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- 优化 Firebird CodeFirst 迁移代码；

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This commit is contained in:
2881099
2023-02-07 19:09:32 +08:00
parent 19d37a1347
commit b5c62ebb7c
3 changed files with 250 additions and 233 deletions
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15
Providers/FreeSql.Provider.Firebird/FirebirdCodeFirst.cs
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@@ -237,27 +237,32 @@ order by a.rdb$relation_name, a.rdb$field_position", tboldname ?? tbname);
select
trim(c.rdb$field_name),
trim(d.rdb$index_name),
0,
coalesce(d.rdb$index_type, 0),
case when d.rdb$unique_flag = 1 then 1 else 0 end
from rdb$indices d
inner join rdb$index_segments c on c.rdb$index_name = d.rdb$index_name
where d.rdb$index_type = 0 and trim(d.rdb$relation_name) = {0}", tboldname ?? tbname);
where trim(d.rdb$relation_name) = {0}", 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 ukname = ReplaceIndexName(uk.Name, tbname);
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], ukname, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Columns.Length || dsukfind1.Where(a => (a[3] == "1") == uk.IsUnique && uk.Columns.Where(b => 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 => (a[3] == "1") == uk.IsUnique && uk.Columns.Where(b => string.Compare(b.Column.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Columns.Length ||
dsukfind1.Any(a => a[2] == "1") && !uk.Columns.Any(a => a.IsDesc))
{
if (dsukfind1.Any()) sb.Append("DROP INDEX ").Append(_commonUtils.QuoteSqlName(ukname)).Append(" ON ").Append(_commonUtils.QuoteSqlName(tbname)).Append(";\r\n");
if (dsukfind1.Any()) sb.Append("DROP INDEX ").Append(_commonUtils.QuoteSqlName(ukname))
//.Append(" ON ").Append(_commonUtils.QuoteSqlName(tbname))
.Append(";\r\n");
sb.Append("CREATE ");
if (uk.IsUnique) sb.Append("UNIQUE ");
if (uk.Columns.Any(a => a.IsDesc)) sb.Append("DESC ");
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ukname)).Append(" ON ").Append(_commonUtils.QuoteSqlName(tbname)).Append("(");
foreach (var tbcol in uk.Columns)
{
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
if (tbcol.IsDesc) sb.Append(" DESC");
//if (tbcol.IsDesc) sb.Append(" DESC");
sb.Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(");\r\n");