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Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/diagnose-blockscout-schema-issue.sh

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+#!/bin/bash
+
+# Script to diagnose why Blockscout can't see migrations_status table
+# even though it exists when checked from postgres
+
+set -euo pipefail
+
+VMID=5000
+
+echo "=========================================="
+echo "Blockscout Schema/Connection Diagnosis"
+echo "=========================================="
+echo ""
+
+# Check if running from Proxmox host or inside container
+if [ -f "/proc/1/cgroup" ] && grep -q "lxc" /proc/1/cgroup 2>/dev/null; then
+    EXEC_PREFIX=""
+    echo "Running inside VMID 5000"
+else
+    EXEC_PREFIX="pct exec $VMID --"
+    echo "Running from Proxmox host, executing in VMID 5000"
+fi
+
+# Step 1: Check what schema the table is in
+echo "=== Step 1: Checking migrations_status table location ==="
+$EXEC_PREFIX docker exec blockscout-postgres psql -U blockscout -d blockscout -c "
+SELECT 
+  table_schema,
+  table_name,
+  table_type
+FROM information_schema.tables 
+WHERE table_name = 'migrations_status';
+" 2>&1
+
+echo ""
+
+# Step 2: Check current search_path
+echo "=== Step 2: Checking PostgreSQL search_path ==="
+$EXEC_PREFIX docker exec blockscout-postgres psql -U blockscout -d blockscout -c "SHOW search_path;" 2>&1
+
+echo ""
+
+# Step 3: Check Blockscout DATABASE_URL
+echo "=== Step 3: Checking Blockscout DATABASE_URL ==="
+BLOCKSCOUT_CONTAINER=$($EXEC_PREFIX docker ps -a | grep blockscout | grep -v postgres | awk '{print $1}' | head -1)
+if [ -n "$BLOCKSCOUT_CONTAINER" ]; then
+    $EXEC_PREFIX docker inspect --format='{{range .Config.Env}}{{println .}}{{end}}' $BLOCKSCOUT_CONTAINER | grep -E "DATABASE_URL|POSTGRES" | head -5
+else
+    echo "⚠️  Blockscout container not found"
+fi
+
+echo ""
+
+# Step 4: Try to access table with explicit schema
+echo "=== Step 4: Testing table access with different schemas ==="
+$EXEC_PREFIX docker exec blockscout-postgres psql -U blockscout -d blockscout << 'SQL'
+-- Try public schema
+SELECT 'Testing public.migrations_status:' as test;
+SELECT COUNT(*) FROM public.migrations_status LIMIT 1;
+
+-- List all schemas
+SELECT 'Available schemas:' as info;
+SELECT schema_name FROM information_schema.schemata;
+
+-- Check if table exists in public schema
+SELECT 'Table in public schema:' as check;
+SELECT table_name, table_schema 
+FROM information_schema.tables 
+WHERE table_schema = 'public' AND table_name = 'migrations_status';
+SQL
+
+echo ""
+
+# Step 5: Check if Blockscout is using a different database
+echo "=== Step 5: Checking all databases ==="
+$EXEC_PREFIX docker exec blockscout-postgres psql -U blockscout -d blockscout -c "\l" 2>&1 | head -15
+
+echo ""
+
+# Step 6: Try to query from Blockscout's perspective
+echo "=== Step 6: Testing query from Blockscout container ==="
+if [ -n "$BLOCKSCOUT_CONTAINER" ]; then
+    echo "Attempting to query from Blockscout container..."
+    $EXEC_PREFIX docker exec -it $BLOCKSCOUT_CONTAINER bin/blockscout eval "
+      case Explorer.Repo.query(\"SELECT table_name FROM information_schema.tables WHERE table_name = 'migrations_status'\") do
+        {:ok, %{rows: []}} -> IO.puts(\"❌ migrations_status NOT FOUND by Blockscout\")
+        {:ok, %{rows: rows}} -> IO.puts(\"✅ migrations_status FOUND by Blockscout: #{inspect(rows)}\")
+        error -> IO.puts(\"❌ Error querying: #{inspect(error)}\")
+      end
+    " 2>&1 || echo "⚠️  Cannot query from Blockscout container (may not be running)"
+else
+    echo "⚠️  Cannot test - container not found"
+fi
+
+echo ""
+echo "=========================================="
+echo "Diagnosis Complete"
+echo "=========================================="
+