mirror of
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38 lines
757 B
Go
38 lines
757 B
Go
package client
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import (
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"bytes"
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"fmt"
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"io"
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"os/exec"
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)
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type Dump struct {
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Table string
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}
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func (d *Dump) Export(url string, writer io.Writer) error {
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errOutput := bytes.NewBuffer(nil)
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opts := []string{
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"--no-owner", // skip restoration of object ownership in plain-text format
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"--clean", // clean (drop) database objects before recreating
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"--compress", "6", // compression level for compressed formats
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}
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if d.Table != "" {
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opts = append(opts, []string{"--table", d.Table}...)
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}
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opts = append(opts, url)
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cmd := exec.Command("pg_dump", opts...)
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cmd.Stdout = writer
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cmd.Stderr = errOutput
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if err := cmd.Run(); err != nil {
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return fmt.Errorf("error: %s. output: %s", err.Error(), errOutput.Bytes())
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}
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return nil
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}
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