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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
44 lines
1.9 KiB
Go
44 lines
1.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build !sqlite_mattn
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// hanzoai/sqlite is the default driver. It registers the "sqlite" database/sql
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// name on import and answers on either build — its own cgo backend when cgo is
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// on, a pure-Go engine when it is not. The optional sqlite_mattn build path
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// remains for CGO builds that need sqlite_unlock_notify.
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package db
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import (
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"strconv"
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// registers the "sqlite" database/sql driver, and builds its DSN.
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"github.com/hanzoai/sqlite"
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)
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func init() {
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// this driver contains huge amount of Golang code, so it is much slower when "-race" check is enabled.
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registerSQLiteConnStrMaker(makeSQLiteConnStrModerncCCGO)
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}
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func makeSQLiteConnStrModerncCCGO(opts SQLiteConnStrOptions) (string, string, error) {
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// TODO: there is a changed behavior from mattn driver:
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// * mattn driver can wait for pretty long time for concurrent accesses (not limited by the busy timeout)
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// * but other drivers will report something like "database is locked (5) (SQLITE_BUSY)" if the timeout is reached
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// Maybe we need to relax the busy timeout to a reasonable long time in the future
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// The driver builds the pragma half. Its two backends spell a pragma
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// differently in a DSN and each ignores the other's spelling silently, and
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// which one is linked turns on cgo — not on the sqlite_mattn tag that selects
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// this file — so either spelling written here is right on one build and
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// evaporates on the other. _txlock is a driver parameter, not a pragma, and
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// both backends read it.
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pragmas := []sqlite.Pragma{{Name: "busy_timeout", Value: strconv.Itoa(opts.BusyTimeout)}}
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if opts.JournalMode != "" {
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pragmas = append(pragmas, sqlite.Pragma{Name: "journal_mode", Value: opts.JournalMode})
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}
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connStr := sqlite.PragmaDSN(opts.FilePath, pragmas) + "&_txlock=immediate"
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return sqlDriverSQLite3, connStr, nil
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}
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