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synced 2026-09-20 08:03:53 +08:00
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sqlchemy
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import (
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"database/sql"
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"yunion.io/x/log"
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)
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// the global DB connection
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var _db *sql.DB
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// SetDB sets global DB instance
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func SetDB(db *sql.DB) {
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_db = db
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}
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// GetDB get DB instance
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func GetDB() *sql.DB {
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return _db
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}
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// CloseDB close DB connection
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func CloseDB() {
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_db.Close()
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_db = nil
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}
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type tableName struct {
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Name string
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}
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// GetTables get all tables' name in database
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func GetTables() []string {
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tables := make([]tableName, 0)
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q := NewRawQuery("SHOW TABLES", "name")
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err := q.All(&tables)
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if err != nil {
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log.Errorf("show tables fail %s", err)
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return nil
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}
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ret := make([]string, len(tables))
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for i, t := range tables {
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ret[i] = t.Name
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}
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return ret
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}
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// Exec execute a raw SQL query
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func Exec(sql string, args ...interface{}) (sql.Result, error) {
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return _db.Exec(sql, args...)
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}
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