opt_explain_json_namespace::table_with_where_and_derived Class Reference

Inheritance diagram for opt_explain_json_namespace::table_with_where_and_derived:

List of all members.

Public Member Functions
	table_with_where_and_derived (Explain_context_enum type_arg, const char *name_arg, context *parent_arg)
virtual size_t	id (bool hide)
virtual bool	format_where (Opt_trace_context *json)
	Helper function to format output for associated WHERE subqueries if any.
virtual bool	format_derived (Opt_trace_context *json)
	Helper function to format output for derived subquery if any.
Protected Attributes
List< subquery_ctx >	where_subqueries
	associated WHERE clause subqueries

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Detailed Description

Common part of CTX_JOIN_TAB and CTX_MESSAGE nodes

This class implements functionality for WHERE and derived subqueries that are associated with the table node.

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Member Function Documentation

virtual size_t opt_explain_json_namespace::table_with_where_and_derived::id

(

bool

hide

)

[inline, virtual]

Analogue of the "id" column in the traditional EXPLAIN output

Parameters:

hide	if true, ban the output of K_SELECT_ID JSON property in the underlying table_with_where_and_derived_ctx objects

Returns:

"Select number" that is associated with this node

Reimplemented from opt_explain_json_namespace::table_base_ctx.

Reimplemented in opt_explain_json_namespace::join_tab_ctx, and opt_explain_json_namespace::message_ctx.

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The documentation for this class was generated from the following file:

• opt_explain_json.cc