/// <summary>用于取整个数据源的查询语法</summary>
/// <param name="where">指主表的条件</param>
/// <returns></returns>
//public string GetSQL(WhereObject where)
//{
// StringBuilder sql = new StringBuilder();
// if (this.DataSource==null) return string.Empty;
// StringBuilder fields = null;
// //LibFormPage form =SDPCRL.COM.ModelManager.ModelManager.GetFormSource(this._id);
// //var datasourse = SDPCRL.COM.ModelManager.ModelManager.GetDataSource(form.DSID);
// if (this.DataSource != null)
// {
// foreach (LibDefineTable deftb in this.DataSource.DefTables)
// {
// if (deftb.TableStruct == null) continue;
// foreach (LibDataTableStruct tbstruct in deftb.TableStruct)
// {
// if (!tbstruct.Ignore) continue;
// fields = new StringBuilder();
// char tbaliasnm = LibSysUtils.ToCharByTableIndex(tbstruct.TableIndex);
// foreach (LibField f in tbstruct.Fields)
// {
// if (fields.Length > 0)
// fields.Append(SysConstManage.Comma);
// fields.AppendFormat("{0}.{1}", tbaliasnm, string.IsNullOrEmpty(f.AliasName) ? f.Name : f.AliasName);
// }
// if (fields.Length > 0)
// {
// if (string.IsNullOrEmpty(where.WhereFormat))
// sql.AppendFormat("select {0} from {1} {2}", fields.ToString(), tbstruct.Name, tbaliasnm);
// else
// sql.AppendFormat("select {0} from {1} {2} where {3}", fields.ToString(), tbstruct.Name, tbaliasnm, where.WhereFormat);
// sql.AppendLine();
// }
// }
// }
// }
// return sql.ToString();
//}
public WhereObject Where(string format, params object[] values)
{
WhereObject wobj = new WhereObject();
wobj.WhereFormat = format;
wobj.Values = values;
return(wobj);
}
public LibTableObj Where(string format, params object[] values)
{
if (this._whereObject == null)
{
this._whereObject = new WhereObject();
}
this._whereObject.WhereFormat = format;
this._whereObject.Values = values;
return(this);
}
/// <summary>
/// 取分页查询的sql语法
/// </summary>
/// <param name="tableNm"></param>
/// <param name="fields"></param>
/// <param name="where"></param>
/// <param name="pageindex"></param>
/// <param name="pagesize"></param>
/// <param name="IsJoinRelateTable"></param>
/// <param name="IsJoinFromSourceField"></param>
/// <returns></returns>
public string GetSQLByPage(string tableNm, string[] fields, WhereObject where, int pageindex, int pagesize, bool IsJoinRelateTable = true, bool IsJoinFromSourceField = true)
{
StringBuilder builder = new StringBuilder();
builder.Append(ResFactory.ResManager.SQLSelect);
if (fields != null)
{
foreach (string field in fields)
{
if (builder.Length != ResFactory.ResManager.SQLSelect.Length)
{
builder.Append(SysConstManage.Comma);
}
builder.AppendFormat(" {0}", field);
}
}
if (this.DataSource == null)
{
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
builder.AppendFormat(" {0}", SysConstManage.Asterisk);
}
//builder.AppendFormat("{0}ROW_NUMBER()OVER(order by A.BillNo) as rownumber");
builder.AppendFormat(" {0}", ResFactory.ResManager.SQLFrom);
builder.AppendFormat(" {0}", tableNm);
}
else
{
//LibDataSource ds = null;
//if (this._mark)
//{
// ds = ModelManager.GetDataSource(this._id);
//}
//else
//{
// LibFormPage form = ModelManager.GetFormSource(this._id);
