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sql: document that for drivers, io.EOF means no more rows

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This was used in the sql package + tests, but never
documented.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5372107
This commit is contained in:
Brad Fitzpatrick 2011-11-15 14:29:45 -08:00
parent 471e43cf00
commit 5b7827ec07
1 changed files with 2 additions and 0 deletions
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2
src/pkg/exp/sql/driver/driver.go
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@ -138,6 +138,8 @@ type Rows interface {
// The dest slice may be populated with only with values // The dest slice may be populated with only with values
// of subset types defined above, but excluding string. // of subset types defined above, but excluding string.
// All string values must be converted to []byte. // All string values must be converted to []byte.
//
// Next should return io.EOF when there are no more rows.
Next(dest []interface{}) error Next(dest []interface{}) error
} }