Improve DB error message types
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parent
6fe4db6a58
commit
cf68ebffb1
4 changed files with 32 additions and 10 deletions
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@ -165,7 +165,7 @@ func (e *executor) execute(ctx context.Context, ast *sql.Query) {
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if err == nil {
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res, err = e.operate(ctx, stm)
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} else {
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res, err = []interface{}{}, queryNotExecuted
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res, err = []interface{}{}, errQueryNotExecuted
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}
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rsp = &Response{
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@ -279,11 +279,11 @@ func (e *executor) fetchPaths(ctx context.Context, doc *data.Doc, exprs ...sql.E
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case sql.DOT:
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return e.fetchPaths(ctx, doc, exprs...)
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case sql.OEDGE:
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return nil, featureNotImplemented
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return nil, errFeatureNotImplemented
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case sql.IEDGE:
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return nil, featureNotImplemented
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return nil, errFeatureNotImplemented
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case sql.BEDGE:
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return nil, featureNotImplemented
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return nil, errFeatureNotImplemented
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}
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case *sql.PartExpression:
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switch val := val.Part.(type) {
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@ -61,7 +61,7 @@ func (d *document) table(ctx context.Context, when method) (err error) {
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// If there are GROUP BY clauses then
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// let's calculate the
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return featureNotImplemented
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return errFeatureNotImplemented
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ats := make([]interface{}, len(ft.Group))
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26
db/vars.go
26
db/vars.go
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@ -63,9 +63,31 @@ const (
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)
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var (
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// workerCount specifies how many workers should be used
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// to process each query statement concurrently.
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workerCount = runtime.NumCPU() * 2
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queryNotExecuted = errors.New("Query not executed")
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// queryIdentFailed occurs when a permission query asks
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// for a field, meaning a document has to be fetched.
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queryIdentFailed = errors.New("Found ident but no doc available")
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featureNotImplemented = errors.New("Feature is not yet implemented")
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// errQueryNotExecuted occurs when a transaction has
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// failed, and the following queries are not executed.
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errQueryNotExecuted = errors.New("Query not executed")
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// errRaceCondition occurs when a record which is locked
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// for editing, is updated from within a subquery.
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errRaceCondition = errors.New("Failed to update the same document recursively")
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// errRecursiveOverload occurs when too many subqueries
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// are executed within one other, causing an endless loop.
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errRecursiveOverload = errors.New("Infinite loop when running recursive subqueries")
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// errFeatureNotImplemented occurs when a feature which
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// has not yet been implemented, has been used in a query.
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errFeatureNotImplemented = errors.New("Feature is not yet implemented")
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// paramSearchKeys specifies the order in which context
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// variables should be checked for any specified value.
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paramSearchKeys = []string{ctxKeySpec, ctxKeySubs, ctxKeyVars, ctxKeyKeep}
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)
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