// ds = ModelManager.GetDataSource(form.DSID);
//}
//if (ds != null)
//{
DoGetSQL(builder, tableNm, this.DataSource, where, true, IsJoinRelateTable, IsJoinFromSourceField);
//}
}
if (!string.IsNullOrEmpty(where.WhereFormat))
{
return(string.Format("EXEC sp_executesql N'select *from({0} where {1}) as temp where rownumber>={3} and rownumber<={4}',{2}", builder.ToString(), where.WhereFormat, where.ValueTostring, (pageindex - 1) * pagesize + 1, pageindex * pagesize));
}
return(string.Format("EXEC sp_executesql N'select *from({0}) as temp where rownumber>={1} and rownumber<={2}'", builder.ToString(), (pageindex - 1) * pagesize + 1, pageindex * pagesize));
}
//public LibTableObj GetTableObj(string tableNm)
//{
// LibTableObj tableObj = null;
// foreach (LibDefineTable deftb in _ds.DefTables)
// {
// if (deftb.TableStruct == null) continue;
// foreach (LibDataTableStruct tb in deftb.TableStruct)
// {
// if (tb.Name.ToUpper() != tableNm.ToUpper()) continue;
// tableObj = new LibTableObj(new CreateTableSchemaHelp().DoCreateTableShema(tb));
// break;
// }
// }
// return tableObj;
//}
/// <summary>
/// 取查询的sql语法
/// </summary>
/// <param name="tableNm"></param>
/// <param name="fields"></param>
/// <param name="where"></param>
/// <param name="IsJoinRelateTable"></param>
/// <param name="IsJoinFromSourceField"></param>
/// <returns></returns>
public string GetSQL(string tableNm, string[] fields, WhereObject where, bool IsJoinRelateTable = true, bool IsJoinFromSourceField = true)
{
StringBuilder builder = new StringBuilder();
builder.Append(ResFactory.ResManager.SQLSelect);
if (fields != null)
{
foreach (string field in fields)
{
if (builder.Length != ResFactory.ResManager.SQLSelect.Length)
{
builder.Append(SysConstManage.Comma);
}
builder.AppendFormat(" {0}", field);
}
}
if (this.DataSource == null)
{
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
builder.AppendFormat(" {0}", SysConstManage.Asterisk);
}
builder.AppendFormat(" {0}", ResFactory.ResManager.SQLFrom);
builder.AppendFormat(" {0}", tableNm);
}
else
{
//LibDataSource ds = null;
//if (this._mark)
//{
// ds = ModelManager.GetDataSource(this._id);
//}
//else
//{
// LibFormPage form = ModelManager.GetFormSource(this._id);
// ds = ModelManager.GetDataSource(form.DSID);
//}
//if (this._ds != null)
//{
DoGetSQL(builder, tableNm, this.DataSource, where, false, IsJoinRelateTable, IsJoinFromSourceField);
//}
}
if (!string.IsNullOrEmpty(where.WhereFormat))
{
return(string.Format("EXEC sp_executesql N'{0} where {1}',{2}", builder.ToString(), where.WhereFormat, where.ValueTostring));
}
return(string.Format("EXEC sp_executesql N'{0}'", builder.ToString()));
}
private void DoJoinOnCondition(string condition, WhereObject where)
{
string[] array = condition.ToUpper().Split('=');
string[] separator = { "(", ")", "AND", "OR" };
string itemstr = string.Empty;
StringBuilder condformat = new StringBuilder();
object[] valus = { };
//string pattern = "^[0-9]*$";
//Regex regex = new Regex(pattern);
if (array.Length > 0)
{
condformat.Append(array[0]);
int index = -1;
int n = 0;
Int32 val = -1;
