mirror of
https://github.com/Syngnat/GoNavi.git
synced 2026-05-11 19:49:46 +08:00
6ee0fea110
- MariaDB: DSN 添加 multiStatements=true，实现 QueryMulti/QueryMultiContext - SQL Server: 实现 QueryMulti/QueryMultiContext（go-mssqldb 原生支持批处理） - DiROS: DSN 添加 multiStatements=true（继承 MySQLDB 的方法） - Sphinx: 自动继承 MySQLDB 多结果集支持，无需额外改动 - 不支持原生多语句的数据源执行多条 SQL 时，前端展示 info 提示 - refs #235
450 lines
11 KiB
Go
450 lines
11 KiB
Go
//go:build gonavi_full_drivers || gonavi_mariadb_driver
|
|
|
|
package db
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"net/url"
|
|
"strings"
|
|
"time"
|
|
|
|
"GoNavi-Wails/internal/connection"
|
|
"GoNavi-Wails/internal/ssh"
|
|
"GoNavi-Wails/internal/utils"
|
|
|
|
_ "github.com/go-sql-driver/mysql"
|
|
)
|
|
|
|
// MariaDB implements Database interface for MariaDB
|
|
// MariaDB is MySQL-compatible, so we reuse the MySQL driver
|
|
type MariaDB struct {
|
|
conn *sql.DB
|
|
pingTimeout time.Duration
|
|
}
|
|
|
|
func (m *MariaDB) getDSN(config connection.ConnectionConfig) (string, error) {
|
|
database := config.Database
|
|
protocol := "tcp"
|
|
address := fmt.Sprintf("%s:%d", config.Host, config.Port)
|
|
|
|
if config.UseSSH {
|
|
netName, err := ssh.RegisterSSHNetwork(config.SSH)
|
|
if err != nil {
|
|
return "", fmt.Errorf("创建 SSH 隧道失败：%w", err)
|
|
}
|
|
protocol = netName
|
|
}
|
|
|
|
timeout := getConnectTimeoutSeconds(config)
|
|
tlsMode := resolveMySQLTLSMode(config)
|
|
|
|
return fmt.Sprintf(
|
|
"%s:%s@%s(%s)/%s?charset=utf8mb4&parseTime=True&loc=Local&timeout=%ds&tls=%s&multiStatements=true",
|
|
config.User, config.Password, protocol, address, database, timeout, url.QueryEscape(tlsMode),
|
|
), nil
|
|
}
|
|
|
|
func (m *MariaDB) Connect(config connection.ConnectionConfig) error {
|
|
dsn, err := m.getDSN(config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
db, err := sql.Open("mysql", dsn)
|
|
if err != nil {
|
|
return fmt.Errorf("打开数据库连接失败：%w", err)
|
|
}
|
|
m.conn = db
|
|
m.pingTimeout = getConnectTimeout(config)
|
|
|
|
if err := m.Ping(); err != nil {
|
|
return fmt.Errorf("连接建立后验证失败：%w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *MariaDB) Close() error {
|
|
if m.conn != nil {
|
|
return m.conn.Close()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *MariaDB) Ping() error {
|
|
if m.conn == nil {
|
|
return fmt.Errorf("连接未打开")
|
|
}
|
|
timeout := m.pingTimeout
|
|
if timeout <= 0 {
|
|
timeout = 5 * time.Second
|
|
}
|
|
ctx, cancel := utils.ContextWithTimeout(timeout)
|
|
defer cancel()
|
|
return m.conn.PingContext(ctx)
|
|
}
|
|
|
|
func (m *MariaDB) QueryMulti(query string) ([]connection.ResultSetData, error) {
|
|
if m.conn == nil {
|
|
return nil, fmt.Errorf("连接未打开")
|
|
}
|
|
rows, err := m.conn.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
return scanMultiRows(rows)
|
|
}
|
|
|
|
func (m *MariaDB) QueryMultiContext(ctx context.Context, query string) ([]connection.ResultSetData, error) {
|
|
if m.conn == nil {
|
|
return nil, fmt.Errorf("连接未打开")
|
|
}
|
|
