Merge remote-tracking branch 'upstream/master'

base_test.go

@@ -189,6 +189,13 @@ func insertAutoIncr(engine *Engine, t *testing.T) {
 	}
 }
 
+type BigInsert struct {
+}
+
+func insertDefault(engine *Engine, t *testing.T) {
+
+}
+
 func insertMulti(engine *Engine, t *testing.T) {
 	//engine.InsertMany = true
 	users := []Userinfo{
@@ -1540,26 +1547,26 @@ func testStrangeName(engine *Engine, t *testing.T) {
 	}
 }
 
-type Version struct {
+type VersionS struct {
 	Id   int64
 	Name string
 	Ver  int `xorm:"version"`
 }
 
 func testVersion(engine *Engine, t *testing.T) {
-	err := engine.DropTables(new(Version))
+	err := engine.DropTables(new(VersionS))
 	if err != nil {
 		t.Error(err)
 		panic(err)
 	}
 
-	err = engine.CreateTables(new(Version))
+	err = engine.CreateTables(new(VersionS))
 	if err != nil {
 		t.Error(err)
 		panic(err)
 	}
 
-	ver := &Version{Name: "sfsfdsfds"}
+	ver := &VersionS{Name: "sfsfdsfds"}
 	_, err = engine.Insert(ver)
 	if err != nil {
 		t.Error(err)
@@ -1572,7 +1579,7 @@ func testVersion(engine *Engine, t *testing.T) {
 		panic(err)
 	}
 
-	newVer := new(Version)
+	newVer := new(VersionS)
 	has, err := engine.Id(ver.Id).Get(newVer)
 	if err != nil {
 		t.Error(err)
@@ -1597,7 +1604,7 @@ func testVersion(engine *Engine, t *testing.T) {
 		panic(err)
 	}
 
-	newVer = new(Version)
+	newVer = new(VersionS)
 	has, err = engine.Id(ver.Id).Get(newVer)
 	if err != nil {
 		t.Error(err)

engine.go

@@ -19,6 +19,7 @@ const (
 	SQLITE     = "sqlite3"
 	MYSQL      = "mysql"
 	MYMYSQL    = "mymysql"
+	ORACLE_OCI = "oci8"
 )
 
 // a dialect is a driver's wrapper
@@ -140,6 +141,12 @@ func (engine *Engine) NoCache() *Session {
 	return session.NoCache()
 }
 
+func (engine *Engine) NoCascade() *Session {
+	session := engine.NewSession()
+	session.IsAutoClose = true
+	return session.NoCascade()
+}
+
 // Set a table use a special cacher
 func (engine *Engine) MapCacher(bean interface{}, cacher Cacher) {
 	t := rType(bean)

