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Details

    • Task
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • None
    • Optimizer
    • None

    Description

      Some reporting tools work with table pagination impose scanning records per offset and pages.
      When a subquery is used for this uery time goes from few millisecond to minutes.

      extract important part of subquery replace that lead to 10K time performance improvement

       
      FROM   financial_dossier dossier 
             INNER JOIN (SELECT id_dossier 
                         FROM   financial_dossier 
                         ORDER  BY id_dossier DESC 
                         LIMIT  1000 offset 629000) AS dossier_limit 
      

      change to :

      FROM   (SELECT * 
                         FROM   financial_dossier 
                         ORDER  BY id_dossier DESC 
                         LIMIT  1000 offset 629000) AS dossier
      

      SELECT id_dossier 
                         FROM   financial_dossier 
                         ORDER  BY id_dossier DESC 
                         LIMIT  1000 offset 629000 
      

      Table is innodb, id_dossier is primary key
      sort cost is 0 so materialization of such query produce 1000 row
      The optimizer compute wrong row estimate of the materialization of the pagination queries

      A simplified query with no extra filtering on the self join is correct plan

      explain select count(*)           FROM                      financial_dossier dossier                     INNER JOIN (SELECT id_dossier FROM financial_dossier ORDER BY id_dossier DESC LIMIT 1000 OFFSET 643000) as dossier_limit ON dossier.id_dossier = dossier_limit.id_dossier;
      +------+-------------+-------------------+--------+---------------+---------+---------+--------------------------+---------+-------------+
      | id   | select_type | table             | type   | possible_keys | key     | key_len | ref                      | rows    | Extra       |
      +------+-------------+-------------------+--------+---------------+---------+---------+--------------------------+---------+-------------+
      |    1 | PRIMARY     | <derived2>        | ALL    | NULL          | NULL    | NULL    | NULL                     |  644000 |             |
      |    1 | PRIMARY     | dossier           | eq_ref | PRIMARY       | PRIMARY | 3       | dossier_limit.id_dossier |       1 | Using index |
      |    2 | DERIVED     | financial_dossier | index  | NULL          | PRIMARY | 3       | NULL                     | 1138844 | Using index |
      +------+-------------+-------------------+--------+---------------+---------+---------+--------------------------+---------+-------------+
      

      derived2 number of rows 644000 is somehow over evaluated as it's evaluated as it lost the information of the limit i think it should be replace per 1000 to make the optimzer evaluate derived table order with the real number of rows inside the derived , by keeping 644000 it will always flavor table first with lower cardinality index

      On the real query :

      an index id_local filter the self joined table by half(569426) the derived is pushed later on the plan making half rows of the table to be left joined ignored the 1000 derived filtered by the pagination subquery
      so paying a first cost of 644000 pk retrival save (569426-1000)*42 ref or eq_ref operations

      The cardinality of the self joined derived get wrong and probably computed with 644000 in mind and not 1000

      1 PRIMARY <derived2> ref key0 key0 3 financial_cf.dossier.id_dossier 10  

      The self join is on a primary key ref (10) instead of eq_ref count of 1 , this may also badly impact the order of tables picked by the plan

      1. # Query_time: 135.814891 Lock_time: 0.000971 Rows_sent: 1000 Rows_examined: 42567341
      2. Rows_affected: 0 Bytes_sent: 169476

