Move SQL engine and PostgreSQL server to their own binaries (#8417)

* Drop SQL engine and PostgreSQL server

* Split SQL tooling into weed-db and weed-sql

* move

* fix building

test/postgres/Dockerfile.seaweedfs

@@ -13,8 +13,9 @@ RUN go mod download
 # Copy source code
 COPY . .
 
-# Build the weed binary without CGO
+# Build the weed binaries without CGO
 RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-s -w" -o weed ./weed/
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-s -w" -o weed-db ./cmd/weed-db
 
 # Final stage - minimal runtime image
 FROM alpine:latest
@@ -24,11 +25,12 @@ RUN apk --no-cache add ca-certificates netcat-openbsd curl
 
 WORKDIR /root/
 
-# Copy the weed binary from builder stage
+# Copy the binaries from builder stage
 COPY --from=builder /app/weed .
+COPY --from=builder /app/weed-db .
 
 # Make it executable
-RUN chmod +x ./weed
+RUN chmod +x ./weed ./weed-db
 
 # Expose ports
 EXPOSE 9333 8888 8333 8085 9533 5432

test/postgres/SETUP_OVERVIEW.md

@@ -280,7 +280,7 @@ This test setup proves:
 - Comprehensive error handling
 
 ### ✅ Performance and Scalability
-- Direct SQL engine integration (same as `weed sql`)
+- Direct SQL engine integration (same as `weed-sql`)
 - No translation overhead for real queries
 - Efficient data access from stored formats
 - Scalable architecture with service discovery

test/postgres/docker-compose.yml

@@ -54,7 +54,7 @@ services:
       seaweedfs:
         condition: service_healthy
     command: >
-      ./weed db
+      ./weed-db
       -host=0.0.0.0
       -port=5432
       -master=seaweedfs:9333