26 lines
813 B
Go
26 lines
813 B
Go
 
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package repository
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import (
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"errors"
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"github.com/jackc/pgx/v5/pgconn"
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)
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// isConstraintViolation reports whether err is Postgres refusing a row on the named
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// constraint or unique index, with the given SQLSTATE.
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func isConstraintViolation(err error, code, constraint string) bool {
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var pgErr *pgconn.PgError
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return errors.As(err, &pgErr) && pgErr.Code == code && pgErr.ConstraintName == constraint
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}
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func isUniqueViolation(err error, constraint string) bool {
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return isConstraintViolation(err, "23505", constraint)
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}
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// isForeignKeyViolation reports whether err is a row still referenced from elsewhere,
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// or pointing at one that does not exist, whatever the constraint.
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func isForeignKeyViolation(err error) bool {
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var pgErr *pgconn.PgError
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return errors.As(err, &pgErr) && pgErr.Code == "23503"
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}
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