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- 修复 SqlServer WithSql + WithLock bug；

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This commit is contained in:
2881099
2022-11-08 16:54:46 +08:00
parent 20efccbe2a
commit 821076035a
4 changed files with 93 additions and 20 deletions
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32
Providers/FreeSql.Provider.Odbc/SqlServer/Curd/OdbcSqlServerSelect.cs
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@@ -5,6 +5,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.SqlServer
{
@@ -63,13 +64,15 @@ namespace FreeSql.Odbc.SqlServer
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tbsfrom[a].Table.Type, tbsfrom[a].Alias) ?? tbsfrom[a].Alias);
var alias = LocalGetTableAlias(tbsfrom[a].Table.Type, tbUnion[tbsfrom[a].Table.Type], tbsfrom[a].Alias, _aliasRule);
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tbsfrom[b].Table.Type, tbsfrom[b].Alias) ?? tbsfrom[b].Alias);
alias = LocalGetTableAlias(tbsfrom[b].Table.Type, tbUnion[tbsfrom[b].Table.Type], tbsfrom[b].Alias, _aliasRule);
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
@@ -110,7 +113,8 @@ namespace FreeSql.Odbc.SqlServer
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tb.Table.Type, tb.Alias) ?? tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
var alias = LocalGetTableAlias(tb.Table.Type, tbUnion[tb.Table.Type], tb.Alias, _aliasRule);
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND ").Append(tb.Cascade);
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
@@ -165,7 +169,7 @@ namespace FreeSql.Odbc.SqlServer
if (tbUnionsIdx > 0) sb.Append("\r\n \r\nUNION ALL\r\n \r\n");
if (tbUnionsGt0) sb.Append(_select).Append(" * from (");
var tbUnion = tbUnions[tbUnionsIdx];
var sbnav = new StringBuilder();
sb.Append(_select);
if (_distinct) sb.Append("DISTINCT ");
@@ -176,13 +180,15 @@ namespace FreeSql.Odbc.SqlServer
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tbsfrom[a].Table.Type, tbsfrom[a].Alias) ?? tbsfrom[a].Alias);
var alias = LocalGetTableAlias(tbsfrom[a].Table.Type, tbUnion[tbsfrom[a].Table.Type], tbsfrom[a].Alias, _aliasRule);
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tbsfrom[b].Table.Type, tbsfrom[b].Alias) ?? tbsfrom[b].Alias);
alias = LocalGetTableAlias(tbsfrom[b].Table.Type, tbUnion[tbsfrom[b].Table.Type], tbsfrom[b].Alias, _aliasRule);
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
@@ -223,7 +229,8 @@ namespace FreeSql.Odbc.SqlServer
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(_aliasRule?.Invoke(tb.Table.Type, tb.Alias) ?? tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
var alias = LocalGetTableAlias(tb.Table.Type, tbUnion[tb.Table.Type], tb.Alias, _aliasRule);
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND ").Append(tb.Cascade);
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
@@ -271,6 +278,17 @@ namespace FreeSql.Odbc.SqlServer
}
#endregion
static string LocalGetTableAlias(Type entityType, string tbname, string alias, Func<Type, string, string> aliasRule)
{
if (aliasRule != null)
{
alias = aliasRule(entityType, alias);
if (tbname.IndexOf(' ') != -1) //还可以这样：select.AsTable((a, b) => "(select * from tb_topic where clicks > 10)").Page(1, 10).ToList()
alias = Regex.Replace(alias, @" With\([^\)]+\)", ""); //替换 WithLock、WithIndex
}
return alias;
}
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override ISelect<T1, T2> From<T2>(Expression<Func<ISelectFromExpression<T1>, T2, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3> From<T2, T3>(Expression<Func<ISelectFromExpression<T1>, T2, T3, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }