mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-04-19 01:12:49 +08:00
323 lines
14 KiB
C#
323 lines
14 KiB
C#
using FreeSql.Internal;
|
||
using FreeSql.Internal.Model;
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.Data;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading;
|
||
using System.Threading.Tasks;
|
||
using DateTime = System.DateTime;
|
||
|
||
namespace FreeSql.ClickHouse.Curd
|
||
{
|
||
|
||
class ClickHouseUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1>
|
||
{
|
||
|
||
public ClickHouseUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
|
||
: base(orm, commonUtils, commonExpression, dywhere)
|
||
{
|
||
}
|
||
|
||
internal StringBuilder InternalSbSet => _set;
|
||
internal StringBuilder InternalSbSetIncr => _setIncr;
|
||
internal Dictionary<string, bool> InternalIgnore => _ignore;
|
||
internal void InternalResetSource(List<T1> source) => _source = source;
|
||
internal string InternalWhereCaseSource(string CsName, Func<string, string> thenValue) => WhereCaseSource(CsName, thenValue);
|
||
internal void InternalToSqlCaseWhenEnd(StringBuilder sb, ColumnInfo col) => ToSqlCaseWhenEnd(sb, col);
|
||
|
||
public override int ExecuteAffrows() => SplitExecuteAffrows(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000);
|
||
protected override List<TReturn> ExecuteUpdated<TReturn>(IEnumerable<ColumnInfo> columns) => base.SplitExecuteUpdated<TReturn>(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000, columns);
|
||
|
||
protected override List<TReturn> RawExecuteUpdated<TReturn>(IEnumerable<ColumnInfo> columns) => throw new NotImplementedException($"FreeSql.Provider.ClickHouse {CoreStrings.S_Not_Implemented_Feature}");
|
||
|
||
protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
|
||
{
|
||
if (primarys.Length == 1)
|
||
{
|
||
var pk = primarys.First();
|
||
caseWhen.Append(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
|
||
return;
|
||
}
|
||
caseWhen.Append("CONCAT(");
|
||
var pkidx = 0;
|
||
foreach (var pk in primarys)
|
||
{
|
||
if (pkidx > 0) caseWhen.Append(", '+', ");
|
||
caseWhen.Append(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
|
||
++pkidx;
|
||
}
|
||
caseWhen.Append(")");
|
||
}
|
||
protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
|
||
{
|
||
if (primarys.Length == 1)
|
||
{
|
||
sb.Append(_commonUtils.FormatSql("{0}", primarys[0].GetDbValue(d)));
|
||
return;
|
||
}
|
||
sb.Append("concat(");
|
||
var pkidx = 0;
|
||
foreach (var pk in primarys)
|
||
{
|
||
if (pkidx > 0) sb.Append(", '+', ");
|
||
sb.Append(_commonUtils.FormatSql("{0}", pk.GetDbValue(d)));
|
||
++pkidx;
|
||
}
|
||
sb.Append(")");
|
||
}
|
||
|
||
public override void ToSqlExtension110(StringBuilder sb, bool isAsTableSplited)
|
||
{
|
||
if (_where.Length == 0 && _source.Any() == false) return;
|
||
if (_source.Any() == false && _set.Length == 0 && _setIncr.Length == 0) return;
|
||
|
||
if (_table.AsTableImpl != null && isAsTableSplited == false && _source == _sourceOld && _source.Any())
|
||
{
|
||
var atarr = _source.Select(a => new
|
||
{
|
||
item = a,
|
||
splitKey = _table.AsTableImpl.GetTableNameByColumnValue(_table.AsTableColumn.GetValue(a))
|
||
}).GroupBy(a => a.splitKey, a => a.item).ToArray();
|
||
if (atarr.Length > 1)
|
||
{
|
||
var oldSource = _source;
|
||
var arrret = new List<List<T1>>();
|
||
foreach (var item in atarr)
|
||
{
|
||
_source = item.ToList();
|
||
ToSqlExtension110(sb, true);
|
||
sb.Append("\r\n\r\n;\r\n\r\n");
|
||
}
|
||
_source = oldSource;
|
||
if (sb.Length > 0) sb.Remove(sb.Length - 9, 9);
|
||
return;
|
||
}
|
||
}
|
||
|
||
sb.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append(" UPDATE ");
|
||
|
||
if (_set.Length > 0)
|
||
{ //指定 set 更新
|
||
sb.Append(_set.ToString().Substring(2));
|
||
