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. More...

int	db_get_value_int (dbValue *value)
	Get integer value. More...

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

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

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

int	db_get_value_year (dbValue *value)
	Get year value. More...

int	db_get_value_month (dbValue *value)
	Get month value. More...

int	db_get_value_day (dbValue *value)
	Get day value. More...

int	db_get_value_hour (dbValue *value)
	Get hour value. More...

int	db_get_value_minute (dbValue *value)
	Get minute value. More...

double	db_get_value_seconds (dbValue *value)
	Get seconds value. More...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

void	db_CatValArray_init (dbCatValArray *arr)
	Initialize dbCatValArray. More...

void	db_CatValArray_free (dbCatValArray *arr)
	Free allocated dbCatValArray. More...

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

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

Detailed Description

DBMI Library (base) - value management.

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

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 401 of file value.c.

References dbCatValArray::alloc, DB_OK, G_calloc, and dbCatValArray::value.

◆ db_CatValArray_free()

void db_CatValArray_free ( dbCatValArray * arr )

Free allocated dbCatValArray.

Parameters

arr	pointer to dbCatValArray

Definition at line 373 of file value.c.

References dbCatValArray::ctype, DB_C_TYPE_DATETIME, DB_C_TYPE_STRING, db_free(), db_free_string(), G_free(), dbCatValArray::n_values, dbCatVal::s, dbCatVal::t, dbCatVal::val, and dbCatValArray::value.

◆ db_CatValArray_init()

void db_CatValArray_init ( dbCatValArray * arr )

Initialize dbCatValArray.

Parameters

arr	pointer to dbCatValArray to be initialized

Definition at line 361 of file value.c.

References dbCatValArray::alloc, dbCatValArray::n_values, NULL, and dbCatValArray::value.

◆ 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 420 of file value.c.

References dbCatValArray::alloc, DB_OK, G_realloc, and dbCatValArray::value.

◆ 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 340 of file value.c.

References db_copy_string(), dst, and src.

Referenced by db_copy_column().

◆ 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 65 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 128 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 50 of file value.c.

References _db_value::d.

Referenced by db_convert_value_to_string(), and db_get_value_as_double().

◆ db_get_value_hour()

int db_get_value_hour ( dbValue * value )

Get hour value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 140 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 38 of file value.c.

References _db_value::i.

Referenced by db_convert_value_to_string(), and db_get_value_as_double().

◆ db_get_value_minute()

int db_get_value_minute ( dbValue * value )

Get minute value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 152 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 116 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 164 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 92 of file value.c.

References db_get_string(), and _db_value::s.

Referenced by db_convert_value_to_string(), and db_get_value_as_double().

◆ db_get_value_year()

int db_get_value_year ( dbValue * value )

Get year value.

Parameters

value pointer to dbValue

Returns: value

Definition at line 104 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 315 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 326 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 255 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 207 of file value.c.

◆ 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 267 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 195 of file value.c.

References db_set_value_not_null(), and _db_value::i.

◆ 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 279 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 243 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 184 of file value.c.

References _db_value::isNull.

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

◆ db_set_value_null()

void db_set_value_null ( dbValue * value )

Set value to null.

Parameters

value pointer to dbValue

Definition at line 174 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 291 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 219 of file value.c.

◆ 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 231 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 305 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 26 of file value.c.

References _db_value::isNull.

Referenced by db_convert_value_to_string().

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()