-
Notifications
You must be signed in to change notification settings - Fork 841
/
TableAttribute.cs
422 lines (397 loc) · 21.7 KB
/
TableAttribute.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text.RegularExpressions;
namespace FreeSql.DataAnnotations
{
[AttributeUsage(AttributeTargets.Class)]
public class TableAttribute : Attribute
{
/// <summary>
/// 数据库表名
/// </summary>
public string Name { get; set; }
/// <summary>
/// 指定数据库旧的表名,修改实体命名时,同时设置此参数为修改之前的值,CodeFirst才可以正确修改数据库表;否则将视为【创建新表】
/// </summary>
public string OldName { get; set; }
internal bool? _DisableSyncStructure;
/// <summary>
/// 禁用 CodeFirst 同步结构迁移
/// </summary>
public bool DisableSyncStructure { get => _DisableSyncStructure ?? false; set => _DisableSyncStructure = value; }
internal ConcurrentDictionary<string, ColumnAttribute> _columns { get; } = new ConcurrentDictionary<string, ColumnAttribute>(StringComparer.CurrentCultureIgnoreCase);
internal ConcurrentDictionary<string, NavigateAttribute> _navigates { get; } = new ConcurrentDictionary<string, NavigateAttribute>(StringComparer.CurrentCultureIgnoreCase);
internal ConcurrentDictionary<string, IndexAttribute> _indexs { get; } = new ConcurrentDictionary<string, IndexAttribute>(StringComparer.CurrentCultureIgnoreCase);
/// <summary>
/// 格式:属性名=开始时间(递增)<para></para>
/// 按年分表:[Table(Name = "log_{yyyy}", AsTable = "create_time=2022-1-1(1 year)")]<para></para>
/// 按月分表:[Table(Name = "log_{yyyyMM}", AsTable = "create_time=2022-5-1(1 month)")]<para></para>
/// 按日分表:[Table(Name = "log_{yyyyMMdd}", AsTable = "create_time=2022-5-1(5 day)")]<para></para>
/// 按时分表:[Table(Name = "log_{yyyyMMddHH}", AsTable = "create_time=2022-5-1(6 hour)")]<para></para>
/// </summary>
public string AsTable { get; set; }
internal void ParseAsTable(TableInfo tb)
{
if (string.IsNullOrEmpty(AsTable) == false)
{
var atm = Regex.Match(AsTable, @"([\w_\d]+)\s*=\s*(\d\d\d\d)\s*\-\s*(\d\d?)\s*\-\s*(\d\d?)\s*( [\d:]+)?\(([\d,]+)\s*(year|month|day|hour)\)", RegexOptions.IgnoreCase);
if (atm.Success == false)
throw new Exception(CoreStrings.AsTable_PropertyName_FormatError(AsTable));
tb.AsTableColumn = tb.Columns.TryGetValue(atm.Groups[1].Value, out var trycol) ? trycol :
tb.ColumnsByCs.TryGetValue(atm.Groups[1].Value, out trycol) ? trycol : throw new Exception(CoreStrings.NotFound_Table_Property_AsTable(atm.Groups[1].Value));
if (tb.AsTableColumn.Attribute.MapType.NullableTypeOrThis() != typeof(DateTime))
{
tb.AsTableColumn = null;
throw new Exception(CoreStrings.AsTable_PropertyName_NotDateTime(atm.Groups[1].Value));
}
var beginTime = $"{atm.Groups[2].Value}-{atm.Groups[3].Value}-{atm.Groups[4].Value}";
var atm5 = atm.Groups[5].Value;
if (string.IsNullOrWhiteSpace(atm5) == false)
{
var hhmmss = atm5.Split(':').Select(a => int.TryParse(a.Trim(), out var tryint) ? tryint : 0).ToArray();
if (hhmmss.Length == 1) beginTime = $"{beginTime} {hhmmss[0]}:0:0";
else if (hhmmss.Length == 2) beginTime = $"{beginTime} {hhmmss[0]}:{hhmmss[1]}:0";
else if (hhmmss.Length == 3) beginTime = $"{beginTime} {hhmmss[0]}:{hhmmss[1]}:{hhmmss[2]}";
}
var intervals = atm.Groups[6].Value.Split(',').Select(a => int.TryParse(a, out var atm6) ? atm6 : 0).Where(a => a > 0).ToArray();
string atm7 = atm.Groups[7].Value.ToLower();
tb.AsTableImpl = new DateTimeAsTableImpl(Name, DateTime.Parse(beginTime), (dt, idx) =>
{
var atm6 = idx >= 0 && idx < intervals.Length ? intervals[idx] : intervals.Last();
