Use alter and rename commands when migrating primary key constraint n…

…ames
JasperFx · Oct 24, 2021 · 5a73995 · 5a73995
1 parent 2527dea
commit 5a73995
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/Weasel.Postgresql/Tables/TableDelta.cs b/src/Weasel.Postgresql/Tables/TableDelta.cs
@@ -113,6 +113,12 @@ public override void WriteUpdate(DdlRules rules, TextWriter writer)
             {
                 case SchemaPatchDifference.Invalid:
                 case SchemaPatchDifference.Update:
+                    if (Expected.PrimaryKeyColumns.SequenceEqual(Actual?.PrimaryKeyColumns))
+                    {
+                        //for when PK constraint name changes only
+                        writer.WriteLine($"alter table {Expected.Identifier} rename constraint {Actual!.PrimaryKeyName} to {Expected.PrimaryKeyName};");
+                        break;
+                    }
                     writer.WriteLine($"alter table {Expected.Identifier} drop constraint {Actual!.PrimaryKeyName};");
                     writer.WriteLine($"alter table {Expected.Identifier} add {Expected.PrimaryKeyDeclaration()};");
                     break;