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