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DataCompiler // Post-dump SQLite database.

This commit is contained in:
ShikiSuen 2024-02-18 23:57:57 +08:00
parent a559818111
commit 4184c3c1d2
1 changed files with 20 additions and 2 deletions
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22
DataCompiler/dataCompiler.swift
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@ -194,7 +194,7 @@ func prepareDatabase() -> Bool {
PRIMARY KEY (theChar) PRIMARY KEY (theChar)
) WITHOUT ROWID; ) WITHOUT ROWID;
""" """
guard sqlite3_open(urlSQLite, &ptrSQL) == SQLITE_OK else { return false } guard sqlite3_open(":memory:", &ptrSQL) == SQLITE_OK else { return false }
guard sqlite3_exec(ptrSQL, "PRAGMA synchronous = OFF;", nil, nil, nil) == SQLITE_OK else { return false } guard sqlite3_exec(ptrSQL, "PRAGMA synchronous = OFF;", nil, nil, nil) == SQLITE_OK else { return false }
guard sqlite3_exec(ptrSQL, "PRAGMA journal_mode = OFF;", nil, nil, nil) == SQLITE_OK else { return false } guard sqlite3_exec(ptrSQL, "PRAGMA journal_mode = OFF;", nil, nil, nil) == SQLITE_OK else { return false }
guard sqlMakeTableMACV.runAsSQLExec(dbPointer: &ptrSQL) else { return false } guard sqlMakeTableMACV.runAsSQLExec(dbPointer: &ptrSQL) else { return false }
@ -231,6 +231,20 @@ func prepareDatabase() -> Bool {
return true return true
} }
// MARK: - Dump SQLite3 Memory Database to File.
@discardableResult func dumpSQLDB() -> Bool {
var ptrSQLTarget: OpaquePointer?
defer { sqlite3_close_v2(ptrSQLTarget) }
guard sqlite3_open(urlSQLite, &ptrSQLTarget) == SQLITE_OK else { return false }
let ptrBackupObj = sqlite3_backup_init(ptrSQLTarget, "main", ptrSQL, "main")
if ptrBackupObj != nil {
sqlite3_backup_step(ptrBackupObj, -1)
sqlite3_backup_finish(ptrBackupObj)
}
return sqlite3_errcode(ptrSQLTarget) == SQLITE_OK
}
// MARK: - 載入詞組檔案且輸出陣列 // MARK: - 載入詞組檔案且輸出陣列
func rawDictForPhrases(isCHS: Bool) -> [Unigram] { func rawDictForPhrases(isCHS: Bool) -> [Unigram] {
@ -1114,8 +1128,12 @@ func main() {
assert(committed) assert(committed)
let compressed = "VACUUM;".runAsSQLExec(dbPointer: &ptrSQL) let compressed = "VACUUM;".runAsSQLExec(dbPointer: &ptrSQL)
assert(compressed) assert(compressed)
if !dumpSQLDB() {
NSLog("// SQLite 辭典傾印失敗。")
} else {
NSLog("// 全部 SQLite 辭典檔案建置完畢。")
}
sqlite3_close_v2(ptrSQL) sqlite3_close_v2(ptrSQL)
NSLog("// 全部 SQLite 辭典檔案建置完畢。")
} }
} }