forked from D-Net/dnet-hadoop
43 lines
1.2 KiB
SQL
43 lines
1.2 KiB
SQL
DROP VIEW IF EXISTS mdstores_with_info;
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DROP TABLE IF EXISTS mdstore_current_versions;
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DROP TABLE IF EXISTS mdstore_versions;
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DROP TABLE IF EXISTS mdstores;
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CREATE TABLE mdstores (
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id text PRIMARY KEY,
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format text,
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layout text,
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interpretation text,
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datasource_id text,
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api_id text
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);
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CREATE TABLE mdstore_versions (
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id text PRIMARY KEY,
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mdstore text REFERENCES mdstores(id),
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writing boolean,
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readcount int,
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lastupdate timestamp,
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size int
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);
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CREATE TABLE mdstore_current_versions (
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mdstore text PRIMARY KEY REFERENCES mdstores(id),
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current_version text REFERENCES mdstore_versions(id)
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);
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CREATE VIEW mdstores_with_info AS SELECT
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md.id AS id,
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md.format AS format,
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md.layout AS layout,
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md.interpretation AS interpretation,
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md.datasource_id AS datasource_id,
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md.api_id AS api_id,
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cv.current_version AS current_version,
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v.lastupdate AS lastupdate,
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v.size AS size
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FROM
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mdstores md
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LEFT OUTER JOIN mdstore_current_versions cv ON (md.id = cv.mdstore)
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LEFT OUTER JOIN mdstore_versions v ON (cv.current_version = v.id);
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