101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
// SiYuan - Build Your Eternal Digital Garden
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// Copyright (c) 2020-present, b3log.org
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package sql
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import (
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"database/sql"
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"strings"
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"github.com/siyuan-note/logging"
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"github.com/siyuan-note/siyuan/kernel/util"
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)
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type Stat struct {
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Key string `json:"key"`
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Val string `json:"value"`
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}
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func getDatabaseVer() (ret string) {
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key := "siyuan_database_ver"
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stmt := "SELECT value FROM stat WHERE `key` = ?"
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row := db.QueryRow(stmt, key)
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if err := row.Scan(&ret); nil != err {
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if !strings.Contains(err.Error(), "no such table") {
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logging.LogErrorf("query database version failed: %s", err)
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}
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}
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return
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}
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func setDatabaseVer() {
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key := "siyuan_database_ver"
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tx, err := BeginTx()
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if nil != err {
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return
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}
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if err = putStat(tx, key, util.DatabaseVer); nil != err {
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RollbackTx(tx)
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return
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}
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CommitTx(tx)
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}
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func ClearBoxHash(tx *sql.Tx) {
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stmt := "DELETE FROM stat WHERE `key` LIKE '%_hash'"
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execStmtTx(tx, stmt)
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}
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func RemoveBoxHash(tx *sql.Tx, box string) {
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key := box + "_hash"
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stmt := "DELETE FROM stat WHERE `key` = '" + key + "'"
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execStmtTx(tx, stmt)
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}
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func PutBoxHash(tx *sql.Tx, box, hash string) {
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key := box + "_hash"
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putStat(tx, key, hash)
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}
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func GetBoxHash(box string) string {
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key := box + "_hash"
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return getStat(key)
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}
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func putStat(tx *sql.Tx, key, value string) (err error) {
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stmt := "DELETE FROM stat WHERE `key` = '" + key + "'"
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if err = execStmtTx(tx, stmt); nil != err {
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return
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}
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stmt = "INSERT INTO stat VALUES ('" + key + "', '" + value + "')"
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err = execStmtTx(tx, stmt)
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return
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}
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func getStat(key string) (ret string) {
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stmt := "SELECT value FROM stat WHERE `key` = '" + key + "'"
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row := queryRow(stmt)
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row.Scan(&ret)
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return
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}
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func CountAllDoc() (ret int) {
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sqlStmt := "SELECT COUNT(*) FROM blocks WHERE type = 'd'"
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row := queryRow(sqlStmt)
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row.Scan(&ret)
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return
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}
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