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Field possible database changes

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The current format of the database is good for small amounts of data. The truth is that the hashes and sizes of the files are what really determine if a file is different or not. After chatting with Obiwantje about this, I'm beginning some code tests with a hash-centric database model, instead of the game/rom centric. This means that each hash can have mutliple roms attached to it, similarly a given game can have multiple sources or systems attached. It's a much cleaner system, but demands a total rewrite and new databae structure.
This commit is contained in:
Matt Nadareski
2016-04-21 23:46:14 -07:00
parent e0b0071847
commit dbbf297263
2 changed files with 153 additions and 0 deletions
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59
SabreHelper/DBTools.cs
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@@ -106,6 +106,65 @@ CREATE TABLE IF NOT EXISTS data (
SqliteCommand slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
}
else if (type == "SabreTools")
{
string query = @"
CREATE TABLE IF NOT EXISTS hash (
'id' INTEGER PRIMARY KEY NOT NULL,
'size' INTEGER NOT NULL DEFAULT -1,
'crc' TEXT NOT NULL,
'md5' TEXT NOT NULL,
'sha1' TEXT NOT NULL
)";
SqliteCommand slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
query = @"
CREATE TABLE IF NOT EXISTS hashdata (
'hashid' INTEGER NOT NULL,
'key' TEXT NOT NULL,
'value' TEXT,
PRIMARY KEY (hashid, key, value)
)";
slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
query = @"
CREATE TABLE IF NOT EXISTS source (
'id' INTEGER PRIMARY KEY NOT NULL,
'name' TEXT NOT NULL UNIQUE,
'url' TEXT NOT NULL
)";
slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
query = @"
CREATE TABLE IF NOT EXISTS system (
'id' INTEGER PRIMARY KEY NOT NULL,
'manufacturer' TEXT NOT NULL,
'name' TEXT NOT NULL
)";
slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
query = @"
CREATE TABLE IF NOT EXISTS gamesystem (
'game' TEXT NOT NULL,
'systemid' INTEGER NOT NULL,
PRIMARY KEY (game, systemid)
)";
slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
query = @"
CREATE TABLE IF NOT EXISTS gamesource (
'game' TEXT NOT NULL,
'sourceid' INTEGER NOT NULL,
PRIMARY KEY (game, sourceid)
)";
slc = new SqliteCommand(query, dbc);
slc.ExecuteNonQuery();
}
}
catch (Exception ex)
{