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Handle empty strings in MonitorsIds

This commit is contained in:
Isaac Connor 2017-12-04 17:00:52 -05:00
parent 7bba52e0d4
commit 1f2f708287
1 changed files with 1 additions and 1 deletions
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2
db/zm_update-1.31.16.sql
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@ -77,7 +77,7 @@ SET @s = (SELECT IF(
AND table_name = 'Groups'
AND column_name = 'MonitorIds'
) > 0,
"REPLACE INTO Groups_Monitors (GroupId,MonitorId) SELECT Id,SUBSTRING_INDEX(SUBSTRING_INDEX(t.MonitorIds, ',', n.n), ',', -1) value FROM Groups t CROSS JOIN ( SELECT a.N + b.N * 10 + 1 n FROM (SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) a ,(SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) b ORDER BY n ) n WHERE n.n <= 1 + (LENGTH(t.MonitorIds) - LENGTH(REPLACE(t.MonitorIds, ',', ''))) ORDER BY value;",
"REPLACE INTO Groups_Monitors (GroupId,MonitorId) SELECT Id,SUBSTRING_INDEX(SUBSTRING_INDEX(t.MonitorIds, ',', n.n), ',', -1) value FROM Groups t CROSS JOIN ( SELECT a.N + b.N * 10 + 1 n FROM (SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) a ,(SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) b ORDER BY n ) n WHERE t.MonitorIds != '' AND n.n <= 1 + (LENGTH(t.MonitorIds) - LENGTH(REPLACE(t.MonitorIds, ',', ''))) ORDER BY value;",
"SELECT 'MonitorIds has already been removed.'"
));