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Code Issues Releases Wiki Activity

Remove confusing code block from SQLite3 database

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This commit is contained in:
ShadowNinja 2014-06-23 15:27:54 -04:00
parent d9de29fa50
commit 50127510e7
1 changed files with 43 additions and 47 deletions
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90
src/database-sqlite3.cpp
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@ -86,58 +86,54 @@ void Database_SQLite3::verifyDatabase() {
if(m_database)
return;
{
std::string dbp = m_savedir + DIR_DELIM + "map.sqlite";
bool needs_create = false;
int d;
std::string dbp = m_savedir + DIR_DELIM "map.sqlite";
bool needs_create = false;
int d;
/*
Open the database connection
*/
// Open the database connection
createDirs(m_savedir); // ?
createDirs(m_savedir); // ?
if(!fs::PathExists(dbp))
needs_create = true;
if(!fs::PathExists(dbp))
needs_create = true;
d = sqlite3_open_v2(dbp.c_str(), &m_database, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database failed to open: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot open database file");
}
if(needs_create)
createDatabase();
std::string querystr = std::string("PRAGMA synchronous = ")
+ itos(g_settings->getU16("sqlite_synchronous"));
d = sqlite3_exec(m_database, querystr.c_str(), NULL, NULL, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: Database pragma set failed: "
<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot set pragma");
}
d = sqlite3_prepare(m_database, "SELECT `data` FROM `blocks` WHERE `pos`=? LIMIT 1", -1, &m_database_read, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database read statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare read statement");
}
d = sqlite3_prepare(m_database, "REPLACE INTO `blocks` VALUES(?, ?)", -1, &m_database_write, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database write statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare write statement");
}
d = sqlite3_prepare(m_database, "SELECT `pos` FROM `blocks`", -1, &m_database_list, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database list statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare read statement");
}
infostream<<"ServerMap: SQLite3 database opened"<<std::endl;
d = sqlite3_open_v2(dbp.c_str(), &m_database, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database failed to open: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot open database file");
}
if(needs_create)
createDatabase();
std::string querystr = std::string("PRAGMA synchronous = ")
+ itos(g_settings->getU16("sqlite_synchronous"));
d = sqlite3_exec(m_database, querystr.c_str(), NULL, NULL, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: Database pragma set failed: "
<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot set pragma");
}
d = sqlite3_prepare(m_database, "SELECT `data` FROM `blocks` WHERE `pos`=? LIMIT 1", -1, &m_database_read, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database read statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare read statement");
}
d = sqlite3_prepare(m_database, "REPLACE INTO `blocks` VALUES(?, ?)", -1, &m_database_write, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database write statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare write statement");
}
d = sqlite3_prepare(m_database, "SELECT `pos` FROM `blocks`", -1, &m_database_list, NULL);
if(d != SQLITE_OK) {
infostream<<"WARNING: SQLite3 database list statment failed to prepare: "<<sqlite3_errmsg(m_database)<<std::endl;
throw FileNotGoodException("Cannot prepare read statement");
}
infostream<<"ServerMap: SQLite3 database opened"<<std::endl;
}
void Database_SQLite3::saveBlock(MapBlock *block)