## v0.9.18

- 增加 PostgreSQL 的 Odbc 访问提供，相比 FreeSql.Provider.PostgreSQL 支持的类型更少； - 增加通用的 Odbc 访问提供，不能迁移实体到数据库，不能 Skip 这样来分页，理论上能 crud 所有 odbc 数据库；
2025-06-18 20:08:15 +08:00 · 2019-09-21 00:48:34 +08:00
parent 90458cca38
commit dcf1da36d4
97 changed files with 18833 additions and 154 deletions
--- a/Providers/FreeSql.Provider.Odbc/Default/Curd/OdbcUpdate.cs
+++ b/Providers/FreeSql.Provider.Odbc/Default/Curd/OdbcUpdate.cs
@ -0,0 +1,64 @@
+using FreeSql.Internal;
+using FreeSql.Internal.Model;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FreeSql.Odbc.Default
+{
+
+    class OdbcUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1> where T1 : class
+    {
+        OdbcUtils _utils;
+        public OdbcUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
+            : base(orm, commonUtils, commonExpression, dywhere)
+        {
+            _utils = _commonUtils as OdbcUtils;
+        }
+
+        public override int ExecuteAffrows() => base.SplitExecuteAffrows(_utils.Adapter.InsertBatchSplitLimit, 255);
+        public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(_utils.Adapter.InsertBatchSplitLimit, 255);
+        public override List<T1> ExecuteUpdated() => base.SplitExecuteUpdated(_utils.Adapter.InsertBatchSplitLimit, 255);
+        public override Task<List<T1>> ExecuteUpdatedAsync() => base.SplitExecuteUpdatedAsync(_utils.Adapter.InsertBatchSplitLimit, 255);
+
+        protected override List<T1> RawExecuteUpdated() => throw new NotImplementedException("FreeSql.Odbc.Default 未实现该功能");
+        protected override Task<List<T1>> RawExecuteUpdatedAsync() => throw new NotImplementedException("FreeSql.Odbc.Default 未实现该功能");
+
+        protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
+        {
+            if (_table.Primarys.Length == 1)
+            {
+                caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+                return;
+            }
+            caseWhen.Append("(");
+            var pkidx = 0;
+            foreach (var pk in _table.Primarys)
+            {
+                if (pkidx > 0) caseWhen.Append(", ");
+                caseWhen.Append(_utils.Adapter.CastSql(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)), _utils.Adapter.MappingOdbcTypeVarChar));
+                ++pkidx;
+            }
+            caseWhen.Append(")");
+        }
+
+        protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
+        {
+            if (_table.Primarys.Length == 1)
+            {
+                sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
+                return;
+            }
+            var pkidx = 0;
+            foreach (var pk in _table.Primarys)
+            {
+                if (pkidx > 0) sb.Append(", ");
+                sb.Append(_utils.Adapter.CastSql(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)), _utils.Adapter.MappingOdbcTypeVarChar));
+                ++pkidx;
+            }
+        }
+    }
+}