ืคืืืข ื ืืฆื ืกืคึผืขืฉืึทืืืืื ืืืฉืืจืื ืฆื ืฉืึทืคึฟื ืคึผืจืึธืืกืืืืฉืขืจื ืคึฟืึทืจ ืืงืกืืจืึทืงืืื ื, ืืจืึทื ืกืคืึธืจืืื ื ืืื ืืึธืืืื ื ืืึทืื ืืื ืจืืืืืฉืึทื ืึทื ืืึทืืึทืืืืกืื. ืืขืจ ืคึผืจืึธืฆืขืก ืคืื ืืจืืขืื ืืืฉืืจืื ืืื ืืึธืื, ืขืจืจืึธืจืก ืืขื ืขื ืคืึทืจืคืขืกืืืงื.
ืืื ืคืึทื ืคืื ืึท ืืขืืช, ืื ืงืืึธืฅ ืึผืืื ืืื ืคึฟืึธืจืืึทืฆืืข ืึทื ืื ืืขืฆืืึทื ืืื ื ืืฉื ืฆื ืคืึทืจืขื ืืืงื ืื ืึทืจืืขื ืืื ืืืึธืก ืืึทืืืฉืืื (ืึธืคื ืืืฉืึทืืืึท) ืกืืึทืคึผื ืืื. ืืื ืื ืืขืฆืืข ืฉืืจืืช, ืืืจ ืงืขื ืขื ืืขืคึฟืื ืขื ืึท ืืึทืืึทืืืืก ืืขืืช, ืืืฉื, ืึท ืืื ืฆืืง ืฉืืืกื ืืืืขื ืคืื ืื ืืืฉ.
ืฆื ืขื ืืคึฟืขืจื ืื ืงืฉืื ืคืื ืืืึธืก ืจืึธืืข ETL ืืขืืช ืืื ืคึฟืึธืจืืึทืฆืืข ืคืืขืกืขืก, ืืื ืืึธืื ืงืืึทืกืึทืคืืื ืึทืืข ืื ืคืจืืืืขืืขื ืืืึธืก ืืึธืื ืคืืจืืขืงืืืขื ืืื ืื ืืขืฆืืข ืฆืืืื ืืึธืจ ืืื ืึท ืืึทื ืฅ ืืจืืืก ืจืืคึผืึทืืึทืืึธืจื.
ืืึทืืึทืืึทืกืข ืขืจืจืึธืจืก ืึทืจืืึทื ื ืขืืขื ื ืื ืืขื ืื ืคึผืืึทืฅ, ืคืึทืจืคืึทืื ืงืฉืจ, ืกืขืกืืข ืืขืืื ืืขื, ืขืืง.
ืืึทืืืฉืืงืึทื ืขืจืจืึธืจืก ืึทืจืืึทื ื ืขืืขื ืึทืืึท ืืื ืืืืขื ืคืื ืืืฉ ืฉืืืกืืขื, ื ืื-ืืืืืืง ืึทืืืืฉืขืงืฅ, ืคืขืื ืคืื ืึทืงืกืขืก ืฆื ืึทืืืืฉืขืงืฅ, ืขืืง.
ืืขืจ ืกืงืขืืืฉืืืขืจ ืงืขื ื ืืฉื ืึธื ืืืืื ืืื ืฆืืื, ืขืก ืงืขื ืคืจืืจื, ืืื"ื ื.
ืคึผืฉืื ืืืกืืืืงืก ืืึธื ื ืื ื ืขืืขื ืืึทื ื ืฆื ืคืึทืจืจืืืื. ื ืืื ETL ืงืขื ืขื ืฉืขืคึผื ืจืืึฟ ืคืื ืืื ืืืืฃ ืืื.
