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我正在尝试在 mysql 中运行存储过程,它返回 0 行。个人选择工作得好,他们作为一个团队一起工作也做得好。当一起运行时,它们创建一系列临时表,然后在最后返回最终表。再次强调,一切正常。我查看了其他问题,但在查询中没有看到错误。
我的查询:
USE leeds_so;
#### OPEN STORED PROCEDURE
DELIMITER //
CREATE PROCEDURE LadderConversionUpDown3()
BEGIN
#### DROP TABLES IF NEEDED
DROP TABLE cte_leenk_ladder_history;
DROP TABLE cte_ladder_value_between;
DROP TABLE cte_most_recent_record;
DROP TABLE cte_most_recent_record_ladder_level;
DROP TABLE cte_ladder_value_before;
DROP TABLE cte_most_recent_record_before;
DROP TABLE cte_most_recent_record_before_ladder_level;
DROP TABLE cte_additions_to_current_rung;
DROP TABLE cte_before_additions_count;
DROP TABLE cte_sum_additions_to_ladder;
#### CREATE PARAMETERS FOR LADDERS
SET @ladder_type = 'ladder_advocacy'; # remove in data studio
CREATE TEMPORARY TABLE cte_leenk_ladder_history
SELECT
member_id
,ladder_change
,date_trigger_event
,@ladder_type
,CASE WHEN @ladder_type='ladder_advocacy' THEN ladder_advocacy
WHEN @ladder_type='ladder_elected' THEN ladder_elected
WHEN @ladder_type='ladder_policy' THEN ladder_policy
WHEN @ladder_type='ladder_organizing' THEN ladder_organizing
WHEN @ladder_type='ladder_collective' THEN ladder_collective
WHEN @ladder_type='ladder_engagement' THEN ladder_engagement
END
AS ladder_value
FROM leeds_new.leenk_ladder_history;
#### GET CURRENT LADDER INFO
# 1. Get member_id AND ladder hist value between X dates ## NEED TO FIX DATES IN DATA STUDIO
CREATE TEMPORARY TABLE cte_ladder_value_between
SELECT
cte_leenk_ladder_history.member_id AS member_id,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL
AND date_trigger_event BETWEEN CAST('2018-01-01' AS DATE) AND CAST('2018-06-01' AS DATE);
# 2. First get members most recent record date
CREATE TEMPORARY TABLE cte_most_recent_record
SELECT
cte_ladder_value_between.member_id AS member_id,
MAX(cte_ladder_value_between.date_trigger_event) AS date_trigger_event_max
FROM cte_ladder_value_between
GROUP BY cte_ladder_value_between.member_id;
# 3. Get the rung value for the most recent ladder level
CREATE TEMPORARY TABLE cte_most_recent_record_ladder_level
SELECT
cte_leenk_ladder_history.member_id,
cte_leenk_ladder_history.ladder_value,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
INNER JOIN
cte_most_recent_record ON cte_leenk_ladder_history.member_id = cte_most_recent_record.member_id
AND cte_leenk_ladder_history.date_trigger_event = cte_most_recent_record.date_trigger_event_max
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL;
#### GET LADDER IMMEDIATELY BEFORE
# 4. Get member_id AND ladder hist value between X dates BEFORE
CREATE TEMPORARY TABLE cte_ladder_value_before
SELECT
cte_leenk_ladder_history.member_id AS member_id,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL
AND date_trigger_event < CAST('2018-01-01' AS DATE);
# 5. First get members most recent record date BEFORE
CREATE TEMPORARY TABLE cte_most_recent_record_before
SELECT
cte_ladder_value_before.member_id AS member_id,
MAX(cte_ladder_value_before.date_trigger_event) AS date_trigger_event_max
FROM cte_ladder_value_before
GROUP BY cte_ladder_value_before.member_id;
# 6. Get the rung value for the most recent ladder level BEFORE
CREATE TEMPORARY TABLE cte_most_recent_record_before_ladder_level
SELECT
cte_leenk_ladder_history.member_id,
cte_leenk_ladder_history.ladder_value,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
INNER JOIN
cte_most_recent_record_before ON cte_leenk_ladder_history.member_id = cte_most_recent_record_before.member_id
AND cte_leenk_ladder_history.date_trigger_event = cte_most_recent_record_before.date_trigger_event_max
