supabase-cli/internal/inspect/unused_indexes/unused_indexes.go

49 lines
1.2 KiB
Go

package unused_indexes
import (
"context"
_ "embed"
"fmt"
"github.com/go-errors/errors"
"github.com/jackc/pgconn"
"github.com/jackc/pgx/v4"
"github.com/spf13/afero"
"github.com/supabase/cli/internal/db/reset"
"github.com/supabase/cli/internal/migration/list"
"github.com/supabase/cli/internal/utils"
"github.com/supabase/cli/pkg/pgxv5"
)
//go:embed unused_indexes.sql
var UnusedIndexesQuery string
type Result struct {
Table string
Index string
Index_size string
Index_scans int64
}
func Run(ctx context.Context, config pgconn.Config, fsys afero.Fs, options ...func(*pgx.ConnConfig)) error {
conn, err := utils.ConnectByConfig(ctx, config, options...)
if err != nil {
return err
}
defer conn.Close(context.Background())
rows, err := conn.Query(ctx, UnusedIndexesQuery, reset.LikeEscapeSchema(utils.InternalSchemas))
if err != nil {
return errors.Errorf("failed to query rows: %w", err)
}
result, err := pgxv5.CollectRows[Result](rows)
if err != nil {
return err
}
table := "|Table|Index|Index Size|Index Scans\n|-|-|-|-|\n"
for _, r := range result {
table += fmt.Sprintf("|`%s`|`%s`|`%s`|`%d`|\n", r.Table, r.Index, r.Index_size, r.Index_scans)
}
return list.RenderTable(table)
}