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- 优化 pgsql DbFirst 序列的识别，以及 pgsql10 的自增识别；

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This commit is contained in:
28810
2020-08-02 20:00:39 +08:00
parent 552926dd96
commit 51c6a733bc
11 changed files with 78 additions and 10 deletions
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27
Providers/FreeSql.Provider.PostgreSQL/PostgreSQLDbFirst.cs
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@ -29,6 +29,28 @@ namespace FreeSql.PostgreSQL
_commonExpression = commonExpression;
}
public bool IsPg10 => ServerVersion >= 10;
public int ServerVersion
{
get
{
if (_ServerVersionValue == 0 && _orm.Ado.MasterPool != null)
using (var conn = _orm.Ado.MasterPool.Get())
{
try
{
_ServerVersionValue = int.Parse(conn.Value.ServerVersion.Split('.')[0]);
}
catch
{
_ServerVersionValue = 9;
}
}
return _ServerVersionValue;
}
}
int _ServerVersionValue = 0;
public int GetDbType(DbColumnInfo column) => (int)GetNpgsqlDbType(column);
NpgsqlDbType GetNpgsqlDbType(DbColumnInfo column)
{
@ -327,7 +349,7 @@ d.description as comment,
a.attndims,
case when t.typelem = 0 then t.typtype else t2.typtype end,
ns2.nspname,
a.attnum
a.attnum{(IsPg10 ? ", a.attidentity" : "")}
from pg_class c
inner join pg_attribute a on a.attnum > 0 and a.attrelid = c.oid
inner join pg_type t on t.oid = a.atttypid
@ -349,7 +371,8 @@ where {loc8.ToString().Replace("a.table_name", "ns.nspname || '.' || c.relname")
var max_length = int.Parse(string.Concat(row[3]));
var sqlType = string.Concat(row[4]);
var is_nullable = string.Concat(row[5]) == "1";
var is_identity = string.Concat(row[6]).StartsWith(@"nextval('") && string.Concat(row[6]).EndsWith(@"'::regclass)");
var is_identity = string.Concat(row[6]).StartsWith(@"nextval('") && (string.Concat(row[6]).EndsWith(@"'::regclass)") || string.Concat(row[6]).EndsWith(@"')"))
|| IsPg10 && new[] { "a", "d" }.Contains(string.Concat(row[12])); //pg10 GENERATED { BY DEFAULT | AWAYS } AS IDENTITY
var comment = string.Concat(row[7]);
var defaultValue = string.Concat(row[6]);
int attndims = int.Parse(string.Concat(row[8]));