17 lines
458 B
SQL
17 lines
458 B
SQL
CREATE UNIQUE INDEX java_versions_major_version_path
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ON java_versions(major_version, path);
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CREATE TABLE java_default_versions (
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major_version INTEGER NOT NULL PRIMARY KEY,
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path TEXT NOT NULL,
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FOREIGN KEY (major_version, path)
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REFERENCES java_versions(major_version, path)
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ON DELETE CASCADE
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ON UPDATE CASCADE
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);
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INSERT INTO java_default_versions (major_version, path)
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SELECT major_version, MIN(path)
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FROM java_versions
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GROUP BY major_version;
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