- # Matching for tags column
- if type and value
- cond_tags = ['tags LIKE ? OR tags LIKE ? OR tags LIKE ? OR tags LIKE ?',
- ''+type+'='+value+'',
- ''+type+'='+value+';%',
- '%;'+type+'='+value+';%',
- '%;'+type+'='+value+'' ]
- elsif type
- cond_tags = ['tags LIKE ? OR tags LIKE ?',
- ''+type+'=%',
- '%;'+type+'=%' ]
- elsif value
- cond_tags = ['tags LIKE ? OR tags LIKE ?',
- '%='+value+';%',
- '%='+value+'' ]
- else
- cond_tags = ['1=1']
+ unless value
+ response.headers["Error"] = "Searching for a key without value is currently unavailable"
+ head :service_unavailable
+ return false