18 lines
649 B
MySQL
18 lines
649 B
MySQL
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-- this table shows when we started/stopped logging.
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CREATE TABLE "drive_records" (
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"id" INTEGER NOT NULL UNIQUE, -- unique ID of the drive.
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"start_time" INTEGER NOT NULL, -- when the drive started
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"end_time" INTEGER, -- when it ended, or NULL if it's ongoing.
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"note" TEXT, -- optional description of the segment/experiment/drive
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PRIMARY KEY("id" AUTOINCREMENT),
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CONSTRAINT "duration_valid" CHECK(end_time is null or start_time < end_time)
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);
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CREATE TABLE "position_logs" (
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"ts" INTEGER NOT NULL,
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"source" TEXT NOT NULL,
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"lat" REAL NOT NULL,
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"lon" REAL NOT NULL,
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"elevation" REAL,
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CONSTRAINT "no_empty_source" CHECK(source is not "")
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);
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