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POStruggling with long running query even for explain plan also it was taking very much time
 

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  1. POStruggling with long running query even for explain plan also it was taking very much time
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    <ol> <li>My query is taking very long time around 1hr. 2.due to this it was impacting on DB performance. 3.even for Explain plan also it was taking very long time. 4.My query is very big.</li> </ol> <p>Query:</p> <pre><code>select count(*) from ( select paid.keyword_id, paid.keyword_name, stat.orgEntrances, keyword.rank1, keyword.rank_check, SUM(paid.clicks) as sumclick, SUM(paid.clicks * paid.avg_position) as sumclickavgpos, SUM(paid.itemRevenue) as sumitem, SUM(paid.cost) as sumcost, SUM(paid.transactions) as sumtrans, SUM(paid.impressions) as sumimpress, IF(SUM(paid.impressions) = 0, 0, SUM(paid.impressions * paid.avg_position) / SUM(paid.impressions)) as sumimpressavgrank, con.item_revenue, con.transactions, keyword.monthly_search_volume from `t_keyword_paid_analytics_google_ib` paid left join ( select outer_t.keyword_id, sum(outer_t.item_revenue) as item_revenue, sum(outer_t.transactions) as transactions from t_keyword_conversion_ga_ib outer_t where outer_t.own_domain_id = 720 and outer_t.traffic_date &gt;= '2012-12-01' and outer_t.traffic_date &lt;= '2012-12-31' group by outer_t.keyword_id ) con on paid.keyword_id = con.keyword_id left join ( select outer_t.keyword_id, sum(outer_t.entrances) as orgEntrances from t_keyword_stat_ga_ib outer_t where outer_t.own_domain_id = 720 and outer_t.traffic_date &gt;= '2012-12-01' and outer_t.traffic_date &lt;= '2012-12-31' and (outer_t.medium = 'organic' or outer_t.medium is null ) group by outer_t.keyword_id ) stat on paid.keyword_id = stat.keyword_id left join `t_managed_keyword_ib` keyword on keyword.id = paid.keyword_id where paid.own_domain_id = 720 and paid.traffic_date &gt;= '2012-12-01' and paid.traffic_date &lt;= '2012-12-31' and (paid.channel is null or paid.channel = 'Google') group by paid.keyword_id having paid.keyword_id is not null ) tempt; </code></pre> <p>Tables Structure:</p> <pre><code>mysql&gt; show create table t_keyword_paid_analytics_google_ib\G *************************** 1. row *************************** Table: t_keyword_paid_analytics_google_ib Create Table: CREATE TABLE `t_keyword_paid_analytics_google_ib` ( `keyword_name` varchar(255) DEFAULT NULL, `id` int(11) NOT NULL, `keyword_id` int(11) NOT NULL, `target_url_id` int(11) DEFAULT NULL, `own_domain_id` int(11) NOT NULL, `log_date` date NOT NULL, `traffic_date` date NOT NULL, `impressions` int(11) DEFAULT NULL, `clicks` int(11) DEFAULT NULL, `entrances` int(11) DEFAULT NULL, `match_type` int(11) DEFAULT NULL COMMENT '1: Phrase, 2: Exact, 3:Broad 4: etc', `ad_group_name` varchar(200) DEFAULT NULL, `ad_distribution_network` varchar(500) CHARACTER SET latin1 DEFAULT NULL, `match_query` varchar(500) CHARACTER SET latin1 DEFAULT NULL, `cost` decimal(10,2) DEFAULT NULL, `cpm` decimal(10,2) DEFAULT NULL, `ctr` decimal(10,2) DEFAULT NULL COMMENT 'percent', `cpc` decimal(10,2) DEFAULT NULL, `campaign` varchar(200) CHARACTER SET latin1 DEFAULT NULL, `keyword_status` tinyint(4) DEFAULT NULL COMMENT '1: Active,2: Approved, 3: Disapproved, 4: Paused , 5:Pending, 6: Failed, 7:etc', `ad_group_status` tinyint(4) DEFAULT NULL COMMENT '1:ELIGIBLE; 2=PAUSED;3=LOW_SEARCH_VOLUME;4 =LOW_QUALITY_SCORE; 5=DISAPPROVED; 6=AD_GROUP_PAUSED; 7=etc', `max_cpc` decimal(10,2) DEFAULT NULL, `quality_score` tinyint(4) DEFAULT