rows, err := m.conn.QueryContext(ctx, query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
return scanMultiRows(rows)
|
|
}
|
|
|
|
func (m *MariaDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
|
|
if m.conn == nil {
|
|
return nil, nil, fmt.Errorf("连接未打开")
|
|
}
|
|
|
|
rows, err := m.conn.QueryContext(ctx, query)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
return scanRows(rows)
|
|
}
|
|
|
|
func (m *MariaDB) Query(query string) ([]map[string]interface{}, []string, error) {
|
|
if m.conn == nil {
|
|
return nil, nil, fmt.Errorf("连接未打开")
|
|
}
|
|
|
|
rows, err := m.conn.Query(query)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
defer rows.Close()
|
|
return scanRows(rows)
|
|
}
|
|
|
|
func (m *MariaDB) ExecContext(ctx context.Context, query string) (int64, error) {
|
|
if m.conn == nil {
|
|
return 0, fmt.Errorf("连接未打开")
|
|
}
|
|
res, err := m.conn.ExecContext(ctx, query)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
func (m *MariaDB) Exec(query string) (int64, error) {
|
|
if m.conn == nil {
|
|
return 0, fmt.Errorf("连接未打开")
|
|
}
|
|
res, err := m.conn.Exec(query)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
func (m *MariaDB) GetDatabases() ([]string, error) {
|
|
data, _, err := m.Query("SHOW DATABASES")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var dbs []string
|
|
for _, row := range data {
|
|
if val, ok := row["Database"]; ok {
|
|
dbs = append(dbs, fmt.Sprintf("%v", val))
|
|
} else if val, ok := row["database"]; ok {
|
|
dbs = append(dbs, fmt.Sprintf("%v", val))
|
|
}
|
|
}
|
|
return dbs, nil
|
|
}
|
|
|
|
func (m *MariaDB) GetTables(dbName string) ([]string, error) {
|
|
query := "SHOW TABLES"
|
|
if dbName != "" {
|
|
query = fmt.Sprintf("SHOW TABLES FROM `%s`", dbName)
|
|
}
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var tables []string
|
|
for _, row := range data {
|
|
for _, v := range row {
|
|
tables = append(tables, fmt.Sprintf("%v", v))
|
|
break
|
|
}
|
|
}
|
|
return tables, nil
|
|
}
|
|
|
|
func (m *MariaDB) GetCreateStatement(dbName, tableName string) (string, error) {
|
|
query := fmt.Sprintf("SHOW CREATE TABLE `%s`.`%s`", dbName, tableName)
|
|
if dbName == "" {
|
|
query = fmt.Sprintf("SHOW CREATE TABLE `%s`", tableName)
|
|
}
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if len(data) > 0 {
|
|
if val, ok := data[0]["Create Table"]; ok {
|
|
return fmt.Sprintf("%v", val), nil
|
|
}
|
|
}
|
|
return "", fmt.Errorf("未找到建表语句")
|
|
}
|
|
|
|
func (m *MariaDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
|
|
query := fmt.Sprintf("SHOW FULL COLUMNS FROM `%s`.`%s`", dbName, tableName)
|
|
if dbName == "" {
|
|
query = fmt.Sprintf("SHOW FULL COLUMNS FROM `%s`", tableName)
|
|
}
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var columns []connection.ColumnDefinition
|
|
for _, row := range data {
|
|
col := connection.ColumnDefinition{
|
|
Name: fmt.Sprintf("%v", row["Field"]),
|
|
Type: fmt.Sprintf("%v", row["Type"]),
|
|
Nullable: fmt.Sprintf("%v", row["Null"]),
|
|
Key: fmt.Sprintf("%v", row["Key"]),
|
|
