以下mysql查询需要更多时间来获取结果，所以我需要帮助来优化
SELECT status,
count(status) AS COUNT,
build_id,
results_bu.name,
results_bu.creation_ts,
results_bu.release_date
FROM
(SELECT NHTC.parent_id AS tsuite_id,
NHTC.id AS tcase_id,
NHTC.name AS name,
TPTCV.tcversion_id,
TPTCV.platform_id,
E.build_id,
E.tcversion_number AS VERSION,
TCV.tc_external_id AS external_id,
E.id AS executions_id,
E.status AS status,
(TPTCV.urgency * TCV.importance) AS urg_imp
FROM testplan_tcversions TPTCV
/* GO FOR Absolute LATEST exec ID On BUILD,PLATFORM */
JOIN
(SELECT EE.tcversion_id,
EE.testplan_id,
EE.platform_id,
EE.build_id,
MAX(EE.id) AS id
FROM executions EE
WHERE EE.testplan_id=13954
AND EE.build_id IN
(SELECT id
FROM builds
WHERE testplan_id = 13954
AND active=1
AND (creation_ts BETWEEN DATE('2015-01-01') AND DATE('2015-05-10'))
ORDER BY name ASC)
GROUP BY EE.tcversion_id,
EE.testplan_id,
EE.platform_id,
EE.build_id) AS LEBBP ON LEBBP.testplan_id = TPTCV.testplan_id
AND LEBBP.platform_id = TPTCV.platform_id
AND LEBBP.tcversion_id = TPTCV.tcversion_id
AND LEBBP.testplan_id = 13954
/* Get execution status WRITTEN on DB */
JOIN executions E ON E.id = LEBBP.id
AND E.build_id = LEBBP.build_id
/* Get Test Case info from Test Case Version */
JOIN nodes_hierarchy NHTCV ON NHTCV.id = TPTCV.tcversion_id
/* Get Test Suite info from Test Case */
JOIN nodes_hierarchy NHTC ON NHTC.id = NHTCV.parent_id
/* Get Test Case Version attributes */
JOIN tcversions TCV ON TCV.id = E.tcversion_id
WHERE TPTCV.testplan_id=13954
AND E.build_id IN
(SELECT id
FROM builds
WHERE testplan_id = 13954
AND active=1
AND (creation_ts BETWEEN DATE('2015-01-01') AND DATE('2015-05-10'))
ORDER BY name ASC)
UNION ALL
/* sqlUnion Test suites - not run */
SELECT NHTC.parent_id AS tsuite_id,
NHTC.id AS tcase_id,
NHTC.name AS name,
TPTCV.tcversion_id,
TPTCV.platform_id,
BU.id AS build_id,
TCV.VERSION,
TCV.tc_external_id AS external_id,
COALESCE(E.id,-1) AS executions_id,
COALESCE(E.status,'n') AS status,
(TPTCV.urgency * TCV.importance) AS urg_imp
FROM testplan_tcversions TPTCV
/* Needed to be able to put a value on build_id on output set */
JOIN builds BU ON BU.id IN
(SELECT id
FROM builds
WHERE testplan_id = 13954
AND active=1
AND (creation_ts BETWEEN DATE('2015-01-01') AND DATE('2015-05-10'))
ORDER BY name ASC)
/* GO FOR Absolute LATEST exec ID On BUILD,PLATFORM */
LEFT OUTER JOIN
(SELECT EE.tcversion_id,
EE.testplan_id,
EE.platform_id,
EE.build_id,
MAX(EE.id) AS id
FROM executions EE
WHERE EE.testplan_id=13954
AND EE.build_id IN
(SELECT id
FROM builds
WHERE testplan_id = 13954
AND active=1
AND (creation_ts BETWEEN DATE('2015-01-01') AND DATE('2015-05-10'))
ORDER BY name ASC)
GROUP BY EE.tcversion_id,
EE.testplan_id,
EE.platform_id,
EE.build_id) AS LEBBP ON LEBBP.testplan_id = TPTCV.testplan_id
AND LEBBP.platform_id = TPTCV.platform_id
AND LEBBP.tcversion_id = TPTCV.tcversion_id
AND LEBBP.build_id = BU.id
AND LEBBP.testplan_id = 13954
/* Get execution status WRITTEN on DB */
