mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-04-25 12:12:51 +08:00
380 lines
16 KiB
C#
380 lines
16 KiB
C#
using FreeSql.Internal;
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using FreeSql.Internal.Model;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FreeSql.ClickHouse.Curd
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{
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class ClickHouseUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1>
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{
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public ClickHouseUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
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: base(orm, commonUtils, commonExpression, dywhere)
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{
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}
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internal StringBuilder InternalSbSet => _set;
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internal StringBuilder InternalSbSetIncr => _setIncr;
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internal Dictionary<string, bool> InternalIgnore => _ignore;
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internal void InternalResetSource(List<T1> source) => _source = source;
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internal string InternalWhereCaseSource(string CsName, Func<string, string> thenValue) => WhereCaseSource(CsName, thenValue);
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internal void InternalToSqlCaseWhenEnd(StringBuilder sb, ColumnInfo col) => ToSqlCaseWhenEnd(sb, col);
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public override int ExecuteAffrows() => SplitExecuteAffrows(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000);
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public override List<T1> ExecuteUpdated() => SplitExecuteUpdated(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000);
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protected override List<T1> RawExecuteUpdated() => throw new NotImplementedException("FreeSql.ClickHouse.Custom 未实现该功能 未实现该功能");
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protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
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{
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if (primarys.Length == 1)
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{
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var pk = primarys.First();
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caseWhen.Append(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
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return;
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}
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caseWhen.Append("CONCAT(");
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var pkidx = 0;
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foreach (var pk in primarys)
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{
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if (pkidx > 0) caseWhen.Append(", '+', ");
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caseWhen.Append(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
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++pkidx;
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}
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caseWhen.Append(")");
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}
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protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
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{
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if (primarys.Length == 1)
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{
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sb.Append(_commonUtils.FormatSql("{0}", primarys[0].GetDbValue(d)));
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return;
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}
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sb.Append("concat(");
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var pkidx = 0;
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foreach (var pk in primarys)
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{
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if (pkidx > 0) sb.Append(", '+', ");
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sb.Append(_commonUtils.FormatSql("{0}", pk.GetDbValue(d)));
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++pkidx;
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}
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sb.Append(")");
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}
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public override void ToSqlExtension110(StringBuilder sb, bool isAsTableSplited)
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{
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if (_where.Length == 0 && _source.Any() == false) return;
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if (_table.AsTableImpl != null && isAsTableSplited == false && _source == _sourceOld && _source.Any())
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{
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var atarr = _source.Select(a => new
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{
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item = a,
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splitKey = _table.AsTableImpl.GetTableNameByColumnValue(_table.AsTableColumn.GetValue(a))
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}).GroupBy(a => a.splitKey, a => a.item).ToArray();
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if (atarr.Length > 1)
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{
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var oldSource = _source;
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var arrret = new List<List<T1>>();
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foreach (var item in atarr)
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{
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_source = item.ToList();
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ToSqlExtension110(sb, true);
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sb.Append("\r\n\r\n;\r\n\r\n");
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}
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_source = oldSource;
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if (sb.Length > 0) sb.Remove(sb.Length - 9, 9);
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return;
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}
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}
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sb.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append(" UPDATE ");
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if (_set.Length > 0)
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{ //指定 set 更新
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sb.Append(_set.ToString().Substring(2));
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}
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else if (_source.Count == 1)
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{ //保存 Source
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_paramsSource.Clear();
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var colidx = 0;
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foreach (var col in _table.Columns.Values)
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{
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if (col.Attribute.IsPrimary) continue;
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if (_tempPrimarys.Any(a => a.CsName == col.CsName)) continue;
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if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && _ignore.ContainsKey(col.Attribute.Name) == false)
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{
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if (colidx > 0) sb.Append(", ");
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sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
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if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
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sb.Append(col.DbUpdateValue);
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else
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{
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var val = col.GetDbValue(_source.First());
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var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
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_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
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sb.Append(_commonUtils.RewriteColumn(col, colsql));
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if (_noneParameter == false)
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_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
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}
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++colidx;
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}
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}