ืงืึธืืคึผืืขืงืก ืืึทืื ืืึทืื ืขืก ื ืืืืืง ืฆื ืึทื ืืืขืงื ืืื ืคึผืจืืืืจื ืคึผืจืึธืืกืืืืฉืขืจื ืคึฟืึทืจ ืืจืืขืื ืืื ืืึทืื, ืฆื ืืืกืคืึธืจืฉื ืืึทืื ืงืืืืื. ืึธืคื ืคืืจื ืฆื ืื ื ืืื ืคึฟืึทืจ ืืืืฉื ืืขืกืืื ื ืืื ืืืคึผืืืืืึทื ื.
ืึทืืื, ืืึทืื ืคืื ืึทืืข ืคึผืจืึธืืืขืืก ืืขื ืขื ืฉืืึทืืืช ืฆื ืื ืืึทืืึทืืืืก. 48% ืคืื ืึทืืข ืืืกืืืืงืก ืืขื ืขื ืคึผืฉืื ืืืกืืืืงืก.
ื ืืจืื ืคืื ืึทืืข ืคึผืจืึธืืืขืืก ืืขื ืขื ืฉืืึทืืืช ืฆื ืืฉืึทื ืืื ื ืื ืกืืึธืจืืืืฉ ืืึธืืืง ืึธืืขืจ ืืึธืืขื, ืืขืจ ืืื ืืึทืื ืคืื ืื ืขืจืจืึธืจืก ืืขื ืขื ืงืึธืืคึผืืขืงืก.
ืืื ืืืืื ืืงืขืจ ืืื 18/XNUMX ืคืื ืึทืืข ืคึผืจืึธืืืขืืก ืืขื ืขื ืฉืืึทืืืช ืฆื ืื ืึทืจืืขื ืกืงืขืืืฉืืืขืจ, XNUMX% ืคืื ืืืึธืก ืืขื ืขื ืคึผืฉืื ืขืจืจืึธืจืก.
ืืื ืึทืืืขืืืื, 22% ืคืื ืึทืืข ืขืจืจืึธืจืก ืืืึธืก ืคืึทืื ืืขื ืขื ืงืึธืืคึผืืขืงืก, ืืื ืืืืขืจ ืงืขืจืขืงืฉืึทื ืจืืงืืืืืขืจื ืื ืืขืจืกื ืืคืืขืจืงืืึทืืงืืื ืืื ืฆืืื. ืืื ืคึผืึทืกืืจื ืึทืืึธื ืึท ืืืึธื. ืืืืขืจืึทื ืคึผืฉืื ืืืกืืืืงืก ืคึผืึทืกืืจื ืึผืืขื ืืขืืขืจ ืืึธื.
ืืึธื, ืืึธื ืืืึธืจืื ื ืคืื ETL ืคึผืจืึทืกืขืกืึทื ืืืขื ืืืื ืขืคืขืงืืืื ืืืขื ืื ืืขืืช ืึธืจื ืืื ืื ืืขืืืืื ืืื ืื ืงืืึธืฅ ืืื ืึทืงืืขืจืึทืืื ืืื ืืขืืืขื ืืื ืื ืืื ืืืื ืฆืืื ืืื ืคืืจืืื ืื ืฆื ืืขืคึฟืื ืขื ืื ืืงืืจ ืคืื ืืขื ืคึผืจืึธืืืขื.
ืขืคืขืงืืืื ืืึธื ืืืึธืจืื ื
ืืืึธืก ืืื ืืืืื ืฆื ืืขื ืืื ืื ETL ืืึธื ืืืึธืจืื ื ืคึผืจืึธืฆืขืก?
