internal ColumnDefNode CreateColumnDefNode()
{
var ret = new ColumnDefNode {
ColumnName = this.ColumnName, ColumnConstraints = new List <ColumnConstraintNode>()
};
//dialect converts DbType.Int16-64 to "INT" not "INTEGER" and only INTEGER columns can be autoincremented. This fixes that.
string correctType = this.IsIdentity ? "INTEGER" : this.DbType;
ret.TypeNameNode = SQLiteParseVisitor.ParseString <TypeNameNode>(correctType, i => i.type_name());
//not quite right but should work
if (this.IsIdentity || this.IsPrimaryKey)
{
var primKey = new PrimaryKeyConstraintNode();
if (this.IsIdentity)
{
primKey.AutoIncrement = true;
}
ret.ColumnConstraints.Add(primKey);
}
if (this.Default != null)
{
ret.ColumnConstraints.Add(new DefaultConstraintNode {
Value = DbUtils.ConvertToSqlValue(Default)
});
}
if (this.IsNotNull)
{
ret.ColumnConstraints.Add(new NotNullConstraintNode());
}
else if (this.Default == null && !this.IsPrimaryKey && !this.IsUnique)
{
ret.ColumnConstraints.Add(new DefaultConstraintNode {
Value = "NULL"
});
}
if (this.IsUnique)
{
ret.ColumnConstraints.Add(new UniqueConstraintNode());
}
return(ret);
}
public StringBuilder Visit(PrimaryKeyConstraintNode primaryKeyColumnConstraintNode)
{
var sb = new StringBuilder();
sb.Append("PRIMARY KEY ");
if (primaryKeyColumnConstraintNode.Order != null)
{
sb.Append(primaryKeyColumnConstraintNode.Order.Value.ToString());
sb.Append(" ");
}
if (primaryKeyColumnConstraintNode.ConflictClause != null)
{
sb.Append(primaryKeyColumnConstraintNode.ConflictClause.Accept(this));
}
if (primaryKeyColumnConstraintNode.AutoIncrement)
{
sb.Append(" AUTOINCREMENT");
}
return(sb);
}
public override SQLiteParseTreeNode VisitColumn_constraint__postfix(SQLiteParserSimpleParser.Column_constraint__postfixContext context)
{
if (context.NOT() != null)
{
return(new NotNullConstraintNode(context)
{
ConflictClause = context.conflict_clause().Accept(this) as ConflictClauseNode
});
}
if (context.PRIMARY() != null)
{
var ret = new PrimaryKeyConstraintNode(context);
if (context.ASC() != null)
{
ret.Order = SortOrder.Asc;
}
else if (context.DESC() != null)
{
ret.Order = SortOrder.Desc;
}
ret.ConflictClause = context.conflict_clause().Accept(this) as ConflictClauseNode;
if (context.AUTOINCREMENT() != null)
{
ret.AutoIncrement = true;
}
return(ret);
}
if (context.UNIQUE() != null)
{
return(new UniqueConstraintNode(context)
{
ConflictClause = context.conflict_clause().Accept(this) as ConflictClauseNode
});
}
if (context.CHECK_C() != null)
{
return(new CheckConstraintNode(context)
{
Expr = context.expr().GetText()
});
}
if (context.DEFAULT() != null)
{
var ret = new DefaultConstraintNode(context);
if (context.signed_number() != null)
{
ret.Value = context.signed_number().GetText();
}
else if (context.literal_value() != null)
{
ret.Value = context.literal_value().GetText();
}
else if (context.expr() != null)
{
ret.Value = "( " + context.expr().GetText() + " )";
}
return(ret);
}
if (context.NULL() != null)
{
//it's a default null but sqlite allows it and says it's null
var ret = new DefaultConstraintNode(context)
{
Value = "NULL"
};
return(ret);
}
if (context.COLLATE() != null)
{
return(new CollateConstraintNode(context)
{
CollationName = context.collation_name().GetText()
});
}
if (context.foreign_key_clause() != null)
{
return(context.foreign_key_clause().Accept(this) as ColumnConstraintNode);
}
throw new Exception("we should never get here.");
}
