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- 增加 IInsertOrUpdate 高性能方法 ExecuteOracleBulkCopy/ExecuteDmBulkCopy；

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This commit is contained in:
2881099
2023-03-25 14:50:13 +08:00
parent 07602192a7
commit 09f3f1a20c
7 changed files with 112 additions and 19 deletions
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14
Providers/FreeSql.Provider.SqlServer/SqlServerExtensions.cs
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@ -135,7 +135,6 @@ public static partial class FreeSqlSqlServerGlobalExtensions
if (upsert._source.Any() != true || upsert._tempPrimarys.Any() == false) return 0;
var state = ExecuteSqlBulkCopyState(upsert);
return UpdateProvider.ExecuteBulkUpsert(upsert, state, insert => insert.ExecuteSqlBulkCopy(copyOptions, batchSize, bulkCopyTimeout));
}
static NativeTuple<string, string, string, string, string[]> ExecuteSqlBulkCopyState<T>(InsertOrUpdateProvider<T> upsert) where T : class
{
@ -148,20 +147,13 @@ public static partial class FreeSqlSqlServerGlobalExtensions
if (upsert._orm.CodeFirst.IsSyncStructureToUpper) tempTableName = tempTableName.ToUpper();
if (upsert._connection == null && upsert._orm.Ado.TransactionCurrentThread != null)
upsert.WithTransaction(upsert._orm.Ado.TransactionCurrentThread);
var setColumns = new List<string>();
var pkColumns = new List<string>();
foreach (var col in _table.Columns.Values)
{
if (upsert._tempPrimarys.Any(a => a.CsName == col.CsName)) pkColumns.Add(col.Attribute.Name);
else if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && upsert._updateIgnore.ContainsKey(col.Attribute.Name) == false) setColumns.Add(col.Attribute.Name);
}
var sql1 = $"SELECT {string.Join(", ", pkColumns.Select(a => _commonUtils.QuoteSqlName(a)))}, {string.Join(", ", setColumns.Select(a => _commonUtils.QuoteSqlName(a)))} INTO {tempTableName} FROM {_commonUtils.QuoteSqlName(updateTableName)} WHERE 1=2";
var sql1 = $"SELECT {string.Join(", ", _table.Columns.Values.Select(a => _commonUtils.QuoteSqlName(a.Attribute.Name)))} INTO {tempTableName} FROM {_commonUtils.QuoteSqlName(updateTableName)} WHERE 1=2";
try
{
upsert._sourceSql = $"select * from {tempTableName}";
var sql2 = upsert.ToSql();
var sql3 = $"DROP TABLE {tempTableName}";
return NativeTuple.Create(sql1, sql2, sql3, tempTableName, pkColumns.Concat(setColumns).ToArray());
return NativeTuple.Create(sql1, sql2, sql3, tempTableName, _table.Columns.Values.Select(a => a.Attribute.Name).ToArray());
}
finally
{
@ -195,7 +187,7 @@ public static partial class FreeSqlSqlServerGlobalExtensions
if (update._orm.CodeFirst.IsSyncStructureToLower) tempTableName = tempTableName.ToLower();
if (update._orm.CodeFirst.IsSyncStructureToUpper) tempTableName = tempTableName.ToUpper();
if (update._connection == null && update._orm.Ado.TransactionCurrentThread != null)
update.WithTransaction(update._orm.Ado.TransactionCurrentThread);
update.WithTransaction(update._orm.Ado.TransactionCurrentThread);
var setColumns = new List<string>();
var pkColumns = new List<string>();
foreach (var col in _table.Columns.Values)