refactoring db interface
This commit is contained in:
Lunny Xiao
parent
99c7031b50
commit
4c7e98d8d6
113
mymysql.go
113
mymysql.go
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@ -1,66 +1,67 @@
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package xorm
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import (
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"errors"
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"strings"
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"time"
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"errors"
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"strings"
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"time"
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)
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type mymysql struct {
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mysql
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proto string
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raddr string
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laddr string
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timeout time.Duration
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db string
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user string
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passwd string
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mysql
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}
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type mymysqlParser struct {
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}
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func (p *mymysqlParser) parse(driverName, dataSourceName string) (*uri, error) {
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db := &uri{dbType: MYSQL}
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pd := strings.SplitN(dataSourceName, "*", 2)
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if len(pd) == 2 {
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// Parse protocol part of URI
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p := strings.SplitN(pd[0], ":", 2)
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if len(p) != 2 {
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return nil, errors.New("Wrong protocol part of URI")
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}
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db.proto = p[0]
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options := strings.Split(p[1], ",")
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db.raddr = options[0]
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for _, o := range options[1:] {
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kv := strings.SplitN(o, "=", 2)
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var k, v string
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if len(kv) == 2 {
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k, v = kv[0], kv[1]
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} else {
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k, v = o, "true"
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}
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switch k {
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case "laddr":
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db.laddr = v
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case "timeout":
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to, err := time.ParseDuration(v)
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if err != nil {
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return nil, err
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}
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db.timeout = to
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default:
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return nil, errors.New("Unknown option: " + k)
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}
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}
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// Remove protocol part
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pd = pd[1:]
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}
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// Parse database part of URI
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dup := strings.SplitN(pd[0], "/", 3)
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if len(dup) != 3 {
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return nil, errors.New("Wrong database part of URI")
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}
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db.dbName = dup[0]
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db.user = dup[1]
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db.passwd = dup[2]
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return db, nil
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}
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func (db *mymysql) Init(drivername, uri string) error {
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db.mysql.base.init(drivername, uri)
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pd := strings.SplitN(uri, "*", 2)
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if len(pd) == 2 {
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// Parse protocol part of URI
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p := strings.SplitN(pd[0], ":", 2)
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if len(p) != 2 {
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return errors.New("Wrong protocol part of URI")
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}
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db.proto = p[0]
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options := strings.Split(p[1], ",")
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db.raddr = options[0]
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for _, o := range options[1:] {
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kv := strings.SplitN(o, "=", 2)
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var k, v string
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if len(kv) == 2 {
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k, v = kv[0], kv[1]
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} else {
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k, v = o, "true"
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}
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switch k {
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case "laddr":
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db.laddr = v
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case "timeout":
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to, err := time.ParseDuration(v)
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if err != nil {
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return err
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}
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db.timeout = to
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default:
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return errors.New("Unknown option: " + k)
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}
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}
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// Remove protocol part
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pd = pd[1:]
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}
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// Parse database part of URI
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dup := strings.SplitN(pd[0], "/", 3)
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if len(dup) != 3 {
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return errors.New("Wrong database part of URI")
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}
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db.dbname = dup[0]
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db.user = dup[1]
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db.passwd = dup[2]
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return nil
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return db.mysql.base.init(&mymysqlParser{}, drivername, uri)
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}
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520
mysql.go
520
mysql.go
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@ -1,311 +1,323 @@
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package xorm
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import (
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"crypto/tls"
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"database/sql"
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"errors"
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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"crypto/tls"
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"database/sql"
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"errors"
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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)
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type base struct {
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drivername string
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dataSourceName string
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type uri struct {
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dbType string
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proto string
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host string
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port string
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dbName string
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user string
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passwd string
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charset string
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laddr string
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raddr string
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timeout time.Duration
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}
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func (b *base) init(drivername, dataSourceName string) {
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b.drivername, b.dataSourceName = drivername, dataSourceName
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type parser interface {
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parse(driverName, dataSourceName string) (*uri, error)
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}
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type mysqlParser struct {
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}
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func (p *mysqlParser) parse(driverName, dataSourceName string) (*uri, error) {
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//cfg.params = make(map[string]string)
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dsnPattern := regexp.MustCompile(
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`^(?:(?P<user>.*?)(?::(?P<passwd>.*))?@)?` + // [user[:password]@]
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`(?:(?P<net>[^\(]*)(?:\((?P<addr>[^\)]*)\))?)?` + // [net[(addr)]]
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`\/(?P<dbname>.*?)` + // /dbname
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`(?:\?(?P<params>[^\?]*))?$`) // [?param1=value1¶mN=valueN]
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matches := dsnPattern.FindStringSubmatch(dataSourceName)
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//tlsConfigRegister := make(map[string]*tls.Config)
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names := dsnPattern.SubexpNames()
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uri := &uri{dbType: MYSQL}
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for i, match := range matches {
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switch names[i] {
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case "dbname":
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uri.dbName = match
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}
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}
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return uri, nil
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}
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type base struct {
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parser parser
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driverName string
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dataSourceName string
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*uri
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}
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func (b *base) init(parser parser, drivername, dataSourceName string) (err error) {
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b.parser = parser
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b.driverName, b.dataSourceName = drivername, dataSourceName
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b.uri, err = b.parser.parse(b.driverName, b.dataSourceName)
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return
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}
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type mysql struct {
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base
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user string
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passwd string
