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annotate OrthancServer/Database/InstallTrackAttachmentsSize.sql @ 3711:14b363d972a8 storage-commitment

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experimenting boost::movelib::unique_ptr
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 02 Mar 2020 10:13:34 +0100
parents 61da3c9b4121
children
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3018
e3b5c07146a3 speeding up the computation of the size of the attachments in SQLite
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1 CREATE TABLE GlobalIntegers(
e3b5c07146a3 speeding up the computation of the size of the attachments in SQLite
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2 key INTEGER PRIMARY KEY,
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3 value INTEGER);
e3b5c07146a3 speeding up the computation of the size of the attachments in SQLite
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4
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8336204d95dc refactoring computation of disk size for recycling
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5 INSERT INTO GlobalProperties VALUES (6, 1); -- GlobalProperty_GetTotalSizeIsFast
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6
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7 INSERT INTO GlobalIntegers SELECT 0, IFNULL(SUM(compressedSize), 0) FROM AttachedFiles;
e3b5c07146a3 speeding up the computation of the size of the attachments in SQLite
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8 INSERT INTO GlobalIntegers SELECT 1, IFNULL(SUM(uncompressedSize), 0) FROM AttachedFiles;
e3b5c07146a3 speeding up the computation of the size of the attachments in SQLite
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9
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10 CREATE TRIGGER AttachedFileIncrementSize
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11 AFTER INSERT ON AttachedFiles
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12 BEGIN
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13 UPDATE GlobalIntegers SET value = value + new.compressedSize WHERE key = 0;
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14 UPDATE GlobalIntegers SET value = value + new.uncompressedSize WHERE key = 1;
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15 END;
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16
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17 CREATE TRIGGER AttachedFileDecrementSize
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18 AFTER DELETE ON AttachedFiles
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19 BEGIN
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20 UPDATE GlobalIntegers SET value = value - old.compressedSize WHERE key = 0;
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21 UPDATE GlobalIntegers SET value = value - old.uncompressedSize WHERE key = 1;
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22 END;