I was converting MySql to DB2 queries, and so far I got to this:
SELECT
loandata.*,
SUM(lc.amount_outstanding_derived) AS chargesDue
FROM
(
SELECT
cl.display_name AS clientName,
cl.id AS clientId,
ln.id AS loanId,
ln.account_no AS accountId,
ln.loan_status_id AS accountStatusId,
pl.short_name AS productShortName,
ln.product_id AS productId,
ln.currency_code AS currencyCode,
ln.currency_digits AS currencyDigits,
ln.currency_multiplesof AS inMultiplesOf,
rc.name AS currencyName,
rc.display_symbol AS currencyDisplaySymbol,
rc.internationalized_name_code AS currencyNameCode,
CASE WHEN ln.loan_status_id = 200 THEN ln.principal_amount
ELSE NULL
END AS disbursementAmount,
SUM(COALESCE((CASE WHEN ln.loan_status_id = 300 THEN ls.principal_amount ELSE 0.0 END), 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.principal_completed_derived ELSE 0.0 END, 0.0)) AS principalDue,
ln.principal_repaid_derived AS principalPaid,
SUM(COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.interest_amount ELSE 0.0 END, 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.interest_completed_derived ELSE 0.0 END, 0.0)) AS interestDue,
ln.interest_repaid_derived AS interestPaid,
SUM(COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.fee_charges_amount ELSE 0.0 END, 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.fee_charges_completed_derived ELSE 0.0 END, 0.0)) AS feeDue,
ln.fee_charges_repaid_derived AS feePaid
FROM
m_loan LN
JOIN m_client cl ON
cl.id = ln.client_id
LEFT JOIN m_office OF ON
of.id = cl.office_id
AND of.hierarchy LIKE ?
LEFT JOIN m_product_loan pl ON
pl.id = ln.product_id
LEFT JOIN m_currency rc ON
rc.code = ln.currency_code
JOIN m_loan_repayment_schedule ls ON
ls.loan_id = ln.id
AND ls.completed_derived = 0
AND ls.duedate <= ?
WHERE
of.id = ?
AND (ln.loan_status_id = 300)
AND ln.group_id IS NULL
) AS loandata
LEFT JOIN m_loan_charge lc ON
lc.loan_id = loandata.loanId
AND lc.is_paid_derived = 0
AND lc.is_active = 1
AND ( lc.due_for_collection_as_of_date <= ?
OR lc.charge_time_enum = 1)
GROUP BY
loandata.clientId,
loandata.loanId
ORDER BY
loandata.clientId,
loandata.loanId
But I am getting an error :
SQL Error [42803]: An expression starting with "DISBURSEMENTAMOUNT" specified in a SELECT clause, HAVING clause, or ORDER BY clause is not specified in the GROUP BY clause or it is in a SELECT clause, HAVING clause, or ORDER BY clause with a column function and no GROUP BY clause is specified.. SQLCODE=-119, SQLSTATE=42803, DRIVER=4.26.14
I have tried inserting Group by and Order By clauses each for the select clause items like so:
SELECT
loandata.*,
SUM(lc.amount_outstanding_derived) AS chargesDue
FROM
(
SELECT
cl.display_name AS clientName,
cl.id AS clientId,
ln.id AS loanId,
ln.account_no AS accountId,
ln.loan_status_id AS accountStatusId,
pl.short_name AS productShortName,
ln.product_id AS productId,
ln.currency_code AS currencyCode,
ln.currency_digits AS currencyDigits,
ln.currency_multiplesof AS inMultiplesOf,
rc.name AS currencyName,
rc.display_symbol AS currencyDisplaySymbol,
rc.internationalized_name_code AS currencyNameCode,
CASE WHEN ln.loan_status_id = 200 THEN ln.principal_amount
ELSE NULL
END AS disbursementAmount,
SUM(COALESCE((CASE WHEN ln.loan_status_id = 300 THEN ls.principal_amount ELSE 0.0 END), 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.principal_completed_derived ELSE 0.0 END, 0.0)) AS principalDue,
ln.principal_repaid_derived AS principalPaid,
SUM(COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.interest_amount ELSE 0.0 END, 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.interest_completed_derived ELSE 0.0 END, 0.0)) AS interestDue,
ln.interest_repaid_derived AS interestPaid,
SUM(COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.fee_charges_amount ELSE 0.0 END, 0.0) - COALESCE(CASE WHEN ln.loan_status_id = 300 THEN ls.fee_charges_completed_derived ELSE 0.0 END, 0.0)) AS feeDue,
ln.fee_charges_repaid_derived AS feePaid
FROM
m_loan LN
JOIN m_client cl ON
cl.id = ln.client_id
LEFT JOIN m_office OF ON
of.id = cl.office_id
AND of.hierarchy LIKE ?
LEFT JOIN m_product_loan pl ON
pl.id = ln.product_id
LEFT JOIN m_currency rc ON
rc.code = ln.currency_code
JOIN m_loan_repayment_schedule ls ON
ls.loan_id = ln.id
AND ls.completed_derived = 0
AND ls.duedate <= ?
WHERE
of.id = ?
AND (ln.loan_status_id = 300)
AND ln.group_id IS NULL
GROUP BY
cl.display_name,
cl.id,
ln.id,
ln.account_no,
ln.loan_status_id,
pl.short_name,
ln.product_id,
ln.currency_code,
ln.currency_digits,
ln.currency_multiplesof,
rc.name,
rc.display_symbol,
rc.internationalized_name_code,
ln.loan_status_id,
ln.principal_amount,
ln.principal_repaid_derived,
ln.interest_repaid_derived,
ln.fee_charges_repaid_derived
ORDER BY
cl.display_name,
cl.id,
ln.id,
ln.account_no,
ln.loan_status_id,
pl.short_name,
ln.product_id,
ln.currency_code,
ln.currency_digits,
ln.currency_multiplesof,
rc.name,
rc.display_symbol,
rc.internationalized_name_code,
ln.loan_status_id,
ln.principal_amount,
ln.principal_repaid_derived,
ln.interest_repaid_derived,
ln.fee_charges_repaid_derived
) AS loandata
LEFT JOIN m_loan_charge lc ON
lc.loan_id = loandata.loanId
AND lc.is_paid_derived = 0
AND lc.is_active = 1
AND ( lc.due_for_collection_as_of_date <= ?
OR lc.charge_time_enum = 1)
GROUP BY
loandata.clientId,
loandata.loanId
ORDER BY
loandata.clientId,
loandata.loanId