SQLitening Support Forum

#INCLUDE "sqlitening.inc"

FUNCTION showit(sql AS STRING) AS STRING
 LOCAL sArray() AS STRING
 slselary sql,sArray(),"Q9"
 FUNCTION = JOIN$(sArray(),$CR) + $CR
END FUNCTION

FUNCTION PBMAIN AS LONG
 bern
 cj
END FUNCTION

SUB InsertData
 slexe  "insert into T1 values(1,10),(1,20),(2,10),(4,100)"
 slexe  "insert into T2 values(1,30),(1,40),(2,10)"
 slexe  "insert into T3 values(1,-200),(2,0),(3,-1)"
END SUB

FUNCTION Bern AS LONG

 LOCAL s AS STRING
 KILL   "temp.db3":IF ERR THEN ? STR$(ERRCLEAR)
 slopen "temp.db3","C"

 slexe  "create table if not exists T1 (surname1 int,Amount1 int)"
 slexe  "create table if not exists T2 (surname2 int,Amount2 int)"
 slexe  "create table if not exists T3 (surname3 int,Amount3 int)"
 InsertData

 '? ShowIt("select * from t1") + $CR + ShowIt("select * from t2") + $CR + ShowIt("select * from t3")

 s=  "WITH"
 s+="   TempT1(TT1Surname,TT1Total) AS (SELECT Surname1, Amount1"
 s+="     FROM T1),"
 s+="   TempT2(TT2Surname,TT2Total) AS (SELECT Surname2, Amount2"
 s+="     FROM T2),"
 s+="   SumT1( ST1Surname, ST1Total) AS (SELECT TT1Surname, TOTAL( TT1Total)"
 s+="     FROM TempT1 GROUP BY TT1Surname),"
 s+="   SumT2( ST2Surname, ST2Total) AS (SELECT TT2Surname, TOTAL( TT2Total)"
 s+="     FROM TempT2 GROUP BY TT2Surname),"
 s+="   SumT3( ST3Surname, ST3Total) AS (SELECT Surname3, TOTAL( Amount3)"
 s+="     FROM T3 GROUP BY Surname3)"
 s+=" SELECT ST3Surname as acct, ST1Total + ST2Total + ST3Total as amt"
 s+="   FROM SumT3"
 s+="   INNER JOIN SumT1 ON ST3Surname = ST1Surname"
 s+="   INNER JOIN SumT2 ON ST3Surname = ST2Surname"
 s+="   WHERE ST1Total + ST2Total <> ST3Total" 'made <> instead of subtract

 '? s,,"Sql"
 ?  ShowIt(s)
 'DIM sArray() AS STRING
 'slselAry s,sArray(),"Q9"
 '? JOIN$(sArray(),$CR),,FUNCNAME$
 slClose

END FUNCTION

FUNCTION CJ () AS LONG

 LOCAL sData(),sBind AS STRING, x AS LONG
 KILL   "temp.db3"
 slopen "temp.db3","C"

 slexe  "create table if not exists t1 (surname1 int,amt int)"     'charges table1
 slexe  "create table if not exists t2 (surname2 int,amt int)"     'charges table2
 slexe  "create table if not exists t3 (surname3 int,amt int)"     'payments
 slexe  "drop table if exists TempBalances
 slexe  "create table TempBalances(acct unique,amt)"
 InsertData

 'combine tables and payments
 slselary " select surname1,sum(amt),'t1' from t1 group by surname1"  +_     'charges table1
          " union "                                      +_
          " select surname2,sum(amt),'t2' from t2 group by surname2"  +_     'charges table2
          " union "                                      +_
          " select surname3,sum(amt),'t3' from t3 group by surname3",sData() 'payments table3

 'update TempBalances() from above sData()
 FOR x = 1 TO UBOUND(sdata,2)
  sBind = slBuildBindDat(sdata(1,x),"T") + slBuildBindDat(sData(2,x),"T")
  slexebind "Insert into TempBalances values(?,?) ON conflict(acct) DO update SET amt=amt+" + sData(2,x),sBind
 NEXT
 ? showit("select * from TempBalances"),,FUNCNAME$
 slclose
END FUNCTION

#INCLUDE "sqlitening.inc"

FUNCTION PBMAIN () AS LONG
 LOCAL sData(),sBind AS STRING, x AS LONG

 KILL   "temp.db3"
 slopen "temp.db3","C"

 slexe  "create table if not exists t1 (acct,amt)"     'charges table1
 slexe  "create table if not exists t2 (acct,amt)"     'charges table2
 slexe  "create table if not exists t3 (acct,amt)"     'payments
 slexe  "drop table if exists TempBalances;create table TempBalances(acct unique,amt)"

 slexe  "insert into t1 values(1,1000),(2,2000),(3,3000)"             'charges t1
 slexe  "insert into t2 values(4,4000)"                               'charges t2
 slexe  "insert into t3 values(4,-2000),(1,-500),(2,-1000),(3,-1500)" 'apply payments

 'combine tables and payments
 slselary " select acct,sum(amt),'t1' from t1 group by acct"  +_     'charges table1
          " union "                                      +_
          " select acct,sum(amt),'t2' from t2 group by acct"  +_     'charges table2
          " union "                                      +_
          " select acct,sum(amt),'t3' from t3 group by acct",sData() 'payments table3

 'update TempBalances() from above sData()
 FOR x = 1 TO UBOUND(sdata,2)
  sBind = slBuildBindDat(sdata(1,x),"T") + slBuildBindDat(sData(2,x),"T")
  slexebind "Insert into TempBalances values(?,?) ON conflict(acct) DO update SET amt=amt+" + sData(2,x),sBind
 NEXT
 ? showit("select * from TempBalances"),,"Balances"
END FUNCTION

FUNCTION showit(sql AS STRING) AS STRING
 LOCAL sArray() AS STRING
 slselary sql,sArray(),"Q9"
 FUNCTION = JOIN$(sArray(),$CR) + $CR
END FUNCTION