old_flsystem/类库/SqlSugar/5.0.0.9/Abstract/SqlBuilderProvider/SqlBuilderProvider.cs

279 lines
14 KiB
C#

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace SqlSugar
{
public abstract partial class SqlBuilderProvider : SqlBuilderAccessory, ISqlBuilder
{
#region Properties
public SqlSugarProvider Context { get; set; }
public CommandType CommandType { get; set; }
public DeleteBuilder DeleteBuilder { get; set; }
public InsertBuilder InsertBuilder { get; set; }
public QueryBuilder QueryBuilder { get; set; }
public UpdateBuilder UpdateBuilder { get; set; }
public SqlQueryBuilder SqlQueryBuilder
{
get
{
base._SqlQueryBuilder = UtilMethods.IsNullReturnNew(base._SqlQueryBuilder);
return base._SqlQueryBuilder;
}
set { base._SqlQueryBuilder = value; }
}
#endregion
#region abstract Methods
public virtual string GetTranslationTableName(string name)
{
Check.ArgumentNullException(name, string.Format(ErrorMessage.ObjNotExist, "Table Name"));
if (name.IsContainsIn("(", ")", SqlTranslationLeft)&&name!= "Dictionary`2")
{
return name;
}
var context = this.Context;
var mappingInfo = context
.MappingTables
.FirstOrDefault(it => it.EntityName.Equals(name, StringComparison.CurrentCultureIgnoreCase));
name = (mappingInfo == null ? name : mappingInfo.DbTableName);
if (name.IsContainsIn("(", ")", SqlTranslationLeft))
{
return name;
}
if (name.Contains("."))
{
return string.Join(".", name.Split('.').Select(it => SqlTranslationLeft + it + SqlTranslationRight));
}
else
{
return SqlTranslationLeft + name + SqlTranslationRight;
}
}
public virtual string GetTranslationColumnName(string entityName, string propertyName)
{
Check.ArgumentNullException(entityName, string.Format(ErrorMessage.ObjNotExist, "Table Name"));
Check.ArgumentNullException(propertyName, string.Format(ErrorMessage.ObjNotExist, "Column Name"));
var context = this.Context;
var mappingInfo = context
.MappingColumns
.FirstOrDefault(it =>
it.EntityName.Equals(entityName, StringComparison.CurrentCultureIgnoreCase) &&
it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
return (mappingInfo == null ? SqlTranslationLeft + propertyName + SqlTranslationRight : SqlTranslationLeft + mappingInfo.DbColumnName + SqlTranslationRight);
}
public virtual string GetTranslationColumnName(string propertyName)
{
if (propertyName.Contains(SqlTranslationLeft)) return propertyName;
else
return SqlTranslationLeft + propertyName + SqlTranslationRight;
}
public virtual string GetNoTranslationColumnName(string name)
{
if (name.Contains("="))
{
name=name.Split('=').First();
}
if (!name.Contains(SqlTranslationLeft)) return name;
return name == null ? string.Empty : Regex.Match(name, @".*" + "\\" + SqlTranslationLeft + "(.*?)" + "\\" + SqlTranslationRight + "").Groups[1].Value;
}
public virtual string GetPackTable(string sql, string shortName)
{
return UtilMethods.GetPackTable(sql, shortName);
}
public virtual string GetDefaultShortName()
{
return "t";
}
public string GetWhere(string fieldName,string conditionalType,int? parameterIndex=null)
{
return string.Format(" {0} {1} {2}{3} ",fieldName,conditionalType,this.SqlParameterKeyWord,fieldName+ parameterIndex);
}
public virtual string GetUnionAllSql(List<string> sqlList)
{
return string.Join(" UNION ALL \r\n", sqlList);
}
public virtual string GetUnionSql(List<string> sqlList)
{
return string.Join(" UNION \r\n", sqlList);
}
public virtual void RepairReplicationParameters(ref string appendSql, SugarParameter[] parameters, int addIndex)
{
UtilMethods.RepairReplicationParameters(ref appendSql, parameters, addIndex);
}
public KeyValuePair<string, SugarParameter[]> ConditionalModelToSql(List<IConditionalModel> models, int beginIndex = 0)
{
if (models.IsNullOrEmpty()) return new KeyValuePair<string, SugarParameter[]>();
StringBuilder builder = new StringBuilder();
List<SugarParameter> parameters = new List<SugarParameter>();
var sqlBuilder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
foreach (var model in models)
{
if (model is ConditionalModel)
{
var item = model as ConditionalModel;
var index = models.IndexOf(item) + beginIndex;
var type = index == 0 ? "" : "AND";
if (beginIndex > 0)
{
type = null;
}
string temp = " {0} {1} {2} {3} ";
string parameterName = string.Format("{0}Conditional{1}{2}", sqlBuilder.SqlParameterKeyWord, item.FieldName, index);
if (parameterName.Contains("."))