Extra: fmt.Sprintf("%v", row["Extra"]),
|
|
Comment: fmt.Sprintf("%v", row["Comment"]),
|
|
}
|
|
|
|
if row["Default"] != nil {
|
|
d := fmt.Sprintf("%v", row["Default"])
|
|
col.Default = &d
|
|
}
|
|
|
|
columns = append(columns, col)
|
|
}
|
|
return columns, nil
|
|
}
|
|
|
|
func (m *MariaDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
|
|
query := fmt.Sprintf("SHOW INDEX FROM `%s`.`%s`", dbName, tableName)
|
|
if dbName == "" {
|
|
query = fmt.Sprintf("SHOW INDEX FROM `%s`", tableName)
|
|
}
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var indexes []connection.IndexDefinition
|
|
for _, row := range data {
|
|
nonUnique := 0
|
|
if val, ok := row["Non_unique"]; ok {
|
|
if f, ok := val.(float64); ok {
|
|
nonUnique = int(f)
|
|
} else if i, ok := val.(int64); ok {
|
|
nonUnique = int(i)
|
|
}
|
|
}
|
|
|
|
seq := 0
|
|
if val, ok := row["Seq_in_index"]; ok {
|
|
if f, ok := val.(float64); ok {
|
|
seq = int(f)
|
|
} else if i, ok := val.(int64); ok {
|
|
seq = int(i)
|
|
}
|
|
}
|
|
|
|
subPart := 0
|
|
if val, ok := row["Sub_part"]; ok && val != nil {
|
|
if f, ok := val.(float64); ok {
|
|
subPart = int(f)
|
|
} else if i, ok := val.(int64); ok {
|
|
subPart = int(i)
|
|
}
|
|
}
|
|
|
|
idx := connection.IndexDefinition{
|
|
Name: fmt.Sprintf("%v", row["Key_name"]),
|
|
ColumnName: fmt.Sprintf("%v", row["Column_name"]),
|
|
NonUnique: nonUnique,
|
|
SeqInIndex: seq,
|
|
IndexType: fmt.Sprintf("%v", row["Index_type"]),
|
|
SubPart: subPart,
|
|
}
|
|
indexes = append(indexes, idx)
|
|
}
|
|
return indexes, nil
|
|
}
|
|
|
|
func (m *MariaDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
|
|
query := fmt.Sprintf(`SELECT CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME
|
|
FROM information_schema.KEY_COLUMN_USAGE
|
|
WHERE TABLE_SCHEMA = '%s' AND TABLE_NAME = '%s' AND REFERENCED_TABLE_NAME IS NOT NULL`, dbName, tableName)
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var fks []connection.ForeignKeyDefinition
|
|
for _, row := range data {
|
|
fk := connection.ForeignKeyDefinition{
|
|
Name: fmt.Sprintf("%v", row["CONSTRAINT_NAME"]),
|
|
ColumnName: fmt.Sprintf("%v", row["COLUMN_NAME"]),
|
|
RefTableName: fmt.Sprintf("%v", row["REFERENCED_TABLE_NAME"]),
|
|
RefColumnName: fmt.Sprintf("%v", row["REFERENCED_COLUMN_NAME"]),
|
|
ConstraintName: fmt.Sprintf("%v", row["CONSTRAINT_NAME"]),
|
|
}
|
|
fks = append(fks, fk)
|
|
}
|
|
return fks, nil
|
|
}
|
|
|
|
func (m *MariaDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
|
|
query := fmt.Sprintf("SHOW TRIGGERS FROM `%s` WHERE `Table` = '%s'", dbName, tableName)
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var triggers []connection.TriggerDefinition
|
|
for _, row := range data {
|
|
trig := connection.TriggerDefinition{
|
|
Name: fmt.Sprintf("%v", row["Trigger"]),
|
|
Timing: fmt.Sprintf("%v", row["Timing"]),
|
|
Event: fmt.Sprintf("%v", row["Event"]),
|
|
Statement: fmt.Sprintf("%v", row["Statement"]),
|
|
}
|
|
triggers = append(triggers, trig)
|
|
}
|
|
return triggers, nil