      show explain for 12546;
      +------+--------------------+------------------------------+--------+----------------------------------+--------------------------+---------+---------------------------------------------------------+---------+-----------------------------+
      | id   | select_type        | table                        | type   | possible_keys                    | key                      | key_len | ref                                                     | rows    | Extra                       |
      +------+--------------------+------------------------------+--------+----------------------------------+--------------------------+---------+---------------------------------------------------------+---------+-----------------------------+
      |    1 | PRIMARY            | dossier                      | ref    | PRIMARY,id_local                 | id_local                 | 2       | const                                                   |  569426 | Using where                 |
      |    1 | PRIMARY            | dr                           | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 |                             |
      |    1 | PRIMARY            | parrain_filleul              | ref    | PRIMARY,id_dossier               | PRIMARY                  | 3       | financial_cf.dr.id_emprunteur                           |       1 | Using where; Using index    |
      |    1 | PRIMARY            | suivi_rc                     | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_suivi_rc                        |       1 | Using where                 |
      |    1 | PRIMARY            | rc                           | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.suivi_rc.id_utilisateur                    |       1 | Using where                 |
      |    1 | PRIMARY            | da                           | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | at                           | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | ar                           | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | atc                          | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | st                           | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | parrain_client               | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.parrain_filleul.id_parrain                 |       1 | Using where                 |
      |    1 | PRIMARY            | parrain_pro                  | ref    | id_filleuil,id_dossier           | id_filleuil              | 3       | financial_cf.dr.id_emprunteur                           |       1 | Using where; Using index    |
      |    1 | PRIMARY            | contact                      | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.parrain_pro.id_parrain_pro                 |       1 | Using where                 |
      |    1 | PRIMARY            | pre_ar                       | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | pre_da                       | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | ac_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | ma_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | at_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | rc_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | cc_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | da_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | ar_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | dc_commission                | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | att_commission               | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | local_commission             | eq_ref | PRIMARY                          | PRIMARY                  | 2       | func                                                    |       1 | Using where; Using index    |
      |    1 | PRIMARY            | commission                   | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 |                             |
      |    1 | PRIMARY            | rdv                          | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dr.id_rendez_vous_commercial               |       1 | Using where                 |
      |    1 | PRIMARY            | complement                   | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dr.id_donnee_dossier_emprunteur            |       1 |                             |
      |    1 | PRIMARY            | dc                           | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 |                             |
      |    1 | PRIMARY            | suivi_azur                   | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_suivi_azur                      |       1 | Using where                 |
      |    1 | PRIMARY            | suivi_cc                     | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_suivi_cc                        |       1 | Using where                 |
      |    1 | PRIMARY            | refus                        | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 |                             |
      |    1 | PRIMARY            | depot_notaire                | eq_ref | PRIMARY,id_dossier_refinancement | PRIMARY                  | 3       | func                                                    |       1 | Using where                 |
      |    1 | PRIMARY            | notaire_personne             | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.depot_notaire.id_notaire_personne          |       1 | Using where                 |
      |    1 | PRIMARY            | encaissement                 | eq_ref | PRIMARY                          | PRIMARY                  | 4       | financial_cf.dc.id_date_encaissement                    |       1 | Using where                 |
