- Select all of the columns from the table
- More complex might delay loading of some columns until used
- Use the primary key passed in to generate the where clause
- Note, primary key spans two columns
- SQLForm() is a utility routine to help format SQL queries
- Throw exception if DB query can't find row
- Extract data from query results back into instance data
- Storage of long integer values in DB varies from DB to DB
- Broke time value up into 2 integer values
- Set marker that cached state is unmodified
- Performance optimization
- Avoid writing out instance data when it is unchanged
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