## 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/PostgreSQL/Curd/OdbcPostgreSQLDelete.cs
+++ b/Providers/FreeSql.Provider.Odbc/PostgreSQL/Curd/OdbcPostgreSQLDelete.cs
@ -0,0 +1,95 @@
+using FreeSql.Internal;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FreeSql.Odbc.PostgreSQL
+{
+
+    class OdbcPostgreSQLDelete<T1> : Internal.CommonProvider.DeleteProvider<T1> where T1 : class
+    {
+        public OdbcPostgreSQLDelete(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
+            : base(orm, commonUtils, commonExpression, dywhere)
+        {
+        }
+
+        public override List<T1> ExecuteDeleted()
+        {
+            var sql = this.ToSql();
+            if (string.IsNullOrEmpty(sql)) return new List<T1>();
+
+            var sb = new StringBuilder();
+            sb.Append(sql).Append(" RETURNING ");
+
+            var colidx = 0;
+            foreach (var col in _table.Columns.Values)
+            {
+                if (colidx > 0) sb.Append(", ");
+                sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+                ++colidx;
+            }
+            sql = sb.ToString();
+            var dbParms = _params.ToArray();
+            var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
+            _orm.Aop.CurdBefore?.Invoke(this, before);
+            var ret = new List<T1>();
+            Exception exception = null;
+            try
+            {
+                ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
+            }
+            catch (Exception ex)
+            {
+                exception = ex;
+                throw ex;
+            }
+            finally
+            {
+                var after = new Aop.CurdAfterEventArgs(before, exception, ret);
+                _orm.Aop.CurdAfter?.Invoke(this, after);
+            }
+            this.ClearData();
+            return ret;
+        }
+        async public override Task<List<T1>> ExecuteDeletedAsync()
+        {
+            var sql = this.ToSql();
+            if (string.IsNullOrEmpty(sql)) return new List<T1>();
+
+            var sb = new StringBuilder();
+            sb.Append(sql).Append(" RETURNING ");
+
+            var colidx = 0;
+            foreach (var col in _table.Columns.Values)
+            {
+                if (colidx > 0) sb.Append(", ");
+                sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+                ++colidx;
+            }
+            sql = sb.ToString();
+            var dbParms = _params.ToArray();
+            var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
+            _orm.Aop.CurdBefore?.Invoke(this, before);
+            var ret = new List<T1>();
+            Exception exception = null;
+            try
+            {
+                ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
+            }
+            catch (Exception ex)
+            {
+                exception = ex;
+                throw ex;
+            }
+            finally
+            {
+                var after = new Aop.CurdAfterEventArgs(before, exception, ret);
+                _orm.Aop.CurdAfter?.Invoke(this, after);
+            }
+            this.ClearData();
+            return ret;
+        }
+    }
+}