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tk
2024-11-13 18:18:28 +08:00
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Providers/FreeSql.Provider.Odbc/Default/Curd/OdbcUpdate.cs Normal file
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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;
namespace FreeSql.Odbc.Default
{
class OdbcUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1>
{
OdbcUtils _utils;
public OdbcUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
_utils = _commonUtils as OdbcUtils;
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(_batchRowsLimit > 0 ? _batchRowsLimit : _utils.Adapter.UpdateBatchSplitLimit, _batchParameterLimit > 0 ? _batchParameterLimit : 255);
protected override List<TReturn> ExecuteUpdated<TReturn>(IEnumerable<ColumnInfo> columns) => base.SplitExecuteUpdated<TReturn>(_batchRowsLimit > 0 ? _batchRowsLimit : _utils.Adapter.UpdateBatchSplitLimit, _batchParameterLimit > 0 ? _batchParameterLimit : 255, columns);
protected override List<TReturn> RawExecuteUpdated<TReturn>(IEnumerable<ColumnInfo> columns) => throw new NotImplementedException($"FreeSql.Odbc.Default {CoreStrings.S_Not_Implemented_Feature}");
protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
{
if (primarys.Length == 1)
{
var pk = primarys.First();
caseWhen.Append(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
return;
}
caseWhen.Append("(");
var pkidx = 0;
foreach (var pk in primarys)
{
if (pkidx > 0) caseWhen.Append(" + '+' + ");
caseWhen.Append(_utils.Adapter.CastSql(_commonUtils.RereadColumn(pk, _commonUtils.QuoteSqlName(pk.Attribute.Name)), _utils.Adapter.MappingOdbcTypeVarChar));
++pkidx;
}
caseWhen.Append(")");
}
protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
{
if (primarys.Length == 1)
{
sb.Append(_commonUtils.FormatSql("{0}", primarys[0].GetDbValue(d)));
return;
}
var pkidx = 0;
foreach (var pk in primarys)
{
if (pkidx > 0) sb.Append(" + '+' + ");
sb.Append(_utils.Adapter.CastSql(_commonUtils.FormatSql("{0}", pk.GetDbValue(d)), _utils.Adapter.MappingOdbcTypeVarChar));
++pkidx;
}
}
#if net40
#else
public override Task<int> ExecuteAffrowsAsync(CancellationToken cancellationToken = default) => base.SplitExecuteAffrowsAsync(_batchRowsLimit > 0 ? _batchRowsLimit : _utils.Adapter.UpdateBatchSplitLimit, _batchParameterLimit > 0 ? _batchParameterLimit : 255, cancellationToken);
protected override Task<List<TReturn>> ExecuteUpdatedAsync<TReturn>(IEnumerable<ColumnInfo> columns, CancellationToken cancellationToken = default) => base.SplitExecuteUpdatedAsync<TReturn>(_batchRowsLimit > 0 ? _batchRowsLimit : _utils.Adapter.UpdateBatchSplitLimit, _batchParameterLimit > 0 ? _batchParameterLimit : 255, columns, cancellationToken);
protected override Task<List<TReturn>> RawExecuteUpdatedAsync<TReturn>(IEnumerable<ColumnInfo> columns, CancellationToken cancellationToken = default) => throw new NotImplementedException($"FreeSql.Odbc.Default {CoreStrings.S_Not_Implemented_Feature}");
#endif
}
}