protected virtual void Generate([NotNull] RestartSequenceOperation operation, [NotNull] IndentedStringBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder.AppendLine(".RestartSequence(");
using (builder.Indent())
{
builder
.Append("name: ")
.Append(_code.Literal(operation.Name));
if (operation.Schema != null)
{
builder
.AppendLine(",")
.Append("schema: ")
.Append(_code.Literal(operation.Schema));
}
builder
.AppendLine(",")
.Append("with: ")
.Append(_code.Literal(operation.RestartWith))
.Append(")");
Annotations(operation.Annotations, builder);
}
}
protected override void Generate(RestartSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
{
builder.Append("ALTER SEQUENCE ");
builder.Append(Dependencies.SqlGenerationHelper.DelimitIdentifier(operation.Name, operation.Schema));
builder.Append(" START WITH ");
builder.Append(operation.StartValue.ToString(CultureInfo.InvariantCulture));
TerminateStatement(builder);
}
public async Task RestartSequence()
{
var operation = new RestartSequenceOperation()
{
Name = "MySequence",
StartValue = 23,
};
var batch = await Generate(new[] { operation });
Assert.AreEqual(1, batch.Count());
Assert.AreEqual(NewLineEnd(@"ALTER SEQUENCE ""MySequence"" START WITH 23;"), batch[0].CommandText);
}
public virtual void Generate(
[NotNull] RestartSequenceOperation operation,
[CanBeNull] IModel model,
[NotNull] SqlBatchBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.Append("ALTER SEQUENCE ")
.Append(_sql.DelimitIdentifier(operation.Name, operation.Schema))
.Append(" RESTART WITH ")
.Append(_sql.GenerateLiteral(operation.RestartWith));
}
protected virtual void Generate(
[NotNull] RestartSequenceOperation operation,
[CanBeNull] IModel model,
[NotNull] RelationalCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.Append("ALTER SEQUENCE ")
.Append(SqlGenerator.DelimitIdentifier(operation.Name, operation.Schema))
.Append(" RESTART WITH ")
.Append(SqlGenerator.GenerateLiteral(operation.StartValue));
}
public virtual OperationBuilder <RestartSequenceOperation> RestartSequence(string name, long startValue = 1L, string schema = null)
{
Check.NotEmpty(name, nameof(name));
var operation = new RestartSequenceOperation
{
Name = name,
Schema = schema,
StartValue = startValue
};
Operations.Add(operation);
return(new OperationBuilder <RestartSequenceOperation>(operation));
}
/// <summary>
/// 重新计算序列号。
/// </summary>
/// <param name="operation">操作实例。</param>
/// <param name="builder"><see cref="MigrationCommandListBuilder"/>实例对象。</param>
protected virtual void Generate(
[NotNull] RestartSequenceOperation operation,
[NotNull] MigrationCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.Append("ALTER SEQUENCE ")
.Append(SqlHelper.DelimitIdentifier(operation.Name, operation.Schema))
.Append(" RESTART WITH ")
.Append(SqlHelper.EscapeLiteral(operation.StartValue))
.AppendLine(SqlHelper.StatementTerminator);
EndStatement(builder);
}
/// <summary>
/// Builds commands for the given <see cref="RestartSequenceOperation" /> by making calls on the given
/// <see cref="MigrationCommandListBuilder" />, and then terminates the final command.
/// </summary>
/// <param name="operation"> The operation. </param>
/// <param name="model"> The target model which may be <c>null</c> if the operations exist without a model. </param>
/// <param name="builder"> The command builder to use to build the commands. </param>
protected override void Generate(
RestartSequenceOperation operation,
IModel model,
MigrationCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.Append("ALTER SEQUENCE ")
.Append(Dependencies.SqlGenerationHelper.DelimitIdentifier(operation.Name, operation.Schema))
.Append(" RESTART WITH ")
.Append(IntegerConstant(operation.StartValue))
.AppendLine(Dependencies.SqlGenerationHelper.StatementTerminator);
EndStatement(builder);
}
public virtual OperationBuilder <RestartSequenceOperation> RestartSequence(
[NotNull] string name,
long with,
[CanBeNull] string schema = null)
{
Check.NotEmpty(name, nameof(name));
var operation = new RestartSequenceOperation
{
Name = name,
Schema = schema,
RestartWith = with
};
Operations.Add(operation);
return(new OperationBuilder <RestartSequenceOperation>(operation));
}
protected virtual void Generate(
[NotNull] RestartSequenceOperation operation,
[CanBeNull] IModel model,
[NotNull] MigrationCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
var longTypeMapping = Dependencies.TypeMapper.GetMapping(typeof(long));
builder
.Append("ALTER SEQUENCE ")
.Append(Dependencies.SqlGenerationHelper.DelimitIdentifier(operation.Name, operation.Schema))
.Append(" RESTART WITH ")
.Append(longTypeMapping.GenerateSqlLiteral(operation.StartValue))
.AppendLine(Dependencies.SqlGenerationHelper.StatementTerminator);
EndStatement(builder);
}
// SQLite does not have sequences
protected override void Generate(RestartSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
{
throw new NotSupportedException(SqliteStrings.SequencesNotSupported);
}
// JET does not have sequences
protected override void Generate(RestartSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
{
throw new NotSupportedException("JET does not support sequences");
}
protected override void Generate(RestartSequenceOperation operation, IModel model, MigrationCommandListBuilder builder)
{
throw new NotSupportedException(string.Format(NotSupported, operation.GetType().Name));
}
// SQLite does not have sequences
protected override void Generate(RestartSequenceOperation operation, IModel model, SqlBatchBuilder builder)
{
throw new NotSupportedException(Strings.SequencesNotSupported);
}
protected override void Generate(RestartSequenceOperation operation, IModel model, RelationalCommandListBuilder builder)
{
throw new NotSupportedException("SQL Server Compact does not support sequences.");
}