Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension


Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ go 1.24.5

require (
github.com/antlr4-go/antlr/v4 v4.13.1
github.com/bytebase/parser v0.0.0-20260121030202-698704919f24
github.com/bytebase/parser v0.0.0-20260130090605-effef73942d9
github.com/google/uuid v1.6.0
github.com/stretchr/testify v1.11.1
github.com/testcontainers/testcontainers-go v0.40.0
Expand Down
4 changes: 2 additions & 2 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@ github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERo
github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
github.com/bytebase/antlr/v4 v4.0.0-20240827034948-8c385f108920 h1:IfmPt5o5R70NKtOrs+QHOoCgViYZelZysGxVBvV4ybA=
github.com/bytebase/antlr/v4 v4.0.0-20240827034948-8c385f108920/go.mod h1:ykhjIPiv0IWpu3OGXCHdz2eUSe8UNGGD6baqjs8jSuU=
github.com/bytebase/parser v0.0.0-20260121030202-698704919f24 h1:oonTO26orUa4bYk/hQjALiYO1zII+Kzpjg75OnC3VtU=
github.com/bytebase/parser v0.0.0-20260121030202-698704919f24/go.mod h1:jeak/EfutSOAuWKvrFIT2IZunhWprM7oTFBRgZ9RCxo=
github.com/bytebase/parser v0.0.0-20260130090605-effef73942d9 h1:q5MnVPWlV/p3MPe60SysVoUaEnyeS6+OOOk0F3DLLK8=
github.com/bytebase/parser v0.0.0-20260130090605-effef73942d9/go.mod h1:jeak/EfutSOAuWKvrFIT2IZunhWprM7oTFBRgZ9RCxo=
github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=
Expand Down
104 changes: 48 additions & 56 deletions internal/translator/visitor.go
Original file line number Diff line number Diff line change
Expand Up @@ -123,28 +123,28 @@ func (v *visitor) visitMethodChain(ctx mongodb.IMethodChainContext) {
if !ok {
return
}
for _, methodCall := range mc.AllMethodCall() {
v.visitMethodCall(methodCall)

if mc.CollectionMethodCall() != nil {
v.visitCollectionMethodCall(mc.CollectionMethodCall())
if v.err != nil {
return
}
}

for _, cursorCall := range mc.AllCursorMethodCall() {
v.visitCursorMethodCall(cursorCall)
if v.err != nil {
return
}
}
}

func (v *visitor) visitMethodCall(ctx mongodb.IMethodCallContext) {
mc, ok := ctx.(*mongodb.MethodCallContext)
func (v *visitor) visitCollectionMethodCall(ctx mongodb.ICollectionMethodCallContext) {
mc, ok := ctx.(*mongodb.CollectionMethodCallContext)
if !ok {
return
}

// Determine method context for registry lookup
getMethodContext := func() string {
if v.operation.OpType == types.OpFind || v.operation.OpType == types.OpFindOne {
return "cursor"
}
return "collection"
}

switch {
// Supported read operations
case mc.FindMethod() != nil:
Expand All @@ -168,32 +168,13 @@ func (v *visitor) visitMethodCall(ctx mongodb.IMethodCallContext) {
case mc.GetIndexesMethod() != nil:
v.operation.OpType = types.OpGetIndexes

// Supported cursor modifiers
case mc.SortMethod() != nil:
v.extractSort(mc.SortMethod())
case mc.LimitMethod() != nil:
v.extractLimit(mc.LimitMethod())
case mc.SkipMethod() != nil:
v.extractSkip(mc.SkipMethod())
case mc.ProjectionMethod() != nil:
v.extractProjection(mc.ProjectionMethod())
case mc.HintMethod() != nil:
v.extractHint(mc.HintMethod())
case mc.MaxMethod() != nil:
v.extractMax(mc.MaxMethod())
case mc.MinMethod() != nil:
v.extractMin(mc.MinMethod())

// Supported M2 write operations
// Supported write operations
case mc.InsertOneMethod() != nil:
v.operation.OpType = types.OpInsertOne
v.extractInsertOneArgs(mc.InsertOneMethod())

case mc.InsertManyMethod() != nil:
v.operation.OpType = types.OpInsertMany
v.extractInsertManyArgs(mc.InsertManyMethod())