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if (colidx == 0) return;
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}
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else if (_source.Count > 1)
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{ //批量保存 Source
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if (_tempPrimarys.Any() == false) return;
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var caseWhen = new StringBuilder();
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ToSqlCase(caseWhen, _tempPrimarys);
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var cw = $"{caseWhen.ToString()}=";
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_paramsSource.Clear();
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var colidx = 0;
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foreach (var col in _table.Columns.Values)
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{
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if (col.Attribute.IsPrimary) continue;
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if (_tempPrimarys.Any(a => a.CsName == col.CsName)) continue;
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if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && _ignore.ContainsKey(col.Attribute.Name) == false)
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{
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if (colidx > 0) sb.Append(", ");
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var columnName = _commonUtils.QuoteSqlName(col.Attribute.Name);
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sb.Append(columnName).Append(" = ");
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if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
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sb.Append(col.DbUpdateValue);
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else
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{
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var nulls = 0;
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var cwsb = new StringBuilder().Append(" multiIf( ");
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foreach (var d in _source)
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{
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cwsb.Append(cw);
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ToSqlWhen(cwsb, _tempPrimarys, d);
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cwsb.Append(",");
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var val = col.GetDbValue(d);
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var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
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_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
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cwsb.Append(_commonUtils.RewriteColumn(col, colsql));
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if (_noneParameter == false)
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_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
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if (val == null || val == DBNull.Value) nulls++;
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cwsb.Append(", ");
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}
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if (nulls == _source.Count) sb.Append("NULL");
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else
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{
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cwsb.Append(columnName).Append(" )");
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ToSqlCaseWhenEnd(cwsb, col);
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sb.Append(cwsb);
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}
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cwsb.Clear();
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}
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++colidx;
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}
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}
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if (colidx == 0) return;
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}
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else if (_setIncr.Length == 0)
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return;
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if (_setIncr.Length > 0)
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sb.Append(_set.Length > 0 ? _setIncr.ToString() : _setIncr.ToString().Substring(2));
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if (_source.Any() == false)
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{
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foreach (var col in _table.Columns.Values)
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if (col.Attribute.CanUpdate && string.IsNullOrEmpty(col.DbUpdateValue) == false)
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sb.Append(", ").Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ").Append(col.DbUpdateValue);
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}
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if (_table.VersionColumn != null)
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{
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var vcname = _commonUtils.QuoteSqlName(_table.VersionColumn.Attribute.Name);
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if (_table.VersionColumn.Attribute.MapType == typeof(byte[]))
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{
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_updateVersionValue = Utils.GuidToBytes(Guid.NewGuid());
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sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, "uv", _table.VersionColumn, _table.VersionColumn.Attribute.MapType, _updateVersionValue));
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}
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else
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sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.IsNull(vcname, 0)).Append(" + 1");
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}
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ToSqlWhere(sb);
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_interceptSql?.Invoke(sb);
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return;
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}
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protected override int SplitExecuteAffrows(int valuesLimit, int parameterLimit)
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{
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var ss = base.SplitSource(valuesLimit, parameterLimit);
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var ret = 0;
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if (ss.Length <= 1)
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{
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if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
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ret = this.RawExecuteAffrows();
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ClearData();
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return ret;
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}
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var before = new Aop.TraceBeforeEventArgs("SplitExecuteAffrows", null);
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_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
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Exception exception = null;
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try
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{
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for (var a = 0; a < ss.Length; a++)
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{
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_source = ss[a];
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_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
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ret += this.RawExecuteAffrows();
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}
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}
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catch (Exception ex)
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{
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exception = ex;
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throw;
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}
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finally
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{
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var after = new Aop.TraceAfterEventArgs(before, null, exception);
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_orm.Aop.TraceAfterHandler?.Invoke(this, after);
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}
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ClearData();
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return ret;
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}
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protected override List<T1> SplitExecuteUpdated(int valuesLimit, int parameterLimit)
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{