{
parameterName = parameterName.Replace(".", "_");
}
switch (item.ConditionalType)
{
case ConditionalType.Equal:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "=", parameterName);
parameters.Add(new SugarParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.Like:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new SugarParameter(parameterName, "%" + item.FieldValue + "%"));
break;
case ConditionalType.GreaterThan:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), ">", parameterName);
parameters.Add(new SugarParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.GreaterThanOrEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), ">=", parameterName);
parameters.Add(new SugarParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.LessThan:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<", parameterName);
parameters.Add(new SugarParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.LessThanOrEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<=", parameterName);
parameters.Add(new SugarParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.In:
if (item.FieldValue == null) item.FieldValue = string.Empty;
var inValue1 = ("(" + item.FieldValue.Split(',').ToJoinSqlInVals() + ")");
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "IN", inValue1);
parameters.Add(new SugarParameter(parameterName, item.FieldValue));
break;
case ConditionalType.NotIn:
if (item.FieldValue == null) item.FieldValue = string.Empty;
var inValue2 = ("(" + item.FieldValue.Split(',').ToJoinSqlInVals() + ")");
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "NOT IN", inValue2);
parameters.Add(new SugarParameter(parameterName, item.FieldValue));
break;
case ConditionalType.LikeLeft:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new SugarParameter(parameterName, item.FieldValue + "%"));
break;
case ConditionalType.NoLike:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), " NOT LIKE", parameterName);
parameters.Add(new SugarParameter(parameterName, item.FieldValue + "%"));
break;
case ConditionalType.LikeRight:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new SugarParameter(parameterName, "%" + item.FieldValue));
break;
case ConditionalType.NoEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<>", parameterName);
parameters.Add(new SugarParameter(parameterName, item.FieldValue));
break;
case ConditionalType.IsNullOrEmpty:
builder.AppendFormat("{0} ({1}) OR ({2}) ", type, item.FieldName.ToSqlFilter() + " IS NULL ", item.FieldName.ToSqlFilter() + " = '' ");
parameters.Add(new SugarParameter(parameterName, item.FieldValue));
break;
case ConditionalType.IsNot:
if (item.FieldValue == null)
{
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), " IS NOT ", "NULL");
}
else
{
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<>", parameterName);
parameters.Add(new SugarParameter(parameterName, item.FieldValue));
}
break;
default:
break;
}
}
else
{
var item = model as ConditionalCollections;
if (item != null && item.ConditionalList.HasValue())
{
foreach (var con in item.ConditionalList)
{
var index = item.ConditionalList.IndexOf(con);
var isFirst = index == 0;
var isLast = index == (item.ConditionalList.Count - 1);
if (models.IndexOf(item) == 0 && index == 0 && beginIndex == 0)
{
builder.AppendFormat(" ( ");
}
else if (isFirst)
{
builder.AppendFormat(" {0} ( ", con.Key.ToString().ToUpper());
}
List<IConditionalModel> conModels = new List<IConditionalModel>();
conModels.Add(con.Value);
var childSqlInfo = ConditionalModelToSql(conModels, 1000 * (1 + index) + models.IndexOf(item));
if (!isFirst)
{
builder.AppendFormat(" {0} ", con.Key.ToString().ToUpper());
}
builder.Append(childSqlInfo.Key);
parameters.AddRange(childSqlInfo.Value);
if (isLast)
{
builder.Append(" ) ");
}
else
{
}
}
}
}
}
return new KeyValuePair<string, SugarParameter[]>(builder.ToString(), parameters.ToArray());
}
private static object GetFieldValue(ConditionalModel item)
{
if (item.FieldValueConvertFunc != null)
return item.FieldValueConvertFunc(item.FieldValue);
else
return item.FieldValue;
}
#endregion
#region Common SqlTemplate
public string AppendWhereOrAnd(bool isWhere, string sqlString)
{
return isWhere ? (" WHERE " + sqlString) : (" AND " + sqlString);
}
public string AppendHaving(string sqlString)
{
return " HAVING " + sqlString;
}
public virtual string SqlParameterKeyWord { get { return "@"; } }
public abstract string SqlTranslationLeft { get; }
public abstract string SqlTranslationRight { get; }
public virtual string SqlFalse { get { return "1=2 "; } }
public virtual string SqlDateNow { get { return "GETDATE()"; } }
public virtual string FullSqlDateNow { get { return "SELECT GETDATE()"; } }
public virtual string SqlSelectAll { get { return "*"; } }
#endregion
}
}