NULL, `channel` varchar(100) DEFAULT NULL, `first_page_cpc` decimal(10,2) DEFAULT NULL, `avg_position` decimal(10,2) DEFAULT NULL, `itemRevenue` decimal(10,2) DEFAULT NULL, `goal1value` decimal(10,2) DEFAULT NULL, `goal2value` decimal(10,2) DEFAULT NULL, `goal3value` decimal(10,2) DEFAULT NULL, `goal4value` decimal(10,2) DEFAULT NULL, `transactions` int(10) DEFAULT NULL, `goal1completions` int(10) DEFAULT NULL, `goal2completions` int(10) DEFAULT NULL, `goal3completions` int(10) DEFAULT NULL, `goal4completions` int(10) DEFAULT NULL ) ENGINE=BRIGHTHOUSE DEFAULT CHARSET=utf8 1 row in set (0.00 sec) mysql&gt; show create table t_keyword_conversion_ga_ib\G *************************** 1. row *************************** Table: t_keyword_conversion_ga_ib Create Table: CREATE TABLE `t_keyword_conversion_ga_ib` ( `keyword_name` varchar(255) COLLATE latin1_bin DEFAULT NULL, `id` int(11) NOT NULL, `own_domain_id` int(11) DEFAULT NULL, `keyword_id` int(11) DEFAULT NULL, `traffic_date` date DEFAULT NULL, `targeturl_id` int(11) DEFAULT NULL, `entrance` int(11) DEFAULT NULL, `transactions` int(11) DEFAULT NULL, `item_revenue` decimal(9,2) DEFAULT NULL, `goal1completions` int(11) DEFAULT NULL, `goal2completions` int(11) DEFAULT NULL, `goal3completions` int(11) DEFAULT NULL, `goal4completions` int(11) DEFAULT NULL, `goal5completions` int(11) DEFAULT NULL, `goal6completions` int(11) DEFAULT NULL, `goal7completions` int(11) DEFAULT NULL, `goal8completions` int(11) DEFAULT NULL, `goal9completions` int(11) DEFAULT NULL, `goal10completions` int(11) DEFAULT NULL, `goal1Value` decimal(9,2) DEFAULT NULL, `goal2Value` decimal(9,2) DEFAULT NULL, `goal3Value` decimal(9,2) DEFAULT NULL, `goal4Value` decimal(9,2) DEFAULT NULL, `goal5Value` decimal(9,2) DEFAULT NULL, `goal6Value` decimal(9,2) DEFAULT NULL, `goal7Value` decimal(9,2) DEFAULT NULL, `goal8Value` decimal(9,2) DEFAULT NULL, `goal9Value` decimal(9,2) DEFAULT NULL, `goal10Value` decimal(9,2) DEFAULT NULL, `medium` varchar(255) COLLATE latin1_bin DEFAULT NULL, `source` varchar(255) COLLATE latin1_bin DEFAULT NULL ) ENGINE=BRIGHTHOUSE DEFAULT CHARSET=latin1 COLLATE=latin1_bin 1 row in set (0.00 sec) </code></pre> <p>Please help me here.</p>
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    1. USmithuna kous
    1. USmithuna kous
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      1. POStruggling with long running query even for explain plan also it was taking very much time
      1. USmithuna kous
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    2. VO
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      1. POStruggling with long running query even for explain plan also it was taking very much time
      1. This table or related slice is empty.
      1. VTApproveEditSuggestion
    1. COOn first glance you appear to have a lot of redundant calculations in that SQL. Your first subselect seems to have 9 SUMmed values which are not use nor output in the main select. You also appear to have no indexes on the tables
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      1. POStruggling with long running query even for explain plan also it was taking very much time
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    2. COBit of a check on the Brighthouse storage engine and it looks like it has little index support. As such I wouldn't expect complex queries using this engine to be quick.
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      1. POStruggling with long running query even for explain plan also it was taking very much time
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