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- 修复 DbFirst 当表数量过大时(如 oracle 表数量大于 1000)，可能报错的 bug；

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This commit is contained in:
28810
2019-10-08 23:58:10 +08:00
parent dde6562ef8
commit 47b8cd6d9a
8 changed files with 306 additions and 76 deletions
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45
Providers/FreeSql.Provider.Oracle/OracleDbFirst.cs
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@ -6,6 +6,7 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Oracle
@ -191,8 +192,10 @@ where a.owner in ({0})", databaseIn);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var loc6 = new List<string>();
var loc66 = new List<string>();
var loc6 = new List<string[]>();
var loc66 = new List<string[]>();
var loc6_1000 = new List<string>();
var loc66_1000 = new List<string>();
foreach (var row in ds)
{
var table_id = string.Concat(row[0]);
@ -211,16 +214,40 @@ where a.owner in ({0})", databaseIn);
{
case DbTableType.TABLE:
case DbTableType.VIEW:
loc6.Add(table.Replace("'", "''"));
loc6_1000.Add(table.Replace("'", "''"));
if (loc6_1000.Count >= 999)
{
loc6.Add(loc6_1000.ToArray());
loc6_1000.Clear();
}
break;
case DbTableType.StoreProcedure:
loc66.Add(table.Replace("'", "''"));
loc66_1000.Add(table.Replace("'", "''"));
if (loc66_1000.Count >= 999)
{
loc66.Add(loc66_1000.ToArray());
loc66_1000.Clear();
}
break;
}
}
if (loc6_1000.Count > 0) loc6.Add(loc6_1000.ToArray());
if (loc66_1000.Count > 0) loc66.Add(loc66_1000.ToArray());
if (loc6.Count == 0) return loc1;
var loc8 = "'" + string.Join("','", loc6.ToArray()) + "'";
var loc88 = "'" + string.Join("','", loc66.ToArray()) + "'";
var loc8 = new StringBuilder().Append("(");
for (var loc8idx = 0; loc8idx < loc6.Count; loc8idx++)
{
if (loc8idx > 0) loc8.Append(" OR ");
loc8.Append("a.table_name in (");
for (var loc8idx2 = 0; loc8idx2 < loc6[loc8idx].Length; loc8idx2++)
{
if (loc8idx2 > 0) loc8.Append(",");
loc8.Append($"'{loc6[loc8idx][loc8idx2]}'");
}
loc8.Append(")");
}
loc8.Append(")");
sql = string.Format(@"
select
@ -236,7 +263,7 @@ nvl((select 1 from user_sequences where upper(sequence_name)=upper(a.table_name|
b.comments
from all_tab_cols a
left join all_col_comments b on b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name
where a.owner in ({1}) and a.table_name in ({0})
where a.owner in ({1}) and {0}
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
@ -303,7 +330,7 @@ all_ind_columns c
where a.index_name = c.index_name
and a.table_owner = c.table_owner
and a.table_name = c.table_name
and a.table_owner in ({1}) and a.table_name in ({0})
and a.table_owner in ({1}) and {0}
and not exists(select 1 from all_constraints where constraint_name = a.index_name and constraint_type = 'P')
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
@ -390,7 +417,7 @@ and a.owner = c.owner 　　
and a.table_name = c.table_name 　　
and b.owner = d.owner 　　
and b.table_name = d.table_name
and a.owner in ({1}) and a.table_name in ({0})
and a.owner in ({1}) and {0}
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;