      |    1 | PRIMARY            | edition_offre                | eq_ref | PRIMARY                          | PRIMARY                  | 4       | financial_cf.dc.id_edition_offre_pret                   |       1 | Using where                 |
      |    1 | PRIMARY            | depot_banque                 | eq_ref | PRIMARY                          | PRIMARY                  | 3       | func                                                    |       1 | Using where                 |
      |    1 | PRIMARY            | offre                        | ref    | id_depot_banque                  | id_depot_banque          | 3       | financial_cf.depot_banque.id_depot_banque               |       1 | Using where                 |
      |    1 | PRIMARY            | validation                   | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.offre.id_offre                             |       1 | Using where                 |
      |    1 | PRIMARY            | offre2                       | eq_ref | PRIMARY                          | PRIMARY                  | 3       | func                                                    |       1 | Using where                 |
      |    1 | PRIMARY            | validation2                  | eq_ref | PRIMARY                          | PRIMARY                  | 3       | financial_cf.offre2.id_offre                            |       1 | Using where                 |
      |    1 | PRIMARY            | <derived2>                   | ref    | key0                             | key0                     | 3       | financial_cf.dossier.id_dossier                         |      10 |                             |
      |   24 | DEPENDENT SUBQUERY | financial_depot_banque_offre | ref    | id_depot_banque                  | id_depot_banque          | 3       | financial_cf.depot_banque.id_depot_banque               |       1 | Using index                 |
      |   22 | DEPENDENT SUBQUERY | dp                           | ref    | PRIMARY,id_dossier_refinancement | id_dossier_refinancement | 3       | financial_cf.dr.id_dossier_refinancement                |       1 | Using where; Using filesort |
      |   22 | DEPENDENT SUBQUERY | sd                           | eq_ref | PRIMARY,id_depot_banque,etat     | PRIMARY                  | 4       | func                                                    |       1 | Using where                 |
      |   23 | DEPENDENT SUBQUERY | financial_suivi_depot        | ref    | id_depot_banque                  | id_depot_banque          | 3       | financial_cf.dp.id_depot_banque                         |       1 | Using index                 |
      |   20 | DEPENDENT SUBQUERY | financial_depot_notaire      | ref    | id_dossier_refinancement         | id_dossier_refinancement | 3       | financial_cf.dossier.id_dossier                         |       1 | Using index                 |
      |   19 | DEPENDENT SUBQUERY | histo_inter_doss             | eq_ref | PRIMARY,id_local                 | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   19 | DEPENDENT SUBQUERY | local_com                    | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss.id_local                  |       1 | Using index                 |
      |   18 | DEPENDENT SUBQUERY | histo_inter_doss_att         | eq_ref | PRIMARY,id_att                   | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   18 | DEPENDENT SUBQUERY | u_att_com                    | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_att.id_att                |       1 | Using index                 |
      |   17 | DEPENDENT SUBQUERY | histo_inter_doss_dc          | eq_ref | PRIMARY,id_dc                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   17 | DEPENDENT SUBQUERY | u_dc_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_dc.id_dc                  |       1 | Using index                 |
      |   16 | DEPENDENT SUBQUERY | histo_inter_doss_ar          | eq_ref | PRIMARY,id_ar                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   16 | DEPENDENT SUBQUERY | u_ar_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_ar.id_ar                  |       1 | Using index                 |
      |   15 | DEPENDENT SUBQUERY | histo_inter_doss_da          | eq_ref | PRIMARY,id_da                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   15 | DEPENDENT SUBQUERY | u_da_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_da.id_da                  |       1 | Using index                 |
      |   14 | DEPENDENT SUBQUERY | histo_inter_doss_cc          | eq_ref | PRIMARY,id_cc                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   14 | DEPENDENT SUBQUERY | u_cc_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_cc.id_cc                  |       1 | Using index                 |
      |   13 | DEPENDENT SUBQUERY | histo_inter_doss_rc          | eq_ref | PRIMARY,id_rc                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   13 | DEPENDENT SUBQUERY | u_rc_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_rc.id_rc                  |       1 | Using index                 |
      |   12 | DEPENDENT SUBQUERY | histo_inter_doss_at          | eq_ref | PRIMARY,id_at                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   12 | DEPENDENT SUBQUERY | u_at_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_at.id_at                  |       1 | Using index                 |
      |   11 | DEPENDENT SUBQUERY | histo_inter_doss_ma          | eq_ref | PRIMARY,id_ma                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   11 | DEPENDENT SUBQUERY | u_ma_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_ma.id_ma                  |       1 | Using index                 |
      |   10 | DEPENDENT SUBQUERY | histo_inter_doss_ac          | eq_ref | PRIMARY,id_ac                    | PRIMARY                  | 3       | financial_cf.dossier.id_dossier                         |       1 | Using where                 |
