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Oracle BulkcopyUpdate by datatable

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sunkaixuan 2023-04-24 19:45:11 +08:00
parent c8144c0fcb
commit 7d35bbf02a
3 changed files with 67 additions and 12 deletions
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2
Src/Asp.NetCore2/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
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@ -232,7 +232,7 @@ namespace SqlSugar
var isAuto = this.context.CurrentConnectionConfig.IsAutoCloseConnection; var isAuto = this.context.CurrentConnectionConfig.IsAutoCloseConnection;
this.context.CurrentConnectionConfig.IsAutoCloseConnection = false; this.context.CurrentConnectionConfig.IsAutoCloseConnection = false;
dataTable.TableName = this.queryable.SqlBuilder.GetTranslationTableName(tableName); dataTable.TableName = this.queryable.SqlBuilder.GetTranslationTableName(tableName);
DataTable dt = GetCopyWriteDataTable(dataTable); DataTable dt = GetCopyWriteDataTableUpdate(dataTable);
IFastBuilder buider = GetBuider(); IFastBuilder buider = GetBuider();
if (dt.Columns.Count != dataTable.Columns.Count) if (dt.Columns.Count != dataTable.Columns.Count)
{ {

46
Src/Asp.NetCore2/SqlSugar/Abstract/FastestProvider/Private.cs
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@ -212,7 +212,53 @@ namespace SqlSugar
tempDataTable.TableName = dt.TableName; tempDataTable.TableName = dt.TableName;
return tempDataTable; return tempDataTable;
} }
private DataTable GetCopyWriteDataTableUpdate(DataTable dt)
{
var sqlBuilder = this.context.Queryable<object>().SqlBuilder;
var dts = dt.Columns.Cast<DataColumn>().Select(it => sqlBuilder.GetTranslationColumnName(it.ColumnName)).ToList();
DataTable tempDataTable = null;
if (AsName == null)
{
tempDataTable = queryable.Where(it => false).Select(string.Join(",", dts)).ToDataTable();
}
else
{
tempDataTable = queryable.AS(AsName).Where(it => false).Select(string.Join(",", dts)).ToDataTable();
};
List<string> uInt64TypeName = new List<string>();
foreach (DataColumn item in tempDataTable.Columns)
{
if (item.DataType == typeof(UInt64))
{
uInt64TypeName.Add(item.ColumnName);
}
}
var temColumnsList = tempDataTable.Columns.Cast<DataColumn>().Select(it => it.ColumnName.ToLower()).ToList();
var columns = dt.Columns.Cast<DataColumn>().Where(it => temColumnsList.Contains(it.ColumnName.ToLower())).ToList();
foreach (DataRow item in dt.Rows)
{
DataRow dr = tempDataTable.NewRow();
foreach (DataColumn column in columns)
{
dr[column.ColumnName] = item[column.ColumnName];
if (dr[column.ColumnName] == null || dr[column.ColumnName] == DBNull.Value)
{
dr[column.ColumnName] = DBNull.Value;
}
else if (column.DataType == UtilConstants.BoolType && this.context.CurrentConnectionConfig.DbType.IsIn(DbType.MySql, DbType.MySqlConnector))
{
if (Convert.ToBoolean(dr[column.ColumnName]) == false && uInt64TypeName.Any(z => z.EqualCase(column.ColumnName)))
{
dr[column.ColumnName] = DBNull.Value;
}
}
}
tempDataTable.Rows.Add(dr);
}
tempDataTable.TableName = dt.TableName;
return tempDataTable;
}
private void RemoveCache() private void RemoveCache()
{ {

