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Added more docs and tests

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This commit is contained in:
Jack Christensen
2022-11-12 10:13:20 -06:00
parent 14be51536b
commit 2e9e2865f9
2 changed files with 98 additions and 4 deletions
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rows.go
+7 -4
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@@ -546,16 +546,19 @@ func (rs *positionalStructRowScanner) appendScanTargets(dstElemValue reflect.Val
return scanTargets
}
// RowToStructByName returns a T scanned from row. T must be a struct. T must have the same number a named public fields as row
// has fields. The row and T fields will by matched by name.
// RowToStructByName returns a T scanned from row. T must be a struct. T must have the same number of named public
// fields as row has fields. The row and T fields will by matched by name. The match is case-insensitive. The database
// column name can be overridden with a "db" struct tag. If the "db" struct tag is "-" then the field will be ignored.
func RowToStructByName[T any](row CollectableRow) (T, error) {
var value T
err := row.Scan(&namedStructRowScanner{ptrToStruct: &value})
return value, err
}
// RowToAddrOfStructByPos returns the address of a T scanned from row. T must be a struct. T must have the same number a
// named public fields as row has fields. The row and T fields will by matched by name.
// RowToAddrOfStructByPos returns the address of a T scanned from row. T must be a struct. T must have the same number
// of named public fields as row has fields. The row and T fields will by matched by name. The match is
// case-insensitive. The database column name can be overridden with a "db" struct tag. If the "db" struct tag is "-"
// then the field will be ignored.
func RowToAddrOfStructByName[T any](row CollectableRow) (*T, error) {
var value T
err := row.Scan(&namedStructRowScanner{ptrToStruct: &value})