1#ifndef DBA_DB_V7_QBUILDER_H
2#define DBA_DB_V7_QBUILDER_H
5#include <dballe/db/v7/db.h>
6#include <dballe/core/query.h>
21 std::shared_ptr<v7::Transaction>
tr;
31 bool select_station =
false;
33 bool select_varinfo =
false;
36 bool select_data_id =
false;
39 bool select_data =
false;
42 bool select_summary_details =
false;
69 bool add_pa_where(
const char*
tbl);
70 bool add_dt_where(
const char*
tbl);
71 bool add_ltr_where(
const char*
tbl);
72 bool add_varcode_where(
const char*
tbl);
73 bool add_repinfo_where(
const char*
tbl);
74 bool add_datafilter_where(
const char*
tbl);
76 virtual void build_select() = 0;
77 virtual bool build_where() = 0;
78 virtual void build_order_by() = 0;
86 void build_select()
override;
87 bool build_where()
override;
88 void build_order_by()
override;
110 void build_select()
override;
111 bool build_where()
override;
112 void build_order_by()
override;
120 void build_select()
override;
121 void build_order_by()
override;
129 void build_select()
override;
130 void build_order_by()
override;
Smart pointer for trace::Step objects, which calls done() when going out of scope.
Definition db/v7/fwd.h:46
Buffer used to build SQL queries.
Match a variable code and value.
Definition varmatch.h:13
Standard dballe::Query implementation.
Definition core/query.h:35
Varmatch * attr_filter
Attribute filter, if requested.
Definition qbuilder.h:94
bool query_attrs
True if we also query attributes of data.
Definition qbuilder.h:97
bool match_attrs(const wreport::Var &var) const
Match the attributes of var against attr_filter.
bool select_attrs
True if the select includes the attrs field.
Definition qbuilder.h:100
Definition qbuilder.h:116
Build SQL queries for V7 databases.
Definition qbuilder.h:17
dballe::sql::Querybuf sql_query
Dynamically generated SQL query.
Definition qbuilder.h:48
const char * bind_in_ident
If defined, it need to point to the identifier to be used as the only bound input parameter.
Definition qbuilder.h:29
std::shared_ptr< v7::Transaction > tr
Database to operate on.
Definition qbuilder.h:21
dballe::sql::Querybuf sql_from
FROM part of the SQL query.
Definition qbuilder.h:51
bool query_station_vars
True if we are querying station information, rather than measured data.
Definition qbuilder.h:60
dballe::sql::Querybuf sql_where
WHERE part of the SQL query.
Definition qbuilder.h:54
const core::Query & query
Query object.
Definition qbuilder.h:45
const unsigned int modifiers
Modifier flags to enable special query behaviours.
Definition qbuilder.h:57
Definition qbuilder.h:125
String buffer for composing database queries.
Definition querybuf.h:16