      |   10 | DEPENDENT SUBQUERY | u_ac_com                     | eq_ref | PRIMARY                          | PRIMARY                  | 2       | financial_cf.histo_inter_doss_ac.id_ac                  |       1 | Using index                 |
      |    9 | DEPENDENT SUBQUERY | pre_s_da                     | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.contact.id_commercial                      |       1 | Using index                 |
      |    9 | DEPENDENT SUBQUERY | pre_u_da                     | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.pre_s_da.id_superieur                      |       1 | Using where                 |
      |    8 | DEPENDENT SUBQUERY | pre_s_ar                     | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.contact.id_commercial                      |       1 | Using index                 |
      |    8 | DEPENDENT SUBQUERY | pre_u_ar                     | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.pre_s_ar.id_superieur                      |       1 | Using where                 |
      |    7 | DEPENDENT SUBQUERY | r_st                         | ref    | id_rule,idx_rule                 | idx_rule                 | 767     | const                                                   |       1 | Using index condition       |
      |    7 | DEPENDENT SUBQUERY | s_st                         | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.rc.id_utilisateur                          |       1 | Using index                 |
      |    7 | DEPENDENT SUBQUERY | gu_st                        | ref    | PRIMARY,id_utilisateur           | id_utilisateur           | 2       | financial_cf.s_st.id_superieur                          |       1 | Using index                 |
      |    7 | DEPENDENT SUBQUERY | rg_st                        | eq_ref | PRIMARY,id_rule,id_group         | PRIMARY                  | 4       | financial_cf.r_st.id_rule,financial_cf.gu_st.id_group   |       1 | Using index                 |
      |    7 | DEPENDENT SUBQUERY | u_st                         | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.s_st.id_superieur                          |       1 | Using where                 |
      |    6 | DEPENDENT SUBQUERY | r_atc                        | ref    | id_rule,idx_rule                 | idx_rule                 | 767     | const                                                   |       1 | Using index condition       |
      |    6 | DEPENDENT SUBQUERY | s_atc                        | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.rc.id_utilisateur                          |       1 | Using index                 |
      |    6 | DEPENDENT SUBQUERY | gu_atc                       | ref    | PRIMARY,id_utilisateur           | id_utilisateur           | 2       | financial_cf.s_atc.id_superieur                         |       1 | Using index                 |
      |    6 | DEPENDENT SUBQUERY | rg_atc                       | eq_ref | PRIMARY,id_rule,id_group         | PRIMARY                  | 4       | financial_cf.r_atc.id_rule,financial_cf.gu_atc.id_group |       1 | Using index                 |
      |    6 | DEPENDENT SUBQUERY | u_atc                        | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.s_atc.id_superieur                         |       1 | Using where                 |
      |    5 | DEPENDENT SUBQUERY | s_ar                         | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.rc.id_utilisateur                          |       1 | Using index                 |
      |    5 | DEPENDENT SUBQUERY | u_ar                         | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.s_ar.id_superieur                          |       1 | Using where                 |
      |    4 | DEPENDENT SUBQUERY | r_at                         | ref    | id_rule,idx_rule                 | idx_rule                 | 767     | const                                                   |       1 | Using index condition       |
      |    4 | DEPENDENT SUBQUERY | s_at                         | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.rc.id_utilisateur                          |       1 | Using index                 |
      |    4 | DEPENDENT SUBQUERY | gu_at                        | ref    | PRIMARY,id_utilisateur           | id_utilisateur           | 2       | financial_cf.s_at.id_superieur                          |       1 | Using index                 |
      |    4 | DEPENDENT SUBQUERY | rg_at                        | eq_ref | PRIMARY,id_rule,id_group         | PRIMARY                  | 4       | financial_cf.r_at.id_rule,financial_cf.gu_at.id_group   |       1 | Using index                 |
      |    4 | DEPENDENT SUBQUERY | u_at                         | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.s_at.id_superieur                          |       1 | Using where                 |
      |    3 | DEPENDENT SUBQUERY | s_da                         | ref    | PRIMARY,id_employe               | id_employe               | 2       | financial_cf.rc.id_utilisateur                          |       1 | Using index                 |
      |    3 | DEPENDENT SUBQUERY | u_da                         | eq_ref | PRIMARY,type_utilisateur         | PRIMARY                  | 2       | financial_cf.s_da.id_superieur                          |       1 | Using where                 |
      |    2 | DERIVED            | financial_dossier            | index  | NULL                             | PRIMARY                  | 3       | NULL                                                    | 1138852 | Using index                 |
      +------+--------------------+------------------------------+--------+----------------------------------+--------------------------+---------+---------------------------------------------------------+---------+-----------------------------+
      