switch (atm7)
{
case "year": return dt.AddYears(atm6);
case "month": return dt.AddMonths(atm6);
case "day": return dt.AddDays(atm6);
case "hour": return dt.AddHours(atm6);
}
throw new NotImplementedException(CoreStrings.Functions_AsTable_NotImplemented(AsTable));
});
}
}
}
public interface IAsTable
{
string[] AllTables { get; }
IAsTable SetTableName(int index, string tableName);
string GetTableNameByColumnValue(object columnValue, bool autoExpand = false);
string[] GetTableNamesByColumnValueRange(object columnValue1, object columnValue2);
IAsTableTableNameRangeResult GetTableNamesBySqlWhere(string sqlWhere, List<DbParameter> dbParams, SelectTableInfo tb, CommonUtils commonUtils);
IAsTable SetDefaultAllTables(Func<string[], string[]> audit);
}
public class IAsTableTableNameRangeResult
{
public string[] Names { get; }
public object ColumnValue1 { get; }
public object ColumnValue2 { get; }
public IAsTableTableNameRangeResult(string[] names, object columnValue1, object columnValue2)
{
Names = names;
ColumnValue1 = columnValue1;
ColumnValue2 = columnValue2;
}
}
class DateTimeAsTableImpl : IAsTable
{
readonly object _lock = new object();
readonly List<string> _allTables = new List<string>();
readonly List<DateTime> _allTablesTime = new List<DateTime>();
readonly DateTime _beginTime;
DateTime _lastTime;
Func<DateTime, int, DateTime> _nextTimeFunc;
string _tableName;
Match _tableNameFormat;
static Regex _regTableNameFormat = new Regex(@"\{([^\\}]+)\}");
public DateTimeAsTableImpl(string tableName, DateTime beginTime, Func<DateTime, int, DateTime> nextTimeFunc)
{
if (nextTimeFunc == null) throw new ArgumentException(CoreStrings.Cannot_Be_NULL_Name("nextTimeFunc"));
//beginTime = beginTime.Date; //日期部分作为开始
_beginTime = beginTime;
_nextTimeFunc = nextTimeFunc;
_tableName = tableName;
_tableNameFormat = _regTableNameFormat.Match(tableName);
if (string.IsNullOrEmpty(_tableNameFormat.Groups[1].Value)) throw new ArgumentException(CoreStrings.TableName_Format_Error("yyyyMMdd"));
ExpandTable(beginTime, DateTime.Now);
}
int GetTimestamp(DateTime dt) => (int)dt.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
void ExpandTable(DateTime beginTime, DateTime endTime)
{
if (beginTime > endTime) endTime = _nextTimeFunc(beginTime, -1);
lock (_lock)
{
var index = _allTables.Count;
while (beginTime <= endTime)
{
var dtstr = beginTime.ToString(_tableNameFormat.Groups[1].Value);
var name = _tableName.Replace(_tableNameFormat.Groups[0].Value, dtstr);
if (_allTables.Contains(name)) throw new ArgumentException(CoreStrings.Generated_Same_SubTable(_tableName));
_allTables.Insert(0, name);
_allTablesTime.Insert(0, beginTime);
_lastTime = _nextTimeFunc(beginTime, index++);
beginTime = _lastTime;
}
}
}
public NativeTuple<DateTime, DateTime> GetRangeByTableName(string tableName)
{
lock (_lock)
{
var idx = _allTables.FindIndex(a => a == tableName);
if (idx == -1) return null;
if (idx == 0) return NativeTuple.Create(_allTablesTime[idx], DateTime.Now);
if (idx == _allTables.Count - 1) return NativeTuple.Create(DateTime.MinValue, _allTablesTime[idx]);
return NativeTuple.Create(_allTablesTime[idx], _allTablesTime[idx - 1]);
}
}
DateTime ParseColumnValue(object columnValue)
{
if (columnValue == null) throw new Exception(CoreStrings.SubTableFieldValue_IsNotNull);
DateTime dt;
if (columnValue is DateTime || columnValue is DateTime?)
