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37 lines
636 B
37 lines
636 B
package builder
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import (
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"errors"
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"fmt"
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)
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func (b *Builder) updateWriteTo(w Writer) error {
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if len(b.tableName) <= 0 {
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return errors.New("no table indicated")
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}
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if len(b.updates) <= 0 {
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return errors.New("no column to be update")
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}
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if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
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return err
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}
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for i, s := range b.updates {
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if err := s.opWriteTo(",", w); err != nil {
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return err
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}
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if i != len(b.updates)-1 {
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if _, err := fmt.Fprint(w, ","); err != nil {
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return err
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}
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}
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}
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if _, err := fmt.Fprint(w, " WHERE "); err != nil {
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return err
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}
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return b.cond.WriteTo(w)
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}
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