DBMI Library (base) - value management. More...

#include <stdlib.h>
#include <grass/dbmi.h>

Include dependency graph for value.c:

Functions
int	db_test_value_isnull (dbValue *value)
	Check of value is null.

int	db_get_value_int (dbValue *value)
	Get integer value.

double	db_get_value_double (dbValue *value)
	Get double precision value.

double	db_get_value_as_double (dbValue *value, int ctype)
	Get value as double.

const char *	db_get_value_string (dbValue *value)
	Get string value.

int	db_get_value_year (dbValue *value)
	Get year value.

int	db_get_value_month (dbValue *value)
	Get month value.

int	db_get_value_day (dbValue *value)
	Get day value.

int	db_get_value_hour (dbValue *value)
	Get hour value.

int	db_get_value_minute (dbValue *value)
	Get minute value.

double	db_get_value_seconds (dbValue *value)
	Get seconds value.

void	db_set_value_null (dbValue *value)
	Set value to null.

void	db_set_value_not_null (dbValue *value)
	Set value to not null.

void	db_set_value_int (dbValue *value, int i)
	Set integer value.

void	db_set_value_double (dbValue *value, double d)
	Set double precision value.

int	db_set_value_string (dbValue value, const char s)
	Set string value.

void	db_set_value_year (dbValue *value, int year)
	Set year value.

void	db_set_value_month (dbValue *value, int month)
	Set month value.

void	db_set_value_day (dbValue *value, int day)
	Set day value.

void	db_set_value_hour (dbValue *value, int hour)
	Set hour value.

void	db_set_value_minute (dbValue *value, int minute)
	Set minute value.

void	db_set_value_seconds (dbValue *value, double seconds)
	Set seconds value.

int	db_test_value_datetime_current (dbValue *value)
	Check if datatime is current.

void	db_set_value_datetime_current (dbValue *value)
	Set datetime to current.

void	db_set_value_datetime_not_current (dbValue *value)
	Set value to non-current.

void	db_copy_value (dbValue dst, dbValue src)
	Copy value.

void	db_CatValArray_init (dbCatValArray *arr)
	Initialize dbCatValArray.

void	db_CatValArray_free (dbCatValArray *arr)
	Free allocated dbCatValArray.

int	db_CatValArray_alloc (dbCatValArray *arr, int n)
	Allocate dbCatValArray.

int	db_CatValArray_realloc (dbCatValArray *arr, int n)
	Realloc dbCatValArray.

Detailed Description

DBMI Library (base) - value management.

SPDX-FileCopyrightText: 1999-2009, 2011 GRASS Development Team SPDX-License-Identifier: GPL-2.0-or-later

Author: Joel Jones (CERL/UIUC), Radim Blazek; Doxygenized by Martin Landa <landa.martin gmail.com> (2011)

Definition in file value.c.

Function Documentation

◆ db_CatValArray_alloc()

int db_CatValArray_alloc	(	dbCatValArray *	arr,
		int	n
	)

Allocate dbCatValArray.

Todo:: return type void?

Parameters

arr	pointer to dbCatValArray
n	number of items

Returns: DB_OK

Definition at line 399 of file value.c.

References DB_OK, and G_calloc.

Referenced by db_select_CatValArray(), and Vedit_bulk_labeling().

◆ db_CatValArray_free()

void db_CatValArray_free ( dbCatValArray * arr )

Free allocated dbCatValArray.

Parameters

arr	pointer to dbCatValArray

Definition at line 371 of file value.c.

References DB_C_TYPE_DATETIME, DB_C_TYPE_STRING, db_free(), db_free_string(), and G_free().

Referenced by IL_vector_input_data_2d(), NetA_get_node_costs(), Vect_net_build_graph(), Vect_net_ttb_build_graph(), and Vedit_bulk_labeling().

◆ db_CatValArray_init()

void db_CatValArray_init ( dbCatValArray * arr )

Initialize dbCatValArray.

Parameters

arr	pointer to dbCatValArray to be initialized

Definition at line 359 of file value.c.

References NULL.

Referenced by IL_vector_input_data_2d(), NetA_get_node_costs(), Vect_net_build_graph(), and Vect_net_ttb_build_graph().

◆ db_CatValArray_realloc()

int db_CatValArray_realloc	(	dbCatValArray *	arr,
		int	n
	)

Realloc dbCatValArray.

Todo:: return code void?

