public virtual string GenerateDescriptionStatement(Expressions.CreateColumnExpression expression)
{
if (string.IsNullOrEmpty(expression.Column.ColumnDescription))
{
return(string.Empty);
}
string initialDescriptionStatement = GenerateColumnDescription(
"Description", expression.SchemaName, expression.TableName, expression.Column.Name, "Description:" + expression.Column.ColumnDescription);
if (expression.Column.AdditionalColumnDescriptions.Count == 0)
{
return(initialDescriptionStatement);
}
else
{
initialDescriptionStatement = "Description:" + expression.Column.ColumnDescription;
var descriptionsList = new List <string>
{
initialDescriptionStatement
};
descriptionsList.AddRange(from description in expression.Column.AdditionalColumnDescriptions
let newDescriptionStatement = description.Key + ":" + description.Value
select newDescriptionStatement);
return(GenerateColumnDescription("Description", expression.SchemaName, expression.TableName, expression.Column.Name, string.Join("\r\n", descriptionsList)));
}
}
public override string Generate(Expressions.CreateColumnExpression expression)
{
expression.Column.AdditionalFeatures.Add(new KeyValuePair <string, object>("IsCreateColumn", true));
return(string.Format(
"ALTER TABLE {0} ADD COLUMN {1}",
Quoter.QuoteTableName(expression.TableName, expression.SchemaName),
Column.Generate(expression.Column)));
}
public virtual string GenerateDescriptionStatement(Expressions.CreateColumnExpression expression)
{
if (string.IsNullOrEmpty(expression.Column.ColumnDescription))
{
return(string.Empty);
}
return(GenerateColumnDescription(
expression.SchemaName, expression.TableName, expression.Column.Name, expression.Column.ColumnDescription));
}
public override void Process(Expressions.CreateColumnExpression expression)
{
truncator.Truncate(expression);
CheckColumn(expression.TableName, expression.Column.Name);
LockColumn(expression.TableName, expression.Column.Name);
RegisterColumnCreation(expression.TableName, expression.Column.Name);
InternalProcess(Generator.Generate(expression));
if (expression.Column.IsIdentity)
{
CreateSequenceForIdentity(expression.TableName, expression.Column.Name);
}
/*if (FBOptions.TransactionModel == FirebirdTransactionModel.AutoCommitOnCheckFail)
* CommitRetaining();*/
if (FBOptions.TransactionModel != FirebirdTransactionModel.None)
{
CommitRetaining();
}
}
public void Process(Expressions.CreateColumnExpression expression)
{
Process(Generator.Generate(expression));
}
