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- 增加 ISelect.WhereCascade 实现多表查询时，向每个表中附加条件；

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- 增加 Examples 项目 base_entity，利用 BaseEntity 实现简洁的数据库操作；
This commit is contained in:
28810
2019-07-19 18:35:58 +08:00
parent c403fa6fad
commit b37919be80
41 changed files with 745 additions and 171 deletions
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44
Providers/FreeSql.Provider.Oracle/Curd/OracleSelect.cs
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@ -12,11 +12,15 @@ namespace FreeSql.Oracle.Curd
class OracleSelect<T1> : FreeSql.Internal.CommonProvider.Select1Provider<T1> where T1 : class
{
internal static string ToSqlStatic(CommonUtils _commonUtils, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, Func<Type, string, string> tableRuleInvoke, IFreeSql _orm)
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, Func<Type, string, string> tableRuleInvoke, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
if (_whereCascadeExpression.Any())
foreach (var tb in _tables.Where(a => a.Type != SelectTableInfoType.Parent))
tb.Cascade = _commonExpression.GetWhereCascadeSql(tb, _whereCascadeExpression);
var sb = new StringBuilder();
var sbnav = new StringBuilder();
sb.Append(_select);
@ -35,8 +39,13 @@ namespace FreeSql.Oracle.Curd
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tableRuleInvoke(tbsfrom[b].Table.Type, tbsfrom[b].Table.DbName))).Append(" ").Append(tbsfrom[b].Alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On)) sb.Append(" ON 1 = 1");
else sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
{
sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].Cascade) == false) sb.Append(" AND (").Append(tbsfrom[b].Cascade).Append(")");
}
}
break;
}
@ -44,6 +53,7 @@ namespace FreeSql.Oracle.Curd
{
if (!string.IsNullOrEmpty(tbsfrom[a].NavigateCondition)) sbnav.Append(" AND (").Append(tbsfrom[a].NavigateCondition).Append(")");
if (!string.IsNullOrEmpty(tbsfrom[a].On)) sbnav.Append(" AND (").Append(tbsfrom[a].On).Append(")");
if (a > 0 && !string.IsNullOrEmpty(tbsfrom[a].Cascade)) sbnav.Append(" AND (").Append(tbsfrom[a].Cascade).Append(")");
}
if (a < tbsfrom.Length - 1) sb.Append(", ");
}
@ -63,11 +73,15 @@ namespace FreeSql.Oracle.Curd
break;
}
sb.Append(_commonUtils.QuoteSqlName(tableRuleInvoke(tb.Table.Type, tb.Table.DbName))).Append(" ").Append(tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND (").Append(tb.Cascade).Append(")");
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
if (_join.Length > 0) sb.Append(_join);
sbnav.Append(_where);
if (!string.IsNullOrEmpty(_tables[0].Cascade))
sbnav.Append(" AND (").Append(_tables[0].Cascade).Append(")");
foreach (var tb in _tables)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
@ -75,13 +89,9 @@ namespace FreeSql.Oracle.Curd
sbnav.Append(" AND (").Append(tb.Table.SelectFilter.Replace("a.", $"{tb.Alias}.")).Append(")");
}
if (string.IsNullOrEmpty(_orderby) && (_skip > 0 || _limit > 0))
{
sbnav.Append(" AND ROWNUM < ").Append(_skip + _limit + 1);
}
if (sbnav.Length > 0)
{
sb.Append(" \r\nWHERE ").Append(sbnav.Remove(0, 5));
}
if (string.IsNullOrEmpty(_groupby) == false)
{
sb.Append(_groupby);
@ -116,51 +126,51 @@ namespace FreeSql.Oracle.Curd
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8>(_orm, _commonUtils, _commonExpression, null); OracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>(_orm, _commonUtils, _commonExpression, null); OracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(_orm, _commonUtils, _commonExpression, null); OracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2> : FreeSql.Internal.CommonProvider.Select2Provider<T1, T2> where T1 : class where T2 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3> : FreeSql.Internal.CommonProvider.Select3Provider<T1, T2, T3> where T1 : class where T2 : class where T3 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4> : FreeSql.Internal.CommonProvider.Select4Provider<T1, T2, T3, T4> where T1 : class where T2 : class where T3 : class where T4 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5> : FreeSql.Internal.CommonProvider.Select5Provider<T1, T2, T3, T4, T5> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6> : FreeSql.Internal.CommonProvider.Select6Provider<T1, T2, T3, T4, T5, T6> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7> : FreeSql.Internal.CommonProvider.Select7Provider<T1, T2, T3, T4, T5, T6, T7> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8> : FreeSql.Internal.CommonProvider.Select8Provider<T1, T2, T3, T4, T5, T6, T7, T8> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : FreeSql.Internal.CommonProvider.Select9Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : FreeSql.Internal.CommonProvider.Select10Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _orm);
public override string ToSql(string field = null) => OracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, TableRuleInvoke, _whereCascadeExpression, _orm);
}
}