      {
         \n  "query_block":{
            \n    "select_id":1,
            \n    "r_loops":1,
            \n    "r_total_time_ms":26410,
            \n    "table":{
               \n      "table_name":"dossier",
               \n      "access_type":"ref",
               \n      "possible_keys":[
                  "PRIMARY",
                  "id_local"
               ],
               \n      "key":"id_local",
               \n      "key_length":"2",
               \n      "used_key_parts":[
                  "id_local"
               ],
               \n      "ref":[
                  "const"
               ],
               \n      "r_loops":1,
               \n      "rows":570196,
               \n      "r_rows":1.14e6,
               \n      "r_total_time_ms":2366.2,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"dossier.id_local <=> 1"         \n
            },
            \n    "table":{
               \n      "table_name":"dr",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_dossier_refinancement"
               ],
               \n      "ref":[
                  "financial_cf.dossier.id_dossier"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":1,
               \n      "r_total_time_ms":2624.5,
               \n      "filtered":100,
               \n      "r_filtered":100         \n
            },
            \n    "table":{
               \n      "table_name":"parrain_filleul",
               \n      "access_type":"ref",
               \n      "possible_keys":[
                  "PRIMARY",
                  "id_dossier"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_filleul"
               ],
               \n      "ref":[
                  "financial_cf.dr.id_emprunteur"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":0.0311,
               \n      "r_total_time_ms":1562.3,
               \n      "filtered":100,
               \n      "r_filtered":68.107,
               \n      "attached_condition":"trigcond(parrain_filleul.id_dossier = dossier.id_dossier)",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"parrain_pro",
               \n      "access_type":"ref",
               \n      "possible_keys":[
                  "id_filleuil",
                  "id_dossier"
               ],
               \n      "key":"id_filleuil",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_filleul"
               ],
               \n      "ref":[
                  "financial_cf.dr.id_emprunteur"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":0.0489,
               \n      "r_total_time_ms":1640.1,
               \n      "filtered":100,
               \n      "r_filtered":93.893,
               \n      "attached_condition":"trigcond(parrain_pro.id_dossier = dossier.id_dossier)",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"dc",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_dossier_refinancement"
               ],
               \n      "ref":[
                  "financial_cf.dossier.id_dossier"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":0.2046,
               \n      "r_total_time_ms":2115.3,
               \n      "filtered":100,
               \n      "r_filtered":100         \n
            },
            \n    "table":{
               \n      "table_name":"depot_banque",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_depot_banque"
               ],
               \n      "ref":[
                  "func"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":0.0235,
               \n      "r_total_time_ms":50.865,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(depot_banque.id_depot_banque = (subquery#22))",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"offre",
               \n      "access_type":"ref",
               \n      "possible_keys":[
                  "id_depot_banque"
               ],
               \n      "key":"id_depot_banque",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_depot_banque"
               ],
               \n      "ref":[
                  "financial_cf.depot_banque.id_depot_banque"
               ],
               \n      "r_loops":1143114,
               \n      "rows":1,
               \n      "r_rows":0.0236,
               \n      "r_total_time_ms":82.029,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(trigcond(depot_banque.id_depot_banque is not null))",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"offre2",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_offre"
               ],
               \n      "ref":[
                  "func"
               ],
               \n      "r_loops":1143331,
               \n      "rows":1,
               \n      "r_rows":0.0236,
               \n      "r_total_time_ms":85.302,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(offre2.id_offre = (subquery#24))",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"suivi_rc",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_gestionsuivi"
               ],
               \n      "ref":[
                  "financial_cf.dossier.id_suivi_rc"
               ],
               \n      "r_loops":1143331,
               \n      "rows":1,
               \n      "r_rows":0.2793,
               \n      "r_total_time_ms":892.91,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(trigcond(dossier.id_suivi_rc is not null))"         \n
            },
            \n    "table":{
               \n      "table_name":"rc",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"2",
               \n      "used_key_parts":[
                  "id_utilisateur"
               ],
               \n      "ref":[
                  "financial_cf.suivi_rc.id_utilisateur"
               ],
               \n      "r_loops":1143331,
               \n      "rows":1,
               \n      "r_rows":0.2793,
               \n      "r_total_time_ms":556.71,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(trigcond(suivi_rc.id_utilisateur is not null))",
               \n      "using_index":true         \n
            },
            \n    "table":{
               \n      "table_name":"depot_notaire",
               \n      "access_type":"eq_ref",
               \n      "possible_keys":[
                  "PRIMARY",
                  "id_dossier_refinancement"
               ],
               \n      "key":"PRIMARY",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_depot_notaire"
               ],
               \n      "ref":[
                  "func"
