39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package wrapper
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import (
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"database/sql/driver"
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"errors"
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"fmt"
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)
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// ErrUnsupported is an error returned when the underlying driver doesn't provide a given function.
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var ErrUnsupported = errors.New("operation unsupported by the underlying driver")
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// namedValueToValue converts driver arguments of NamedValue format to Value format. Implemented in the same way as in
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// database/sql ctxutil.go.
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func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
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dargs := make([]driver.Value, len(named))
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for n, param := range named {
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if len(param.Name) > 0 {
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return nil, errors.New("sql: driver does not support the use of Named Parameters")
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}
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dargs[n] = param.Value
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}
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return dargs, nil
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}
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func namedValueToLabels(named []driver.NamedValue) []interface{} {
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largs := make([]interface{}, len(named)*2)
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var name string
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for _, param := range named {
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if param.Name != "" {
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name = param.Name
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} else {
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name = fmt.Sprintf("$%d", param.Ordinal)
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}
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largs = append(largs, name, param.Value)
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}
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return largs
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}
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