ืึธื ืืืื ืืื - ืืืขื ืขืจ ืกืืึทืจืืขื ืึทืจืืขื,
ืืงืืจ - ืืึทืื ืืงืืจ,
ืฉืืืืข - ืืืึธืก ืืืจืื ืคืื ืกืืึธืจืืืืฉ ืืื ืืึธืืืื,
ETL ืึทืจืืขื ื ืึธืืขื - ืฆืืคึฟืขืืืงืขืจ ืคึผืจืึธืฆืขืืืจ, ืืืึธืก ืืืฉืืืื ืคืื ืคืืืข ืงืืืื ืกืืขืคึผืก,
ืฉืจืื ื ืืืขืจ - ืื ื ืืืขืจ ืคืื ืืขื ืฉืจืื ืืืึธืก ืืื ืืืจืืืขืงืึธืื,
ืึทืคืขืงืืื ืจืึธืื - ืืื ืคืื ืืึทืื ืืื ืฉืืื ืคึผืจืึทืกืขืกื,
ืืขืืืืขืจ ืกืขืง - ืืื ืืึทื ื ืขืก ื ืขืื,
ืกืืึทืืืก - ืฆื ืึทืืฅ ืืื ืืื ืึธืืขืจ ื ืืฉื: ืืื, ืืขืืช, ืคืืืกื ืืืง, ืืึทื ืื
ืึธื ืืึธื - ืืขืฆืืข ืืฆืืื ืึธื ืืึธื ืึธืืขืจ ืืขืืช ืืึทืฉืจืืึทืืื ื.
ืืึทืืืจื ืืืืฃ ืื ืกืืึทืืืก ืคืื ืื ืืืื ืกื, ืืืจ ืงืขื ืขื ืฉืืงื ืึทื E- ืืจืืื. ืืจืืื ืฆื ืื ืืขืจืข ืืืืืืืืขืจ. ืืืื ืขืก ืืขื ืขื ืงืืื ืขืจืจืึธืจืก, ืืขืจ ืืจืืื ืืื ื ืื ื ืืืืืง.
ืืืื, ืืื ืื ืืขืฉืขืขื ืืฉ ืคืื ืึท ืืขืืช, ืื ืึธืจื ืคืื ืืขื ืืื ืฆืืืขื ื ืืื ืงืืืจ ืื ืืขืืืืื.
ืืื ืขืก ืืึทืคึผืึทื ื ืึทื ืื ืืึธื ืืืึธืจืื ื ืืขืฆืืึทื ืืื ืืื ื ืืฉื ืึทืจืืขืื. ืืื ืืขื ืคืึทื, ืขืก ืืื ืืขืืืขื ืฆื ืจืืคื ืึท ืืืื ืื ื (ืืืื ืื ื) ืืืืึทื ืืื ืื ืืึทืืึทืืืืก, ืืืืฃ ืืขืจ ืืืืข ืคืื โโืืืึธืก ืืขืจ ืืึทืจืืื ืืื ืืขืืืื.
ETL ืืึธื ืืืึธืจืื ื ืืืฉ
ืฆื ืื ืกืืจืืืขื ื ืืึธื ืืืึธืจืื ื ืคืื ETL ืคึผืจืึทืกืขืกืึทื, ืืืื ืืืฉ ืืื ืืืื ืืืื ืื ื ืืขื ืขื ืืขื ืื.
ืฆื ืืึธื ืืึธืก, ืืืจ ืงืขื ืขื ืฆืืจืืงืงืืืขื ืฆื ืืื ืฉืึทืคึฟื ืคึผืจืึธืืืึทืืืืคึผ ืืื sqlite ืืึทืืึทืืืืก.
