFAULT NULL,
) ENGINE=InnoDB AUTO_INCREMENT=48608 DEFAULT CHARSET=utf8;
Таблица жалоб
CREATE TABLE 'crm'.'complain' (
'CODE' int(11) NOT NULL AUTO_INCREMENT,
'COMPLAIN_NO' varchar(10) DEFAULT NULL,
'DATE' date DEFAULT NULL,
'COMPLAIN_TYPE_CODE' int(11) NOT NULL,
'COMPLAIN_REASON_CODE' int(11) NOT NULL,
'DESCRIPTION' varchar(4000) DEFAULT NULL,
'STATUS_CODE' int(10) DEFAULT NULL,
'STAGE_CODE' int(11) DEFAULT NULL,
'CUST_REG_NO' varchar(55) NOT NULL,
'CREATION_TIMESTAMP' timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
'CREATED_BY' int(11) DEFAULT NULL,
'COMPLAIN_SUBTYPE_CODE' int(11) NOT NULL,
'PARTS_ID' int(10) unsigned NOT NULL,
'LEVEL_ID' int(2) DEFAULT NULL,
'LAST_MODIFIED' timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
'PRIORITY_CODE' int(10) unsigned NOT NULL DEFAULT '5',
'TAT_STATUS_CODE' int(10) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY ('CODE'),
KEY 'STATUS_CODE_FK' ('STATUS_CODE'),
KEY 'STAGE_CODE' ('STAGE_CODE'),
CONSTRAINT 'STAGE_CODE' FOREIGN KEY ('STAGE_CODE') REFERENCES 'stage' ('CODE') ON DELETE NO ACTION ON UPDATE NO ACTION,
CONSTRAINT 'STATUS_CODE_FK' FOREIGN KEY ('STATUS_CODE') REFERENCES 'status' ('CODE') ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=3478 DEFAULT CHARSET=latin1;
Восстановить таблицу
CREATE TABLE 'crm'.'recovery' (
'RECOVERY_ID' int(10) NOT NULL AUTO_INCREMENT,
'COMPLAINT_ID' int(10) DEFAULT NULL,
'AMOUNT' double DEFAULT NULL,
'AGING_DATE' datetime DEFAULT NULL,
'RO_ID' int(11) DEFAULT NULL,
PRIMARY KEY ('RECOVERY_ID'),
UNIQUE KEY 'RECOVERY_ID_UNIQUE' ('RECOVERY_ID'),
KEY 'FK_RO_ID_idx' ('RO_ID'),
CONSTRAINT 'FK_RO_ID' FOREIGN KEY ('RO_ID') REFERENCES 'marketofficer' ('MO_ID') ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
Ваша проблема очень проста, у вас нет ключей/указателей на crm
. customerprofile
.
Вы должны добавить ключ в столбец REG_CODE
в таблице crm
. customerprofile
.
Каждый раз, когда вы пытаетесь идентифицировать клиента своим reg_code, mysql должен прочитать 50000 строк для поиска.
Еще один, который будет полезен: индекс в CUST_REG_NO
в таблице crm
. complain
SHOW CREATE TABLE table
для каждой задействованной таблицы, которая дает нам больше полезной информации, чем ERD. Кроме того, запросы о производительности также должны включать вывод изEXPLAIN query