89 lines
3.5 KiB
C#
89 lines
3.5 KiB
C#
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using MySql.Data.MySqlClient;
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using SharpChat.Configuration;
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using System.Collections.Generic;
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using System.Text;
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namespace SharpChat.Database.MariaDB {
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[DatabaseBackend(@"mariadb")]
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public class MariaDBDatabaseBackend : IDatabaseBackend {
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private string DSN { get; }
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private const string DEFAULT_CHARSET = @"utf8mb4";
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public MariaDBDatabaseBackend(IConfig config) : this(
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config.ReadValue(@"host", string.Empty),
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config.ReadValue(@"user", string.Empty),
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config.ReadValue(@"pass", string.Empty),
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config.ReadValue(@"db", string.Empty),
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config.ReadValue(@"charset", DEFAULT_CHARSET)
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) {}
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public MariaDBDatabaseBackend(string host, string username, string password, string database, string charset = DEFAULT_CHARSET) {
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DSN = new MySqlConnectionStringBuilder {
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Server = host,
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UserID = username,
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Password = password,
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Database = database,
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IgnorePrepare = false,
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OldGuids = false,
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TreatTinyAsBoolean = false,
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CharacterSet = charset,
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TreatBlobsAsUTF8 = false,
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}.ToString();
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}
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public IDatabaseConnection CreateConnection()
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=> new MariaDBDatabaseConnection(DSN);
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public IDatabaseParameter CreateParameter(string name, object value)
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=> new MariaDBDatabaseParameter(name, value);
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public IDatabaseParameter CreateParameter(string name, DatabaseType type)
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=> new MariaDBDatabaseParameter(name, type);
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public string TimestampType
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=> @"TIMESTAMP";
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public string TextType
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=> @"TEXT";
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public string BlobType
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=> @"BLOB";
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public string VarCharType(int size)
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=> string.Format(@"VARCHAR({0})", size);
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public string VarBinaryType(int size)
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=> string.Format(@"VARBINARY({0})", size);
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public string BigIntType(int length)
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=> string.Format(@"BIGINT({0})", length);
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public string BigUIntType(int length)
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=> string.Format(@"BIGINT({0}) UNSIGNED", length);
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public string IntType(int length)
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=> string.Format(@"INT({0})", length);
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public string UIntType(int length)
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=> string.Format(@"INT({0}) UNSIGNED", length);
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public string TinyIntType(int length)
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=> string.Format(@"TINYINT({0})", length);
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public string TinyUIntType(int length)
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=> string.Format(@"TINYINT({0}) UNSIGNED", length);
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public string FromUnixTime(string param)
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=> string.Format(@"FROM_UNIXTIME({0})", param);
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public string ToUnixTime(string param)
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=> string.Format(@"UNIX_TIMESTAMP({0})", param);
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public string DateTimeNow()
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=> @"NOW()";
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public bool SupportsJson => true;
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public string JsonValue(string field, string path) // yes this is fucked, no i don't care
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=> string.Format(@"JSON_UNQUOTE(JSON_EXTRACT({0}, '{1}'))", field, path);
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public string Concat(params string[] values)
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=> string.Format(@"CONCAT({0})", string.Join(@", ", values));
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public string ToLower(string param)
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=> string.Format(@"LOWER({0})", param);
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public bool SupportsAlterTableCollate => true;
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public string AsciiCollation => @"'ascii_general_ci'";
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public string UnicodeCollation => @"'utf8mb4_unicode_520_ci'";
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}
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}
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