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net string
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addr string
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dbname string
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params map[string]string
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loc *time.Location
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timeout time.Duration
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tls *tls.Config
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allowAllFiles bool
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allowOldPasswords bool
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clientFoundRows bool
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}
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/*func readBool(input string) (value bool, valid bool) {
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switch input {
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case "1", "true", "TRUE", "True":
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return true, true
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case "0", "false", "FALSE", "False":
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return false, true
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}
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// Not a valid bool value
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return
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}*/
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func (cfg *mysql) parseDSN(dsn string) (err error) {
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//cfg.params = make(map[string]string)
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dsnPattern := regexp.MustCompile(
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`^(?:(?P<user>.*?)(?::(?P<passwd>.*))?@)?` + // [user[:password]@]
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`(?:(?P<net>[^\(]*)(?:\((?P<addr>[^\)]*)\))?)?` + // [net[(addr)]]
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`\/(?P<dbname>.*?)` + // /dbname
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`(?:\?(?P<params>[^\?]*))?$`) // [?param1=value1¶mN=valueN]
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matches := dsnPattern.FindStringSubmatch(dsn)
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//tlsConfigRegister := make(map[string]*tls.Config)
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names := dsnPattern.SubexpNames()
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for i, match := range matches {
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switch names[i] {
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case "dbname":
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cfg.dbname = match
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}
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}
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return
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base
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net string
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addr string
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params map[string]string
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loc *time.Location
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timeout time.Duration
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tls *tls.Config
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allowAllFiles bool
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allowOldPasswords bool
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clientFoundRows bool
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}
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func (db *mysql) Init(drivername, uri string) error {
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db.base.init(drivername, uri)
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return db.parseDSN(uri)
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return db.base.init(&mysqlParser{}, drivername, uri)
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}
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func (db *mysql) SqlType(c *Column) string {
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var res string
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switch t := c.SQLType.Name; t {
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case Bool:
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res = TinyInt
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case Serial:
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c.IsAutoIncrement = true
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c.IsPrimaryKey = true
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c.Nullable = false
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res = Int
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case BigSerial:
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c.IsAutoIncrement = true
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c.IsPrimaryKey = true
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c.Nullable = false
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res = BigInt
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case Bytea:
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res = Blob
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case TimeStampz:
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res = Char
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c.Length = 64
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default:
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res = t
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}
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var res string
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switch t := c.SQLType.Name; t {
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case Bool:
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res = TinyInt
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case Serial:
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c.IsAutoIncrement = true
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c.IsPrimaryKey = true
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c.Nullable = false
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res = Int
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case BigSerial:
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c.IsAutoIncrement = true
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c.IsPrimaryKey = true
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c.Nullable = false
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res = BigInt
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case Bytea:
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res = Blob
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case TimeStampz:
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res = Char
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c.Length = 64
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default:
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res = t
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}
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var hasLen1 bool = (c.Length > 0)
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var hasLen2 bool = (c.Length2 > 0)
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if hasLen1 {
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res += "(" + strconv.Itoa(c.Length) + ")"
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} else if hasLen2 {
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res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
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}
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return res
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var hasLen1 bool = (c.Length > 0)
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var hasLen2 bool = (c.Length2 > 0)
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if hasLen1 {
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res += "(" + strconv.Itoa(c.Length) + ")"
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} else if hasLen2 {
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res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
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}
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return res
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}
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func (db *mysql) SupportInsertMany() bool {
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return true
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return true
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}
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func (db *mysql) QuoteStr() string {
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return "`"
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return "`"
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}
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func (db *mysql) SupportEngine() bool {
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return true
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return true
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}
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func (db *mysql) AutoIncrStr() string {
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return "AUTO_INCREMENT"
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return "AUTO_INCREMENT"
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}
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func (db *mysql) SupportCharset() bool {
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return true
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return true
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}
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func (db *mysql) IndexOnTable() bool {
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return true
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return true
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}
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func (db *mysql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
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args := []interface{}{db.dbname, tableName, idxName}
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sql := "SELECT `INDEX_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS`"
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sql += " WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `INDEX_NAME`=?"
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return sql, args
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args := []interface{}{db.dbName, tableName, idxName}
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sql := "SELECT `INDEX_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS`"
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sql += " WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `INDEX_NAME`=?"
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return sql, args
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}
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func (db *mysql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
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args := []interface{}{db.dbname, tableName, colName}
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sql := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
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return sql, args
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args := []interface{}{db.dbName, tableName, colName}
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sql := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
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return sql, args
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}
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func (db *mysql) TableCheckSql(tableName string) (string, []interface{}) {
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args := []interface{}{db.dbname, tableName}
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sql := "SELECT `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? and `TABLE_NAME`=?"
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return sql, args
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args := []interface{}{db.dbName, tableName}
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sql := "SELECT `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? and `TABLE_NAME`=?"
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return sql, args
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}
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func (db *mysql) GetColumns(tableName string) ([]string, map[string]*Column, error) {
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args := []interface{}{db.dbname, tableName}
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s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
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" `COLUMN_KEY`, `EXTRA` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
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cnn, err := sql.Open(db.drivername, db.dataSourceName)
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if err != nil {
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return nil, nil, err
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}
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defer cnn.Close()
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res, err := query(cnn, s, args...)