for (int i = 1; i < array.Length; i++)
{
foreach (string sep in separator)
{
index = array[i].IndexOf(sep);
if (index == -1)
{
continue;
}
break;
}
val = -1;
if (index != -1)
{
itemstr = array[i].Substring(0, index).Trim();
if (itemstr.Contains("'") || LibSysUtils.IsNumberic(itemstr, out val))
{
condformat.AppendFormat("={0} ", array[i].Replace(itemstr, "{" + n + "} "));
n++;
Array.Resize(ref valus, valus.Length + 1);
if (val == -1)
{
valus[valus.Length - 1] = itemstr.Trim();
}
else
{
valus[valus.Length - 1] = val;
}
//valus[valus.Length - 1] =(val == -1 ? itemstr.Trim() : val);
}
else
{
condformat.AppendFormat("={0} ", array[i]);
}
}
else
{
if (array[i].Contains("'") || LibSysUtils.IsNumberic(array[i], out val))
{
condformat.AppendFormat("={0} ", array[i].Replace(array[i], "{" + n + "} "));
n++;
Array.Resize(ref valus, valus.Length + 1);
if (val == -1)
{
valus[valus.Length - 1] = val;
}
else
{
valus[valus.Length - 1] = array[i].Replace(SysConstManage.SingleQuotes, ' ').Trim();
}
}
else
{
condformat.AppendFormat("={0}", array[i]);
}
}
}
where.AppendWhereFormat(ResFactory.ResManager.SQLAnd, string.Format("({0})", condformat), valus);
}
}
private void DoGetSQL(StringBuilder builder, string tableNm, LibDataSource ds, WhereObject where, bool page = false, bool IsJoinRelateTable = true, bool IsJoinFromSourceField = true)
{
List <LibDataTableStruct> list = new List <LibDataTableStruct>();
StringBuilder joinstr = new StringBuilder();
StringBuilder joinfield = null;
StringBuilder allfields = new StringBuilder();
//Dictionary<string, int> tablealiasmdic = new Dictionary<string, int>();
foreach (LibDefineTable item in ds.DefTables)
{
if (item.TableStruct == null)
{
continue;
}
list.AddRange(item.TableStruct.ToArray());
}
var tb = list.FirstOrDefault(i => i.Name == tableNm && i.Ignore);
char tbaliasnm = LibSysUtils.ToCharByTableIndex(tb.TableIndex);
#region 组织要查询表的字段
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
foreach (LibField f in tb.Fields)
{
if (!f.IsActive)
{
continue;
}
if (allfields.Length > 0)
{
allfields.Append(SysConstManage.Comma);
}
allfields.AppendFormat(" {0}.{1}", tbaliasnm, f.Name);
}
#region 日志列
if (allfields.Length > 0)
{
allfields.Append(SysConstManage.Comma);
}
allfields.AppendFormat(" {0}.{1}", tbaliasnm, SysConstManage.Sdp_LogId);
#endregion
}
#endregion
if (tb != null)
{
if (IsJoinRelateTable)
{
var relatetbs = list.Where(i => i.JoinTableIndex == tb.TableIndex && i.TableIndex != tb.TableIndex && i.Ignore).ToList();
List <int> tbindexs = null;
//char tbaliasnm2 = tbaliasnm;
while (relatetbs != null && relatetbs.Count > 0)
{
tbindexs = new List <int>();
foreach (var jointb in relatetbs)
{
tbindexs.Add(jointb.TableIndex);
#region 组织joinstr语句
joinstr.AppendFormat(" {0} {1} {2} {3} ",
ResFactory.ResManager.SQLLeftJoin,
jointb.Name,
LibSysUtils.ToCharByTableIndex(jointb.TableIndex),
//(char)(jointb.TableIndex+65),
ResFactory.ResManager.SQLOn);
joinfield = new StringBuilder();
foreach (var relatfield in jointb.JoinFields)
{
if (joinfield.Length > 0)
{
joinfield.Append(ResFactory.ResManager.SQLAnd);;
}
LibField libfd = jointb.Fields.FindFirst("Name", relatfield);
