37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
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package wrapper
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import (
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"database/sql/driver"
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"errors"
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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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/*
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// newSpan creates a new opentracing.Span instance from the given context.
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func (t *tracer) newSpan(ctx context.Context) opentracing.Span {
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name := t.nameFunc(ctx)
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var opts []opentracing.StartSpanOption
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parent := opentracing.SpanFromContext(ctx)
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if parent != nil {
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opts = append(opts, opentracing.ChildOf(parent.Context()))
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}
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span := t.t.StartSpan(name, opts...)
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return span
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}
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*/
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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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