dt = (DateTime)columnValue;
else if (columnValue is string)
{
if (DateTime.TryParse(string.Concat(columnValue), out dt) == false) throw new Exception(CoreStrings.SubTableFieldValue_NotConvertDateTime(columnValue));
}
else if (columnValue is int || columnValue is long)
{
dt = new DateTime(1970, 1, 1).AddSeconds((double)columnValue);
}
else throw new Exception(CoreStrings.SubTableFieldValue_NotConvertDateTime(columnValue));
return dt;
}
public string GetTableNameByColumnValue(object columnValue, bool autoExpand = false)
{
var dt = ParseColumnValue(columnValue);
if (dt < _beginTime) throw new Exception(CoreStrings.SubTableFieldValue_CannotLessThen(dt.ToString("yyyy-MM-dd HH:mm:ss"), _beginTime.ToString("yyyy-MM-dd HH:mm:ss")));
if (dt >= _lastTime && autoExpand)
{
// 扩容分表
ExpandTable(_lastTime, dt);
}
lock (_lock)
{
var allTablesCount = _allTablesTime.Count;
for (var a = 0; a < allTablesCount; a++)
if (dt >= _allTablesTime[a])
return _allTables[a];
}
throw new Exception(CoreStrings.SubTableFieldValue_NotMatchTable(dt.ToString("yyyy-MM-dd HH:mm:ss")));
}
public string[] GetTableNamesByColumnValueRange(object columnValue1, object columnValue2)
{
var dt1 = ParseColumnValue(columnValue1);
var dt2 = ParseColumnValue(columnValue2);
if (dt1 > dt2) return new string[0];
lock (_lock)
{
int dt1idx = 0, dt2idx = 0;
var allTablesCount = _allTablesTime.Count;
if (dt1 < _beginTime) dt1idx = allTablesCount - 1;
else
{
for (var a = allTablesCount - 2; a > -1; a--)
{
if (dt1 < _allTablesTime[a])
{
dt1idx = a + 1;
break;
}
}
}
if (dt2 > _allTablesTime[0]) dt2idx = 0;
else
{
for (var a = 0; a < allTablesCount; a++)
{
if (dt2 >= _allTablesTime[a])
{
dt2idx = a;
break;
}
}
}
if (dt2idx == -1) return new string[0];
if (dt1idx == allTablesCount - 1 && dt2idx == 0) return _allTables.ToArray();
var names = _allTables.GetRange(dt2idx, dt1idx - dt2idx + 1).ToArray();
return names;
}
}
static readonly ConcurrentDictionary<string, Regex[]> _dicRegSqlWhereDateTimes = new ConcurrentDictionary<string, Regex[]>();
static Regex[] GetRegSqlWhereDateTimes(string columnName, string quoteParameterName)
{
return _dicRegSqlWhereDateTimes.GetOrAdd($"{columnName},{quoteParameterName}", cn =>
{
cn = columnName.Replace("[", "\\[").Replace("]", "\\]").Replace(".", "\\.").Replace("?", "\\?");
var qpn = quoteParameterName.Replace("[", "\\[").Replace("]", "\\]").Replace(".", "\\.").Replace("?", "\\?");
return new[]
{
new Regex($@"(\s*)(datetime|cdate|to_date)(\s*)\(\s*({qpn}[\w_]+)\s*\)", RegexOptions.IgnoreCase),
new Regex($@"(\s*)(to_timestamp)(\s*)\(\s*({qpn}[\w_]+)\s*,\s*{qpn}[\w_]+\s*\)", RegexOptions.IgnoreCase),
new Regex($@"(\s*)(cast)(\s*)\(\s*({qpn}[^w_]+)\s+as\s+(datetime|timestamp)\s*\)", RegexOptions.IgnoreCase),
new Regex($@"({qpn}[^w_]+)(\s*)(::)(\s*)(datetime|timestamp)", RegexOptions.IgnoreCase),
new Regex($@"(\s*)(timestamp)(\s*)({qpn}[\w_]+)", RegexOptions.IgnoreCase), //firebird
new Regex($@"{cn}\s*between\s*'([^']+)'\s*and\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
new Regex($@"{cn}\s*between\s*{qpn}([\w_]+)\s*and\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
new Regex($@"{cn}\s*(<|<=|>|>=)\s*'([^']+)'\s*and\s*{cn}\s*(<|<=|>|>=)\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
