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Fix to #25511 - Temporal Tables: The given key 'SqlServer:TemporalHistoryTableName' was not present in the dictionary when creating migration on entity mapped to temporal table without explicitly providing history table name #25512

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merged 1 commit into from
Aug 14, 2021
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Fix to #25511 - Temporal Tables: The given key 'SqlServer:TemporalHistoryTableName' was not present in the dictionary when creating migration on entity mapped to temporal table without explicitly providing history table name #25512

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5 changes: 4 additions & 1 deletion src/EFCore.SqlServer/Design/Internal/SqlServerAnnotationCodeGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -189,7 +189,10 @@ public override IReadOnlyList<MethodCallCodeFragment> GenerateFluentApiCalls(
if (annotations.TryGetValue(SqlServerAnnotationNames.IsTemporal, out var isTemporalAnnotation)
&& isTemporalAnnotation.Value as bool? == true)
{
var historyTableName = annotations[SqlServerAnnotationNames.TemporalHistoryTableName].Value as string;
var historyTableName = annotations.ContainsKey(SqlServerAnnotationNames.TemporalHistoryTableName)
? annotations[SqlServerAnnotationNames.TemporalHistoryTableName].Value as string
: null;

var historyTableSchema = annotations.ContainsKey(SqlServerAnnotationNames.TemporalHistoryTableSchema)
? annotations[SqlServerAnnotationNames.TemporalHistoryTableSchema].Value as string
: null;
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56 changes: 56 additions & 0 deletions test/EFCore.Design.Tests/Migrations/ModelSnapshotSqlServerTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1901,6 +1901,62 @@ public virtual void Temporal_table_information_is_stored_in_snapshot()
});
}

[ConditionalFact]
public virtual void Temporal_table_information_is_stored_in_snapshot_minimal_setup()
{
Test(
builder => builder.Entity<EntityWithStringProperty>().ToTable(tb => tb.IsTemporal()),
AddBoilerPlate(
GetHeading()
+ @"
modelBuilder.Entity(""Microsoft.EntityFrameworkCore.Migrations.ModelSnapshotSqlServerTest+EntityWithStringProperty"", b =>
{
b.Property<int>(""Id"")
.ValueGeneratedOnAdd()
.HasColumnType(""int"");

SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>(""Id""), 1L, 1);

b.Property<string>(""Name"")
.HasColumnType(""nvarchar(max)"");

b.Property<DateTime>(""PeriodEnd"")
.ValueGeneratedOnAddOrUpdate()
.HasColumnType(""datetime2"")
.HasColumnName(""PeriodEnd"");

b.Property<DateTime>(""PeriodStart"")
.ValueGeneratedOnAddOrUpdate()
.HasColumnType(""datetime2"")
.HasColumnName(""PeriodStart"");

b.HasKey(""Id"");

b.ToTable(""EntityWithStringProperty"");

b.ToTable(tb => tb.IsTemporal(ttb =>
{
ttb
.HasPeriodStart(""PeriodStart"")
.HasColumnName(""PeriodStart"");
ttb
.HasPeriodEnd(""PeriodEnd"")
.HasColumnName(""PeriodEnd"");
}
));
});", usingSystem: true),
o =>
{
var temporalEntity = o.FindEntityType("Microsoft.EntityFrameworkCore.Migrations.ModelSnapshotSqlServerTest+EntityWithStringProperty");
var annotations = temporalEntity.GetAnnotations().ToList();

Assert.Equal(5, annotations.Count);
Assert.Contains(annotations, a => a.Name == SqlServerAnnotationNames.IsTemporal && a.Value as bool? == true);
Assert.Contains(annotations, a => a.Name == SqlServerAnnotationNames.TemporalPeriodStartPropertyName && a.Value as string == "PeriodStart");
Assert.Contains(annotations, a => a.Name == SqlServerAnnotationNames.TemporalPeriodEndPropertyName && a.Value as string == "PeriodEnd");
});
}

#endregion

#region Owned types
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