Release 0.2.2 (#19)

* Update README

* remove redundant line

* Bump version to 0.2.2

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.2]
+
+  - Allow empty array (for no constraints) [#18](https://github.com/RelationalAI/SolverAPI.jl/pull/18)
+  - Adding relative & absolute mip gaps [#17](https://github.com/RelationalAI/SolverAPI.jl/pull/17)
+  - Support in / table / relational application constraints [#16](https://github.com/RelationalAI/SolverAPI.jl/pull/16)
+
 ## [0.2.1]
 
   - Support `interval` constraint [#14](https://github.com/RelationalAI/SolverAPI.jl/pull/14)

Project.toml

@@ -1,6 +1,6 @@
 name = "SolverAPI"
 uuid = "f47e0006-d9ab-4793-9101-5b952049cae7"
-version = "0.2.1"
+version = "0.2.2"
 
 [deps]
 JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"

README.md

@@ -85,6 +85,10 @@ We always support the following options:
     and not solved.
   - `print_format`: [String] If and how the model should be printed.
     Currently supported formats: MOI, LaTeX, MOF, LP, MPS, NL.
+  - `relative_gap_tolerance`: [Float64] The relative gap
+    tolerance. Must be within [0,1].
+  - `absolute_gap_tolerance`: [Float64] Absolute gap tolerance. Must
+    be non-negative.
 
 ### Response
 
@@ -105,7 +109,10 @@ Response format examples:
       ]
     }
   ],
-  "termination_status": "OPTIMAL"
+  "termination_status": "OPTIMAL",
+  "solve_time_sec": 0.000112959,
+  "solver_version": "HiGHS_1.5.3",
+  "relative_gap": 0.0
 }
 ```
 
@@ -148,3 +155,6 @@ Optional fields:
   - `errors`: [Array] None, one, or multiple errors that were present.
   - `model_string`: [String] If requested via `print_format` the model
     as a string.
+  - `solver_version`: [String] The version of the solver used.
+  - `solve_time_sec`: [Float64] Duration of solving.
+  - `relative_gap`: [Float64] The relative gap.

src/SolverAPI.jl

@@ -113,7 +113,6 @@ function response(
     result_count = MOI.get(model, MOI.ResultCount())
 
     try
-        res["relative_gap"]
         rel_gap = Float64(MOI.get(model, MOI.RelativeGap()))
         if !isinf(rel_gap)
             res["relative_gap"] = rel_gap # Inf cannot be serialized to JSON