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newdevs:db:fm

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newdevs:db:fm [2025/07/29 11:24] – [reltype] smayonewdevs:db:fm [2025/07/29 11:26] (current) – [reltype] smayo
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 === reltype === === reltype ===
  
-There are 3 reltypes: has_a, has_many, might_have. +There are 3 reltypes:
- +
-These distinctions are to indicate key directionality. They are not to indicate nullability. +
   * has_a -- the field physically exists as a column (as in, does not have the @oils_persist:virtual="true" attribute) on the SQL relation being described, and points to a unique key column (usually the primary key) of another SQL relation represented by another IDL class.   * has_a -- the field physically exists as a column (as in, does not have the @oils_persist:virtual="true" attribute) on the SQL relation being described, and points to a unique key column (usually the primary key) of another SQL relation represented by another IDL class.
  
newdevs/db/fm.1753802697.txt.gz · Last modified: 2025/07/29 11:24 by smayo
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