public void AppendConstraint(AST.Table.AstTableKeyBaseNode keyBase)
{
if (keyBase is AST.Table.AstTablePrimaryKeyNode || keyBase is AST.Table.AstTableIdentityNode)
{
AppendConstraintBase(keyBase, "PRIMARY KEY", String.Empty);
}
else
{
AppendConstraintBase(keyBase, String.Empty, keyBase.Unique ? "UNIQUE " : " ");
}
}
private static string BuildKeys(AST.Table.AstTableKeyBaseNode keyBase)
{
var keyBuilder = new StringBuilder();
foreach (AST.Table.AstTableKeyColumnNode columnNode in keyBase.Columns)
{
ColumnsTSqlEmitter.CheckAndAppendSeparator(",", keyBuilder);
keyBuilder.AppendFormat(CultureInfo.InvariantCulture, "[{0}] {1}", columnNode.Column.Name, columnNode.SortOrder);
}
return(keyBuilder.ToString());
}
private void AppendConstraintBase(AST.Table.AstTableKeyBaseNode constraint, string primaryKeyString, string unique)
{
string clustered = constraint.Clustered ? "CLUSTERED" : "NONCLUSTERED";
string ignoreDupKey = constraint.IgnoreDupKey ? "IGNORE_DUP_KEY = ON" : "IGNORE_DUP_KEY = OFF";
string padIndex = constraint.PadIndex ? "PAD_INDEX = ON" : "PAD_INDEX = OFF";
string keys = BuildKeys(constraint);
var te = new TemplatePlatformEmitter("ConstraintTemplate", String.Format(CultureInfo.InvariantCulture, "[{0}]", constraint.Name), unique + clustered, keys, "WITH(" + padIndex + "," + ignoreDupKey + ")", primaryKeyString);
_constraintKeyBuilder.Append("," + te.Emit());
_constraintKeyBuilder.AppendFormat(CultureInfo.InvariantCulture, "\n");
}
