Feature/issue 16 add oracle suppport

cmd/postgresql_test/main.go

@@ -36,7 +36,7 @@ func main() {
 		Schema:   "public",
 
 		// SSL configuration
-		SSLConfig: models.PostgreSQLSSLConfig{
+		SSLConfig: models.SSLConfig{
 			Mode:               "prefer",
 			InsecureSkipVerify: true,
 		},
@@ -80,7 +80,11 @@ func main() {
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
 	defer cancel()
 
-	db, err := repo.Connect(ctx, config)
+	dbConfig := models.DatabaseConfig{
+		Type:       models.DatabaseTypePostgreSQL,
+		PostgreSQL: config,
+	}
+	db, err := repo.Connect(ctx, dbConfig)
 	if err != nil {
 		log.Fatalf("❌ Failed to connect to PostgreSQL: %v", err)
 	}

cmd/sql-graph-cli/commands/analyze.go

@@ -106,7 +106,7 @@ Supports both MySQL and PostgreSQL databases with database-specific optimization
 	}
 
 	// Database type and connection flags
-	cmd.Flags().StringVar(&dbType, "db-type", "mysql", "Database type: mysql, postgresql")
+	cmd.Flags().StringVar(&dbType, "db-type", "mysql", "Database type: mysql, postgresql, oracle")
 	cmd.Flags().StringVar(&host, "host", "localhost", "Database host")
 	cmd.Flags().IntVar(&port, "port", 0, "Database port (0 = auto-detect: MySQL=3306, PostgreSQL=5432)")
 	cmd.Flags().StringVar(&username, "username", "", "Database username")
@@ -199,7 +199,7 @@ func runAnalyze(_ *cobra.Command, opts analyzeOptions) error {
 	var config models.DatabaseConfig
 	switch opts.DBType {
 	case models.DatabaseTypeMySQL:
-		config = &models.MySQLConfig{
+		config = models.DatabaseConfig{Type: models.DatabaseTypeMySQL, MySQL: &models.MySQLConfig{
 			Host:           opts.Host,
 			Port:           opts.Port,
 			Username:       opts.Username,
@@ -232,10 +232,10 @@ func runAnalyze(_ *cobra.Command, opts analyzeOptions) error {
 					},
 				},
 			},
-		}
+		}}
 
 	case models.DatabaseTypePostgreSQL:
-		config = &models.PostgreSQLConfig{
+		config = models.DatabaseConfig{Type: models.DatabaseTypePostgreSQL, PostgreSQL: &models.PostgreSQLConfig{
 			Host:           opts.Host,
 			Port:           opts.Port,
 			Username:       opts.Username,
@@ -245,7 +245,7 @@ func runAnalyze(_ *cobra.Command, opts analyzeOptions) error {
 			ConnectionMode: models.ConnectionModeExisting,
 
 			// PostgreSQL-specific settings
-			SSLConfig: models.PostgreSQLSSLConfig{
+			SSLConfig: models.SSLConfig{
 				Mode:     opts.SSLMode,
 				CertFile: opts.SSLCertFile,
 				KeyFile:  opts.SSLKeyFile,
@@ -279,7 +279,26 @@ func runAnalyze(_ *cobra.Command, opts analyzeOptions) error {
 					},
 				},
 			},
+		}}
+
+	case models.DatabaseTypeOracle:
+		port := opts.Port
+		if port == 0 {
+			port = 1521
 		}
+		config = models.DatabaseConfig{Type: models.DatabaseTypeOracle, Oracle: &models.OracleConfig{
+			Host:        opts.Host,
+			Port:        port,
+			ServiceName: opts.Database,
+			Username:    opts.Username,
+			Password:    opts.Password,
+			Security: models.SecurityConfig{
+				ReadOnly:          true,
+				ConnectionTimeout: opts.ConnectionTimeout,
+				QueryTimeout:      opts.QueryTimeout,
+				MaxConnections:    opts.MaxConnections,
+			},
+		}}
 