oracle.go

@@ -0,0 +1,258 @@
+package xorm
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type oracle struct {
+	base
+}
+
+type oracleParser struct {
+}
+
+//dataSourceName=user/password@ipv4:port/dbname
+//dataSourceName=user/password@[ipv6]:port/dbname
+func (p *oracleParser) parse(driverName, dataSourceName string) (*uri, error) {
+	db := &uri{dbType: ORACLE_OCI}
+	dsnPattern := regexp.MustCompile(
+		`^(?P<user>.*)\/(?P<password>.*)@` + // user:password@
+			`(?P<net>.*)` + // ip:port
+			`\/(?P<dbname>.*)`) // dbname
+	matches := dsnPattern.FindStringSubmatch(dataSourceName)
+	names := dsnPattern.SubexpNames()
+	for i, match := range matches {
+		switch names[i] {
+		case "dbname":
+			db.dbName = match
+		}
+	}
+	if db.dbName == "" {
+		return nil, errors.New("dbname is empty")
+	}
+	return db, nil
+}
+
+func (db *oracle) Init(drivername, uri string) error {
+	return db.base.init(&oracleParser{}, drivername, uri)
+}
+
+func (db *oracle) SqlType(c *Column) string {
+	var res string
+	switch t := c.SQLType.Name; t {
+	case Bit, TinyInt, SmallInt, MediumInt, Int, Integer, BigInt, Bool, Serial, BigSerial:
+		return "NUMBER"
+	case Binary, VarBinary, Blob, TinyBlob, MediumBlob, LongBlob, Bytea:
+		return Blob
+	case Time, DateTime, TimeStamp:
+		res = TimeStamp
+	case TimeStampz:
+		res = "TIMESTAMP WITH TIME ZONE"
+	case Float, Double, Numeric, Decimal:
+		res = "NUMBER"
+	case Text, MediumText, LongText:
+		res = "CLOB"
+	case Char, Varchar, TinyText:
+		return "VARCHAR2"
+	default:
+		res = t
+	}
+
+	var hasLen1 bool = (c.Length > 0)
+	var hasLen2 bool = (c.Length2 > 0)
+	if hasLen1 {
+		res += "(" + strconv.Itoa(c.Length) + ")"
+	} else if hasLen2 {
+		res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
+	}
+	return res
+}
+
+func (db *oracle) SupportInsertMany() bool {
+	return true
+}
+
+func (db *oracle) QuoteStr() string {
+	return "\""
+}
+
+func (db *oracle) AutoIncrStr() string {
+	return ""
+}
+
+func (db *oracle) SupportEngine() bool {
+	return false
+}
+
+func (db *oracle) SupportCharset() bool {
+	return false
+}
+
+func (db *oracle) IndexOnTable() bool {
+	return false
+}
+
+func (db *oracle) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
+	args := []interface{}{strings.ToUpper(tableName), strings.ToUpper(idxName)}
+	return `SELECT INDEX_NAME FROM USER_INDEXES ` +
+		`WHERE TABLE_NAME = ? AND INDEX_NAME = ?`, args
+}
+
+func (db *oracle) TableCheckSql(tableName string) (string, []interface{}) {
+	args := []interface{}{strings.ToUpper(tableName)}
+	return `SELECT table_name FROM user_tables WHERE table_name = ?`, args
+}
+
+func (db *oracle) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
+	args := []interface{}{strings.ToUpper(tableName), strings.ToUpper(colName)}
+	return "SELECT column_name FROM USER_TAB_COLUMNS WHERE table_name = ?" +
+		" AND column_name = ?", args
+}
+
+func (db *oracle) GetColumns(tableName string) ([]string, map[string]*Column, error) {
+	args := []interface{}{strings.ToUpper(tableName)}
+	s := "SELECT column_name,data_default,data_type,data_length,data_precision,data_scale," +
+		"nullable FROM USER_TAB_COLUMNS WHERE table_name = :1"
+
+	cnn, err := sql.Open(db.driverName, db.dataSourceName)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer cnn.Close()
+	res, err := query(cnn, s, args...)
+	if err != nil {
+		return nil, nil, err
+	}
+	cols := make(map[string]*Column)
+	colSeq := make([]string, 0)
+	for _, record := range res {
+		col := new(Column)
+		col.Indexes = make(map[string]bool)
+		for name, content := range record {
+			switch name {
+			case "column_name":
+				col.Name = strings.Trim(string(content), `" `)
+			case "data_default":
+				col.Default = string(content)
+			case "nullable":
+				if string(content) == "Y" {
+					col.Nullable = true
+				} else {
+					col.Nullable = false
+				}
+			case "data_type":
+				ct := string(content)
+				switch ct {
+				case "VARCHAR2":
+					col.SQLType = SQLType{Varchar, 0, 0}
+				case "TIMESTAMP WITH TIME ZONE":
+					col.SQLType = SQLType{TimeStamp, 0, 0}
+				default:
+					col.SQLType = SQLType{strings.ToUpper(ct), 0, 0}
+				}
+				if _, ok := sqlTypes[col.SQLType.Name]; !ok {
+					return nil, nil, errors.New(fmt.Sprintf("unkonw colType %v", ct))
+				}
+			case "data_length":
+				i, err := strconv.Atoi(string(content))
+				if err != nil {
+					return nil, nil, errors.New("retrieve length error")
+				}
+				col.Length = i
+			case "data_precision":
+			case "data_scale":
+			}
+		}
+		if col.SQLType.IsText() {
+			if col.Default != "" {
+				col.Default = "'" + col.Default + "'"
+			}
+		}
+		cols[col.Name] = col
+		colSeq = append(colSeq, col.Name)
+	}
+
+	return colSeq, cols, nil
+}
+
+func (db *oracle) GetTables() ([]*Table, error) {
+	args := []interface{}{}
+	s := "SELECT table_name FROM user_tables"
+	cnn, err := sql.Open(db.driverName, db.dataSourceName)
+	if err != nil {
+		return nil, err
+	}
+	defer cnn.Close()
+	res, err := query(cnn, s, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	tables := make([]*Table, 0)
+	for _, record := range res {
+		table := new(Table)
+		for name, content := range record {
+			switch name {
+			case "table_name":
+				table.Name = string(content)
+			}
+		}
+		tables = append(tables, table)
+	}
+	return tables, nil
+}
+
+func (db *oracle) GetIndexes(tableName string) (map[string]*Index, error) {
+	args := []interface{}{tableName}
+	s := "SELECT t.column_name,i.table_name,i.uniqueness,i.index_name FROM user_ind_columns t,user_indexes i " +
+		"WHERE t.index_name = i.index_name and t.table_name = i.table_name and t.table_name =:1"
+
+	cnn, err := sql.Open(db.driverName, db.dataSourceName)
+	if err != nil {
+		return nil, err
+	}
+	defer cnn.Close()
+	res, err := query(cnn, s, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	indexes := make(map[string]*Index, 0)
+	for _, record := range res {
+		var indexType int
+		var indexName string
+		var colName string
+
+		for name, content := range record {
+			switch name {
+			case "index_name":
+				indexName = strings.Trim(string(content), `" `)
+			case "uniqueness":
+				c := string(content)
+				if c == "UNIQUE" {
+					indexType = UniqueType
+				} else {
+					indexType = IndexType
+				}
+			case "column_name":
+				colName = string(content)
+			}
+		}
+
+		var index *Index
+		var ok bool
+		if index, ok = indexes[indexName]; !ok {
+			index = new(Index)
+			index.Type = indexType
+			index.Name = indexName
+			indexes[indexName] = index
+		}
+		index.AddColumn(colName)
+	}
+	return indexes, nil
+}