27
Src/Asp.NetCore2/SqlSugar/Realization/Oracle/SqlBuilder/OracleFastBuilder.cs
View File

@ -1,9 +1,7 @@
using Oracle.ManagedDataAccess.Client; using Oracle.ManagedDataAccess.Client;
using System; using System;
using System.Collections.Generic;
using System.Data; using System.Data;
using System.Linq; using System.Linq;
using System.Text;
using System.Threading.Tasks; using System.Threading.Tasks;
namespace SqlSugar namespace SqlSugar
@ -20,18 +18,29 @@ namespace SqlSugar
public override string UpdateSql { get; set; } = "UPDATE (SELECT {4} FROM {2} TM,{3} TE WHERE {1})SET {0}"; public override string UpdateSql { get; set; } = "UPDATE (SELECT {4} FROM {2} TM,{3} TE WHERE {1})SET {0}";
public override async Task CreateTempAsync<T>(DataTable dt) public override async Task CreateTempAsync<T>(DataTable dt)
{ {
var sqlBuilder = this.Context.Queryable<object>().SqlBuilder;
var dts = dt.Columns.Cast<DataColumn>().Select(it => sqlBuilder.GetTranslationColumnName(it.ColumnName)).ToList();
//await Task.FromResult(0); //await Task.FromResult(0);
//throw new Exception("Oracle no support BulkUpdate"); //throw new Exception("Oracle no support BulkUpdate");
var oldTableName = dt.TableName; var oldTableName = dt.TableName;
var columns = this.Context.EntityMaintenance.GetEntityInfo<T>().Columns.Where(it => it.IsPrimarykey).Select(it => it.DbColumnName).ToArray(); var columns = this.Context.EntityMaintenance.GetEntityInfo<T>().Columns.Where(it => it.IsPrimarykey).Select(it => it.DbColumnName).ToList();
dt.TableName = "Temp" + SnowFlakeSingle.instance.getID().ToString(); dt.TableName = "Temp" + SnowFlakeSingle.instance.getID().ToString();
var sql = this.Context.Queryable<T>().AS(oldTableName).Where(it => false).Select("*").ToSql().Key; if (columns.Count() == 0)
await this.Context.Ado.ExecuteCommandAsync($"create table {dt.TableName} as {sql} ");
if (columns != null && columns.Any())
{ {
this.Context.DbMaintenance.AddPrimaryKeys(dt.TableName, columns, "Pk_" + SnowFlakeSingle.instance.getID().ToString()); var pkColumn = sqlBuilder.GetTranslationColumnName("sys_guid_Id");
var pkColumnName = sqlBuilder.GetNoTranslationColumnName( sqlBuilder.GetTranslationColumnName("sys_guid_Id"));
dts.Add("sys_guid() as " + pkColumn);
dt.Columns.Add(pkColumnName,typeof(Guid));
columns.Add(pkColumnName);
foreach (DataRow item in dt.Rows)
{
item[pkColumnName] = Guid.NewGuid();
} }
} }
var sql = this.Context.Queryable<T>().AS(oldTableName).Where(it => false).Select(string.Join(",", dts)).ToSql().Key;
await this.Context.Ado.ExecuteCommandAsync($"create table {dt.TableName} as {sql} ");
this.Context.DbMaintenance.AddPrimaryKeys(dt.TableName, columns.ToArray(), "Pk_" + SnowFlakeSingle.instance.getID().ToString());
}
public override async Task<int> UpdateByTempAsync(string tableName, string tempName, string[] updateColumns, string[] whereColumns) public override async Task<int> UpdateByTempAsync(string tableName, string tempName, string[] updateColumns, string[] whereColumns)
{ {
var sqlBuilder = this.Context.Queryable<object>().SqlBuilder; var sqlBuilder = this.Context.Queryable<object>().SqlBuilder;
@ -39,8 +48,8 @@ namespace SqlSugar
Check.ArgumentNullException(!whereColumns.Any(), "where columns count is 0"); Check.ArgumentNullException(!whereColumns.Any(), "where columns count is 0");
var sets = string.Join(",", updateColumns.Select(it => $"TM{it}=TE{it}")); var sets = string.Join(",", updateColumns.Select(it => $"TM{it}=TE{it}"));
var wheres = string.Join(" AND ", whereColumns.Select(it => $"TM.{sqlBuilder.GetTranslationColumnName(it)}=TE.{sqlBuilder.GetTranslationColumnName(it)}")); var wheres = string.Join(" AND ", whereColumns.Select(it => $"TM.{sqlBuilder.GetTranslationColumnName(it)}=TE.{sqlBuilder.GetTranslationColumnName(it)}"));
var forms= string.Join(",", updateColumns.Select(it => $" TM.{sqlBuilder.GetTranslationColumnName(it)} TM{it},TE.{sqlBuilder.GetTranslationColumnName(it)} TE{it}")); ; var forms = string.Join(",", updateColumns.Select(it => $" TM.{sqlBuilder.GetTranslationColumnName(it)} TM{it},TE.{sqlBuilder.GetTranslationColumnName(it)} TE{it}")); ;
string sql = string.Format(UpdateSql, sets, wheres,tableName, tempName, forms); string sql = string.Format(UpdateSql, sets, wheres, tableName, tempName, forms);
return await this.Context.Ado.ExecuteCommandAsync(sql); return await this.Context.Ado.ExecuteCommandAsync(sql);
} }
private OracleBulkCopy GetBulkCopyInstance() private OracleBulkCopy GetBulkCopyInstance()