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if err != nil {
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return nil, nil, err
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}
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cols := make(map[string]*Column)
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colSeq := make([]string, 0)
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for _, record := range res {
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col := new(Column)
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col.Indexes = make(map[string]bool)
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for name, content := range record {
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switch name {
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case "COLUMN_NAME":
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col.Name = strings.Trim(string(content), "` ")
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case "IS_NULLABLE":
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if "YES" == string(content) {
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col.Nullable = true
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}
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case "COLUMN_DEFAULT":
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// add ''
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col.Default = string(content)
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case "COLUMN_TYPE":
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cts := strings.Split(string(content), "(")
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var len1, len2 int
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if len(cts) == 2 {
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idx := strings.Index(cts[1], ")")
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lens := strings.Split(cts[1][0:idx], ",")
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len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
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if err != nil {
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return nil, nil, err
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}
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if len(lens) == 2 {
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len2, err = strconv.Atoi(lens[1])
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if err != nil {
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return nil, nil, err
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}
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}
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}
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colName := cts[0]
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colType := strings.ToUpper(colName)
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col.Length = len1
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col.Length2 = len2
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if _, ok := sqlTypes[colType]; ok {
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col.SQLType = SQLType{colType, len1, len2}
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} else {
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return nil, nil, errors.New(fmt.Sprintf("unkonw colType %v", colType))
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}
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case "COLUMN_KEY":
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key := string(content)
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if key == "PRI" {
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col.IsPrimaryKey = true
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}
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if key == "UNI" {
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//col.is
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}
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case "EXTRA":
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extra := string(content)
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if extra == "auto_increment" {
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col.IsAutoIncrement = true
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}
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}
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}
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if col.SQLType.IsText() {
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if col.Default != "" {
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col.Default = "'" + col.Default + "'"
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}
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}
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cols[col.Name] = col
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colSeq = append(colSeq, col.Name)
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}
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return colSeq, cols, nil
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args := []interface{}{db.dbName, tableName}
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s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
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" `COLUMN_KEY`, `EXTRA` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
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cnn, err := sql.Open(db.driverName, db.dataSourceName)
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if err != nil {
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return nil, nil, err
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}
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defer cnn.Close()
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res, err := query(cnn, s, args...)
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if err != nil {
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return nil, nil, err
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}
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cols := make(map[string]*Column)
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colSeq := make([]string, 0)
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for _, record := range res {
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col := new(Column)
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col.Indexes = make(map[string]bool)
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for name, content := range record {
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switch name {
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case "COLUMN_NAME":
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col.Name = strings.Trim(string(content), "` ")
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case "IS_NULLABLE":
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if "YES" == string(content) {
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col.Nullable = true
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}
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case "COLUMN_DEFAULT":
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// add ''
|
||||
col.Default = string(content)
|
||||
case "COLUMN_TYPE":
|
||||
cts := strings.Split(string(content), "(")
|
||||
var len1, len2 int
|
||||
if len(cts) == 2 {
|
||||
idx := strings.Index(cts[1], ")")
|
||||
lens := strings.Split(cts[1][0:idx], ",")
|
||||
len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
if len(lens) == 2 {
|
||||
len2, err = strconv.Atoi(lens[1])
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
}
|
||||
}
|
||||
colName := cts[0]
|
||||
colType := strings.ToUpper(colName)
|
||||
col.Length = len1
|
||||
col.Length2 = len2
|
||||
if _, ok := sqlTypes[colType]; ok {
|
||||
col.SQLType = SQLType{colType, len1, len2}
|
||||
} else {
|
||||
return nil, nil, errors.New(fmt.Sprintf("unkonw colType %v", colType))
|
||||
}
|
||||
case "COLUMN_KEY":
|
||||
key := string(content)
|
||||
if key == "PRI" {
|
||||
col.IsPrimaryKey = true
|
||||
}
|
||||
if key == "UNI" {
|
||||
//col.is
|
||||
}
|
||||
case "EXTRA":
|
||||
extra := string(content)
|
||||
if extra == "auto_increment" {
|
||||
col.IsAutoIncrement = true
|
||||
}
|
||||
}
|
||||
}
|
||||
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 *mysql) GetTables() ([]*Table, error) {
|
||||
args := []interface{}{db.dbname}
|
||||
s := "SELECT `TABLE_NAME`, `ENGINE`, `TABLE_ROWS`, `AUTO_INCREMENT` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=?"
|
||||
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
|
||||
}
|
||||
args := []interface{}{db.dbName}
|
||||
s := "SELECT `TABLE_NAME`, `ENGINE`, `TABLE_ROWS`, `AUTO_INCREMENT` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=?"
