fix AND evaluating RHS if LHS is false (#13)

Author: Dean Karn

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.6.1] - 2023-05-25
+### Fixed
+- Fixed AND and OR not early exiting evaluation.
+
 ## [0.6.0] - 2023-01-05
 ### Added
 - Added new `_uppercase_` & `_title_` COERCE identifiers.
@@ -58,7 +62,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial conversion from https://github.com/rust-playground/ksql.
 
-[Unreleased]: https://github.com/go-playground/ksql/compare/v0.6.0...HEAD
+[Unreleased]: https://github.com/go-playground/ksql/compare/v0.6.1...HEAD
+[0.6.1]: https://github.com/go-playground/ksql/compare/v0.6.0...v0.6.1
 [0.6.0]: https://github.com/go-playground/ksql/compare/v0.5.1...v0.6.0
 [0.5.1]: https://github.com/go-playground/ksql/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/go-playground/ksql/compare/v0.4.0...v0.5.0

README.md

@@ -1,6 +1,6 @@
 ksql
 =====
-![Project status](https://img.shields.io/badge/version-0.5.1-green.svg)
+![Project status](https://img.shields.io/badge/version-0.6.1-green.svg)
 [![GoDoc](https://godoc.org/github.com/go-playground/ksql?status.svg)](https://pkg.go.dev/github.com/go-playground/ksql)
 ![License](https://img.shields.io/dub/l/vibe-d.svg)
 

go.mod

@@ -4,14 +4,14 @@ go 1.18
 
 require (
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
-	github.com/go-playground/pkg/v5 v5.11.0
+	github.com/go-playground/itertools v0.1.0
+	github.com/go-playground/pkg/v5 v5.18.0
 	github.com/stretchr/testify v1.8.1
 	github.com/tidwall/gjson v1.14.4
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-playground/itertools v0.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect

go.sum

@@ -3,10 +3,11 @@ github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de/go.mod h1:DCaWoU
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/itertools v0.1.0 h1:isiUTLIViAz4J3qWrowvRoOYWSXy2ubkXKNJfujE3Sc=
 github.com/go-playground/itertools v0.1.0/go.mod h1:+TD1WVpn32jr+GpvO+nnb2xXD45SSzt18Fo/C0y9PJE=
-github.com/go-playground/pkg/v5 v5.11.0 h1:yYYmh0RLKBxiLbEwO7HZtp8XVDDuyIqHmhtrmuO0nsg=
-github.com/go-playground/pkg/v5 v5.11.0/go.mod h1:eT8XZeFHnqZkfkpkbI8ayjfCw9GohV2/j8STbVmoR6s=
+github.com/go-playground/pkg/v5 v5.18.0 h1:qnYuhWhwLdWj6ut9jagFjaiUI6PZTo3SafR5Um9w214=
+github.com/go-playground/pkg/v5 v5.18.0/go.mod h1:eT8XZeFHnqZkfkpkbI8ayjfCw9GohV2/j8STbVmoR6s=
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

parser.go

@@ -879,6 +879,7 @@ func (e eq) Calculate(src []byte) (any, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	return reflect.DeepEqual(left, right), nil
 }
 
@@ -1027,6 +1028,7 @@ func (n not) Calculate(src []byte) (any, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	switch t := value.(type) {
 	case bool:
 		return !t, nil
@@ -1047,6 +1049,14 @@ func (o or) Calculate(src []byte) (any, error) {
 	if err != nil {
 		return nil, err
 	}
+
+	switch t := left.(type) {
+	case bool:
+		if t {
+			return true, nil
+		}
+	}
+
 	right, err := o.right.Calculate(src)
 	if err != nil {
 		return nil, err
@@ -1076,6 +1086,16 @@ func (a and) Calculate(src []byte) (any, error) {
 	if err != nil {
 		return nil, err
 	}
+
+	switch t := left.(type) {
+	case bool:
+		if !t {
+			return false, nil
+		}
+	default:
+		return false, nil
+	}
+
 	right, err := a.right.Calculate(src)
 	if err != nil {
 		return nil, err

parser_test.go

@@ -1,10 +1,9 @@
 package ksql
 
 import (
+	"github.com/stretchr/testify/require"
 	"testing"
 	"time"
-
-	"github.com/stretchr/testify/require"
 )
 
 func TestParser(t *testing.T) {
@@ -620,6 +619,12 @@ func TestParser(t *testing.T) {
 			src:      `{"name":"mr."}`,
 			expected: "Mr.",
 		},
+		{
+			name:     "NOT NULL AND",
+			exp:      `.MyValue != NULL && .MyValue > 19`,
+			src:      `{}`,
+			expected: false,
+		},
 	}
 
 	for _, tc := range tests {