- 增加 FreeSql.Provider.Firebird 数据库实现 #443；

2025-11-04 09:15:27 +08:00 · 2020-09-12 05:46:53 +08:00
parent 020eddb315
commit 951e917015
55 changed files with 12407 additions and 211 deletions
--- a/Providers/FreeSql.Provider.Firebird/FirebirdUtils.cs
+++ b/Providers/FreeSql.Provider.Firebird/FirebirdUtils.cs
@@ -0,0 +1,98 @@
+using FirebirdSql.Data.FirebirdClient;
+using FreeSql.Internal;
+using FreeSql.Internal.Model;
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Globalization;
+
+namespace FreeSql.Firebird
+{
+
+    class FirebirdUtils : CommonUtils
+    {
+        public FirebirdUtils(IFreeSql orm) : base(orm)
+        {
+        }
+
+        public override DbParameter AppendParamter(List<DbParameter> _params, string parameterName, ColumnInfo col, Type type, object value)
+        {
+            if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}";
+            var ret = new FbParameter { ParameterName = QuoteParamterName(parameterName), Value = value };
+            var dbtype = (FbDbType)_orm.CodeFirst.GetDbInfo(type)?.type;
+            if (col != null)
+            {
+                var dbtype2 = (FbDbType)_orm.DbFirst.GetDbType(new DatabaseModel.DbColumnInfo { DbTypeText = col.DbTypeText, DbTypeTextFull = col.Attribute.DbType, MaxLength = col.DbSize });
+                switch (dbtype2)
+                {
+                    case FbDbType.Binary:
+                        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;
+                }
+            }
+            ret.FbDbType = dbtype;
+            _params?.Add(ret);
+            return ret;
+        }
+
+        public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
+            Utils.GetDbParamtersByObject<DbParameter>(sql, obj, "@", (name, type, value) =>
+            {
+                var ret = new FbParameter { ParameterName = $"@{name}", Value = value };
+                var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
+                if (tp != null) ret.FbDbType = (FbDbType)tp.Value;
+                return ret;
+            });
+
+        public override string FormatSql(string sql, params object[] args) => sql?.FormatFirebird(args);
+        public override string QuoteSqlName(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, '"', '"', 1);
+        public override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
+        public override string IsNull(string sql, object value) => $"coalesce({sql}, {value})";
+        public override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";
+        public override string Mod(string left, string right, Type leftType, Type rightType) => $"mod({left},{right})";
+        public override string Div(string left, string right, Type leftType, Type rightType) => $"trunc({left}/{right})";
+        public override string Now => "current_timestamp";
+        public override string NowUtc => "current_timestamp";
+
+        public override string QuoteWriteParamter(Type type, string paramterName) => paramterName;
+        public override string QuoteReadColumn(Type type, Type mapType, string columnName) => columnName;
+
+        public override string GetNoneParamaterSqlValue(List<DbParameter> specialParams, string specialParamFlag, Type type, object value)
+        {
+            if (value == null) return "NULL";
+            if (type.IsNumberType()) return string.Format(CultureInfo.InvariantCulture, "{0}", value);
+            if (type == typeof(byte[])) return $"x'{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);
+        }
+    }
+}