// Supported M2 write operations - updateOne
case mc.UpdateOneMethod() != nil:
v.operation.OpType = types.OpUpdateOne
v.extractUpdateOneArgs(mc.UpdateOneMethod())
Expand All @@ -219,27 +200,27 @@ func (v *visitor) visitMethodCall(ctx mongodb.IMethodCallContext) {
v.operation.OpType = types.OpFindOneAndDelete
v.extractFindOneAndDeleteArgs(mc.FindOneAndDeleteMethod())

// Supported M3 index operations
// Supported index operations
case mc.CreateIndexMethod() != nil:
v.operation.OpType = types.OpCreateIndex
v.extractCreateIndexArgs(mc.CreateIndexMethod())
case mc.CreateIndexesMethod() != nil:
v.handleUnsupportedMethod("collection", "createIndexes") // Lower ROI, keep as planned
v.handleUnsupportedMethod("collection", "createIndexes")
case mc.DropIndexMethod() != nil:
v.operation.OpType = types.OpDropIndex
v.extractDropIndexArgs(mc.DropIndexMethod())
case mc.DropIndexesMethod() != nil:
v.operation.OpType = types.OpDropIndexes
v.extractDropIndexesArgs(mc.DropIndexesMethod())

// Supported M3 collection management
// Supported collection management
case mc.DropMethod() != nil:
v.operation.OpType = types.OpDrop
case mc.RenameCollectionMethod() != nil:
v.operation.OpType = types.OpRenameCollection
v.extractRenameCollectionArgs(mc.RenameCollectionMethod())

// Planned M3 stats operations - return PlannedOperationError for fallback
// Planned stats operations
case mc.StatsMethod() != nil:
v.handleUnsupportedMethod("collection", "stats")
case mc.StorageSizeMethod() != nil:
Expand All @@ -257,34 +238,45 @@ func (v *visitor) visitMethodCall(ctx mongodb.IMethodCallContext) {
case mc.LatencyStatsMethod() != nil:
v.handleUnsupportedMethod("collection", "latencyStats")

// Generic method fallback - all methods going through genericMethod are unsupported
case mc.GenericMethod() != nil:
gmCtx, ok := mc.GenericMethod().(*mongodb.GenericMethodContext)
if !ok {
return
default:
methodName := extractMethodNameFromText(mc.GetText())
if methodName != "" {
v.handleUnsupportedMethod("collection", methodName)
}
methodName := gmCtx.Identifier().GetText()
v.handleUnsupportedMethod(getMethodContext(), methodName)
}
}

// Default: all other methods not explicitly handled
// These go to handleUnsupportedMethod which returns UnsupportedOperationError
// since they're not in the planned registry
func (v *visitor) visitCursorMethodCall(ctx mongodb.ICursorMethodCallContext) {
mc, ok := ctx.(*mongodb.CursorMethodCallContext)
if !ok {
return
}

switch {
case mc.SortMethod() != nil:
v.extractSort(mc.SortMethod())
case mc.LimitMethod() != nil:
v.extractLimit(mc.LimitMethod())
case mc.SkipMethod() != nil:
v.extractSkip(mc.SkipMethod())
case mc.ProjectionMethod() != nil:
v.extractProjection(mc.ProjectionMethod())
case mc.HintMethod() != nil:
v.extractHint(mc.HintMethod())
case mc.MaxMethod() != nil:
v.extractMax(mc.MaxMethod())
case mc.MinMethod() != nil:
v.extractMin(mc.MinMethod())
default:
// Extract method name from the parse tree for error message
methodName := v.extractMethodName(mc)
methodName := extractMethodNameFromText(mc.GetText())
if methodName != "" {
v.handleUnsupportedMethod(getMethodContext(), methodName)
v.handleUnsupportedMethod("cursor", methodName)
}
}
}

// extractMethodName extracts the method name from a MethodCallContext for error messages.
func (v *visitor) extractMethodName(mc *mongodb.MethodCallContext) string {
// Try to get method name from various method contexts
// The parser creates specific method contexts for known methods
// For unknown methods, they go through GenericMethod which is handled separately
text := mc.GetText()
// Extract method name before the opening parenthesis
// extractMethodNameFromText extracts the method name from a parse tree text before the opening parenthesis.
func extractMethodNameFromText(text string) string {
if idx := strings.Index(text, "("); idx > 0 {
return text[:idx]
}
Expand Down
Loading