using FreeSql.Internal; using FreeSql.Internal.Model; #if MySqlConnector using MySqlConnector; #else using MySql.Data.MySqlClient; #endif using System; using System.Collections.Generic; using System.Data.Common; using System.Globalization; namespace FreeSql.MySql { class MySqlUtils : CommonUtils { public MySqlUtils(IFreeSql orm) : base(orm) { } public override DbParameter AppendParamter(List _params, string parameterName, ColumnInfo col, Type type, object value) { if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}"; var ret = new MySqlParameter { ParameterName = QuoteParamterName(parameterName), Value = value }; var dbtype = (MySqlDbType?)_orm.CodeFirst.GetDbInfo(type)?.type; if (col != null) { var dbtype2 = (MySqlDbType)_orm.DbFirst.GetDbType(new DatabaseModel.DbColumnInfo { DbTypeText = col.DbTypeText, DbTypeTextFull = col.Attribute.DbType, MaxLength = col.DbSize }); switch (dbtype2) { case MySqlDbType.Binary: case MySqlDbType.VarBinary: break; default: dbtype = dbtype2; //if (col.DbSize != 0) ret.Size = col.DbSize; if (col.DbPrecision != 0) ret.Precision = col.DbPrecision; if (col.DbScale != 0) ret.Scale = col.DbScale; break; } } if (dbtype == MySqlDbType.Geometry) { ret.MySqlDbType = MySqlDbType.Text; if (value != null) ret.Value = (value as MygisGeometry).AsText(); } else { if (dbtype != null) ret.MySqlDbType = dbtype.Value; } _params?.Add(ret); return ret; } public override DbParameter[] GetDbParamtersByObject(string sql, object obj) => Utils.GetDbParamtersByObject(sql, obj, "?", (name, type, value) => { var ret = new MySqlParameter { ParameterName = $"?{name}", Value = value }; var tp = _orm.CodeFirst.GetDbInfo(type)?.type; if (tp != null) { if ((MySqlDbType)tp.Value == MySqlDbType.Geometry) { ret.MySqlDbType = MySqlDbType.Text; if (value != null) ret.Value = (value as MygisGeometry).AsText(); } else ret.MySqlDbType = (MySqlDbType)tp.Value; } return ret; }); public override string FormatSql(string sql, params object[] args) => sql?.FormatMySql(args); public override string QuoteSqlNameAdapter(params string[] name) { if (name.Length == 1) { var nametrim = name[0].Trim(); if (nametrim.StartsWith("(") && nametrim.EndsWith(")")) return nametrim; //原生SQL if (nametrim.StartsWith("`") && nametrim.EndsWith("`")) return nametrim; return $"`{nametrim.Replace(".", "`.`")}`"; } return $"`{string.Join("`.`", name)}`"; } public override string TrimQuoteSqlName(string name) { var nametrim = name.Trim(); if (nametrim.StartsWith("(") && nametrim.EndsWith(")")) return nametrim; //原生SQL return $"{nametrim.Trim('`').Replace("`.`", ".").Replace(".`", ".")}"; } public override string[] SplitTableName(string name) => GetSplitTableNames(name, '`', '`', 2); public override string QuoteParamterName(string name) => $"?{name}"; public override string IsNull(string sql, object value) => $"ifnull({sql}, {value})"; public override string StringConcat(string[] objs, Type[] types) => $"concat({string.Join(", ", objs)})"; public override string Mod(string left, string right, Type leftType, Type rightType) => $"{left} % {right}"; public override string Div(string left, string right, Type leftType, Type rightType) => $"{left} div {right}"; public override string Now => "now()"; public override string NowUtc => "current_timestamp()"; public override string QuoteWriteParamterAdapter(Type type, string paramterName) { switch (type.FullName) { case "MygisPoint": case "MygisLineString": case "MygisPolygon": case "MygisMultiPoint": case "MygisMultiLineString": case "MygisMultiPolygon": return $"ST_GeomFromText({paramterName})"; } return paramterName; } protected override string QuoteReadColumnAdapter(Type type, Type mapType, string columnName) { switch (mapType.FullName) { case "MygisPoint": case "MygisLineString": case "MygisPolygon": case "MygisMultiPoint": case "MygisMultiLineString": case "MygisMultiPolygon": return $"ST_AsText({columnName})"; } return columnName; } public override string GetNoneParamaterSqlValue(List specialParams, string specialParamFlag, ColumnInfo col, Type type, object value) { if (value == null) return "NULL"; if (type.IsNumberType()) return string.Format(CultureInfo.InvariantCulture, "{0}", value); if (type == typeof(byte[])) return $"0x{CommonUtils.BytesSqlRaw(value as byte[])}"; if (type == typeof(TimeSpan) || type == typeof(TimeSpan?)) { var ts = (TimeSpan)value; value = $"{Math.Floor(ts.TotalHours)}:{ts.Minutes}:{ts.Seconds}"; } return FormatSql("{0}", value, 1); } } }