new Regex($@"{cn}\s*(<|<=|>|>=)\s*{qpn}([\w_]+)\s*and\s*{cn}\s*(<|<=|>|>=)\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
new Regex($@"{cn}\s*(=|<|<=|>|>=)\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
new Regex($@"{cn}\s*(=|<|<=|>|>=)\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
};
});
}
Func<string[], string[]> _GetDefaultAllTables;
public IAsTable SetDefaultAllTables(Func<string[], string[]> audit)
{
_GetDefaultAllTables = audit;
return this;
}
/// <summary>
/// 可以匹配以下条件(支持参数化):<para></para>
/// `field` BETWEEN '2022-01-01 00:00:00' AND '2022-03-01 00:00:00'<para></para>
/// `field` > '2022-01-01 00:00:00' AND `field` < '2022-03-01 00:00:00'<para></para>
/// `field` > '2022-01-01 00:00:00' AND `field` <= '2022-03-01 00:00:00'<para></para>
/// `field` >= '2022-01-01 00:00:00' AND `field` < '2022-03-01 00:00:00'<para></para>
/// `field` >= '2022-01-01 00:00:00' AND `field` <= '2022-03-01 00:00:00'<para></para>
/// `field` > '2022-01-01 00:00:00'<para></para>
/// `field` >= '2022-01-01 00:00:00'<para></para>
/// `field` < '2022-01-01 00:00:00'<para></para>
/// `field` <= '2022-01-01 00:00:00'<para></para>
/// </summary>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public IAsTableTableNameRangeResult GetTableNamesBySqlWhere(string sqlWhere, List<DbParameter> dbParams, SelectTableInfo tb, CommonUtils commonUtils)
{
if (string.IsNullOrWhiteSpace(sqlWhere)) return new IAsTableTableNameRangeResult(_GetDefaultAllTables?.Invoke(AllTables) ?? AllTables, _beginTime, _lastTime);
var quoteParameterName = "";
if (commonUtils._orm.Ado.DataType == DataType.ClickHouse) quoteParameterName = "@"; //特殊处理 Clickhouse 参数化
else quoteParameterName = commonUtils.QuoteParamterName("");
var quoteParameterNameCharArray = quoteParameterName.ToCharArray();
var columnName = commonUtils.QuoteSqlName(tb.Table.AsTableColumn.Attribute.Name);
var dictParams = new Dictionary<string, string>();
var newSqlWhere = Utils.ReplaceSqlConstString(sqlWhere, dictParams, quoteParameterName);
//var tsqlWhere = Utils.ParseSqlWhereLevel1(sqlWhere);
var regs = GetRegSqlWhereDateTimes($"{(string.IsNullOrWhiteSpace(tb.Alias) ? "" : $"{tb.Alias}.")}{commonUtils.QuoteSqlName(tb.Table.AsTableColumn.Attribute.Name)}", quoteParameterName);
for (var a = 0; a < 5; a++) newSqlWhere = regs[a].Replace(newSqlWhere, "$1$4");
//var m = regs[5].Match(newSqlWhere);
//if (m.Success) return GetTableNamesByColumnValueRange(m.Groups[1].Value, m.Groups[2].Value);
//m = m = regs[7].Match(newSqlWhere);
//if (m.Success) return LocalGetTables(m.Groups[1].Value, m.Groups[3].Value, ParseColumnValue(m.Groups[2].Value), ParseColumnValue(m.Groups[4].Value));
//m = regs[9].Match(newSqlWhere);
//if (m.Success) return LocalGetTables2(m.Groups[1].Value, ParseColumnValue(m.Groups[2].Value));
var m = regs[6].Match(newSqlWhere);
if (m.Success)
{
var val1 = LocalGetParamValue(m.Groups[1].Value);
var val2 = LocalGetParamValue(m.Groups[2].Value);
if (val1 == null || val2 == null) throw new Exception(CoreStrings.Failed_SubTable_FieldValue(sqlWhere));
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, val2), ParseColumnValue(val1), ParseColumnValue(val2));
}
m = regs[8].Match(newSqlWhere);
if (m.Success)
{
var val1 = LocalGetParamValue(m.Groups[2].Value);
var val2 = LocalGetParamValue(m.Groups[4].Value);