|
||||
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 = strings.Trim(string(content), "` ")
|
||||
case "ENGINE":
|
||||
}
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
tables := make([]*Table, 0)
|
||||
for _, record := range res {
|
||||
table := new(Table)
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "TABLE_NAME":
|
||||
table.Name = strings.Trim(string(content), "` ")
|
||||
case "ENGINE":
|
||||
}
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
}
|
||||
|
||||
func (db *mysql) GetIndexes(tableName string) (map[string]*Index, error) {
|
||||
args := []interface{}{db.dbname, tableName}
|
||||
s := "SELECT `INDEX_NAME`, `NON_UNIQUE`, `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
|
||||
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
|
||||
}
|
||||
args := []interface{}{db.dbName, tableName}
|
||||
s := "SELECT `INDEX_NAME`, `NON_UNIQUE`, `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
|
||||
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, colName string
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "NON_UNIQUE":
|
||||
if "YES" == string(content) || string(content) == "1" {
|
||||
indexType = IndexType
|
||||
} else {
|
||||
indexType = UniqueType
|
||||
}
|
||||
case "INDEX_NAME":
|
||||
indexName = string(content)
|
||||
case "COLUMN_NAME":
|
||||
colName = strings.Trim(string(content), "` ")
|
||||
}
|
||||
}
|
||||
if indexName == "PRIMARY" {
|
||||
continue
|
||||
}
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
indexName = indexName[5+len(tableName) : len(indexName)]
|
||||
}
|
||||
indexes := make(map[string]*Index, 0)
|
||||
for _, record := range res {
|
||||
var indexType int
|
||||
var indexName, colName string
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "NON_UNIQUE":
|
||||
if "YES" == string(content) || string(content) == "1" {
|
||||
indexType = IndexType
|
||||
} else {
|
||||
indexType = UniqueType
|
||||
}
|
||||
case "INDEX_NAME":
|
||||
indexName = string(content)
|
||||
case "COLUMN_NAME":
|
||||
colName = strings.Trim(string(content), "` ")
|
||||
}
|
||||
}
|
||||
if indexName == "PRIMARY" {
|
||||
continue
|
||||
}
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
indexName = indexName[5+len(tableName) : len(indexName)]
|
||||
}
|
||||
|
||||
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
|
||||
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
|
||||
}
|
||||
|
|
|
|||
459
postgres.go
459
postgres.go
|
|
@ -1,300 +1,305 @@
|
|||
package xorm
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
"errors"
|
||||
"fmt"
|
||||
"strconv"
|
||||
"strings"
|
||||
"database/sql"
|
||||
"errors"
|
||||
"fmt"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
type postgres struct {
|
||||
base
|
||||
dbname string
|
||||
base
|
||||
}
|
||||
|
||||
type values map[string]string
|
||||
|
||||
func (vs values) Set(k, v string) {
|
||||
vs[k] = v
|
||||
vs[k] = v
|
||||
}
|
||||
|
||||
func (vs values) Get(k string) (v string) {
|
||||
return vs[k]
|
||||
return vs[k]
|
||||
}
|
||||
|
||||
func errorf(s string, args ...interface{}) {
|
||||
panic(fmt.Errorf("pq: %s", fmt.Sprintf(s, args...)))
|
||||
panic(fmt.Errorf("pq: %s", fmt.Sprintf(s, args...)))
|
||||
}
|
||||
|
||||
func parseOpts(name string, o values) {
|
||||
if len(name) == 0 {
|
||||
return
|
||||
}
|
||||
if len(name) == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
name = strings.TrimSpace(name)
|
||||
name = strings.TrimSpace(name)
|
||||
|
||||
ps := strings.Split(name, " ")
|
||||
for _, p := range ps {
|
||||
kv := strings.Split(p, "=")
|
||||
if len(kv) < 2 {
|
||||
errorf("invalid option: %q", p)
|
||||
}
|
||||
o.Set(kv[0], kv[1])
|
||||
}
|
||||
ps := strings.Split(name, " ")
|
||||
for _, p := range ps {
|
||||
kv := strings.Split(p, "=")
|
||||
if len(kv) < 2 {
|
||||
errorf("invalid option: %q", p)
|
||||
}
|
||||
o.Set(kv[0], kv[1])
|
||||
}
|
||||
}
|
||||
|
||||
type postgresParser struct {
|
||||
}
|
||||
|
||||
func (p *postgresParser) parse(driverName, dataSourceName string) (*uri, error) {
|
||||
db := &uri{dbType: POSTGRES}
|
||||
o := make(values)
|
||||
parseOpts(dataSourceName, o)
|
||||
|
||||
db.dbName = o.Get("dbname")
|
||||
if db.dbName == "" {
|
||||
return nil, errors.New("dbname is empty")
|
||||
}
|
||||
return db, nil
|
||||
}
|
||||
|
||||
func (db *postgres) Init(drivername, uri string) error {
|
||||
db.base.init(drivername, uri)
|
||||
|
||||
o := make(values)
|
||||
parseOpts(uri, o)
|
||||
|
||||
db.dbname = o.Get("dbname")
|
||||
if db.dbname == "" {
|
||||
return errors.New("dbname is empty")
|
||||
}
|
||||
return nil
|
||||
return db.base.init(&postgresParser{}, drivername, uri)
|
||||
}
|
||||
|
||||
func (db *postgres) SqlType(c *Column) string {
|
||||
var res string
|
||||
switch t := c.SQLType.Name; t {
|
||||
case TinyInt:
|
||||
res = SmallInt
|
||||
case MediumInt, Int, Integer:
|
||||
return Integer
|
||||
case Serial, BigSerial:
|
||||
c.IsAutoIncrement = true
|
||||
c.Nullable = false
|
||||
res = t
|
||||
case Binary, VarBinary:
|
||||
return Bytea
|
||||
case DateTime:
