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- add Oracle ToSqlBatchIdentityColumn

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This commit is contained in:
2881099
2020-10-26 02:48:10 +08:00
parent faf883b62a
commit ecd7425be9
4 changed files with 80 additions and 188 deletions
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72
Providers/FreeSql.Provider.Oracle/Curd/OracleInsert.cs
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@@ -23,6 +23,78 @@ namespace FreeSql.Oracle.Curd
public override long ExecuteIdentity() => base.SplitExecuteIdentity(_batchValuesLimit > 0 ? _batchValuesLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 999);
public override List<T1> ExecuteInserted() => base.SplitExecuteInserted(_batchValuesLimit > 0 ? _batchValuesLimit : 500, _batchParameterLimit > 0 ? _batchParameterLimit : 999);
/// <summary>
/// 批量插入时，如果有序列 + DbInsertValue 设置，则用这个
/// </summary>
/// <returns></returns>
public string ToSqlBatchIdentityColumn()
{
if (_source == null || _source.Any() == false) return null;
var cols = new List<ColumnInfo>();
foreach (var col in _table.Columns.Values)
{
if (col.Attribute.IsIdentity && _insertIdentity == false && string.IsNullOrEmpty(col.DbInsertValue)) continue;
if (col.Attribute.IsIdentity == false && _ignore.ContainsKey(col.Attribute.Name)) continue;
cols.Add(col);
}
_identCol = null;
var sb = new StringBuilder();
var tmpsb = new StringBuilder();
sb.Append("INSERT INTO ").Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append("(");
var colidx = 0;
foreach (var col in cols)
{
if (col.Attribute.IsIdentity) _identCol = col;
if (colidx > 0)
{
sb.Append(", ");
tmpsb.Append(", ");
}
var colname = _commonUtils.QuoteSqlName(col.Attribute.Name);
sb.Append(colname);
tmpsb.Append(col.Attribute.IsIdentity && !string.IsNullOrEmpty(col.DbInsertValue) ? col.DbInsertValue : colname);
++colidx;
}
sb.Append(") ").Append("\r\nSELECT ").Append(tmpsb.ToString()).Append(" FROM \r\n(\r\n");
tmpsb.Clear();
_params = _noneParameter ? new DbParameter[0] : new DbParameter[colidx * _source.Count];
var specialParams = new List<DbParameter>();
var didx = 0;
foreach (var d in _source)
{
if (_source.Count > 1) sb.Append("\r\n UNION ALL\r\n ");
sb.Append(" SELECT ");
var colidx2 = 0;
foreach (var col in cols)
{
if (colidx2 > 0) sb.Append(", ");
if (string.IsNullOrEmpty(col.DbInsertValue) == false)
sb.Append(col.DbInsertValue);
else
{
object val = col.GetDbValue(d);
if (val == null && col.Attribute.IsNullable == false) val = col.CsType == typeof(string) ? "" : Utils.GetDataReaderValue(col.CsType.NullableTypeOrThis(), null);//#384
if (_noneParameter)
sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, _noneParameterFlag, col.Attribute.MapType, val));
else
{
sb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col, col.Attribute.MapType, val);
}
}
if (didx == 0) sb.Append(" as ").Append(col.Attribute.Name);
++colidx2;
}
sb.Append(" FROM dual ");
++didx;
}
sb.Append(")");
if (_noneParameter && specialParams.Any()) _params = specialParams.ToArray();
return sb.ToString();
}
public override string ToSql()
{