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- 优化 兼容 pgsql 9.4 CodeFirst/DbFirst；

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This commit is contained in:
28810
2020-06-11 21:08:25 +08:00
parent 117ef11274
commit 40941e9b7c
5 changed files with 44 additions and 26 deletions
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14
Providers/FreeSql.Provider.PostgreSQL/PostgreSQLCodeFirst.cs
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@ -119,6 +119,12 @@ namespace FreeSql.PostgreSQL
var sb = new StringBuilder();
var seqcols = new List<(ColumnInfo, string[], bool)>(); //序列
var is96 = true;
using (var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5)))
{
is96 = PostgreSQLDbFirst.PgVersionIs96(conn.Value.ServerVersion);
}
foreach (var obj in objects)
{
if (sb.Length > 0) sb.Append("\r\n");
@ -297,24 +303,24 @@ where ns.nspname = {0} and c.relname = {1}", tboldname ?? tbname);
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment)).Append(";\r\n");
}
var dsuksql = _commonUtils.FormatSql(@"
var dsuksql = _commonUtils.FormatSql($@"
select
c.attname,
b.relname,
case when pg_index_column_has_property(b.oid, c.attnum, 'desc') = 't' then 1 else 0 end IsDesc,
{(is96 ? "case when pg_index_column_has_property(b.oid, c.attnum, 'desc') = 't' then 1 else 0 end" : "0")} IsDesc,
case when indisunique = 't' then 1 else 0 end IsUnique
from pg_index a
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 in ({0}) and d.relname in ({1}) and a.indisprimary = 'f'", tboldname ?? tbname);
where ns.nspname in ({{0}}) and d.relname in ({{1}}) and a.indisprimary = 'f'", tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]), string.Concat(a[2]), string.Concat(a[3]) });
foreach (var uk in tb.Indexes)
{
if (string.IsNullOrEmpty(uk.Name) || uk.Columns.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Name, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Columns.Length || dsukfind1.Where(a => uk.Columns.Where(b => (a[3] == "1") == uk.IsUnique && string.Compare(b.Column.Attribute.Name, a[0], true) == 0 && (a[2] == "1") == b.IsDesc).Any()).Count() != uk.Columns.Length)
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Columns.Length || dsukfind1.Where(a => uk.Columns.Where(b => (a[3] == "1") == uk.IsUnique && string.Compare(b.Column.Attribute.Name, a[0], true) == 0 && ((a[2] == "1") == b.IsDesc || is96 == false)).Any()).Count() != uk.Columns.Length)
{
if (dsukfind1.Any()) sbalter.Append("DROP INDEX ").Append(_commonUtils.QuoteSqlName(uk.Name)).Append(";\r\n");
sbalter.Append("CREATE ");