|
||||
res = TimeStamp
|
||||
case TimeStampz:
|
||||
return "timestamp with time zone"
|
||||
case Float:
|
||||
res = Real
|
||||
case TinyText, MediumText, LongText:
|
||||
res = Text
|
||||
case Blob, TinyBlob, MediumBlob, LongBlob:
|
||||
return Bytea
|
||||
case Double:
|
||||
return "DOUBLE PRECISION"
|
||||
default:
|
||||
if c.IsAutoIncrement {
|
||||
return Serial
|
||||
}
|
||||
res = t
|
||||
}
|
||||
var res string
|
||||
switch t := c.SQLType.Name; t {
|
||||
case TinyInt:
|
||||
res = SmallInt
|
||||
case MediumInt, Int, Integer:
|
||||
return Integer
|
||||
case Serial, BigSerial:
|
||||
c.IsAutoIncrement = true
|
||||
c.Nullable = false
|
||||
res = t
|
||||
case Binary, VarBinary:
|
||||
return Bytea
|
||||
case DateTime:
|
||||
res = TimeStamp
|
||||
case TimeStampz:
|
||||
return "timestamp with time zone"
|
||||
case Float:
|
||||
res = Real
|
||||
case TinyText, MediumText, LongText:
|
||||
res = Text
|
||||
case Blob, TinyBlob, MediumBlob, LongBlob:
|
||||
return Bytea
|
||||
case Double:
|
||||
return "DOUBLE PRECISION"
|
||||
default:
|
||||
if c.IsAutoIncrement {
|
||||
return Serial
|
||||
}
|
||||
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
|
||||
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 *postgres) SupportInsertMany() bool {
|
||||
return true
|
||||
return true
|
||||
}
|
||||
|
||||
func (db *postgres) QuoteStr() string {
|
||||
return "\""
|
||||
return "\""
|
||||
}
|
||||
|
||||
func (db *postgres) AutoIncrStr() string {
|
||||
return ""
|
||||
return ""
|
||||
}
|
||||
|
||||
func (db *postgres) SupportEngine() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *postgres) SupportCharset() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *postgres) IndexOnTable() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *postgres) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
|
||||
args := []interface{}{tableName, idxName}
|
||||
return `SELECT indexname FROM pg_indexes ` +
|
||||
`WHERE tablename = ? AND indexname = ?`, args
|
||||
args := []interface{}{tableName, idxName}
|
||||
return `SELECT indexname FROM pg_indexes ` +
|
||||
`WHERE tablename = ? AND indexname = ?`, args
|
||||
}
|
||||
|
||||
func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
|
||||
args := []interface{}{tableName}
|
||||
return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
|
||||
args := []interface{}{tableName}
|
||||
return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
|
||||
}
|
||||
|
||||
func (db *postgres) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
|
||||
args := []interface{}{tableName, colName}
|
||||
return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
|
||||
" AND column_name = ?", args
|
||||
args := []interface{}{tableName, colName}
|
||||
return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
|
||||
" AND column_name = ?", args
|
||||
}
|
||||
|
||||
func (db *postgres) GetColumns(tableName string) ([]string, map[string]*Column, error) {
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT column_name, column_default, is_nullable, data_type, character_maximum_length" +
|
||||
", numeric_precision, numeric_precision_radix FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1"
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT column_name, column_default, is_nullable, data_type, character_maximum_length" +
|
||||
", numeric_precision, numeric_precision_radix FROM INFORMATION_SCHEMA.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 "column_default":
|
||||
if strings.HasPrefix(string(content), "nextval") {
|
||||
col.IsPrimaryKey = true
|
||||
} else {
|
||||
col.Default = string(content)
|
||||
}
|
||||
case "is_nullable":
|
||||
if string(content) == "YES" {
|
||||
col.Nullable = true
|
||||
} else {
|
||||
col.Nullable = false
|
||||
}
|
||||
case "data_type":
|
||||
ct := string(content)
|
||||
switch ct {
|
||||
case "character varying", "character":
|
||||
col.SQLType = SQLType{Varchar, 0, 0}
|
||||
case "timestamp without time zone":
|
||||
col.SQLType = SQLType{DateTime, 0, 0}
|
||||
case "timestamp with time zone":
|
||||
col.SQLType = SQLType{TimeStampz, 0, 0}
|
||||
case "double precision":
|
||||
col.SQLType = SQLType{Double, 0, 0}
|
||||
case "boolean":
|
||||
col.SQLType = SQLType{Bool, 0, 0}
|
||||
case "time without time zone":
|
||||
col.SQLType = SQLType{Time, 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 "character_maximum_length":
|
||||
i, err := strconv.Atoi(string(content))
|
||||
if err != nil {
|
||||
return nil, nil, errors.New("retrieve length error")
|
||||
}
|
||||
col.Length = i
|
||||
case "numeric_precision":
|
||||
case "numeric_precision_radix":
|
||||
}
|
||||
}
|
||||
if col.SQLType.IsText() {
|
||||
if col.Default != "" {
|
||||
col.Default = "'" + col.Default + "'"
|
||||
}
|
||||
}
|
||||
cols[col.Name] = col
|
||||
colSeq = append(colSeq, col.Name)
|
||||
}
|
||||
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 "column_default":
|
||||
if strings.HasPrefix(string(content), "nextval") {
|
||||
col.IsPrimaryKey = true
|
||||
} else {
|
||||
