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!55 OceanbaseForOracle参数排序优化

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Merge pull request !55 from 杜子腾/master
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阿妮亚 2024-05-10 12:17:43 +00:00 committed by Gitee
commit 10f36ba5f6
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1 changed files with 5 additions and 21 deletions
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Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
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@ -209,23 +209,8 @@ namespace SqlSugar.OceanBaseForOracle
p.ParameterName = this.SqlParameterKeyWord + p.ParameterName; 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 orderParameters = parameters.Where(it => sql.Contains(it.ParameterName))
string reg = string.Join('|', parameters.Select(m => m.ParameterName)); .OrderBy(it => new List<int>() {
//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)
{
SugarParameter mP = parameters.FirstOrDefault(m => m.ParameterName == pMatch.Value);
if (mP != null)
{
orderParameters.Add(mP);
}
}
if (orderParameters.Select(it => it.ParameterName).GroupBy(it => it).Where(it => it.Count() > 1).Any())
{
orderParameters = parameters.Where(it => sql.Contains(it.ParameterName))
.OrderBy(it => new List<int>() {
sql.IndexOf(it.ParameterName+")"), sql.IndexOf(it.ParameterName+")"),
sql.IndexOf(it.ParameterName+" "), sql.IndexOf(it.ParameterName+" "),
sql.IndexOf(it.ParameterName+"="), sql.IndexOf(it.ParameterName+"="),
@ -235,13 +220,12 @@ namespace SqlSugar.OceanBaseForOracle
sql.IndexOf(it.ParameterName+","), sql.IndexOf(it.ParameterName+","),
sql.IndexOf(it.ParameterName+"|"), sql.IndexOf(it.ParameterName+"|"),
sql.IndexOf(it.ParameterName+"&"), sql.IndexOf(it.ParameterName+"&"),
}.Where(it=>it!=0).Min()).ToList(); }.Where(it => it != 0).Min()).ToList();
}
foreach (var param in parameters.OrderByDescending(it => it.ParameterName.Length)) foreach (var param in parameters.OrderByDescending(it => it.ParameterName.Length))
{ {
sql = sql.Replace(param.ParameterName, "?"); sql = sql.Replace(param.ParameterName, "?");
} }
} }
OdbcCommand sqlCommand = new OdbcCommand(sql, (OdbcConnection)this.Connection); OdbcCommand sqlCommand = new OdbcCommand(sql, (OdbcConnection)this.Connection);
sqlCommand.CommandType = this.CommandType; sqlCommand.CommandType = this.CommandType;