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL;
#### COUNT CURRENT & BEFORE LADDERS, THEN DIFFERENCE
# 7. current period counts
CREATE TEMPORARY TABLE cte_additions_to_current_rung
SELECT
cte_most_recent_record_ladder_level.ladder_value,
COUNT(cte_most_recent_record_ladder_level.ladder_value) AS additions_to_current_rung
FROM cte_most_recent_record_ladder_level
GROUP BY cte_most_recent_record_ladder_level.ladder_value;
# 8. before COUNTs
CREATE TEMPORARY TABLE cte_before_additions_count
SELECT
cte_most_recent_record_before_ladder_level.ladder_value,
COUNT(cte_most_recent_record_before_ladder_level.ladder_value) AS before_additions_count
FROM cte_most_recent_record_before_ladder_level
GROUP BY cte_most_recent_record_before_ladder_level.ladder_value;
# 9. SUM additions to rung + before additions
SELECT
cte_additions_to_current_rung.ladder_value,
additions_to_current_rung,
before_additions_count,
additions_to_current_rung + before_additions_count AS total_ladder_counts
FROM cte_additions_to_current_rung
INNER JOIN cte_before_additions_count ON cte_additions_to_current_rung.ladder_value = cte_before_additions_count.ladder_value;
# 10. ADD: HOW MANY WERE LOST IN TIME PERIOD
### as to figure this one out
#### END STORED PROCEDURE
END //
DELIMITER ;
预期结果(这在存储过程之外返回):
有人知道这是怎么回事吗?谢谢。
最佳答案
想通了。做了一些微小的改变,它起作用了:
#### OPEN STORED PROCEDURE
CREATE PROCEDURE LadderConversionUpDown9()
BEGIN
### set parameter at top of stored procedure - alissa will also look it up; sam will look it up for 12/12
#### DROP TABLE IF EXISTS IF NEEDED
DROP TABLE IF EXISTS cte_leenk_ladder_history;
DROP TABLE IF EXISTS cte_ladder_value_between;
DROP TABLE IF EXISTS cte_current_record_date;
DROP TABLE IF EXISTS cte_current_record_ladder_level;
DROP TABLE IF EXISTS cte_ladder_value_before_current;
DROP TABLE IF EXISTS cte_ladder_date_before_current_period;
DROP TABLE IF EXISTS cte_ladder_level_before_current_period;
DROP TABLE IF EXISTS cte_additions_to_current_rung;
DROP TABLE IF EXISTS cte_start_of_period_count;
DROP TABLE IF EXISTS cte_sum_additions_to_ladder;
#### CREATE PARAMETERS FOR LADDERS
SET @ladder_type = 'ladder_advocacy'; # remove in data studio
CREATE TEMPORARY TABLE cte_leenk_ladder_history
SELECT
member_id
,ladder_change
,date_trigger_event
,@ladder_type
,CASE WHEN @ladder_type='ladder_advocacy' THEN ladder_advocacy
WHEN @ladder_type='ladder_elected' THEN ladder_elected
WHEN @ladder_type='ladder_policy' THEN ladder_policy
WHEN @ladder_type='ladder_organizing' THEN ladder_organizing
WHEN @ladder_type='ladder_collective' THEN ladder_collective
WHEN @ladder_type='ladder_engagement' THEN ladder_engagement
END
AS ladder_value
FROM leeds_new.leenk_ladder_history;
#### GET CURRENT LADDER INFO
# 1. Get member_id AND ladder hist value between X dates ## NEED TO FIX DATES IN DATA STUDIO
CREATE TEMPORARY TABLE cte_ladder_value_between
SELECT
cte_leenk_ladder_history.member_id AS member_id,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL
AND date_trigger_event BETWEEN CAST('2018-01-01' AS DATE) AND CAST('2018-06-01' AS DATE);
# 2. First get members CURRENT record date
CREATE TEMPORARY TABLE cte_current_record_date
SELECT
cte_ladder_value_between.member_id AS member_id,
MAX(cte_ladder_value_between.date_trigger_event) AS date_trigger_event_max
FROM cte_ladder_value_between
GROUP BY cte_ladder_value_between.member_id;
# 3. Get the rung value for the CURRENT ladder level
CREATE TEMPORARY TABLE cte_current_record_ladder_level
SELECT
cte_leenk_ladder_history.member_id,
cte_leenk_ladder_history.ladder_value,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
