Build SQL queries for V6 databases. More...

#include <qbuilder.h>

Inheritance diagram for dballe::db::v6::QueryBuilder:

Public Member Functions
	QueryBuilder (DB &db, const core::Query &query, unsigned int modifiers, bool query_station_vars)

void	build ()

Data Fields
Connection &	conn

DB &	db
	Database to operate on.

const char *	bind_in_ident = nullptr
	If defined, it need to point to the identifier to be used as the only bound input parameter. More...

bool	select_station = false

bool	select_varinfo = false

bool	select_data_id = false

bool	select_data = false

bool	select_summary_details = false

const core::Query &	query
	Query object.

Querybuf	sql_query
	Dynamically generated SQL query.

Querybuf	sql_from
	FROM part of the SQL query.

Querybuf	sql_where
	WHERE part of the SQL query.

const unsigned int	modifiers
	Modifier flags to enable special query behaviours.

bool	query_station_vars
	True if we are querying station information, rather than measured data.

Protected Member Functions
bool	add_pa_where (const char *tbl)

bool	add_dt_where (const char *tbl)

bool	add_ltr_where (const char *tbl)

bool	add_varcode_where (const char *tbl)

bool	add_repinfo_where (const char *tbl)

bool	add_datafilter_where (const char *tbl)

bool	add_attrfilter_where (const char *tbl)

virtual void	build_select ()=0

virtual bool	build_where ()=0

virtual void	build_order_by ()=0

Detailed Description

Build SQL queries for V6 databases.

Field Documentation

const char* dballe::db::v6::QueryBuilder::bind_in_ident = nullptr

If defined, it need to point to the identifier to be used as the only bound input parameter.

If not defined, there are no bound input parameters in this query

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