col.Default = string(content)
|
||||
}
|
||||
case "is_nullable":
|
||||
if string(content) == "YES" {
|
||||
col.Nullable = true
|
||||
} else {
|
||||
col.Nullable = false
|
||||
}
|
||||
case "data_type":
|
||||
ct := string(content)
|
||||
switch ct {
|
||||
case "character varying", "character":
|
||||
col.SQLType = SQLType{Varchar, 0, 0}
|
||||
case "timestamp without time zone":
|
||||
col.SQLType = SQLType{DateTime, 0, 0}
|
||||
case "timestamp with time zone":
|
||||
col.SQLType = SQLType{TimeStampz, 0, 0}
|
||||
case "double precision":
|
||||
col.SQLType = SQLType{Double, 0, 0}
|
||||
case "boolean":
|
||||
col.SQLType = SQLType{Bool, 0, 0}
|
||||
case "time without time zone":
|
||||
col.SQLType = SQLType{Time, 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 "character_maximum_length":
|
||||
i, err := strconv.Atoi(string(content))
|
||||
if err != nil {
|
||||
return nil, nil, errors.New("retrieve length error")
|
||||
}
|
||||
col.Length = i
|
||||
case "numeric_precision":
|
||||
case "numeric_precision_radix":
|
||||
}
|
||||
}
|
||||
if col.SQLType.IsText() {
|
||||
if col.Default != "" {
|
||||
col.Default = "'" + col.Default + "'"
|
||||
}
|
||||
}
|
||||
cols[col.Name] = col
|
||||
colSeq = append(colSeq, col.Name)
|
||||
}
|
||||
|
||||
return colSeq, cols, nil
|
||||
return colSeq, cols, nil
|
||||
}
|
||||
|
||||
func (db *postgres) GetTables() ([]*Table, error) {
|
||||
args := []interface{}{}
|
||||
s := "SELECT tablename FROM pg_tables where schemaname = 'public'"
|
||||
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
|
||||
}
|
||||
args := []interface{}{}
|
||||
s := "SELECT tablename FROM pg_tables where schemaname = 'public'"
|
||||
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 "tablename":
|
||||
table.Name = string(content)
|
||||
}
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
tables := make([]*Table, 0)
|
||||
for _, record := range res {
|
||||
table := new(Table)
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "tablename":
|
||||
table.Name = string(content)
|
||||
}
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
}
|
||||
|
||||
func (db *postgres) GetIndexes(tableName string) (map[string]*Index, error) {
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT tablename, indexname, indexdef FROM pg_indexes WHERE schemaname = 'public' and tablename = $1"
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT tablename, indexname, indexdef FROM pg_indexes WHERE schemaname = 'public' and tablename = $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
|
||||
}
|
||||
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 colNames []string
|
||||
indexes := make(map[string]*Index, 0)
|
||||
for _, record := range res {
|
||||
var indexType int
|
||||
var indexName string
|
||||
var colNames []string
|
||||
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "indexname":
|
||||
indexName = strings.Trim(string(content), `" `)
|
||||
case "indexdef":
|
||||
c := string(content)
|
||||
if strings.HasPrefix(c, "CREATE UNIQUE INDEX") {
|
||||
indexType = UniqueType
|
||||
} else {
|
||||
indexType = IndexType
|
||||
}
|
||||
cs := strings.Split(c, "(")
|
||||
colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
|
||||
}
|
||||
}
|
||||
if strings.HasSuffix(indexName, "_pkey") {
|
||||
continue
|
||||
}
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
newIdxName := indexName[5+len(tableName) : len(indexName)]
|
||||
if newIdxName != "" {
|
||||
indexName = newIdxName
|
||||
}
|
||||
}
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "indexname":
|
||||
indexName = strings.Trim(string(content), `" `)
|
||||
case "indexdef":
|
||||
c := string(content)
|
||||
if strings.HasPrefix(c, "CREATE UNIQUE INDEX") {
|
||||
indexType = UniqueType
|
||||
} else {
|
||||
indexType = IndexType
|
||||
}
|
||||
cs := strings.Split(c, "(")
|
||||
colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
|
||||
}
|
||||
}
|
||||
if strings.HasSuffix(indexName, "_pkey") {
|
||||
continue
|
||||
}
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
newIdxName := indexName[5+len(tableName) : len(indexName)]
|
||||
if newIdxName != "" {
|
||||
indexName = newIdxName
|
||||
}
|
||||
}
|
||||
|
||||
index := &Index{Name: indexName, Type: indexType, Cols: make([]string, 0)}
|
||||
for _, colName := range colNames {
|
||||
index.Cols = append(index.Cols, strings.Trim(colName, `" `))
|
||||
}
|
||||
indexes[index.Name] = index
|
||||
}
|
||||
return indexes, nil
|
||||
index := &Index{Name: indexName, Type: indexType, Cols: make([]string, 0)}
|
||||
for _, colName := range colNames {
|
||||
index.Cols = append(index.Cols, strings.Trim(colName, `" `))
|
||||
}
|
||||
indexes[index.Name] = index
|
||||
}
|
||||
return indexes, nil
|
||||
}
|
||||
|
|
|
|||
334
sqlite3.go
334
sqlite3.go
|
|
@ -1,223 +1,229 @@
|
|||
package xorm
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
"strings"
|
||||
"database/sql"
|
||||
"strings"
|
||||
)
|
||||
|
||||
type sqlite3 struct {
|
||||
base
|
||||
base
|
||||
}
|
||||
|
||||
type sqlite3Parser struct {
|
||||
}
|
||||
|
||||