 	default:
 		return fmt.Errorf("unsupported database type: %s", opts.DBType)
@@ -360,7 +379,7 @@ func outputSummary(result *models.UniversalDatabaseAnalysisResult, outputFile st
 		fmt.Fprintf(&output, "   Database Type: %s\n", strings.ToUpper(string(result.DatabaseType)))
 		fmt.Fprintf(&output, "   Database: %s@%s:%d/%s\n",
 			result.DatabaseInfo.User, result.DatabaseInfo.Host,
-		result.DatabaseInfo.Port, result.DatabaseInfo.Database)
+			result.DatabaseInfo.Port, result.DatabaseInfo.Database)
 		fmt.Fprintf(&output, "   Server Version: %s\n", result.DatabaseInfo.Version)
 	}
 	fmt.Fprintf(&output, "   Processing Time: %v\n", result.ProcessingDuration)
@@ -392,7 +411,7 @@ func outputSummary(result *models.UniversalDatabaseAnalysisResult, outputFile st
 				schemaInfo = fmt.Sprintf(" (%s)", table.Schema)
 			}
 			fmt.Fprintf(&output, "   %-20s%s - %d rows, %d columns\n",
-			table.Name, schemaInfo, table.EstimatedRows, len(table.Columns))
+				table.Name, schemaInfo, table.EstimatedRows, len(table.Columns))
 
 			// Show column details for first few tables
 			if len(result.SchemaAnalysis.Tables) <= 3 && len(table.Columns) > 0 {

cmd/sql-graph-cli/commands/test.go

@@ -90,7 +90,7 @@ This command provides immediate feedback on:
 	}
 
 	// Database type and connection flags
-	cmd.Flags().StringVar(&dbType, "db-type", "mysql", "Database type: mysql, postgresql")
+	cmd.Flags().StringVar(&dbType, "db-type", "mysql", "Database type: mysql, postgresql, oracle")
 	cmd.Flags().StringVar(&host, "host", "localhost", "Database host")
 	cmd.Flags().IntVar(&port, "port", 0, "Database port (0 = auto-detect: MySQL=3306, PostgreSQL=5432)")
 	cmd.Flags().StringVar(&username, "username", "", "Database username")
@@ -160,7 +160,7 @@ func runTest(opts testOptions) error {
 	var config models.DatabaseConfig
 	switch opts.DBType {
 	case models.DatabaseTypeMySQL:
-		config = &models.MySQLConfig{
+		config = models.DatabaseConfig{Type: models.DatabaseTypeMySQL, MySQL: &models.MySQLConfig{
 			Host:           opts.Host,
 			Port:           opts.Port,
 			Username:       opts.Username,
@@ -180,10 +180,10 @@ func runTest(opts testOptions) error {
 				QueryTimeout:      30, // Short timeout for testing
 				MaxConnections:    1,  // Single connection for testing
 			},
-		}
+		}}
 
 	case models.DatabaseTypePostgreSQL:
-		config = &models.PostgreSQLConfig{
+		config = models.DatabaseConfig{Type: models.DatabaseTypePostgreSQL, PostgreSQL: &models.PostgreSQLConfig{
 			Host:           opts.Host,
 			Port:           opts.Port,
 			Username:       opts.Username,
@@ -193,7 +193,7 @@ func runTest(opts testOptions) error {
 			ConnectionMode: models.ConnectionModeExisting,
 
 			// PostgreSQL-specific settings
-			SSLConfig: models.PostgreSQLSSLConfig{
+			SSLConfig: models.SSLConfig{
 				Mode:     opts.SSLMode,
 				CertFile: opts.SSLCertFile,
 				KeyFile:  opts.SSLKeyFile,
@@ -213,7 +213,26 @@ func runTest(opts testOptions) error {
 				QueryTimeout:      30, // Short timeout for testing
 				MaxConnections:    1,  // Single connection for testing
 			},
+		}}
+
+	case models.DatabaseTypeOracle:
+		port := opts.Port
+		if port == 0 {
+			port = 1521
 		}
+		config = models.DatabaseConfig{Type: models.DatabaseTypeOracle, Oracle: &models.OracleConfig{
+			Host:        opts.Host,
+			Port:        port,
+			ServiceName: opts.Database,
+			Username:    opts.Username,
+			Password:    opts.Password,
+			Security: models.SecurityConfig{
+				ReadOnly:          true,
+				ConnectionTimeout: opts.ConnectionTimeout,
+				QueryTimeout:      30,
+				MaxConnections:    1,
+			},
+		}}
 
 	default:
 		return fmt.Errorf("unsupported database type: %s", opts.DBType)