session.go

@@ -129,6 +129,16 @@ func (session *Session) Cols(columns ...string) *Session {
 	return session
 }
 
+func (session *Session) NoCascade() *Session {
+	session.Statement.UseCascade = false
+	return session
+}
+
+/*
+func (session *Session) MustCols(columns ...string) *Session {
+	session.Statement.Must()
+}*/
+
 // Xorm automatically retrieve condition according struct, but
 // if struct has bool field, it will ignore them. So use UseBool
 // to tell system to do not ignore them.
@@ -635,11 +645,14 @@ func (session *Session) cacheGet(bean interface{}, sql string, args ...interface
 			newSession := session.Engine.NewSession()
 			defer newSession.Close()
 			cacheBean = reflect.New(structValue.Type()).Interface()
+			newSession.Id(id).NoCache()
 			if session.Statement.AltTableName != "" {
-				has, err = newSession.Id(id).NoCache().Table(session.Statement.AltTableName).Get(cacheBean)
+				newSession.Table(session.Statement.AltTableName)
-			} else {
-				has, err = newSession.Id(id).NoCache().Get(cacheBean)
 			}
+			if !session.Statement.UseCascade {
+				newSession.NoCascade()
+			}
+			has, err = newSession.Get(cacheBean)
 			if err != nil || !has {
 				return has, err
 			}

xorm.go

@@ -10,7 +10,7 @@ import (
 )
 
 const (
-	version string = "0.2.3"
+	Version string = "0.2.3"
 )
 
 func close(engine *Engine) {
@@ -34,6 +34,9 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 		engine.Filters = append(engine.Filters, &QuoteFilter{})
 	} else if driverName == MYMYSQL {
 		engine.dialect = &mymysql{}
+	} else if driverName == ORACLE_OCI {
+		engine.dialect = &oracle{}
+		engine.Filters = append(engine.Filters, &QuoteFilter{})
 	} else {
 		return nil, errors.New(fmt.Sprintf("Unsupported driver name: %v", driverName))
 	}