func (p *sqlite3Parser) parse(driverName, dataSourceName string) (*uri, error) {
|
||||
return &uri{dbType: SQLITE, dbName: dataSourceName}, nil
|
||||
}
|
||||
|
||||
func (db *sqlite3) Init(drivername, dataSourceName string) error {
|
||||
db.base.init(drivername, dataSourceName)
|
||||
return nil
|
||||
return db.base.init(&sqlite3Parser{}, drivername, dataSourceName)
|
||||
}
|
||||
|
||||
func (db *sqlite3) SqlType(c *Column) string {
|
||||
switch t := c.SQLType.Name; t {
|
||||
case Date, DateTime, TimeStamp, Time:
|
||||
return Numeric
|
||||
case TimeStampz:
|
||||
return Text
|
||||
case Char, Varchar, TinyText, Text, MediumText, LongText:
|
||||
return Text
|
||||
case Bit, TinyInt, SmallInt, MediumInt, Int, Integer, BigInt, Bool:
|
||||
return Integer
|
||||
case Float, Double, Real:
|
||||
return Real
|
||||
case Decimal, Numeric:
|
||||
return Numeric
|
||||
case TinyBlob, Blob, MediumBlob, LongBlob, Bytea, Binary, VarBinary:
|
||||
return Blob
|
||||
case Serial, BigSerial:
|
||||
c.IsPrimaryKey = true
|
||||
c.IsAutoIncrement = true
|
||||
c.Nullable = false
|
||||
return Integer
|
||||
default:
|
||||
return t
|
||||
}
|
||||
switch t := c.SQLType.Name; t {
|
||||
case Date, DateTime, TimeStamp, Time:
|
||||
return Numeric
|
||||
case TimeStampz:
|
||||
return Text
|
||||
case Char, Varchar, TinyText, Text, MediumText, LongText:
|
||||
return Text
|
||||
case Bit, TinyInt, SmallInt, MediumInt, Int, Integer, BigInt, Bool:
|
||||
return Integer
|
||||
case Float, Double, Real:
|
||||
return Real
|
||||
case Decimal, Numeric:
|
||||
return Numeric
|
||||
case TinyBlob, Blob, MediumBlob, LongBlob, Bytea, Binary, VarBinary:
|
||||
return Blob
|
||||
case Serial, BigSerial:
|
||||
c.IsPrimaryKey = true
|
||||
c.IsAutoIncrement = true
|
||||
c.Nullable = false
|
||||
return Integer
|
||||
default:
|
||||
return t
|
||||
}
|
||||
}
|
||||
|
||||
func (db *sqlite3) SupportInsertMany() bool {
|
||||
return true
|
||||
return true
|
||||
}
|
||||
|
||||
func (db *sqlite3) QuoteStr() string {
|
||||
return "`"
|
||||
return "`"
|
||||
}
|
||||
|
||||
func (db *sqlite3) AutoIncrStr() string {
|
||||
return "AUTOINCREMENT"
|
||||
return "AUTOINCREMENT"
|
||||
}
|
||||
|
||||
func (db *sqlite3) SupportEngine() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *sqlite3) SupportCharset() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *sqlite3) IndexOnTable() bool {
|
||||
return false
|
||||
return false
|
||||
}
|
||||
|
||||
func (db *sqlite3) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
|
||||
args := []interface{}{idxName}
|
||||
return "SELECT name FROM sqlite_master WHERE type='index' and name = ?", args
|
||||
args := []interface{}{idxName}
|
||||
return "SELECT name FROM sqlite_master WHERE type='index' and name = ?", args
|
||||
}
|
||||
|
||||
func (db *sqlite3) TableCheckSql(tableName string) (string, []interface{}) {
|
||||
args := []interface{}{tableName}
|
||||
return "SELECT name FROM sqlite_master WHERE type='table' and name = ?", args
|
||||
args := []interface{}{tableName}
|
||||
return "SELECT name FROM sqlite_master WHERE type='table' and name = ?", args
|
||||
}
|
||||
|
||||
func (db *sqlite3) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
|
||||
args := []interface{}{tableName}
|
||||
sql := "SELECT name FROM sqlite_master WHERE type='table' and name = ? and ((sql like '%`" + colName + "`%') or (sql like '%[" + colName + "]%'))"
|
||||
return sql, args
|
||||
args := []interface{}{tableName}
|
||||
sql := "SELECT name FROM sqlite_master WHERE type='table' and name = ? and ((sql like '%`" + colName + "`%') or (sql like '%[" + colName + "]%'))"
|
||||
return sql, args
|
||||
}
|
||||
|
||||
func (db *sqlite3) GetColumns(tableName string) ([]string, map[string]*Column, error) {
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT sql FROM sqlite_master WHERE type='table' and name = ?"
|
||||
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
|
||||
}
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT sql FROM sqlite_master WHERE type='table' and name = ?"
|
||||
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
|
||||
}
|
||||
|
||||
var sql string
|
||||
for _, record := range res {
|
||||
for name, content := range record {
|
||||
if name == "sql" {
|
||||
sql = string(content)
|
||||
}
|
||||
}
|
||||
}
|
||||
var sql string
|
||||
for _, record := range res {
|
||||
for name, content := range record {
|
||||
if name == "sql" {
|
||||
sql = string(content)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
nStart := strings.Index(sql, "(")
|
||||
nEnd := strings.Index(sql, ")")
|
||||
colCreates := strings.Split(sql[nStart+1:nEnd], ",")
|
||||
cols := make(map[string]*Column)
|
||||
colSeq := make([]string, 0)
|
||||
for _, colStr := range colCreates {
|
||||
fields := strings.Fields(strings.TrimSpace(colStr))
|
||||
col := new(Column)
|
||||
col.Indexes = make(map[string]bool)
|
||||
col.Nullable = true
|
||||
for idx, field := range fields {
|
||||
if idx == 0 {
|
||||
col.Name = strings.Trim(field, "`[] ")
|
||||
continue
|
||||
} else if idx == 1 {
