diff options
Diffstat (limited to 'src/libtracker-data/tracker-sparql-expression.vala')
| -rw-r--r-- | src/libtracker-data/tracker-sparql-expression.vala | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libtracker-data/tracker-sparql-expression.vala b/src/libtracker-data/tracker-sparql-expression.vala index 96270cfc5..210fdff84 100644 --- a/src/libtracker-data/tracker-sparql-expression.vala +++ b/src/libtracker-data/tracker-sparql-expression.vala @@ -1687,7 +1687,17 @@ class Tracker.Sparql.Expression : Object { if (accept (SparqlTokenType.DISTINCT)) { sql.append ("DISTINCT "); } + + bool is_var = (current () == SparqlTokenType.VAR); var optype = translate_expression (sql); + + if (is_var) { + var variable = context.get_variable (get_last_string ().substring (1)); + if (variable.binding == null) { + throw get_error ("use of undefined variable `%s'".printf (variable.name)); + } + } + expect (SparqlTokenType.CLOSE_PARENS); return optype; } |