Parameters

arr	pointer to dbCatValArray
n	number of items

Returns: DB_OK

Definition at line 418 of file value.c.

References DB_OK, and G_realloc.

◆ db_copy_value()

void db_copy_value	(	dbValue *	dst,
		dbValue *	src
	)

Copy value.

Copy value from src to destination

Parameters

dst	destination dbValue
src	source dbValue

Definition at line 338 of file value.c.

References _db_date_time::current, _db_value::d, _db_date_time::day, db_copy_string(), _db_date_time::hour, _db_value::i, _db_value::isNull, _db_date_time::minute, _db_date_time::month, _db_string::nalloc, _db_value::s, _db_date_time::seconds, _db_value::t, and _db_date_time::year.

Referenced by db_copy_column(), and db_select_value().

◆ db_get_value_as_double()

double db_get_value_as_double	(	dbValue *	value,
		int	ctype
	)

Get value as double.

For given value and C type of value returns double representation.

Parameters

value	pointer to dbValue
ctype	C data type

Returns: value

Definition at line 63 of file value.c.

References DB_C_TYPE_DOUBLE, DB_C_TYPE_INT, DB_C_TYPE_STRING, db_get_value_double(), db_get_value_int(), and db_get_value_string().

◆ db_get_value_day()

int db_get_value_day ( dbValue * value )

Get day value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 126 of file value.c.

References _db_date_time::day, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_get_value_double()

double db_get_value_double ( dbValue * value )

Get double precision value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 48 of file value.c.

References _db_value::d.

Referenced by db_convert_value_to_string(), db_get_value_as_double(), db_select_CatValArray(), db_select_int(), P_Aux_to_Vector(), and Vect_write_ascii().

◆ db_get_value_hour()

int db_get_value_hour ( dbValue * value )

Get hour value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 138 of file value.c.

References _db_date_time::hour, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_get_value_int()

int db_get_value_int ( dbValue * value )

Get integer value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 36 of file value.c.

References _db_value::i.

Referenced by db_convert_value_to_string(), db_get_value_as_double(), db_select_CatValArray(), db_select_int(), Gp_load_sites_thematic(), Gv_load_vect_thematic(), NetA_init_distinct(), NetA_init_timetable_from_db(), and Vect_write_ascii().

◆ db_get_value_minute()

int db_get_value_minute ( dbValue * value )

Get minute value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 150 of file value.c.

References _db_date_time::minute, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_get_value_month()

int db_get_value_month ( dbValue * value )

Get month value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 114 of file value.c.

References _db_date_time::month, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_get_value_seconds()

double db_get_value_seconds ( dbValue * value )

Get seconds value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 162 of file value.c.

References _db_date_time::seconds, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_get_value_string()

const char * db_get_value_string ( dbValue * value )

Get string value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 90 of file value.c.

References db_get_string(), and _db_value::s.

Referenced by db_convert_value_to_string(), db_get_value_as_double(), db_select_CatValArray(), db_select_int(), Gp_load_sites_thematic(), Gv_load_vect_thematic(), and Vect_write_ascii().

◆ db_get_value_year()

int db_get_value_year ( dbValue * value )

Get year value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 102 of file value.c.

References _db_value::t, and _db_date_time::year.

Referenced by db_convert_value_datetime_into_string().

◆ db_set_value_datetime_current()

void db_set_value_datetime_current ( dbValue * value )

Set datetime to current.

Parameters

value pointer to dbValue

Definition at line 313 of file value.c.

References _db_date_time::current, db_set_value_not_null(), and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_datetime_not_current()

void db_set_value_datetime_not_current ( dbValue * value )

Set value to non-current.

Parameters

value pointer to dbValue

Definition at line 324 of file value.c.

References _db_date_time::current, db_set_value_not_null(), and _db_value::t.

Referenced by db_set_value_day(), db_set_value_hour(), db_set_value_minute(), db_set_value_month(), db_set_value_seconds(), and db_set_value_year().

◆ db_set_value_day()

void db_set_value_day	(	dbValue *	value,
		int	day
	)

Set day value.

Parameters

value	pointer to dbValue
day	day value

Definition at line 253 of file value.c.

References _db_date_time::day, db_set_value_datetime_not_current(), and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_double()

void db_set_value_double	(	dbValue *	value,
		double	d
	)

Set double precision value.

Parameters

value	pointer to dbValue
d	double value

Definition at line 205 of file value.c.

References _db_value::d, and db_set_value_not_null().