LEFT OUTER JOIN executions E ON E.build_id = LEBBP.build_id
AND E.testplan_id = TPTCV.testplan_id
AND E.platform_id = TPTCV.platform_id
AND E.tcversion_id = TPTCV.tcversion_id
/* Get Test Case info from Test Case Version */
JOIN nodes_hierarchy NHTCV ON NHTCV.id = TPTCV.tcversion_id
/* Get Test Suite info from Test Case */
JOIN nodes_hierarchy NHTC ON NHTC.id = NHTCV.parent_id
/* Get Test Case Version attributes */
JOIN tcversions TCV ON TCV.id = TPTCV.tcversion_id
WHERE TPTCV.testplan_id=13954
AND BU.id IN
(SELECT id
FROM builds
WHERE testplan_id = 13954
AND active=1
AND (creation_ts BETWEEN DATE('2015-01-01') AND DATE('2015-05-10'))
ORDER BY name ASC)
/* Get REALLY NOT RUN => BOTH LEBBP.id AND E.id NULL */
AND E.id IS NULL
AND LEBBP.id IS NULL) AS RESULT
LEFT OUTER JOIN builds AS results_bu ON results_bu.id=RESULT.build_id
GROUP BY status,
build_id;
结果如下
id select_type table type possible_keys key key_len ref rows Extra
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1 PRIMARY <derived2> ALL 32768 Using temporary; Using filesort
1 PRIMARY results_bu eq_ref PRIMARY PRIMARY 4 result.build_id 1
2 DERIVED <derived3> ALL 32229 Using where
2 DERIVED NHTCV eq_ref PRIMARY,pid_m_nodeorder PRIMARY 4 LEBBP.tcversion_id 1
2 DERIVED NHTC eq_ref PRIMARY PRIMARY 4 bitnami_testlink.NHTCV.parent_id 1
2 DERIVED TPTCV eq_ref testplan_tcversions_tplan_tcversion testplan_tcversions_tplan_tcversion 12 LEBBP.tcversion_id,LEBBP.platform_id 1
2 DERIVED E eq_ref PRIMARY PRIMARY 4 LEBBP.id 1 Using where
2 DERIVED TCV eq_ref PRIMARY PRIMARY 4 bitnami_testlink.E.tcversion_id 1
4 DEPENDENT
SUBQUERY builds unique_subquery PRIMARY,name,testplan_id PRIMARY 4 func 1 Using where
3 DERIVED EE ref executions_idx1 executions_idx1 4 135350 Using where; Using index
3 DERIVED BB eq_ref PRIMARY,name,testplan_id PRIMARY 4 bitnami_testlink.EE.build_id 1 Using where
5 UNION BU index testplan_id 4 569 Using where; Using index
5 UNION TPTCV ref testplan_tcversions_tplan_tcversion testplan_tcversions_tplan_tcversion 4 1472
5 UNION TCV eq_ref PRIMARY PRIMARY 4 bitnami_testlink.TPTCV.tcversion_id 1
5 UNION NHTCV eq_ref PRIMARY,pid_m_nodeorder PRIMARY 4 bitnami_testlink.TPTCV.tcversion_id 1
5 UNION NHTC eq_ref PRIMARY PRIMARY 4 bitnami_testlink.NHTCV.parent_id 1
5 UNION <derived6> ALL 32229 Using where
5 UNION E ref executions_idx1 executions_idx1 16 bitnami_testlink.TPTCV.tcversion_id,
bitnami_testlink.TPTCV.platform_id,
LEBBP.build_id 1 Using where; Not exists
8 DEPENDENT
SUBQUERY builds unique_subquery PRIMARY,name,testplan_id PRIMARY 4 func 1 Using where
7 DEPENDENT
SUBQUERY builds unique_subquery PRIMARY,name,testplan_id PRIMARY 4 func 1 Using where
6 DERIVED EE ref executions_idx1 executions_idx1 4 135350 Using where; Using index
6 DERIVED BB eq_ref PRIMARY,name,testplan_id PRIMARY 4 bitnami_testlink.EE.build_id 1 Using where
UNION RESULT <union2,5> ALL
实际上我们正在尝试获取通过的执行记录数量，从测试链接数据库中选择的测试计划的时间段之间失败
谢谢， 拉姆