|
||
}
|
||
else if (_source.Count == 1)
|
||
{ //保存 Source
|
||
_paramsSource.Clear();
|
||
var colidx = 0;
|
||
foreach (var col in _table.Columns.Values)
|
||
{
|
||
if (col.Attribute.IsPrimary) continue;
|
||
if (_tempPrimarys.Any(a => a.CsName == col.CsName)) continue;
|
||
if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && _ignore.ContainsKey(col.Attribute.Name) == false)
|
||
{
|
||
if (colidx > 0) sb.Append(", ");
|
||
sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
|
||
|
||
if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
|
||
sb.Append(col.DbUpdateValue);
|
||
else
|
||
{
|
||
var val = col.GetDbValue(_source.First());
|
||
|
||
var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
|
||
_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
|
||
sb.Append(_commonUtils.RewriteColumn(col, colsql));
|
||
if (_noneParameter == false)
|
||
_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
|
||
}
|
||
++colidx;
|
||
}
|
||
}
|
||
if (colidx == 0) return;
|
||
|
||
}
|
||
else if (_source.Count > 1)
|
||
{ //批量保存 Source
|
||
if (_tempPrimarys.Any() == false) return;
|
||
|
||
var caseWhen = new StringBuilder();
|
||
ToSqlCase(caseWhen, _tempPrimarys);
|
||
var cw = $"{caseWhen.ToString()}=";
|
||
_paramsSource.Clear();
|
||
var colidx = 0;
|
||
foreach (var col in _table.Columns.Values)
|
||
{
|
||
if (col.Attribute.IsPrimary) continue;
|
||
if (_tempPrimarys.Any(a => a.CsName == col.CsName)) continue;
|
||
if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && _ignore.ContainsKey(col.Attribute.Name) == false)
|
||
{
|
||
if (colidx > 0) sb.Append(", ");
|
||
var columnName = _commonUtils.QuoteSqlName(col.Attribute.Name);
|
||
sb.Append(columnName).Append(" = ");
|
||
|
||
if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
|
||
sb.Append(col.DbUpdateValue);
|
||
else
|
||
{
|
||
var nulls = 0;
|
||
var cwsb = new StringBuilder().Append(" multiIf( ");
|
||
foreach (var d in _source)
|
||
{
|
||
cwsb.Append(cw);
|
||
ToSqlWhen(cwsb, _tempPrimarys, d);
|
||
cwsb.Append(",");
|
||
var val = col.GetDbValue(d);
|
||
|
||
var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
|
||
_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
|
||
|
||
//判断是否是DateTime类型，如果是DateTime类型，需要转换成ClickHouse支持的时间格式 #1813
|
||
if (col.Attribute.MapType == typeof(DateTime) || col.Attribute.MapType == typeof(DateTime?) )
|
||
{
|
||
//获取当前实时区
|
||
colsql = $"toDateTime({colsql},'Asia/Shanghai')";
|
||
}
|
||
|
||
cwsb.Append(_commonUtils.RewriteColumn(col, colsql));
|
||
if (_noneParameter == false)
|
||
_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
|
||
if (val == null || val == DBNull.Value) nulls++;
|
||
cwsb.Append(", ");
|
||
}
|
||
if (nulls == _source.Count) sb.Append("NULL");
|
||
else
|
||
{
|
||
cwsb.Append(columnName).Append(" )");
|
||
ToSqlCaseWhenEnd(cwsb, col);
|
||
sb.Append(cwsb);
|
||
}
|
||
cwsb.Clear();
|
||
}
|
||
++colidx;
|
||
}
|
||
}
|
||
if (colidx == 0) return;
|
||
}
|
||
else if (_setIncr.Length == 0)
|
||
return;
|
||
|
||
if (_setIncr.Length > 0)
|
||
sb.Append(_set.Length > 0 || _source.Any() ? _setIncr.ToString() : _setIncr.ToString().Substring(2));
|
||
|
||
if (_source.Any() == false)
|
||
{
|
||
var sbString = "";
|
||
foreach (var col in _table.Columns.Values)
|
||
if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
|
||
{
|
||
if (sbString == "") sbString = sb.ToString();
|
||
var loc3 = _commonUtils.QuoteSqlName(col.Attribute.Name);
|
||
if (sbString.Contains(loc3)) continue;
|
||
sb.Append(", ").Append(loc3).Append(" = ").Append(col.DbUpdateValue);
|
||
}
|
||
}
|
||
|
||
if (_table.VersionColumn != null)
|
||
{
|
||
var vcname = _commonUtils.QuoteSqlName(_table.VersionColumn.Attribute.Name);
|
||
if (_table.VersionColumn.Attribute.MapType == typeof(byte[]))