Referenced by db_convert_Cstring_to_value().

◆ db_set_value_hour()

void db_set_value_hour	(	dbValue *	value,
		int	hour
	)

Set hour value.

Parameters

value	pointer to dbValue
hour	hour value

Definition at line 265 of file value.c.

References db_set_value_datetime_not_current(), _db_date_time::hour, and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_int()

void db_set_value_int	(	dbValue *	value,
		int	i
	)

Set integer value.

Parameters

value	pointer to dbValue
i	integer value

Definition at line 193 of file value.c.

References db_set_value_not_null(), and _db_value::i.

Referenced by db_convert_Cstring_to_value().

◆ db_set_value_minute()

void db_set_value_minute	(	dbValue *	value,
		int	minute
	)

Set minute value.

Parameters

value	pointer to dbValue
minute	minute value

Definition at line 277 of file value.c.

References db_set_value_datetime_not_current(), _db_date_time::minute, and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_month()

void db_set_value_month	(	dbValue *	value,
		int	month
	)

Set month value.

Parameters

value	pointer to dbValue
month	month value

Definition at line 241 of file value.c.

References db_set_value_datetime_not_current(), _db_date_time::month, and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_not_null()

void db_set_value_not_null ( dbValue * value )

Set value to not null.

Parameters

value pointer to dbValue

Definition at line 182 of file value.c.

References _db_value::isNull.

Referenced by db_set_value_datetime_current(), db_set_value_datetime_not_current(), db_set_value_double(), db_set_value_int(), and db_set_value_string().

◆ db_set_value_null()

void db_set_value_null ( dbValue * value )

Set value to null.

Parameters

value pointer to dbValue

Definition at line 172 of file value.c.

References _db_value::isNull.

◆ db_set_value_seconds()

void db_set_value_seconds	(	dbValue *	value,
		double	seconds
	)

Set seconds value.

Parameters

value	pointer to dbValue
seconds	seconds value

Definition at line 289 of file value.c.

References db_set_value_datetime_not_current(), _db_date_time::seconds, and _db_value::t.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_set_value_string()

int db_set_value_string	(	dbValue *	value,
		const char *	s
	)

Set string value.

Parameters

value	pointer to dbValue
s	string value

Definition at line 217 of file value.c.

References db_set_string(), db_set_value_not_null(), and _db_value::s.

Referenced by db_convert_Cstring_to_value().

◆ db_set_value_year()

void db_set_value_year	(	dbValue *	value,
		int	year
	)

Set year value.

Parameters

value	pointer to dbValue
year	year value

Definition at line 229 of file value.c.

References db_set_value_datetime_not_current(), _db_value::t, and _db_date_time::year.

Referenced by db_convert_Cstring_to_value_datetime().

◆ db_test_value_datetime_current()

int db_test_value_datetime_current ( dbValue * value )

Check if datatime is current.

Parameters

value pointer to dbValue

Returns: non-zero for true; zero for false

Definition at line 303 of file value.c.

References _db_date_time::current, and _db_value::t.

Referenced by db_convert_value_datetime_into_string().

◆ db_test_value_isnull()

int db_test_value_isnull ( dbValue * value )

Check of value is null.

Parameters

value pointer to dbValue

Returns: non-zero is null; zero is not null

Definition at line 24 of file value.c.

References _db_value::isNull.

Referenced by db_convert_value_to_string(), and Vect_write_ascii().

Functions

Detailed Description

Function Documentation

◆ db_CatValArray_alloc()

◆ db_CatValArray_free()

◆ db_CatValArray_init()

◆ db_CatValArray_realloc()

◆ db_copy_value()

◆ db_get_value_as_double()

◆ db_get_value_day()

◆ db_get_value_double()

◆ db_get_value_hour()

◆ db_get_value_int()

◆ db_get_value_minute()

◆ db_get_value_month()

◆ db_get_value_seconds()

◆ db_get_value_string()

◆ db_get_value_year()

◆ db_set_value_datetime_current()

◆ db_set_value_datetime_not_current()

◆ db_set_value_day()

◆ db_set_value_double()

◆ db_set_value_hour()

◆ db_set_value_int()

◆ db_set_value_minute()

◆ db_set_value_month()

◆ db_set_value_not_null()

◆ db_set_value_null()

◆ db_set_value_seconds()

◆ db_set_value_string()

◆ db_set_value_year()

◆ db_test_value_datetime_current()

◆ db_test_value_isnull()