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EdmiError edmiDeleteAllScratchInstancesOfSchemaBN(SdaiSchema schemaName);
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Delete all scratch instances of the specified schema, i.e., all scratch instances of entities defined in the actual Express schema.
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Scratch instances are volatile instances that will never be written to the persistent EDMdatabase. No persistent instances can have relations to a scratch instance, but a scratch instance can have relations to persistent instances.
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Scratch instances belongs to a session, hence scratch instances cannot be shared by concurrent users of an EDMdatabase.
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All scratch instances created in a session will be permanently deleted when the actual session is closed or the database is closed.
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Arguments
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| Type | Name | Comment |
| SdaiSchema | schemaName | Name of an Express schema existing as a dictionary model in an EDMdatabase. All scratch instances defined by entities in the <schemaName> Express schema will be permanently deleted. Schema names are case insensitive. |
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Return Value
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Options
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Example
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EdmiError rstat; ... if (rstat = edmiDeleteAllScratchInstancesOfSchemaBN ("Pdm_Schema")) { |
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/* Error in operation */ |
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printf("\nError in edmiDeleteAllScratchInstancesOfSchema: %s\n", |
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edmiGetErrorText(rstat)); |
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goto error; |
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}
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See also
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