if (val1 == null || val2 == null) throw new Exception(CoreStrings.Failed_SubTable_FieldValue(sqlWhere));
return LocalGetTables(m.Groups[1].Value, m.Groups[3].Value, ParseColumnValue(val1), ParseColumnValue(val2));
}
m = regs[10].Match(newSqlWhere);
if (m.Success)
{
var val1 = LocalGetParamValue(m.Groups[2].Value);
if (val1 == null) throw new Exception(CoreStrings.Failed_SubTable_FieldValue(sqlWhere));
return LocalGetTables2(m.Groups[1].Value, ParseColumnValue(val1));
}
return new IAsTableTableNameRangeResult(_GetDefaultAllTables?.Invoke(AllTables) ?? AllTables, _beginTime, _lastTime);
object LocalGetParamValue(string paramName)
{
if (dictParams.TryGetValue(quoteParameterName + paramName, out var trydictVal)) return trydictVal;
return dbParams.Where(a => a.ParameterName.Trim(quoteParameterNameCharArray) == paramName).FirstOrDefault()?.Value;
}
IAsTableTableNameRangeResult LocalGetTables(string opt1, string opt2, DateTime val1, DateTime val2)
{
switch (opt1)
{
case "<":
case "<=":
if (opt1 == "<") val1 = val1.AddSeconds(-1);
switch (opt2)
{
case "<":
val2 = val2.AddSeconds(-1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(_beginTime, val1 > val2 ? val2 : val1), _beginTime, val1 > val2 ? val2 : val1);
case "<=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(_beginTime, val1 > val2 ? val2 : val1), _beginTime, val1 > val2 ? val2 : val1);
case ">":
val2 = val2.AddSeconds(1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val2, val1), val2, val1);
case ">=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val2, val1), val2, val1);
}
break;
case ">":
case ">=":
if (opt1 == ">") val1 = val1.AddSeconds(1);
switch (opt2)
{
case "<":
val2 = val2.AddSeconds(-1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, val2), val1, val2);
case "<=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, val2), val1, val2);
case ">":
val2 = val2.AddSeconds(1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1 > val2 ? val1 : val2, _lastTime), val1 > val2 ? val1 : val2, _lastTime);
case ">=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1 > val2 ? val1 : val2, _lastTime), val1 > val2 ? val1 : val2, _lastTime);
}
break;
}
return new IAsTableTableNameRangeResult(_GetDefaultAllTables?.Invoke(AllTables) ?? AllTables, _beginTime, _lastTime);
}
IAsTableTableNameRangeResult LocalGetTables2(string opt, DateTime val1)
{
switch (m.Groups[1].Value)
{
case "=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, val1), val1, val1);
case "<":
val1 = val1.AddSeconds(-1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(_beginTime, val1), _beginTime, val1);
case "<=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(_beginTime, val1), _beginTime, val1);
case ">":
val1 = val1.AddSeconds(1);
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, _lastTime), val1, _lastTime);
case ">=":
return new IAsTableTableNameRangeResult(GetTableNamesByColumnValueRange(val1, _lastTime), val1, _lastTime);
}
return new IAsTableTableNameRangeResult(_GetDefaultAllTables?.Invoke(AllTables) ?? AllTables, _beginTime, _lastTime);
}
}
public string[] AllTables
{
get
{
lock (_lock)
{
return _allTables.ToArray();
}
}
}
public IAsTable SetTableName(int index, string tableName)
{
lock (_lock)
{
index = _allTables.Count - 1 - index;
_allTables[index] = tableName;
}
return this;
}
}
}