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Index on syncapi_send_to_device
table (#2684)
Introduced index improves select query performance. Example execution time of `selectSendToDeviceMessagesSQL` query dropped from 80 ms to 15 ms. No sytest modifications are required. ### Pull Request Checklist * [x] I have added added tests for PR _or_ I have justified why this PR doesn't need tests. * [x] Pull request includes a [sign off](https://github.com/matrix-org/dendrite/blob/main/docs/CONTRIBUTING.md#sign-off) Signed-off-by: `Piotr Kozimor <p1996k@gmail.com>`
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@ -41,6 +41,8 @@ CREATE TABLE IF NOT EXISTS syncapi_send_to_device (
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-- The event content JSON.
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content TEXT NOT NULL
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);
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CREATE INDEX IF NOT EXISTS syncapi_send_to_device_user_id_device_id_idx ON syncapi_send_to_device(user_id, device_id);
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`
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const insertSendToDeviceMessageSQL = `
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@ -39,6 +39,8 @@ CREATE TABLE IF NOT EXISTS syncapi_send_to_device (
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-- The event content JSON.
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content TEXT NOT NULL
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);
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CREATE INDEX IF NOT EXISTS syncapi_send_to_device_user_id_device_id_idx ON syncapi_send_to_device(user_id, device_id);
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`
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const insertSendToDeviceMessageSQL = `
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