Merge pull request #285 from nspcc-dev/feature/265-search-match-num

Author: roman-khimov

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [Unreleased]
 
 ### Added
+- Numeric operands for object search queries (#265)
 
 ### Changed
 

object/service.proto

@@ -496,6 +496,9 @@ message SearchRequest {
     // objects. Most human users expect to get only object they can directly
     // work with. In that case, `$Object:ROOT` filter should be used.
     //
+    // If `match_type` field is numerical, both `value` field and object
+    // attribute MUST be base-10 integers.
+    //
     // By default `key` field refers to the corresponding object's `Attribute`.
     // Some Object's header fields can also be accessed by adding `$Object:`
     // prefix to the name. Here is the list of fields available via this prefix:

object/types.proto

@@ -47,6 +47,18 @@ enum MatchType {
 
   // String prefix match
   COMMON_PREFIX = 4;
+
+  // Numerical 'greater than'
+  NUM_GT = 5;
+
+  // Numerical 'greater or equal than'
+  NUM_GE = 6;
+
+  // Numerical 'less than'
+  NUM_LT = 7;
+
+  // Numerical 'less or equal than'
+  NUM_LE = 8;
 }
 
 // Short header fields

proto-docs/object.md

@@ -771,6 +771,9 @@ container, including Regular object, Tombstones and Storage Group
 objects. Most human users expect to get only object they can directly
 work with. In that case, `$Object:ROOT` filter should be used.
 
+If `match_type` field is numerical, both `value` field and object
+attribute MUST be base-10 integers.
+
 By default `key` field refers to the corresponding object's `Attribute`.
 Some Object's header fields can also be accessed by adding `$Object:`
 prefix to the name. Here is the list of fields available via this prefix:
@@ -1021,6 +1024,10 @@ Type of match expression
 | STRING_NOT_EQUAL | 2 | Full string mismatch |
 | NOT_PRESENT | 3 | Lack of key |
 | COMMON_PREFIX | 4 | String prefix match |
+| NUM_GT | 5 | Numerical 'greater than' |
+| NUM_GE | 6 | Numerical 'greater or equal than' |
+| NUM_LT | 7 | Numerical 'less than' |
+| NUM_LE | 8 | Numerical 'less or equal than' |