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.StorageLayer()always points to the storage layer inside TestServer..SystemLayer()always points to the special system interface inside TestServer (previously known as “system tenant” in previous versions of CockroachDB).
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Temporary API pitfall and misdesign
As of this writing, TestServerInterface also contains the following:
| Code Block | ||
|---|---|---|
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type TestServerInterface interface {
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... |
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// |
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ApplicationLayerInterface |
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is |
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implemented |
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by TestServerInterface |
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// for |
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backward-compatibility |
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with |
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existing test code. |
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// |
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// |
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It |
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is |
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CURRENTLY |
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equivalent to |
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|
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. |
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SystemLayer() |
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however // |
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this |
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results |
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in |
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poor |
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test semantics. |
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// // |
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New |
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tests |
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should |
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spell |
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out |
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their |
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intent |
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clearly |
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by calling // |
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the .ApplicationLayer() (preferred) or .SystemLayer() methods directly. |
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ApplicationLayerInterface ... } |