/
expanded.go
57 lines (49 loc) · 1.08 KB
/
expanded.go
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package outputs
import (
"io"
"strconv"
"github.com/karlseguin/msql/driver"
"github.com/olekukonko/tablewriter"
)
func Expanded(conn driver.Conn, out io.Writer) (*driver.Meta, error) {
result, err := conn.ReadResult()
if err != nil {
return nil, err
}
meta := result.Meta()
if ok, data := result.IsSimple(); ok {
io.WriteString(out, data)
return meta, nil
}
maxWidth := 0
for _, c := range result.Columns() {
if len(c) > maxWidth {
maxWidth = len(c)
}
}
columns := make([][]byte, len(result.Columns()))
for i, column := range result.Columns() {
columns[i] = []byte("\n" + tablewriter.PadRight(column, " ", maxWidth) + " | ")
}
rowIndex := 1
for {
rows, err := result.Next()
if err != nil {
return nil, err
}
if rows == nil {
return meta, nil
}
for _, row := range rows {
io.WriteString(out, "-[ RECORD ")
io.WriteString(out, strconv.Itoa(rowIndex))
out.Write([]byte(" ] "))
for colIndex, column := range columns {
out.Write(column)
io.WriteString(out, row[colIndex])
}
out.Write([]byte("\n"))
rowIndex += 1
}
}
}