ืืื ืืืฉื
CREATE TABLE UTL_JOB_STATUS (
/* Table for logging of job execution log. Important that the job has the steps ETL_START and ETL_END or ETL_ERROR */
UTL_JOB_STATUS_ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
SID INTEGER NOT NULL DEFAULT -1, /* Session Identificator. Unique for every Run of job */
LOG_DT INTEGER NOT NULL DEFAULT 0, /* Date time */
LOG_D INTEGER NOT NULL DEFAULT 0, /* Date */
JOB_NAME TEXT NOT NULL DEFAULT 'N/A', /* Job name like JOB_STG2DM_GEO */
STEP_NAME TEXT NOT NULL DEFAULT 'N/A', /* ETL_START, ... , ETL_END/ETL_ERROR */
STEP_DESCR TEXT, /* Description of task or error message */
UNIQUE (SID, JOB_NAME, STEP_NAME)
);
INSERT INTO UTL_JOB_STATUS (UTL_JOB_STATUS_ID) VALUES (-1);View/Report DDL
CREATE VIEW IF NOT EXISTS UTL_JOB_STATUS_V
AS /* Content: Package Execution Log for last 3 Months. */
WITH SRC AS (
SELECT LOG_D,
LOG_DT,
UTL_JOB_STATUS_ID,
SID,
CASE WHEN INSTR(JOB_NAME, 'FTP') THEN 'TRANSFER' /* file transfer */
WHEN INSTR(JOB_NAME, 'STG') THEN 'STAGE' /* stage */
WHEN INSTR(JOB_NAME, 'CLS') THEN 'CLEANSING' /* cleansing */
WHEN INSTR(JOB_NAME, 'DIM') THEN 'DIMENSION' /* dimension */
WHEN INSTR(JOB_NAME, 'FCT') THEN 'FACT' /* fact */
WHEN INSTR(JOB_NAME, 'ETL') THEN 'STAGE-MART' /* data mart */
WHEN INSTR(JOB_NAME, 'RPT') THEN 'REPORT' /* report */
ELSE 'N/A' END AS LAYER,
CASE WHEN INSTR(JOB_NAME, 'ACCESS') THEN 'ACCESS LOG' /* source */
WHEN INSTR(JOB_NAME, 'MASTER') THEN 'MASTER DATA' /* source */
WHEN INSTR(JOB_NAME, 'AD-HOC') THEN 'AD-HOC' /* source */
ELSE 'N/A' END AS SOURCE,
JOB_NAME,
STEP_NAME,
CASE WHEN STEP_NAME='ETL_START' THEN 1 ELSE 0 END AS START_FLAG,
CASE WHEN STEP_NAME='ETL_END' THEN 1 ELSE 0 END AS END_FLAG,
CASE WHEN STEP_NAME='ETL_ERROR' THEN 1 ELSE 0 END AS ERROR_FLAG,
STEP_NAME || ' : ' || STEP_DESCR AS STEP_LOG,
SUBSTR( SUBSTR(STEP_DESCR, INSTR(STEP_DESCR, '***')+4), 1, INSTR(SUBSTR(STEP_DESCR, INSTR(STEP_DESCR, '***')+4), '***')-2 ) AS AFFECTED_ROWS
FROM UTL_JOB_STATUS
WHERE datetime(LOG_D, 'unixepoch') >= date('now', 'start of month', '-3 month')
)
