protected SqlNode Visit(SqlNode node)
{
switch (node.NodeType)
{
case SqlNodeType.SqlLiteral:
return(this.VisitSqlLiteral(node as SqlLiteral));
case SqlNodeType.SqlSelect:
return(this.VisitSqlSelect(node as SqlSelect));
case SqlNodeType.SqlColumn:
return(this.VisitSqlColumn(node as SqlColumn));
case SqlNodeType.SqlTable:
return(this.VisitSqlTable(node as SqlTable));
case SqlNodeType.SqlColumnConstraint:
return(this.VisitSqlColumnConstraint(node as SqlColumnConstraint));
case SqlNodeType.SqlBinaryConstraint:
return(this.VisitSqlBinaryConstraint(node as SqlBinaryConstraint));
case SqlNodeType.SqlJoin:
return(this.VisitSqlJoin(node as SqlJoin));
case SqlNodeType.SqlArray:
return(this.VisitSqlArray(node as SqlArray));
case SqlNodeType.SqlSelectAll:
return(this.VisitSqlSelectAll(node as SqlSelectAll));
case SqlNodeType.SqlColumnsComparisonConstraint:
return(this.VisitSqlColumnsComparisonConstraint(node as SqlColumnsComparisonConstraint));
case SqlNodeType.SqlExistsConstraint:
return(this.VisitSqlExistsConstraint(node as SqlExistsConstraint));
case SqlNodeType.SqlNotConstraint:
return(this.VisitSqlNotConstraint(node as SqlNotConstraint));
case SqlNodeType.SqlSubSelect:
return(this.VisitSqlSubSelect(node as SqlSubSelect));
case SqlNodeType.SqlOrderBy:
return(this.VisitSqlOrderBy(node as SqlOrderBy));
default:
break;
}
throw new NotImplementedException();
}
protected SqlNode Visit(SqlNode node)
{
switch (node.NodeType)
{
case SqlNodeType.SqlLiteral:
return this.VisitSqlLiteral(node as SqlLiteral);
case SqlNodeType.SqlSelect:
return this.VisitSqlSelect(node as SqlSelect);
case SqlNodeType.SqlColumn:
return this.VisitSqlColumn(node as SqlColumn);
case SqlNodeType.SqlTable:
return this.VisitSqlTable(node as SqlTable);
case SqlNodeType.SqlColumnConstraint:
return this.VisitSqlColumnConstraint(node as SqlColumnConstraint);
case SqlNodeType.SqlBinaryConstraint:
return this.VisitSqlBinaryConstraint(node as SqlBinaryConstraint);
case SqlNodeType.SqlJoin:
return this.VisitSqlJoin(node as SqlJoin);
case SqlNodeType.SqlArray:
return this.VisitSqlArray(node as SqlArray);
case SqlNodeType.SqlSelectAll:
return this.VisitSqlSelectAll(node as SqlSelectAll);
case SqlNodeType.SqlColumnsComparisonConstraint:
return this.VisitSqlColumnsComparisonConstraint(node as SqlColumnsComparisonConstraint);
case SqlNodeType.SqlExistsConstraint:
return this.VisitSqlExistsConstraint(node as SqlExistsConstraint);
case SqlNodeType.SqlNotConstraint:
return this.VisitSqlNotConstraint(node as SqlNotConstraint);
case SqlNodeType.SqlSubSelect:
return this.VisitSqlSubSelect(node as SqlSubSelect);
case SqlNodeType.SqlOrderBy:
return this.VisitSqlOrderBy(node as SqlOrderBy);
default:
break;
}
throw new NotImplementedException();
}
/// <summary>
/// 访问 sql 语法树中的每一个结点，并生成相应的 Sql 语句。
/// </summary>
/// <param name="tree">The tree.</param>
public void Generate(SqlNode tree)
{
base.Visit(tree);
}