               ],
               \n      "r_loops":1143331,
               \n      "rows":1,
               \n      "r_rows":0.0127,
               \n      "r_total_time_ms":35.896,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "attached_condition":"trigcond(depot_notaire.id_dossier_refinancement = dossier.id_dossier and depot_notaire.id_depot_notaire = (subquery#20))"         \n
            },
            \n    "table":{
               \n      "table_name":"<derived2>",
               \n      "access_type":"ref",
               \n      "possible_keys":[
                  "key0"
               ],
               \n      "key":"key0",
               \n      "key_length":"3",
               \n      "used_key_parts":[
                  "id_dossier"
               ],
               \n      "ref":[
                  "financial_cf.dossier.id_dossier"
               ],
               \n      "r_loops":1143331,
               \n      "rows":10,
               \n      "r_rows":8.7e-4,
               \n      "r_total_time_ms":209.55,
               \n      "filtered":100,
               \n      "r_filtered":100,
               \n      "materialized":{
                  \n        "query_block":{
                     \n          "select_id":2,
                     \n          "r_loops":1,
                     \n          "r_total_time_ms":197.45,
                     \n          "table":{
                        \n            "table_name":"financial_dossier",
                        \n            "access_type":"index",
                        \n            "key":"PRIMARY",
                        \n            "key_length":"3",
                        \n            "used_key_parts":[
                           "id_dossier"
                        ],
                        \n            "r_loops":1,
                        \n            "rows":1140392,
                        \n            "r_rows":662000,
                        \n            "r_total_time_ms":175.43,
                        \n            "filtered":100,
                        \n            "r_filtered":100,
                        \n            "using_index":true                  \n
                     }               \n
                  }            \n
               }         \n
            },
            \n    "subqueries":[
               \n         {
                  \n        "expression_cache":{
                     \n          "state":"disabled",
                     \n          "r_loops":0,
                     \n          "query_block":{
                        \n            "select_id":24,
                        \n            "r_loops":1197381,
                        \n            "r_total_time_ms":468.43,
                        \n            "outer_ref_condition":"depot_banque.id_depot_banque is not null",
                        \n            "table":{
                           \n              "table_name":"financial_depot_banque_offre",
                           \n              "access_type":"ref",
                           \n              "possible_keys":[
                              "id_depot_banque"
                           ],
                           \n              "key":"id_depot_banque",
                           \n              "key_length":"3",
                           \n              "used_key_parts":[
                              "id_depot_banque"
                           ],
                           \n              "ref":[
                              "financial_cf.depot_banque.id_depot_banque"
                           ],
                           \n              "r_loops":81075,
                           \n              "rows":1,
                           \n              "r_rows":1.0164,
                           \n              "r_total_time_ms":132.69,
                           \n              "filtered":100,
                           \n              "r_filtered":100,
                           \n              "using_index":true                     \n
                        }                  \n
                     }               \n
                  }            \n
               },
               \n         {
                  \n        "expression_cache":{
                     \n          "state":"disabled",
                     \n          "r_loops":0,
                     \n          "query_block":{
                        \n            "select_id":22,
                        \n            "r_loops":1196730,
                        \n            "r_total_time_ms":8136.7,
                        \n            "read_sorted_file":{
                           \n              "r_rows":0.1782,
                           \n              "filesort":{
                              \n                "sort_key":"dp.montant_hib",
                              \n                "r_loops":1196730,
                              \n                "r_total_time_ms":3717.1,
                              \n                "r_used_priority_queue":false,
                              \n                "r_output_rows":0,
                              \n                "r_buffer_size":"(varied across executions)",
                              \n                "table":{
                                 \n                  "table_name":"dp",
                                 \n                  "access_type":"ref",
                                 \n                  "possible_keys":[
                                    "PRIMARY",
                                    "id_dossier_refinancement"
                                 ],
                                 \n                  "key":"id_dossier_refinancement",
                                 \n                  "key_length":"3",
                                 \n                  "used_key_parts":[
                                    "id_dossier_refinancement"
                                 ],
                                 \n                  "ref":[
                                    "financial_cf.dr.id_dossier_refinancement"
                                 ],
                                 \n                  "r_loops":1196730,
                                 \n                  "rows":1,
                                 \n                  "r_rows":0.22,
                                 \n                  "r_total_time_ms":2305.1,