SELECT JB.SID,
JB.MIN_LOG_DT AS START_DT,
strftime('%d.%m.%Y %H:%M', datetime(JB.MIN_LOG_DT, 'unixepoch')) AS LOG_DT,
JB.SOURCE,
JB.LAYER,
JB.JOB_NAME,
CASE
WHEN JB.ERROR_FLAG = 1 THEN 'ERROR'
WHEN JB.ERROR_FLAG = 0 AND JB.END_FLAG = 0 AND strftime('%s','now') - JB.MIN_LOG_DT > 0.5*60*60 THEN 'HANGS' /* half an hour */
WHEN JB.ERROR_FLAG = 0 AND JB.END_FLAG = 0 THEN 'RUNNING'
ELSE 'OK'
END AS STATUS,
ERR.STEP_LOG AS STEP_LOG,
JB.CNT AS STEP_CNT,
JB.AFFECTED_ROWS AS AFFECTED_ROWS,
strftime('%d.%m.%Y %H:%M', datetime(JB.MIN_LOG_DT, 'unixepoch')) AS JOB_START_DT,
strftime('%d.%m.%Y %H:%M', datetime(JB.MAX_LOG_DT, 'unixepoch')) AS JOB_END_DT,
JB.MAX_LOG_DT - JB.MIN_LOG_DT AS JOB_DURATION_SEC
FROM
( SELECT SID, SOURCE, LAYER, JOB_NAME,
MAX(UTL_JOB_STATUS_ID) AS UTL_JOB_STATUS_ID,
MAX(START_FLAG) AS START_FLAG,
MAX(END_FLAG) AS END_FLAG,
MAX(ERROR_FLAG) AS ERROR_FLAG,
MIN(LOG_DT) AS MIN_LOG_DT,
MAX(LOG_DT) AS MAX_LOG_DT,
SUM(1) AS CNT,
SUM(IFNULL(AFFECTED_ROWS, 0)) AS AFFECTED_ROWS
FROM SRC
GROUP BY SID, SOURCE, LAYER, JOB_NAME
) JB,
( SELECT UTL_JOB_STATUS_ID, SID, JOB_NAME, STEP_LOG
FROM SRC
WHERE 1 = 1
) ERR
WHERE 1 = 1
AND JB.SID = ERR.SID
AND JB.JOB_NAME = ERR.JOB_NAME
AND JB.UTL_JOB_STATUS_ID = ERR.UTL_JOB_STATUS_ID
ORDER BY JB.MIN_LOG_DT DESC, JB.SID DESC, JB.SOURCE;SQL ืืฉืขืง ืืืื ืขืก ืืื ืืขืืืขื ืฆื ืืึทืงืืืขื ืึท ื ืืึทืข ืกืขืกืืข ื ืืืขืจ
SELECT SUM (
CASE WHEN start_job.JOB_NAME IS NOT NULL AND end_job.JOB_NAME IS NULL /* existed job finished */
AND NOT ( 'y' = 'n' ) /* force restart PARAMETER */
THEN 1 ELSE 0
END ) AS IS_RUNNING
FROM
( SELECT 1 AS dummy FROM UTL_JOB_STATUS WHERE sid = -1) d_job
LEFT OUTER JOIN
( SELECT JOB_NAME, SID, 1 AS dummy
FROM UTL_JOB_STATUS
WHERE JOB_NAME = 'RPT_ACCESS_LOG' /* job name PARAMETER */
AND STEP_NAME = 'ETL_START'
GROUP BY JOB_NAME, SID
) start_job /* starts */
ON d_job.dummy = start_job.dummy
LEFT OUTER JOIN
( SELECT JOB_NAME, SID
FROM UTL_JOB_STATUS
WHERE JOB_NAME = 'RPT_ACCESS_LOG' /* job name PARAMETER */
AND STEP_NAME in ('ETL_END', 'ETL_ERROR') /* stop status */
GROUP BY JOB_NAME, SID
