using FreeSql.Internal; using FreeSql.Internal.Model; using MySql.Data.MySqlClient; using System; using System.Collections.Generic; using System.Data.Common; using System.Linq; using System.Linq.Expressions; using System.Reflection; using System.Text; namespace FreeSql.MySql { class MySqlUtils : CommonUtils { public MySqlUtils(IFreeSql orm) : base(orm) { } public override DbParameter AppendParamter(List _params, string parameterName, Type type, object value) { if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}"; var ret = new MySqlParameter { ParameterName = QuoteParamterName(parameterName), 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; } _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 QuoteSqlName(string name) { var nametrim = name.Trim(); if (nametrim.StartsWith("(") && nametrim.EndsWith(")")) return nametrim; //原生SQL return $"`{nametrim.Trim('`').Replace(".", "`.`")}`"; } 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 QuoteParamterName(string name) => $"?{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : 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 QuoteWriteParamter(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; } public override string QuoteReadColumn(Type type, string columnName) { switch (type.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, Type type, object value) { if (value == null) return "NULL"; if (type == typeof(byte[])) { var bytes = value as byte[]; var sb = new StringBuilder().Append("0x"); foreach (var vc in bytes) { if (vc < 10) sb.Append("0"); sb.Append(vc.ToString("X")); } return sb.ToString(); //val = Encoding.UTF8.GetString(val as byte[]); } else 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); } } }