                                 \n                  "filtered":100,
                                 \n                  "r_filtered":100,
                                 \n                  "attached_condition":"dp.id_dossier_refinancement <=> dr.id_dossier_refinancement"                           \n
                              }                        \n
                           }                     \n
                        },
                        \n            "table":{
                           \n              "table_name":"sd",
                           \n              "access_type":"eq_ref",
                           \n              "possible_keys":[
                              "PRIMARY",
                              "id_depot_banque",
                              "etat"
                           ],
                           \n              "key":"PRIMARY",
                           \n              "key_length":"4",
                           \n              "used_key_parts":[
                              "id_suivi_depot"
                           ],
                           \n              "ref":[
                              "func"
                           ],
                           \n              "r_loops":213211,
                           \n              "rows":1,
                           \n              "r_rows":1,
                           \n              "r_total_time_ms":456.84,
                           \n              "filtered":100,
                           \n              "r_filtered":37.72,
                           \n              "attached_condition":"sd.id_depot_banque = dp.id_depot_banque and sd.id_suivi_depot = (subquery#23) and sd.etat in ('accord','accord sous reserve','depot_valider')"                     \n
                        },
                        \n            "subqueries":[
                           \n                     {
                              \n                "expression_cache":{
                                 \n                  "state":"disabled",
                                 \n                  "r_loops":0,
                                 \n                  "query_block":{
                                    \n                    "select_id":23,
                                    \n                    "r_loops":426422,
                                    \n                    "r_total_time_ms":1411.5,
                                    \n                    "table":{
                                       \n                      "table_name":"financial_suivi_depot",
                                       \n                      "access_type":"ref",
                                       \n                      "possible_keys":[
                                          "id_depot_banque"
                                       ],
                                       \n                      "key":"id_depot_banque",
                                       \n                      "key_length":"3",
                                       \n                      "used_key_parts":[
                                          "id_depot_banque"
                                       ],
                                       \n                      "ref":[
                                          "financial_cf.dp.id_depot_banque"
                                       ],
                                       \n                      "r_loops":426422,
                                       \n                      "rows":1,
                                       \n                      "r_rows":3.5917,
                                       \n                      "r_total_time_ms":1047.7,
                                       \n                      "filtered":100,
                                       \n                      "r_filtered":100,
                                       \n                      "using_index":true                                 \n
                                    }                              \n
                                 }                           \n
                              }                        \n
                           }                     \n
                        ]                  \n
                     }               \n
                  }            \n
               },
               \n         {
                  \n        "expression_cache":{
                     \n          "state":"disabled",
                     \n          "r_loops":0,
                     \n          "query_block":{
                        \n            "select_id":20,
                        \n            "r_loops":1172301,
                        \n            "r_total_time_ms":2389.8,
                        \n            "table":{
                           \n              "table_name":"financial_depot_notaire",
                           \n              "access_type":"ref",
                           \n              "possible_keys":[
                              "id_dossier_refinancement"
                           ],
                           \n              "key":"id_dossier_refinancement",
                           \n              "key_length":"3",
                           \n              "used_key_parts":[
                              "id_dossier_refinancement"
                           ],
                           \n              "ref":[
                              "financial_cf.dossier.id_dossier"
                           ],
                           \n              "r_loops":1172301,
                           \n              "rows":1,
                           \n              "r_rows":0.0406,
                           \n              "r_total_time_ms":1637.5,
                           \n              "filtered":100,
                           \n              "r_filtered":100,
                           \n              "using_index":true                     \n
                        }                  \n
                     }               \n
                  }            \n
               }         \n
            ]      \n
         }   \n
      }
      

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            igor Igor Babaev
            stephane@skysql.com VAROQUI Stephane
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              Updated:

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