) end_job /* ends */
ON start_job.JOB_NAME = end_job.JOB_NAME
AND start_job.SID = end_job.SIDืืึทืืืข ืคึฟืขืึดืงืืืื:
- ืืขืจ ืึธื ืืืื ืืื ืกืืฃ ืคืื ืื ืืึทืื ืคึผืจืึทืกืขืกืื ื ืคึผืจืึธืฆืขืืืจ ืืืื ืืืื ื ืืืืขืืื ืืขื ืืืจื ืื ืกืืขืคึผืก ETL_START ืืื ETL_END
- ืืื ืคืึทื ืคืื ืึท ืืขืืช, ืื ETL_ERROR ืฉืจืื ืืื ืืืื ืืึทืฉืจืืึทืืื ื ืืึธื ืืืื ืืืฉืืคื
- ืื ืกืืืข ืคืื โโืคึผืจืึทืกืขืกื ืืึทืื ืืึธื ืืืื ืืืืืืืืื, ืืืฉื, ืืื ืึทืกืืขืจืืกืงืก
- ืืขืจ ืืขืืืืงืขืจ ืคึผืจืึธืฆืขืืืจ ืงืขื ืขื ืืืื ืกืืึทืจืืขื ืืื ืืขืจ ืืขืืืืงืขืจ ืฆืืื ืืื ืื ืคืึธืจืกืข_ืจืืกืืึทืจื = ื ืคึผืึทืจืึทืืขืืขืจ, ืึธื ืขืก ืื ืกืขืกืืข ื ืืืขืจ ืืื ืืจืืืก ืืืืื ืฆื ืื ืืขืขื ืืืงื ืคึผืจืึธืฆืขืืืจ
- ืืื ื ืึธืจืืึทื ืืึธืืข, ืืืจ ืงืขื ืขื ื ืืฉื ืืืืคื ืื ืืขืืืข ืืึทืื ืคึผืจืึทืกืขืกืื ื ืคึผืจืึธืฆืขืืืจ ืืื ืคึผืึทืจืึทืืขื
ืื ื ืืืืืง ืึทืคึผืขืจืืืฉืึทื ื ืคึฟืึทืจ ืืจืืขืื ืืื ืึท ืืืฉ ืืขื ืขื ืืื ืืืื:
- ืืึทืงืืืขื ืื ืกืขืกืืข ื ืืืขืจ ืคืื ืื ืคืืืกื ืืืง ETL ืคึผืจืึธืฆืขืืืจ
- ืึทืจืืึทื ืืืืื ืงืืึธืฅ ืคึผืึธืืืฆืืข ืืื ืืืฉ
- ืืึทืงืืืขื ืื ืืขืฆืืข ืืฆืืื ืจืขืงืึธืจื ืคืื ืึทื ETL ืคึผืจืึธืฆืขืืืจ
ืืื ืืึทืืึทืืืืกืื ืึทืืึท ืืื Oracle ืึธืืขืจ Postgres, ืื ืึทืคึผืขืจืืืฉืึทื ื ืงืขื ืขื ืืืื ืืืคึผืืึทืืขื ืึทื ืืื ืืขืืืื-ืืื ืคืึทื ืืงืฉืึทื ื. sqlite ืจืืงืืืืืขืจื ืึท ืคืื ืืจืืืกื ืืืง ืืขืงืึทื ืืืึทื, ืืื ืืื ืืขื ืคืึทื ืขืก .
ืจืขืืืืืึทื
ืืืื, ืืขืืช ืึทืจืืืงืืขื ืืื ืืึทืื ืคึผืจืึทืกืขืกืื ื ืืืฉืืจืื ืฉืคึผืืื ืึท ืืขืืึท-ืืืืืืืง ืจืึธืืข. ืืืขืจ ืขืก ืืื ืฉืืืขืจ ืฆื ืจืืคื ืืื ืึธืคึผืืืืึทื ืคึฟืึทืจ ืืขืฉืืืื ื ืืขืคึฟืื ืขื ืื ืืจืื ื ืคืื ืื ืคึผืจืึธืืืขื. ืืืขื ืื ื ืืืขืจ ืคืื ืคึผืจืึธืืกืืืืฉืขืจื ืึทืคึผืจืึธืืืฉืื ืึท ืืื ืืขืจื, ืืขืืึธืื ืคึผืจืึธืฆืขืก ืืึธื ืืืึธืจืื ื ืืืจื ืก ืืื ืึท ืงืึธืืคึผืืขืงืก ืคึผืจืืืขืงื.
ืืขืจ ืึทืจืืืงื ืืื ืึท ืืืึทืฉืคึผืื ืคืื ืึท ืืขืืืขื ืืืืืื ื ืฆื ืืขื ืคึผืจืึธืืืขื ืืื ืื ืคืึธืจืขื ืคืื ืึท ืคึผืจืึธืืืึทืืืืคึผ. ืื ืืื ืฆืข ืงืืืื ืจืืคึผืึทืืึทืืึธืจื ืคึผืจืึธืืืึทืืืืคึผ ืืื ืื ืืืฆื ืืื ืืืืืึทื .
ืืงืืจ: www.habr.com