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shiftTable

shiftTable contains shifts with asset, start and finish timestamp

less than a minute

Usage

This table stores shifts

Structure

key	data type	description	example
`id`	`serial`	Auto incrementing id	0
`type`	`integer`	Shift type (1 for shift, 0 for no shift)	1
`begin_timestamp`	`timestamptz`	Begin of the shift	3
`end_timestamp`	`timestamptz`	End of the shift	10
`asset_id`	`text`	Asset ID the shift is performed on (see assetTable)	1

Relations

DDL

-- Using btree_gist to avoid overlapping shifts
-- Source: https://gist.github.com/fphilipe/0a2a3d50a9f3834683bf
CREATE EXTENSION btree_gist;
CREATE TABLE IF NOT EXISTS shiftTable
(
    id              SERIAL      PRIMARY KEY,
    type            INTEGER,
    begin_timestamp TIMESTAMPTZ NOT NULL,
    end_timestamp   TIMESTAMPTZ,
    asset_id        SERIAL      REFERENCES assetTable (id),
    unique (begin_timestamp, asset_id),
    CHECK (begin_timestamp < end_timestamp),
    EXCLUDE USING gist (asset_id WITH =, tstzrange(begin_timestamp, end_timestamp) WITH &&)
);

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