Merge pull request #37 from ubc-provenance/dev

FIx install by adding copying load_dumps.sh

Author: TristanBilot

scripts/load_dumps.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+set -e
+
+echo "Starting database dump restoration..."
+
+for dump_file in /data/*.dump; do
+  if [ ! -f "$dump_file" ]; then
+    echo "No .dump files found in /data/ directory"
+    break
+  fi
+  
+  db_name=$(basename "$dump_file" .dump)
+  
+  echo "Processing $dump_file -> database '$db_name'"
+  
+  if psql -U postgres -h localhost -p 5432 -lqt | cut -d \| -f 1 | grep -qw "$db_name"; then
+    echo "Database '$db_name' already exists. Checking if it has data..."
+    
+    table_count=$(psql -U postgres -h localhost -p 5432 -d "$db_name" -t -c "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = 'public';" 2>/dev/null || echo "0")
+    
+    if [ "$table_count" -gt 0 ]; then
+      echo "Database '$db_name' already has $table_count tables. Skipping restoration."
+      continue
+    else
+      echo "Database '$db_name' exists but is empty. Proceeding with restoration..."
+    fi
+  else
+    echo "Creating database '$db_name'..."
+    psql -U postgres -h localhost -p 5432 -c "CREATE DATABASE \"$db_name\";" 2>/dev/null || {
+      echo "Warning: Could not create database '$db_name' (may already exist)"
+    }
+  fi
+  
+  echo "Restoring $dump_file into database '$db_name'..."
+  
+  # Use --clean --if-exists to handle existing objects gracefully
+  if pg_restore -U postgres -h localhost -p 5432 --clean --if-exists --no-owner --no-privileges -d "$db_name" "$dump_file" 2>/dev/null; then
+    echo "Successfully restored $dump_file"
+    
+    final_table_count=$(psql -U postgres -h localhost -p 5432 -d "$db_name" -t -c "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = 'public';" 2>/dev/null || echo "0")
+    echo "  Database '$db_name' now has $final_table_count tables"
+  else
+    echo "Warning: pg_restore reported errors for $dump_file (this may be normal for some dump formats)"
+  fi
+  
+  echo ""
+done
+
+echo "Database dump restoration completed"
+
+echo "Summary of available databases:"
+psql -U postgres -h localhost -p 5432 -c "\l" | grep -E "^\s+[a-zA-Z]" | head -20