//if (string.IsNullOrEmpty(libfd.RelatePrimarykey))
joinfield.AppendFormat(" {0}.{1}={2}.{3} ",
LibSysUtils.ToCharByTableIndex(jointb.JoinTableIndex),
string.IsNullOrEmpty(libfd.RelatePrimarykey) ? relatfield : libfd.RelatePrimarykey,
LibSysUtils.ToCharByTableIndex(jointb.TableIndex),
relatfield);
//else
}
joinstr.Append(joinfield.ToString());
joinstr.AppendLine();
#endregion
#region 取关联表的字段
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
foreach (LibField f2 in jointb.Fields)
{
if (!f2.IsActive || jointb.JoinFields.Contains(f2.Name))
{
continue;
}
if (allfields.ToString().ToUpper().Contains(string.Format(".{0}", f2.Name.ToUpper())) && string.IsNullOrEmpty(f2.AliasName))
{
allfields.AppendFormat("{0}{1}.{2} as {3}", SysConstManage.Comma, LibSysUtils.ToCharByTableIndex(jointb.TableIndex), f2.Name, string.Format("{0}{2}{1}", LibSysUtils.ToCharByTableIndex(jointb.TableIndex), f2.Name, SysConstManage.Underline));
}
else
{
if (!string.IsNullOrEmpty(f2.AliasName))
{
allfields.AppendFormat("{0}{1}.{2} as {3}", SysConstManage.Comma, LibSysUtils.ToCharByTableIndex(jointb.TableIndex), f2.Name, f2.AliasName);
}
else
{
allfields.AppendFormat("{0}{1}.{2}", SysConstManage.Comma, LibSysUtils.ToCharByTableIndex(jointb.TableIndex), f2.Name);
}
}
}
}
#endregion
}
relatetbs = list.Where(i => tbindexs.Contains(i.JoinTableIndex) && i.TableIndex != i.JoinTableIndex && i.Ignore).ToList();
//tbaliasnm2=
}
}
#region 字段上的来源表。
var relatefields = tb.Fields.ToArray().Where(i => i.SourceField != null);
foreach (LibField f in relatefields)
{
foreach (LibFromSourceField fromfield in f.SourceField)
{
string tbnm = this[tableNm].GetTBAliasmn(fromfield.FromDataSource, fromfield.FromTableIndex, f.Name);
//string tbnm = string.Format("{0}{1}", tbaliasnm, LibSysUtils.ToCharByTableIndex(fromfield.FromTableIndex));
//if (tablealiasmdic.ContainsKey(tbnm))
//{
// tbnm = string.Format("{0}{1}", tbnm, tablealiasmdic[tbnm]++);
//}
//else
//{
// tablealiasmdic.Add(tbnm, 0);
//}
#region 组织joinstr语句
joinstr.AppendFormat(" {0} {1} {2} {3} ",
ResFactory.ResManager.SQLLeftJoin,
fromfield.FromStructTableNm,
tbnm,
//(char)(jointb.TableIndex+65),
ResFactory.ResManager.SQLOn);
joinfield = new StringBuilder();
if (joinfield.Length > 0)
{
joinfield.Append(ResFactory.ResManager.SQLAnd);
}
joinfield.AppendFormat(" {0}.{1}={2}.{3} ",
tbaliasnm,
f.Name,
tbnm,
fromfield.FromFieldNm);
#region 处理JoinOnCondition
if (!string.IsNullOrEmpty(fromfield.JoinOnCondition))
{
DoJoinOnCondition(fromfield.JoinOnCondition, where);
}
#endregion
joinstr.Append(joinfield.ToString());
joinstr.AppendLine();
if (IsJoinFromSourceField)
{
#region 取来源表所在数据源的 与来源表关联的表。
LibDataSource fromSouceDS = SDPCRL.COM.ModelManager.ModelManager.GetDataSource(fromfield.FromDataSource);
if (fromSouceDS != null)
{
List <LibDataTableStruct> list2 = new List <LibDataTableStruct>();
foreach (LibDefineTable def in fromSouceDS.DefTables)
{
if (def.TableStruct == null)
{
continue;
}
list2.AddRange(def.TableStruct.ToArray());
}
var relatetbs = list2.Where(i => i.JoinTableIndex == fromfield.FromTableIndex && i.TableIndex != fromfield.FromTableIndex && i.Ignore).ToList();
