From a97c7cb58cba34c7ec86b5b243ecceea4331c12f Mon Sep 17 00:00:00 2001
From: "guoshun.du" <guoshun.du@xquant.com>
Date: Tue, 15 Aug 2023 16:14:15 +0800
Subject: [PATCH] =?UTF-8?q?*OceanBaseForOracle=EF=BC=8C=E5=8F=82=E6=95=B0?=
 =?UTF-8?q?=E5=8C=96Bug=E4=BF=AE=E5=A4=8D?=
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---
 .../OceanBase/OceanBaseForOracleProvider.cs          | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
index 656a2b368..ec38e029f 100644
--- a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
@@ -12,6 +12,7 @@ namespace SqlSugar.OceanBaseForOracle
 {
     public class OceanBaseForOracleProvider : AdoProvider
     {
+        public override string SqlParameterKeyWord { get { return ":"; } }
         public OceanBaseForOracleProvider() { }
         public override IDbConnection Connection
         {
@@ -201,12 +202,19 @@ namespace SqlSugar.OceanBaseForOracle
             List<SugarParameter> orderParameters = new List<SugarParameter>();
             if (parameters.HasValue())
             {
+                foreach (var p in parameters)
+                {
+                    if (!p.ParameterName.StartsWith(this.SqlParameterKeyWord))
+                    {
+                        p.ParameterName = this.SqlParameterKeyWord + p.ParameterName;
+                    }
+                }
                 //由于Odbc参数都为?，用顺序进行匹配，则进行参数排序
                 string reg = string.Join('|', parameters.Select(m => m.ParameterName));
                 //通过正则匹配，为顺序输出，相同也会重复匹配
                 Regex parametersRegx = new Regex(reg);
                 MatchCollection matches = parametersRegx.Matches(sql);
-                foreach (Match pMatch in matches) 
+                foreach (Match pMatch in matches)
                 {
                     SugarParameter mP = parameters.FirstOrDefault(m => m.ParameterName == pMatch.Value);
                     if (mP != null)
@@ -226,7 +234,7 @@ namespace SqlSugar.OceanBaseForOracle
             {
                 sqlCommand.Transaction = (OdbcTransaction)this.Transaction;
             }
-            if (parameters.HasValue())
+            if (orderParameters.HasValue())
             {
                 OdbcParameter[] ipars = GetSqlParameter(orderParameters.ToArray());
                 sqlCommand.Parameters.AddRange(ipars);