sql - Calling Stored Procedure in Java class -


this question has answer here:

how call stored procedure in java class? , declare string variable equal it?

genorfinalsp(name of sp)

begin  declare temp_or varchar(50);  call genorsp(xrco, xreceipt, @tempcount, @temporno);  set xror = @temporno;  while xror = (select tpay_receipt_no tbl_tax_payment tpay_receipt_no = xror)              call genorsp(xrco, xreceipt, @tempcount, @temporno); end while;  set xror = @temporno;  set xcount = @tempcount;  end

for example want declare string variable test equal it.

string test = genorfinalsp();

updated: code of genorsp

begin  declare var_max bigint(20); declare temp_count bigint(20); declare var_year varchar(4); declare var_tempyear varchar(4); declare var_end int(1);  set temp_count = 0; set var_end  = 0; set var_year = year(current_timestamp);      select ( case when max(tpay_counter) null 0 else max(tpay_counter) end ), year (date(tpay_issued_date)) var_max, var_tempyear tbl_tax_payment tpay_issued_date = (select max(tpay_issued_date) tbl_tax_payment rco_code = xrco , receipt_type = xreceipt , year(date(tpay_issued_date)) = year(current_date) , tpay_counter = (         select             max(tpay_counter)                     tbl_tax_payment                     rco_code = xrco         , receipt_type = xreceipt         , year (date(tpay_issued_date)) = year (current_date)     )) , tpay_counter = (             select                 max(tpay_counter)                             tbl_tax_payment                         rco_code = xrco         , receipt_type = xreceipt             , year (date(tpay_issued_date)) = year (current_date)         );            if var_year <> var_tempyear              set var_end = (select if(year(current_date) = var_tempyear,0,1));              if var_end = 1                  set var_max = 0;              end if;          end if;           if var_max = 0               set temp_count = 1;             set var_or = concat(xreceipt, var_year, '-', xrco, '-', lpad(temp_count, 6, '0'));          else               set temp_count = var_max + 1;             set var_or = concat(xreceipt, var_year, '-', xrco, '-', lpad(temp_count, 6, '0'));          end if;               set var_count = temp_count;    end

the answer generic problem , rest of cases, may benefited ;-) code work if procedure don't have arguments , won't return back.

connection connection = getyourdatabaseconnection();         callablestatement callablestatement = connection.preparecall("{ call genorfinalsp() }"); resultset resultset = callablestatement.executequery(); //or //int rowsupdated = callablestatement.executeupdate();

if interested in pass arguments procedure 

callablestatement callablestatement = connection.preparecall("{call genorfinalsp(?,?)}"); callablestatement.setstring(1, firstargu); callablestatement.setstring(2, secondargu) resultset resultset = callablestatement.executequery();

and if interested in pass arguments , want return values procedure in case 2 returned values, call like

callablestatement callablestatement = connection.preparecall("{call genorfinalsp(?,?,?,?)}"); callablestatement.setstring(1, firstargu); callablestatement.setstring(2, secondargu) callablestatement.registeroutparameter(3, types.varchar); callablestatement.registeroutparameter(4, types.varchar); resultset resultset = callablestatement.executequery(); string firstreturnedresult = callablestatement.getstring(3);//getting returned result string secondreturnedresult = callablestatement.getstring(4);//getting returned result

note: call various usecases demand change procedure accordingly


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