[no-release-notes] avoid heap allocs in transform bump (#2129)

Author: jycor

go.mod

@@ -6,10 +6,10 @@ require (
 	github.com/PuerkitoBio/goquery v1.8.1
 	github.com/cockroachdb/apd/v2 v2.0.3-0.20200518165714-d020e156310a
 	github.com/cockroachdb/errors v1.7.5
-	github.com/dolthub/dolt/go v0.40.5-0.20251216020900-9c1c5ed2c8fd
+	github.com/dolthub/dolt/go v0.40.5-0.20251217230905-b1c200a34906
 	github.com/dolthub/eventsapi_schema v0.0.0-20250915094920-eadfd39051ca
 	github.com/dolthub/flatbuffers/v23 v23.3.3-dh.2
-	github.com/dolthub/go-mysql-server v0.20.1-0.20251216223848-500454bc6d5f
+	github.com/dolthub/go-mysql-server v0.20.1-0.20251217221004-60f4b0ac4e4b
 	github.com/dolthub/pg_query_go/v6 v6.0.0-20251215122834-fb20be4254d1
 	github.com/dolthub/sqllogictest/go v0.0.0-20240618184124-ca47f9354216
 	github.com/dolthub/vitess v0.0.0-20251210200925-1d33d416d162

go.sum

@@ -228,10 +228,8 @@ github.com/dolthub/aws-sdk-go-ini-parser v0.0.0-20250305001723-2821c37f6c12 h1:I
 github.com/dolthub/aws-sdk-go-ini-parser v0.0.0-20250305001723-2821c37f6c12/go.mod h1:rN7X8BHwkjPcfMQQ2QTAq/xM3leUSGLfb+1Js7Y6TVo=
 github.com/dolthub/dolt-mcp v0.2.2 h1:bpROmam74n95uU4EA3BpOIVlTDT0pzeFMBwe/YRq2mI=
 github.com/dolthub/dolt-mcp v0.2.2/go.mod h1:S++DJ4QWTAXq+0TNzFa7Oq3IhoT456DJHwAINFAHgDQ=
-github.com/dolthub/dolt/go v0.40.5-0.20251213003033-5aae073ad198 h1:2DdAh70y/xSC4Ej/TWyRWJsjvd4R3T7lF0Nb3pzJhpo=
-github.com/dolthub/dolt/go v0.40.5-0.20251213003033-5aae073ad198/go.mod h1:eBvkNDgUSm/z17brovrRzfL57dwlQXBoXfqeisMUQ9E=
-github.com/dolthub/dolt/go v0.40.5-0.20251216020900-9c1c5ed2c8fd h1:GcS8p05zGvduMKRB2O2KeTwPrWC3a5M3VX/tkR5fAYU=
-github.com/dolthub/dolt/go v0.40.5-0.20251216020900-9c1c5ed2c8fd/go.mod h1:9p1QMq5hTZAExGlwK0+VJqfsMnV+TPw6ANk0QaxTZh8=
+github.com/dolthub/dolt/go v0.40.5-0.20251217230905-b1c200a34906 h1:yOcgBJ0HWptPb9LfrIkJmoCooImkQDdWfFm8OyMJ56M=
+github.com/dolthub/dolt/go v0.40.5-0.20251217230905-b1c200a34906/go.mod h1:8y583D/yx8FFdHHmwvGdXBV38AaigoGLgK5rh6oUrEs=
 github.com/dolthub/eventsapi_schema v0.0.0-20250915094920-eadfd39051ca h1:BGFz/0OlKIuC6qHIZQbvPapFvdAJkeEyGXWVgL5clmE=
 github.com/dolthub/eventsapi_schema v0.0.0-20250915094920-eadfd39051ca/go.mod h1:CoDLfgPqHyBtth0Cp+fi/CmC4R81zJNX4wPjShdZ+Bw=
 github.com/dolthub/flatbuffers/v23 v23.3.3-dh.2 h1:u3PMzfF8RkKd3lB9pZ2bfn0qEG+1Gms9599cr0REMww=
@@ -240,8 +238,8 @@ github.com/dolthub/fslock v0.0.3 h1:iLMpUIvJKMKm92+N1fmHVdxJP5NdyDK5bK7z7Ba2s2U=
 github.com/dolthub/fslock v0.0.3/go.mod h1:QWql+P17oAAMLnL4HGB5tiovtDuAjdDTPbuqx7bYfa0=
 github.com/dolthub/go-icu-regex v0.0.0-20250916051405-78a38d478790 h1:zxMsH7RLiG+dlZ/y0LgJHTV26XoiSJcuWq+em6t6VVc=
 github.com/dolthub/go-icu-regex v0.0.0-20250916051405-78a38d478790/go.mod h1:F3cnm+vMRK1HaU6+rNqQrOCyR03HHhR1GWG2gnPOqaE=
-github.com/dolthub/go-mysql-server v0.20.1-0.20251216223848-500454bc6d5f h1:trWK6M/ouvxhmA+V6bsXUGIFLinUC+oAG7gnoa73+F0=
-github.com/dolthub/go-mysql-server v0.20.1-0.20251216223848-500454bc6d5f/go.mod h1:NjewWKoa5bVSLdKwL7fg7eAfrcIxDybWUKoWEHWRTw4=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251217221004-60f4b0ac4e4b h1:kt3OjUw2sO6QHEvfhgvTOPNFOQxjYYx7ol4zHIw5xYQ=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251217221004-60f4b0ac4e4b/go.mod h1:NjewWKoa5bVSLdKwL7fg7eAfrcIxDybWUKoWEHWRTw4=
 github.com/dolthub/gozstd v0.0.0-20240423170813-23a2903bca63 h1:OAsXLAPL4du6tfbBgK0xXHZkOlos63RdKYS3Sgw/dfI=
 github.com/dolthub/gozstd v0.0.0-20240423170813-23a2903bca63/go.mod h1:lV7lUeuDhH5thVGDCKXbatwKy2KW80L4rMT46n+Y2/Q=
 github.com/dolthub/ishell v0.0.0-20240701202509-2b217167d718 h1:lT7hE5k+0nkBdj/1UOSFwjWpNxf+LCApbRHgnCA17XE=