|
|
}
|
|
|
|
func (m *MariaDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
|
|
if m.conn == nil {
|
|
return fmt.Errorf("连接未打开")
|
|
}
|
|
|
|
tx, err := m.conn.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
// 1. Deletes
|
|
for _, pk := range changes.Deletes {
|
|
var wheres []string
|
|
var args []interface{}
|
|
for k, v := range pk {
|
|
wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
|
|
args = append(args, normalizeMySQLComplexValue(normalizeMySQLDateTimeValue(v)))
|
|
}
|
|
if len(wheres) == 0 {
|
|
continue
|
|
}
|
|
query := fmt.Sprintf("DELETE FROM `%s` WHERE %s", tableName, strings.Join(wheres, " AND "))
|
|
if _, err := tx.Exec(query, args...); err != nil {
|
|
return fmt.Errorf("删除失败：%v", err)
|
|
}
|
|
}
|
|
|
|
// 2. Updates
|
|
for _, update := range changes.Updates {
|
|
var sets []string
|
|
var args []interface{}
|
|
|
|
for k, v := range update.Values {
|
|
sets = append(sets, fmt.Sprintf("`%s` = ?", k))
|
|
args = append(args, normalizeMySQLComplexValue(normalizeMySQLDateTimeValue(v)))
|
|
}
|
|
|
|
if len(sets) == 0 {
|
|
continue
|
|
}
|
|
|
|
var wheres []string
|
|
for k, v := range update.Keys {
|
|
wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
|
|
args = append(args, normalizeMySQLComplexValue(normalizeMySQLDateTimeValue(v)))
|
|
}
|
|
|
|
if len(wheres) == 0 {
|
|
return fmt.Errorf("更新操作需要主键条件")
|
|
}
|
|
|
|
query := fmt.Sprintf("UPDATE `%s` SET %s WHERE %s", tableName, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
|
|
if _, err := tx.Exec(query, args...); err != nil {
|
|
return fmt.Errorf("更新失败：%v", err)
|
|
}
|
|
}
|
|
|
|
// 3. Inserts
|
|
for _, row := range changes.Inserts {
|
|
var cols []string
|
|
var placeholders []string
|
|
var args []interface{}
|
|
|
|
for k, v := range row {
|
|
cols = append(cols, fmt.Sprintf("`%s`", k))
|
|
placeholders = append(placeholders, "?")
|
|
args = append(args, normalizeMySQLComplexValue(normalizeMySQLDateTimeValue(v)))
|
|
}
|
|
|
|
if len(cols) == 0 {
|
|
continue
|
|
}
|
|
|
|
query := fmt.Sprintf("INSERT INTO `%s` (%s) VALUES (%s)", tableName, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
|
|
if _, err := tx.Exec(query, args...); err != nil {
|
|
return fmt.Errorf("插入失败：%v", err)
|
|
}
|
|
}
|
|
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (m *MariaDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
|
|
query := fmt.Sprintf("SELECT TABLE_NAME, COLUMN_NAME, COLUMN_TYPE FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = '%s'", dbName)
|
|
if dbName == "" {
|
|
return nil, fmt.Errorf("获取全部列信息需要指定数据库名称")
|
|
}
|
|
|
|
data, _, err := m.Query(query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var cols []connection.ColumnDefinitionWithTable
|
|
for _, row := range data {
|
|
col := connection.ColumnDefinitionWithTable{
|
|
TableName: fmt.Sprintf("%v", row["TABLE_NAME"]),
|
|
Name: fmt.Sprintf("%v", row["COLUMN_NAME"]),
|
|
Type: fmt.Sprintf("%v", row["COLUMN_TYPE"]),
|
|
}
|
|
cols = append(cols, col)
|
|
}
|
|
return cols, nil
|
|
}
|