INNER JOIN
cte_current_record_date ON cte_leenk_ladder_history.member_id = cte_current_record_date.member_id
AND cte_leenk_ladder_history.date_trigger_event = cte_current_record_date.date_trigger_event_max
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL;
#### GET LADDER IMMEDIATELY BEFORE CURRENT PERIOD
# 4. Get member_id AND ladder hist value between X dates BEFORE CURRENT PERIOD
CREATE TEMPORARY TABLE cte_ladder_value_before_current
SELECT
cte_leenk_ladder_history.member_id AS member_id,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL
AND date_trigger_event < CAST('2018-01-01' AS DATE);
# 5. First get members most recent record date BEFORE current period
CREATE TEMPORARY TABLE cte_ladder_date_before_current_period
SELECT
cte_ladder_value_before_current.member_id AS member_id,
MAX(cte_ladder_value_before_current.date_trigger_event) AS date_trigger_event_max
FROM cte_ladder_value_before_current
GROUP BY cte_ladder_value_before_current.member_id;
# 6. Get the rung value for the most recent ladder level BEFORE
CREATE TEMPORARY TABLE cte_ladder_level_before_current_period
SELECT
cte_leenk_ladder_history.member_id,
cte_leenk_ladder_history.ladder_value,
cte_leenk_ladder_history.date_trigger_event
FROM cte_leenk_ladder_history
INNER JOIN
cte_ladder_date_before_current_period ON cte_leenk_ladder_history.member_id = cte_ladder_date_before_current_period.member_id
AND cte_leenk_ladder_history.date_trigger_event = cte_ladder_date_before_current_period.date_trigger_event_max
WHERE cte_leenk_ladder_history.ladder_change = 1 AND cte_leenk_ladder_history.ladder_value IS NOT NULL;
#### COUNT CURRENT & START OF PERIOD LADDER LEVELS, THEN DIFFERENCE
# 7. addition counts
CREATE TEMPORARY TABLE cte_additions_to_current_rung
SELECT
cte_current_record_ladder_level.ladder_value,
COUNT(cte_current_record_ladder_level.ladder_value) AS additions_to_current_rung
FROM cte_current_record_ladder_level
GROUP BY cte_current_record_ladder_level.ladder_value;
# 8. Start of Period COUNTs
CREATE TEMPORARY TABLE cte_start_of_period_count
SELECT
cte_ladder_level_before_current_period.ladder_value,
COUNT(cte_ladder_level_before_current_period.ladder_value) AS start_of_period_count
FROM cte_ladder_level_before_current_period
GROUP BY cte_ladder_level_before_current_period.ladder_value;
# 9. SUM additions to rung + start of period additions
SELECT
cte_additions_to_current_rung.ladder_value,
additions_to_current_rung,
start_of_period_count,
additions_to_current_rung + start_of_period_count AS total_ladder_counts
FROM cte_additions_to_current_rung
INNER JOIN cte_start_of_period_count ON cte_additions_to_current_rung.ladder_value = cte_start_of_period_count.ladder_value;
# 10. LOST from rung
# count IDs where ladder_current <> ladder_beginning -- will talk about 12/12
# SELECT
# cte_current_record_ladder_level.ladder_value as current_ladder_value,
# cte_ladder_level_before_current_period.ladder_value as prior_ladder_value,
# count(cte_current_record_ladder_level.ladder_value) as count_current_ladder_value
# FROM
# cte_current_record_ladder_level
# INNER JOIN cte_ladder_level_before_current_period
# ON cte_ladder_level_before_current_period.member_id = cte_ladder_level_before_current_period.member_id
# WHERE cte_current_record_ladder_level.ladder_value != cte_ladder_level_before_current_period.ladder_value
## ORDER BY cte_current_record_ladder_level.ladder_value;
#### END STORED PROCEDURE
END
关于mysql 存储过程返回 0 行受影响,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53728513/
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