server/expression/is_not_null.go

@@ -24,7 +24,7 @@ import (
 // IsNotNull is an implementation of sql.Expression for the IS NOT NULL operator
 // and includes Postgres-specific logic for handling records and composites.
 type IsNotNull struct {
-	expression.UnaryExpression
+	expression.UnaryExpressionStub
 }
 
 var _ sql.Expression = (*IsNotNull)(nil)
@@ -33,7 +33,7 @@ var _ sql.IsNotNullExpression = (*IsNotNull)(nil)
 
 // NewIsNotNull creates a new IsNotNull expression.
 func NewIsNotNull(child sql.Expression) *IsNotNull {
-	return &IsNotNull{expression.UnaryExpression{Child: child}}
+	return &IsNotNull{expression.UnaryExpressionStub{Child: child}}
 }
 
 // IsNotNullExpression implements the sql.IsNotNullExpression interface. This function exists primarily

server/expression/is_null.go

@@ -24,7 +24,7 @@ import (
 // IsNull is an implementation of sql.Expression for the IS NULL operator and
 // includes Postgres-specific logic for handling records and composites.
 type IsNull struct {
-	expression.UnaryExpression
+	expression.UnaryExpressionStub
 }
 
 var _ sql.Expression = (*IsNull)(nil)
@@ -33,7 +33,7 @@ var _ sql.IsNullExpression = (*IsNull)(nil)
 
 // NewIsNull creates a new IsNull expression.
 func NewIsNull(child sql.Expression) *IsNull {
-	return &IsNull{expression.UnaryExpression{Child: child}}
+	return &IsNull{expression.UnaryExpressionStub{Child: child}}
 }
 
 // IsNullExpression implements the sql.IsNullExpression interface. This function exists primarily