| Result (cost=9.53..9.54 rows=1 width=4) |
| InitPlan 1 (returns $0) |
| -> Limit (cost=0.15..9.53 rows=1 width=4) |
| -> Index Scan Backward using idx_tbl_ledger_settles_ledger_month on tbl_ledger_settles (cost=0.15..28.29 rows=3 width=4) |
| Index Cond: ((ledger_id = 1) AND (date IS NOT NULL)) |
| Filter: is_settle |