|
||
{
|
||
_updateVersionValue = Utils.GuidToBytes(Guid.NewGuid());
|
||
sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, "uv", _table.VersionColumn, _table.VersionColumn.Attribute.MapType, _updateVersionValue));
|
||
}
|
||
else if (_versionColumn.Attribute.MapType == typeof(string))
|
||
{
|
||
_updateVersionValue = Guid.NewGuid().ToString();
|
||
sb.Append(", ").Append(vcname).Append(" = ").Append(_noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "uv", _versionColumn, _versionColumn.Attribute.MapType, _updateVersionValue) :
|
||
_commonUtils.QuoteWriteParamterAdapter(_versionColumn.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
|
||
if (_noneParameter == false)
|
||
_commonUtils.AppendParamter(_paramsSource, null, _versionColumn, _versionColumn.Attribute.MapType, _updateVersionValue);
|
||
}
|
||
else
|
||
sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.IsNull(vcname, 0)).Append(" + 1");
|
||
}
|
||
ToSqlWhere(sb);
|
||
_interceptSql?.Invoke(sb);
|
||
return;
|
||
}
|
||
|
||
protected override void SplitExecute(int valuesLimit, int parameterLimit, string traceName, Action execute)
|
||
{
|
||
var ss = SplitSource(valuesLimit, parameterLimit);
|
||
if (ss.Length <= 1)
|
||
{
|
||
if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
|
||
execute();
|
||
ClearData();
|
||
return;
|
||
}
|
||
|
||
var before = new Aop.TraceBeforeEventArgs(traceName, null);
|
||
_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
|
||
Exception exception = null;
|
||
try
|
||
{
|
||
for (var a = 0; a < ss.Length; a++)
|
||
{
|
||
_source = ss[a];
|
||
_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
|
||
execute();
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
exception = ex;
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
var after = new Aop.TraceAfterEventArgs(before, null, exception);
|
||
_orm.Aop.TraceAfterHandler?.Invoke(this, after);
|
||
}
|
||
ClearData();
|
||
}
|
||
|
||
#if net40
|
||
#else
|
||
public override Task<int> ExecuteAffrowsAsync(CancellationToken cancellationToken = default) => SplitExecuteAffrowsAsync(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000, cancellationToken);
|
||
protected override Task<List<TReturn>> ExecuteUpdatedAsync<TReturn>(IEnumerable<ColumnInfo> columns, CancellationToken cancellationToken = default) => base.SplitExecuteUpdatedAsync<TReturn>(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000, columns, cancellationToken);
|
||
|
||
protected override Task<List<TReturn>> RawExecuteUpdatedAsync<TReturn>(IEnumerable<ColumnInfo> columns, CancellationToken cancellationToken = default) => throw new NotImplementedException($"FreeSql.Provider.ClickHouse {CoreStrings.S_Not_Implemented_Feature}");
|
||
|
||
async protected override Task SplitExecuteAsync(int valuesLimit, int parameterLimit, string traceName, Func<Task> executeAsync, CancellationToken cancellationToken = default)
|
||
{
|
||
var ss = SplitSource(valuesLimit, parameterLimit);
|
||
if (ss.Length <= 1)
|
||
{
|
||
if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
|
||
await executeAsync();
|
||
ClearData();
|
||
return;
|
||
}
|
||
|
||
var before = new Aop.TraceBeforeEventArgs(traceName, null);
|
||
_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
|
||
Exception exception = null;
|
||
try
|
||
{
|
||
for (var a = 0; a < ss.Length; a++)
|
||
{
|
||
_source = ss[a];
|
||
_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
|
||
await executeAsync();
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
exception = ex;
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
var after = new Aop.TraceAfterEventArgs(before, null, exception);
|
||
_orm.Aop.TraceAfterHandler?.Invoke(this, after);
|
||
}
|
||
ClearData();
|
||
}
|
||
#endif
|
||
}
|
||
}
|