|
||||
col.SQLType = SQLType{field, 0, 0}
|
||||
}
|
||||
switch field {
|
||||
case "PRIMARY":
|
||||
col.IsPrimaryKey = true
|
||||
case "AUTOINCREMENT":
|
||||
col.IsAutoIncrement = true
|
||||
case "NULL":
|
||||
if fields[idx-1] == "NOT" {
|
||||
col.Nullable = false
|
||||
} else {
|
||||
col.Nullable = true
|
||||
}
|
||||
}
|
||||
}
|
||||
cols[col.Name] = col
|
||||
colSeq = append(colSeq, col.Name)
|
||||
}
|
||||
return colSeq, cols, nil
|
||||
nStart := strings.Index(sql, "(")
|
||||
nEnd := strings.Index(sql, ")")
|
||||
colCreates := strings.Split(sql[nStart+1:nEnd], ",")
|
||||
cols := make(map[string]*Column)
|
||||
colSeq := make([]string, 0)
|
||||
for _, colStr := range colCreates {
|
||||
fields := strings.Fields(strings.TrimSpace(colStr))
|
||||
col := new(Column)
|
||||
col.Indexes = make(map[string]bool)
|
||||
col.Nullable = true
|
||||
for idx, field := range fields {
|
||||
if idx == 0 {
|
||||
col.Name = strings.Trim(field, "`[] ")
|
||||
continue
|
||||
} else if idx == 1 {
|
||||
col.SQLType = SQLType{field, 0, 0}
|
||||
}
|
||||
switch field {
|
||||
case "PRIMARY":
|
||||
col.IsPrimaryKey = true
|
||||
case "AUTOINCREMENT":
|
||||
col.IsAutoIncrement = true
|
||||
case "NULL":
|
||||
if fields[idx-1] == "NOT" {
|
||||
col.Nullable = false
|
||||
} else {
|
||||
col.Nullable = true
|
||||
}
|
||||
}
|
||||
}
|
||||
cols[col.Name] = col
|
||||
colSeq = append(colSeq, col.Name)
|
||||
}
|
||||
return colSeq, cols, nil
|
||||
}
|
||||
|
||||
func (db *sqlite3) GetTables() ([]*Table, error) {
|
||||
args := []interface{}{}
|
||||
s := "SELECT name FROM sqlite_master WHERE type='table'"
|
||||
args := []interface{}{}
|
||||
s := "SELECT name FROM sqlite_master WHERE type='table'"
|
||||
|
||||
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
|
||||
}
|
||||
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 "name":
|
||||
table.Name = string(content)
|
||||
}
|
||||
}
|
||||
if table.Name == "sqlite_sequence" {
|
||||
continue
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
tables := make([]*Table, 0)
|
||||
for _, record := range res {
|
||||
table := new(Table)
|
||||
for name, content := range record {
|
||||
switch name {
|
||||
case "name":
|
||||
table.Name = string(content)
|
||||
}
|
||||
}
|
||||
if table.Name == "sqlite_sequence" {
|
||||
continue
|
||||
}
|
||||
tables = append(tables, table)
|
||||
}
|
||||
return tables, nil
|
||||
}
|
||||
|
||||
func (db *sqlite3) GetIndexes(tableName string) (map[string]*Index, error) {
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT sql FROM sqlite_master WHERE type='index' and tbl_name = ?"
|
||||
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
|
||||
}
|
||||
args := []interface{}{tableName}
|
||||
s := "SELECT sql FROM sqlite_master WHERE type='index' and tbl_name = ?"
|
||||
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 sql string
|
||||
index := new(Index)
|
||||
for name, content := range record {
|
||||
if name == "sql" {
|
||||
sql = string(content)
|
||||
}
|
||||
}
|
||||
indexes := make(map[string]*Index, 0)
|
||||
for _, record := range res {
|
||||
var sql string
|
||||
index := new(Index)
|
||||
for name, content := range record {
|
||||
if name == "sql" {
|
||||
sql = string(content)
|
||||
}
|
||||
}
|
||||
|
||||
nNStart := strings.Index(sql, "INDEX")
|
||||
nNEnd := strings.Index(sql, "ON")
|
||||
indexName := strings.Trim(sql[nNStart+6:nNEnd], "` []")
|
||||
//fmt.Println(indexName)
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
index.Name = indexName[5+len(tableName) : len(indexName)]
|
||||
} else {
|
||||
index.Name = indexName
|
||||
}
|
||||
nNStart := strings.Index(sql, "INDEX")
|
||||
nNEnd := strings.Index(sql, "ON")
|
||||
indexName := strings.Trim(sql[nNStart+6:nNEnd], "` []")
|
||||
//fmt.Println(indexName)
|
||||
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||||
index.Name = indexName[5+len(tableName) : len(indexName)]
|
||||
} else {
|
||||
index.Name = indexName
|
||||
}
|
||||
|
||||
if strings.HasPrefix(sql, "CREATE UNIQUE INDEX") {
|
||||
index.Type = UniqueType
|
||||
} else {
|
||||
index.Type = IndexType
|
||||
}
|
||||
if strings.HasPrefix(sql, "CREATE UNIQUE INDEX") {
|
||||
index.Type = UniqueType
|
||||
} else {
|
||||
index.Type = IndexType
|
||||
}
|
||||
|
||||
nStart := strings.Index(sql, "(")
|
||||
nEnd := strings.Index(sql, ")")
|
||||
colIndexes := strings.Split(sql[nStart+1:nEnd], ",")
|
||||
nStart := strings.Index(sql, "(")
|
||||
nEnd := strings.Index(sql, ")")
|
||||
colIndexes := strings.Split(sql[nStart+1:nEnd], ",")
|
||||
|
||||
index.Cols = make([]string, 0)
|
||||
for _, col := range colIndexes {
|
||||
index.Cols = append(index.Cols, strings.Trim(col, "` []"))
|
||||
}
|
||||
indexes[index.Name] = index
|
||||
}
|
||||
index.Cols = make([]string, 0)
|
||||
for _, col := range colIndexes {
|
||||
index.Cols = append(index.Cols, strings.Trim(col, "` []"))
|
||||
}
|
||||
indexes[index.Name] = index
|
||||
}
|
||||
|
||||
return indexes, nil
|
||||
return indexes, nil
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue