38 lines
613 B
Go
38 lines
613 B
Go
package errs
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import (
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"database/sql"
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"errors"
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"log"
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sqlite3 "github.com/mattn/go-sqlite3"
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)
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func DB(err error) error {
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if err == nil {
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return nil
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}
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var e *Error
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if errors.As(err, &e) {
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return err
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}
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if errors.Is(err, sql.ErrNoRows) {
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return ErrNotFound
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}
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var se sqlite3.Error
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if errors.As(err, &se) {
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switch se.ExtendedCode {
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case sqlite3.ErrConstraintUnique, sqlite3.ErrConstraintPrimaryKey:
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return ErrAlreadyExists
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case sqlite3.ErrConstraintForeignKey, sqlite3.ErrConstraintCheck:
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return ErrConstraint
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}
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}
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log.Printf("Unexpected error: %v", err)
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return ErrUnexpected
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}
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