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countTable

countTable contains all reported counts of all assets.

less than a minute

Usage

This table contains all reported counts of the assets.

Structure

key	data type	description	example
`timestamp`	`timestamptz`	Entry timestamp	0
`asset_id`	`serial`	Asset id (see assetTable)	1
`count`	`integer`	A count greater 0	1

Relations

DDL

CREATE TABLE IF NOT EXISTS countTable
(
    timestamp                TIMESTAMPTZ                         NOT NULL,
    asset_id            SERIAL REFERENCES assetTable (id),
    count INTEGER CHECK (count > 0),
    UNIQUE(timestamp, asset_id)
);
-- creating hypertable
SELECT create_hypertable('countTable', 'timestamp');

-- creating an index to increase performance
CREATE INDEX ON countTable (asset_id, timestamp DESC);

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