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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.Odbc/PostgreSQL/OdbcPostgreSQLDbFirst.cs
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@@ -5,6 +5,7 @@ using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.PostgreSQL
@@ -147,8 +148,10 @@ and b.nspname || '.' || a.relname not in ('public.geography_columns','public.geo
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 (object[] row in ds)
{
var object_id = string.Concat(row[0]);
@@ -162,16 +165,40 @@ and b.nspname || '.' || a.relname not in ('public.geography_columns','public.geo
{
case DbTableType.VIEW:
case DbTableType.TABLE:
loc6.Add(object_id);
loc6_1000.Add(object_id);
if (loc6_1000.Count >= 500)
{
loc6.Add(loc6_1000.ToArray());
loc6_1000.Clear();
}
break;
case DbTableType.StoreProcedure:
loc66.Add(object_id);
loc66_1000.Add(object_id);
if (loc66_1000.Count >= 500)
{
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;
string loc8 = "'" + string.Join("','", loc6.ToArray()) + "'";
string 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 = $@"
select
@@ -196,7 +223,7 @@ left join pg_description d on d.objoid = a.attrelid and d.objsubid = a.attnum
left join pg_attrdef e on e.adrelid = a.attrelid and e.adnum = a.attnum
inner join pg_namespace ns on ns.oid = c.relnamespace
inner join pg_namespace ns2 on ns2.oid = t.typnamespace
where ns.nspname || '.' || c.relname in ({loc8})";
where {loc8.ToString().Replace("a.table_name", "ns.nspname || '.' || c.relname")}";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
@@ -259,7 +286,7 @@ inner join pg_class b on b.oid = a.indexrelid
inner join pg_attribute c on c.attnum > 0 and c.attrelid = b.oid
inner join pg_namespace ns on ns.oid = b.relnamespace
inner join pg_class d on d.oid = a.indrelid
where ns.nspname || '.' || d.relname in ({loc8}) and a.indisprimary = 'f'
where {loc8.ToString().Replace("a.table_name", "ns.nspname || '.' || d.relname")} and a.indisprimary = 'f'
";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
@@ -335,7 +362,7 @@ inner join pg_class b on b.oid = a.conrelid
inner join pg_class c on c.oid = a.confrelid
inner join pg_namespace ns on ns.oid = b.relnamespace
inner join pg_namespace ns2 on ns2.oid = c.relnamespace
where ns.nspname || '.' || b.relname in ({loc8})
where {loc8.ToString().Replace("a.table_name", "ns.nspname || '.' || b.relname")}
";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;