config/config-oracle.yml

@@ -0,0 +1,35 @@
+# Oracle Database Configuration Example
+# For use with SQL Graph Visualizer
+
+database:
+  type: "oracle"
+  oracle:
+    # Simple connection method
+    host: "localhost"
+    port: 1521
+    service_name: "XEPDB1"    # Or use sid: "XE"
+    # dsn: "(DESCRIPTION=...)"  # TNS descriptor (alternative)
+
+    username: "hr"
+    password: "password"
+
+    # Connection pool
+    max_open_conns: 10
+    max_idle_conns: 5
+    conn_max_lifetime: 60      # minutes
+
+    # Timeouts
+    connection_timeout: 30     # seconds
+    query_timeout: 30          # seconds
+
+    # Optional
+    timezone: "UTC"
+    application_name: "sql-graph-visualizer"
+    # wallet_location: "/path/to/wallet"  # For Oracle Wallet auth
+
+neo4j:
+  uri: "bolt://localhost:7687"
+  user: "neo4j"
+  password: "password"
+
+# Transformation rules will be auto-generated from Oracle schema

docker-compose.oracle.yml

@@ -0,0 +1,39 @@
+# Docker Compose for Oracle XE development/testing
+# Usage: docker-compose -f docker-compose.oracle.yml up -d
+
+version: "3.8"
+
+services:
+  oracle-xe:
+    image: gvenzl/oracle-xe:21-slim
+    container_name: sql-graph-oracle-xe
+    environment:
+      ORACLE_PASSWORD: password
+      APP_USER: hr
+      APP_USER_PASSWORD: password
+    ports:
+      - "1521:1521"
+    volumes:
+      - oracle-data:/opt/oracle/oradata
+    healthcheck:
+      test: ["CMD", "healthcheck.sh"]
+      interval: 30s
+      timeout: 10s
+      retries: 10
+      start_period: 120s
+
+  neo4j:
+    image: neo4j:4.4
+    container_name: sql-graph-neo4j-oracle
+    environment:
+      NEO4J_AUTH: neo4j/password
+      NEO4J_ACCEPT_LICENSE_AGREEMENT: "yes"
+    ports:
+      - "7474:7474"
+      - "7687:7687"
+    volumes:
+      - neo4j-data:/data
+
+volumes:
+  oracle-data:
+  neo4j-data:

go.mod

@@ -1,46 +1,43 @@
 module sql-graph-visualizer
 
-go 1.24.0
-
-toolchain go1.24.6
+go 1.26.2
 
 require (
-	github.com/99designs/gqlgen v0.17.79
-	github.com/go-sql-driver/mysql v1.8.1
+	github.com/99designs/gqlgen v0.17.89
+	github.com/go-sql-driver/mysql v1.9.3
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.1
-	github.com/gorilla/websocket v1.5.0
-	github.com/lib/pq v1.10.9
-	github.com/neo4j/neo4j-go-driver/v4 v4.4.7
+	github.com/gorilla/websocket v1.5.3
+	github.com/lib/pq v1.12.3
+	github.com/neo4j/neo4j-go-driver/v4 v4.4.8
 	github.com/rs/cors v1.11.1
-	github.com/sirupsen/logrus v1.9.3
-	github.com/spf13/cobra v1.10.1
+	github.com/sijms/go-ora/v2 v2.9.0
+	github.com/sirupsen/logrus v1.9.4
+	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
-	github.com/vektah/gqlparser/v2 v2.5.30
-	golang.org/x/text v0.31.0
+	github.com/vektah/gqlparser/v2 v2.5.32
+	golang.org/x/text v0.36.0
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
-	filippo.io/edwards25519 v1.1.0 // indirect
+	filippo.io/edwards25519 v1.2.0 // indirect
 	github.com/agnivade/levenshtein v1.2.1 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/sosodev/duration v1.3.1 // indirect
-	github.com/spf13/pflag v1.0.9 // indirect
-	github.com/stretchr/objx v0.5.2 // indirect
-	github.com/urfave/cli/v2 v2.27.7 // indirect
-	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
-	golang.org/x/mod v0.29.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
-	golang.org/x/tools v0.38.0 // indirect
+	github.com/sosodev/duration v1.4.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/stretchr/objx v0.5.3 // indirect
+	github.com/urfave/cli/v3 v3.8.0 // indirect
+	golang.org/x/mod v0.35.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
+	golang.org/x/tools v0.44.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )