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- 增加 EfCoreFluentApi 扩展包，接近 efcore fluentApi 的使用习惯；#4
- 增加 ColumnAttribute 属性 InsertValueSql，插入数据的时候指定用 sql 值；
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using FreeSql.DataAnnotations;
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namespace FreeSql.Extensions.EfCoreFluentApi
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{
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public class EfCoreTableFluent<T>
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{
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TableFluent<T> _tf;
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internal EfCoreTableFluent(TableFluent<T> tf)
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{
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_tf = tf;
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}
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public EfCoreTableFluent<T> ToTable(string name)
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{
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_tf.Name(name);
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return this;
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}
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public EfCoreTableFluent<T> ToView(string name)
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{
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_tf.DisableSyncStructure(true);
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_tf.Name(name);
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return this;
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}
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public EfCoreColumnFluent Property<TProperty>(Expression<Func<T, TProperty>> property) => new EfCoreColumnFluent(_tf.Property(property));
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public EfCoreColumnFluent Property(string property) => new EfCoreColumnFluent(_tf.Property(property));
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public TableFluent<T> Help() => _tf;
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#region HasKey
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public EfCoreTableFluent<T> HasKey(Expression<Func<T, object>> key)
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{
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if (key?.Body == null) return this;
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var exp = key.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_tf.Property((exp as MemberExpression).Member.Name).IsPrimary(true);
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break;
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case ExpressionType.New:
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foreach (var member in (exp as NewExpression).Members)
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_tf.Property(member.Name).IsPrimary(true);
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break;
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}
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return this;
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}
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#endregion
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#region HasIndex
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public HasIndexFluent HasIndex(Expression<Func<T, object>> index)
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{
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if (index?.Body == null) throw new ArgumentException("参数错误 index 不能为 null");
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var exp = index.Body;
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var indexName = $"idx_{Guid.NewGuid().ToString("N").Substring(0, 8)}";
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var columns = new List<string>();
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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columns.Add((exp as MemberExpression).Member.Name);
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break;
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case ExpressionType.New:
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foreach (var member in (exp as NewExpression).Members)
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columns.Add(member.Name);
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break;
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}
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_tf.Index(indexName, string.Join(", ", columns), false);
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return new HasIndexFluent(_tf, indexName, columns);
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}
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public class HasIndexFluent
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{
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TableFluent<T> _modelBuilder;
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string _indexName;
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List<string> _columns;
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bool _isUnique;
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internal HasIndexFluent(TableFluent<T> modelBuilder, string indexName, List<string> columns)
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{
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_modelBuilder = modelBuilder;
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_indexName = indexName;
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_columns = columns;
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}
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public HasIndexFluent IsUnique()
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{
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_isUnique = true;
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_modelBuilder.Index(_indexName, string.Join(", ", _columns), _isUnique);
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return this;
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}
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public HasIndexFluent HasName(string name)
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{
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_modelBuilder.IndexRemove(_indexName);
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_indexName = name;
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_modelBuilder.Index(_indexName, string.Join(", ", _columns), _isUnique);
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return this;
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}
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}
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#endregion
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#region HasOne
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public HasOneFluent<T2> HasOne<T2>(Expression<Func<T, T2>> one)
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{
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if (one?.Body == null) throw new ArgumentException("参数错误 one 不能为 null");
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var exp = one.Body;
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var oneProperty = "";
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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oneProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(oneProperty)) throw new ArgumentException("参数错误 one");
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return new HasOneFluent<T2>(_tf, oneProperty);
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}
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public class HasOneFluent<T2>
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{
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TableFluent<T> _tf;
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string _selfProperty;
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string _selfBind;
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string _withManyProperty;
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string _withOneProperty;
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string _withOneBind;
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internal HasOneFluent(TableFluent<T> modelBuilder, string oneProperty)
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{
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_tf = modelBuilder;
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_selfProperty = oneProperty;
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}
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public HasOneFluent<T2> WithMany<TMany>(Expression<Func<T2, TMany>> many)
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{
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if (many?.Body == null) throw new ArgumentException("参数错误 many 不能为 null");
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var exp = many.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_withManyProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(_withManyProperty)) throw new ArgumentException("参数错误 many");
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if (string.IsNullOrEmpty(_selfBind) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withManyProperty, _selfBind));
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return this;
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}
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public HasOneFluent<T2> WithOne(Expression<Func<T2, T>> one, Expression<Func<T2, object>> foreignKey)
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{
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if (one?.Body == null) throw new ArgumentException("参数错误 one 不能为 null");
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var exp = one.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_withOneProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(_withOneProperty)) throw new ArgumentException("参数错误 one");
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if (foreignKey?.Body == null) throw new ArgumentException("参数错误 foreignKey 不能为 null");
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exp = foreignKey.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_withOneBind = (exp as MemberExpression).Member.Name;
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_withOneBind = _withOneBind.TrimStart(',', ' ');
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break;
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case ExpressionType.New:
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_withOneBind = "";
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foreach (var member in (exp as NewExpression).Members)
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_withOneBind += ", " + member.Name;
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_withOneBind = _withOneBind.TrimStart(',', ' ');
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break;
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}
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if (string.IsNullOrEmpty(_withOneBind)) throw new ArgumentException("参数错误 foreignKey");
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if (string.IsNullOrEmpty(_selfBind) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withOneProperty, _withOneBind));
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return this;
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}
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public HasOneFluent<T2> HasForeignKey(Expression<Func<T, object>> foreignKey)
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{
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if (foreignKey?.Body == null) throw new ArgumentException("参数错误 foreignKey 不能为 null");
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var exp = foreignKey.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_selfBind = (exp as MemberExpression).Member.Name;
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_selfBind = _selfBind.TrimStart(',', ' ');
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break;
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case ExpressionType.New:
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_selfBind = "";
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foreach (var member in (exp as NewExpression).Members)
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_selfBind += ", " + member.Name;
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_selfBind = _selfBind.TrimStart(',', ' ');
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break;
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}
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if (string.IsNullOrEmpty(_selfBind)) throw new ArgumentException("参数错误 foreignKey");
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_tf.Navigate(_selfProperty, _selfBind);
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if (string.IsNullOrEmpty(_withManyProperty) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withManyProperty, _selfBind));
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if (string.IsNullOrEmpty(_withOneProperty) == false && string.IsNullOrEmpty(_withOneBind) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withOneProperty, _withOneBind));
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return this;
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}
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}
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#endregion
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#region HasMany
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public HasManyFluent<T2> HasMany<T2>(Expression<Func<T, IEnumerable<T2>>> many)
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{
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if (many?.Body == null) throw new ArgumentException("参数错误 many 不能为 null");
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var exp = many.Body;
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var manyProperty = "";
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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manyProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(manyProperty)) throw new ArgumentException("参数错误 many");
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return new HasManyFluent<T2>(_tf, manyProperty);
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}
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public class HasManyFluent<T2>
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{
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TableFluent<T> _tf;
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string _selfProperty;
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string _selfBind;
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string _withOneProperty;
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string _withManyProperty;
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internal HasManyFluent(TableFluent<T> modelBuilder, string manyProperty)
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{
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_tf = modelBuilder;
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_selfProperty = manyProperty;
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}
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public void WithMany(Expression<Func<T2, IEnumerable<T>>> many, Type middleType)
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{
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if (many?.Body == null) throw new ArgumentException("参数错误 many 不能为 null");
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var exp = many.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_withManyProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(_withManyProperty)) throw new ArgumentException("参数错误 many");
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_tf.Navigate(_selfProperty, null, middleType);
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withManyProperty, null, middleType));
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}
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public HasManyFluent<T2> WithOne(Expression<Func<T2, T>> one)
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{
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if (one?.Body == null) throw new ArgumentException("参数错误 one 不能为 null");
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var exp = one.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_withOneProperty = (exp as MemberExpression).Member.Name;
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break;
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}
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if (string.IsNullOrEmpty(_withOneProperty)) throw new ArgumentException("参数错误 one");
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if (string.IsNullOrEmpty(_selfBind) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withOneProperty, _selfBind));
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return this;
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}
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public HasManyFluent<T2> HasForeignKey(Expression<Func<T, object>> foreignKey)
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{
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if (foreignKey?.Body == null) throw new ArgumentException("参数错误 foreignKey 不能为 null");
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var exp = foreignKey.Body;
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switch (exp.NodeType)
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{
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case ExpressionType.MemberAccess:
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_selfBind = (exp as MemberExpression).Member.Name;
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_selfBind = _selfBind.TrimStart(',', ' ');
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break;
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case ExpressionType.New:
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_selfBind = "";
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foreach (var member in (exp as NewExpression).Members)
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_selfBind += ", " + member.Name;
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_selfBind = _selfBind.TrimStart(',', ' ');
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break;
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}
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if (string.IsNullOrEmpty(_selfBind)) throw new ArgumentException("参数错误 foreignKey");
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_tf.Navigate(_selfProperty, _selfBind);
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if (string.IsNullOrEmpty(_withOneProperty) == false)
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_tf.ConfigEntity<T2>(eb2 => eb2.Navigate(_withOneProperty, _selfBind));
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return this;
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}
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}
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#endregion
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public EfCoreTableFluent<T> Ignore<TProperty>(Expression<Func<T, TProperty>> property)
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{
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_tf.Property(property).IsIgnore(true);
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return this;
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}
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//public EfCoreTableFluent<T> HasData(T data) => HasData(new[] { data });
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//public EfCoreTableFluent<T> HasData(IEnumerable<T> data)
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//{
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// return this;
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//}
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}
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}
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