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Explicitly set UpdateTime to update to current time on a change to the row #28

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merged 4 commits into from Feb 24, 2017
Merged

Explicitly set UpdateTime to update to current time on a change to the row #28

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6d6bf14
Explicitly set timestamps to update
gregcorbett Feb 2, 2017
a010a0c
Add an update_schema.sql
gregcorbett Feb 2, 2017
d3bda1b
Clarify comments on what the script does
gregcorbett Feb 15, 2017
27a2d9e
Remove extra space
gregcorbett Feb 15, 2017
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6 changes: 3 additions & 3 deletions schemas/cloud.sql
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Expand Up @@ -2,7 +2,7 @@
-- CloudRecords

CREATE TABLE CloudRecords (
UpdateTime TIMESTAMP,
UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,

VMUUID VARCHAR(255) NOT NULL,
SiteID INT NOT NULL, -- Foreign key
Expand Down Expand Up @@ -87,7 +87,7 @@ DELIMITER ;

DROP TABLE IF EXISTS CloudSummaries;
CREATE TABLE CloudSummaries (
UpdateTime TIMESTAMP,
UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,

SiteID INT NOT NULL, -- Foreign key

Expand Down Expand Up @@ -253,7 +253,7 @@ DELIMITER ;
-- LastUpdated
DROP TABLE IF EXISTS LastUpdated;
CREATE TABLE LastUpdated (
UpdateTime TIMESTAMP NOT NULL,
UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
Type VARCHAR(255) PRIMARY KEY
);

Expand Down
13 changes: 13 additions & 0 deletions scripts/update_schema.sql
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@@ -0,0 +1,13 @@
-- This script will set any null UpdateTimes to now
-- and then explicitly set the UpdateTimes of
-- future rows to update

UPDATE CloudRecords SET UpdateTime = CURRENT_TIMESTAMP WHERE UpdateTime IS NULL;
ALTER TABLE CloudRecords MODIFY COLUMN UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;

UPDATE CloudSummaries SET UpdateTime = CURRENT_TIMESTAMP WHERE UpdateTime IS NULL;
ALTER TABLE CloudSummaries MODIFY COLUMN UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;

UPDATE LastUpdated SET UpdateTime = CURRENT_TIMESTAMP WHERE UpdateTime IS NULL;
ALTER TABLE LastUpdated MODIFY COLUMN UpdateTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;