List <int> tbindexs2 = null;
while (relatetbs != null && relatetbs.Count > 0)
{
tbindexs2 = new List <int>();
foreach (var jointb in relatetbs)
{
tbindexs2.Add(jointb.TableIndex);
string tbnm2 = this[tableNm].GetTBAliasmn(fromfield.FromDataSource, jointb.TableIndex, f.Name);
//string tbnm2 = string.Format("{0}{1}", tbaliasnm, LibSysUtils.ToCharByTableIndex(jointb.TableIndex));
//if (tablealiasmdic.ContainsKey(tbnm2))
//{
// tbnm2 = string.Format("{0}{1}", tbnm2, tablealiasmdic[tbnm2]++);
//}
//else
//{
// tablealiasmdic.Add(tbnm2, 0);
//}
joinstr.AppendFormat(" {0} {1} {2} {3} ",
ResFactory.ResManager.SQLLeftJoin,
jointb.Name,
tbnm2,
//(char)(jointb.TableIndex+65),
ResFactory.ResManager.SQLOn);
joinfield = new StringBuilder();
foreach (var relatfield in jointb.JoinFields)
{
if (joinfield.Length > 0)
{
joinfield.Append(ResFactory.ResManager.SQLAnd);;
}
LibField libfd = jointb.Fields.FindFirst("Name", relatfield);
joinfield.AppendFormat(" {0}.{1}={2}.{3} ",
string.Format("{0}{1}", tbaliasnm, LibSysUtils.ToCharByTableIndex(jointb.JoinTableIndex)),
string.IsNullOrEmpty(libfd.RelatePrimarykey) ? relatfield : libfd.RelatePrimarykey,
string.Format("{0}{1}", tbaliasnm, LibSysUtils.ToCharByTableIndex(jointb.TableIndex)),
relatfield);
}
joinstr.Append(joinfield.ToString());
joinstr.AppendLine();
}
relatetbs = list2.Where(i => tbindexs2.Contains(i.JoinTableIndex) && i.TableIndex != i.JoinTableIndex && i.Ignore).ToList();
//tbaliasnm2=
}
}
#endregion
}
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
if (fromfield.RelateFieldNm != null)
{
foreach (LibRelateField relatef in fromfield.RelateFieldNm)
{
if (!IsJoinFromSourceField && relatef.FromTableIndex != fromfield.FromTableIndex)
{
continue;
}
tbnm = this[tableNm].GetTBAliasmn(fromfield.FromDataSource, relatef.FromTableIndex, f.Name);
//tbnm = string.Format("{0}{1}", tbaliasnm, LibSysUtils.ToCharByTableIndex(relatef.FromTableIndex));
//if (IsJoinFromSourceField && relatef.FromTableIndex != fromfield.FromTableIndex)
//{
// tbnm = tablealiasmdic[tbnm] == 0 ? tbnm : string.Format("{0}{1}", tbnm, tablealiasmdic[tbnm]);
//}
if (!string.IsNullOrEmpty(relatef.AliasName))
{
allfields.AppendFormat("{0}{1}.{2} as {3}",
SysConstManage.Comma,
tbnm,
relatef.FieldNm,
relatef.AliasName);
}
else
{
allfields.AppendFormat("{0}{1}.{2}",
SysConstManage.Comma,
tbnm,
relatef.FieldNm);
}
}
}
}
#endregion
}
}
#endregion
if (builder.Length == ResFactory.ResManager.SQLSelect.Length)
{
builder.Append(allfields.ToString());
}
if (page) //分页
{
StringBuilder orderstr = new StringBuilder();
foreach (string key in tb.PrimaryKey)
{
if (orderstr.Length > 0)
{
orderstr.Append(SysConstManage.Comma);
}
orderstr.AppendFormat("{0}.{1}", LibSysUtils.ToCharByTableIndex(tb.TableIndex), key);
}
builder.AppendFormat(",ROW_NUMBER()OVER(order by {0}) as rownumber ,COUNT(1)OVER() as {1} ", orderstr.ToString(), SysConstManage.sdp_total_row);
}
builder.AppendFormat(" {0}", ResFactory.ResManager.SQLFrom);
builder.AppendFormat(" {0} {1}", tableNm, tbaliasnm);
builder.Append(joinstr.ToString());
}
}
