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A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang. (PERSONAL FORK)
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Go
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149// SiYuan - Refactor your thinking// Copyright (c) 2020-present, b3log.org//// This program is free software: you can redistribute it and/or modify// it under the terms of the GNU Affero General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// This program is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the// GNU Affero General Public License for more details.//// You should have received a copy of the GNU Affero General Public License// along with this program. If not, see <https://www.gnu.org/licenses/>.
package sql
import ( "database/sql" "strconv" "strings"
"github.com/88250/vitess-sqlparser/sqlparser" "github.com/siyuan-note/logging")
type Span struct { ID string BlockID string RootID string Box string Path string Content string Markdown string Type string IAL string}
func SelectSpansRawStmt(stmt string, limit int) (ret []*Span) { parsedStmt, err := sqlparser.Parse(stmt) if err != nil { //logging.LogErrorf("select [%s] failed: %s", stmt, err) return } switch parsedStmt.(type) { case *sqlparser.Select: slct := parsedStmt.(*sqlparser.Select) if nil == slct.Limit { slct.Limit = &sqlparser.Limit{ Rowcount: &sqlparser.SQLVal{ Type: sqlparser.IntVal, Val: []byte(strconv.Itoa(limit)), }, } }
stmt = sqlparser.String(slct) default: return }
stmt = strings.ReplaceAll(stmt, "\\'", "''") stmt = strings.ReplaceAll(stmt, "\\\"", "\"") stmt = strings.ReplaceAll(stmt, "\\\\*", "\\*") stmt = strings.ReplaceAll(stmt, "from dual", "") rows, err := query(stmt) if err != nil { if strings.Contains(err.Error(), "syntax error") { return } logging.LogWarnf("sql query [%s] failed: %s", stmt, err) return } defer rows.Close() for rows.Next() { span := scanSpanRows(rows) ret = append(ret, span) } return}
func QueryTagSpansByLabel(label string) (ret []*Span) { stmt := "SELECT * FROM spans WHERE type LIKE '%tag%' AND content LIKE '%" + label + "%' GROUP BY block_id" rows, err := query(stmt) if err != nil { logging.LogErrorf("sql query failed: %s", err) return } defer rows.Close() for rows.Next() { span := scanSpanRows(rows) ret = append(ret, span) } return}
func QueryTagSpansByKeyword(keyword string, limit int) (ret []*Span) { // 标签搜索支持空格分隔关键字 Tag search supports space-separated keywords https://github.com/siyuan-note/siyuan/issues/14580 keywords := strings.Split(keyword, " ") contentLikes := "" for _, k := range keywords { if contentLikes != "" { contentLikes += " AND " } contentLikes += "content LIKE '%" + k + "%'" } stmt := "SELECT * FROM spans WHERE type LIKE '%tag%' AND (" + contentLikes + ") GROUP BY markdown LIMIT " + strconv.Itoa(limit) rows, err := query(stmt) if err != nil { logging.LogErrorf("sql query failed: %s", err) return } defer rows.Close() for rows.Next() { span := scanSpanRows(rows) ret = append(ret, span) } return}
func QueryTagSpans(p string) (ret []*Span) { stmt := "SELECT * FROM spans WHERE type LIKE '%tag%'" if "" != p { stmt += " AND path = '" + p + "'" } rows, err := query(stmt) if err != nil { logging.LogErrorf("sql query failed: %s", err) return } defer rows.Close() for rows.Next() { span := scanSpanRows(rows) ret = append(ret, span) } return}
func scanSpanRows(rows *sql.Rows) (ret *Span) { var span Span if err := rows.Scan(&span.ID, &span.BlockID, &span.RootID, &span.Box, &span.Path, &span.Content, &span.Markdown, &span.Type, &span.IAL); err != nil { logging.LogErrorf("query scan field failed: %s", err) return } ret = &span return}