27 lines
789 B
Go
27 lines
789 B
Go
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package mydb
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// Iterator provides methods for iterating over query results.
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type Iterator interface {
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// ResultMapper provides methods to retrieve and map results.
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ResultMapper
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// Scan dumps the current result into the given pointer variable pointers.
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Scan(dest ...interface{}) error
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// NextScan advances the iterator and performs Scan.
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NextScan(dest ...interface{}) error
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// ScanOne advances the iterator, performs Scan and closes the iterator.
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ScanOne(dest ...interface{}) error
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// Next dumps the current element into the given destination, which could be
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// a pointer to either a map or a struct.
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Next(dest ...interface{}) bool
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// Err returns the last error produced by the cursor.
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Err() error
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// Close closes the iterator and frees up the cursor.
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Close() error
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}
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