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var ss = SplitSource(valuesLimit, parameterLimit);
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var ret = new List<T1>();
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if (ss.Length <= 1)
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{
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if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
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ret = this.RawExecuteUpdated();
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ClearData();
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return ret;
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}
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var before = new Aop.TraceBeforeEventArgs("SplitExecuteUpdated", null);
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_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
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Exception exception = null;
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try
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{
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for (var a = 0; a < ss.Length; a++)
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{
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_source = ss[a];
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_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
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ret.AddRange(this.RawExecuteUpdated());
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}
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}
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catch (Exception ex)
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{
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exception = ex;
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throw;
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}
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finally
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{
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var after = new Aop.TraceAfterEventArgs(before, null, exception);
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_orm.Aop.TraceAfterHandler?.Invoke(this, after);
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}
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ClearData();
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return ret;
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}
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#if net40
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#else
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public override Task<int> ExecuteAffrowsAsync(CancellationToken cancellationToken = default) => SplitExecuteAffrowsAsync(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000, cancellationToken);
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public override Task<List<T1>> ExecuteUpdatedAsync(CancellationToken cancellationToken = default) => SplitExecuteUpdatedAsync(_batchRowsLimit > 0 ? _batchRowsLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 3000, cancellationToken);
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protected override Task<List<T1>> RawExecuteUpdatedAsync(CancellationToken cancellationToken = default) => throw new NotImplementedException("FreeSql.ClickHouse.Custom 未实现该功能 未实现该功能");
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async protected override Task<int> SplitExecuteAffrowsAsync(int valuesLimit, int parameterLimit, CancellationToken cancellationToken = default)
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{
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var ss = SplitSource(valuesLimit, parameterLimit);
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var ret = 0;
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if (ss.Length <= 1)
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{
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if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
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await this.RawExecuteAffrowsAsync(cancellationToken);
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ret = _source.Count;
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ClearData();
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return ret;
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}
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var before = new Aop.TraceBeforeEventArgs("SplitExecuteAffrowsAsync", null);
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_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
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Exception exception = null;
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try
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{
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for (var a = 0; a < ss.Length; a++)
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{
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_source = ss[a];
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_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
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await this.RawExecuteAffrowsAsync(cancellationToken);
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ret += _source.Count;
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}
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}
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catch (Exception ex)
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{
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exception = ex;
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throw;
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}
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finally
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{
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var after = new Aop.TraceAfterEventArgs(before, null, exception);
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_orm.Aop.TraceAfterHandler?.Invoke(this, after);
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}
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ClearData();
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return ret;
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}
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async protected override Task<List<T1>> SplitExecuteUpdatedAsync(int valuesLimit, int parameterLimit, CancellationToken cancellationToken = default)
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{
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var ss = SplitSource(valuesLimit, parameterLimit);
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var ret = new List<T1>();
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if (ss.Length <= 1)
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{
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if (_source?.Any() == true) _batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, 1, 1));
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ret = await this.RawExecuteUpdatedAsync(cancellationToken);
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ClearData();
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return ret;
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}
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var before = new Aop.TraceBeforeEventArgs("SplitExecuteUpdatedAsync", null);
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_orm.Aop.TraceBeforeHandler?.Invoke(this, before);
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Exception exception = null;
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try
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{
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for (var a = 0; a < ss.Length; a++)
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{
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_source = ss[a];
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_batchProgress?.Invoke(new BatchProgressStatus<T1>(_source, a + 1, ss.Length));
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ret.AddRange(await this.RawExecuteUpdatedAsync(cancellationToken));
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}
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}
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catch (Exception ex)
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{
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exception = ex;
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throw;
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}
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finally
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{
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var after = new Aop.TraceAfterEventArgs(before, null, exception);
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_orm.Aop.TraceAfterHandler?.Invoke(this, after);
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}
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ClearData();
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return ret;
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}
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#endif
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}
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}
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