43 lines
841 B
Go
43 lines
841 B
Go
package pgdebug
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import (
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"context"
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"fmt"
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"github.com/go-pg/pg/v10"
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)
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// DebugHook is a query hook that logs an error with a query if there are any.
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// It can be installed with:
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//
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// db.AddQueryHook(pgext.DebugHook{})
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type DebugHook struct {
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// Verbose causes hook to print all queries (even those without an error).
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Verbose bool
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EmptyLine bool
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}
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var _ pg.QueryHook = (*DebugHook)(nil)
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func (h DebugHook) BeforeQuery(ctx context.Context, evt *pg.QueryEvent) (context.Context, error) {
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q, err := evt.FormattedQuery()
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if err != nil {
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return nil, err
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}
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if evt.Err != nil {
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fmt.Printf("%s executing a query:\n%s\n", evt.Err, q)
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} else if h.Verbose {
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if h.EmptyLine {
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fmt.Println()
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}
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fmt.Println(string(q))
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}
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return ctx, nil
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}
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func (DebugHook) AfterQuery(context.Context, *pg.QueryEvent) error {
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return nil
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}
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