[16.0][OU-IMP] account: performance

[FernandoRomera]

Before

2025-08-28 10:03:05,845 59373 DEBUG demo OpenUpgrade: 4057774 rows affected after 1:02:28.371871 running 

"QUERY PLAN"
"Update on account_move_line aml  (cost=0.85..609279.24 rows=0 width=0)"
"  ->  Nested Loop Left Join  (cost=0.85..609279.24 rows=1 width=56)"
"        Join Filter: (aa.id = aml_1.account_id)"
"        ->  Nested Loop  (cost=0.85..606388.31 rows=1 width=34)"
"              ->  Nested Loop  (cost=0.43..606379.87 rows=1 width=24)"
"                    ->  Seq Scan on account_move_line aml_1  (cost=0.00..606371.42 rows=1 width=22)"
"                          Filter: (display_type IS NULL)"
"                    ->  Index Scan using account_move_line_pkey on account_move_line aml  (cost=0.43..8.45 rows=1 width=10)"
"                          Index Cond: (id = aml_1.id)"
"              ->  Index Scan using account_move_pkey on account_move am  (cost=0.42..8.44 rows=1 width=18)"
"                    Index Cond: (id = aml_1.move_id)"
"        ->  Seq Scan on account_account aa  (cost=0.00..2436.52 rows=36352 width=23)"
"JIT:"
"  Functions: 18"
"  Options: Inlining true, Optimization true, Expressions true, Deforming true"

After

2025-08-29 09:39:20,554 82222 DEBUG demo OpenUpgrade: 4057774 rows affected after 0:17:19.349663 running 

"QUERY PLAN"
"Update on account_move_line aml2  (cost=0.00..606396.63 rows=0 width=0)"
"  ->  Seq Scan on account_move_line aml2  (cost=0.00..606396.63 rows=1 width=38)"
"        Filter: (display_type IS NULL)"
"        SubPlan 1"
"          ->  Nested Loop  (cost=1.15..25.21 rows=1 width=32)"
"                ->  Nested Loop  (cost=0.85..16.89 rows=1 width=16)"
"                      ->  Index Scan using account_move_line_pkey on account_move_line aml  (cost=0.43..8.45 rows=1 width=12)"
"                            Index Cond: (id = aml2.id)"
"                      ->  Index Scan using account_move_pkey on account_move am  (cost=0.42..8.44 rows=1 width=12)"
"                            Index Cond: (id = aml.move_id)"
"                ->  Index Scan using account_account_pkey on account_account aa  (cost=0.29..8.31 rows=1 width=17)"
"                      Index Cond: (id = aml.account_id)"
"JIT:"
"  Functions: 18"
"  Options: Inlining true, Optimization true, Expressions true, Deforming true"

[pedrobaeza]

On the commit message, please remove [16.0] and put [OU-IMP] as tag.