MINI MINI MANI MO

SET @session_start_value = @@session.max_points_in_geometry;
SET @global_start_value = @@global.max_points_in_geometry;
'#--------------------FN_DYNVARS_001_01------------------------#'
SET @@max_points_in_geometry = DEFAULT;
SELECT @@max_points_in_geometry = 65536;
@@max_points_in_geometry = 65536
1
'#---------------------FN_DYNVARS_001_02-------------------------#'
SET @@global.max_points_in_geometry = 1000;
select @@global.max_points_in_geometry = @@session.max_points_in_geometry;
@@global.max_points_in_geometry = @@session.max_points_in_geometry
0
SET @@session.max_points_in_geometry = 1000;
select @@global.max_points_in_geometry = @@session.max_points_in_geometry;
@@global.max_points_in_geometry = @@session.max_points_in_geometry
1
'#--------------------FN_DYNVARS_001_03------------------------#'
SET @@max_points_in_geometry = 10;
SELECT @@max_points_in_geometry, @@session.max_points_in_geometry,
@@max_points_in_geometry=@@session.max_points_in_geometry;
@@max_points_in_geometry	@@session.max_points_in_geometry	@@max_points_in_geometry=@@session.max_points_in_geometry
10	10	1
SELECT @@max_points_in_geometry, @@global.max_points_in_geometry,
@@max_points_in_geometry=@@global.max_points_in_geometry;
@@max_points_in_geometry	@@global.max_points_in_geometry	@@max_points_in_geometry=@@global.max_points_in_geometry
10	1000	0
'#--------------------FN_DYNVARS_001_04-------------------------#'
SET @@max_points_in_geometry = "1";
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = " ";
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = 'abc';
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = NULL;
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = 1;
Warnings:
Warning	1292	Truncated incorrect max_points_in_geometry value: '1'
SELECT @@max_points_in_geometry;
@@max_points_in_geometry
3
SET @@max_points_in_geometry = 67108865;
Warnings:
Warning	1292	Truncated incorrect max_points_in_geometry value: '67108865'
SELECT @@max_points_in_geometry;
@@max_points_in_geometry
1048576
'#----------------------FN_DYNVARS_001_06------------------------#'
SELECT @@max_points_in_geometry = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='max_points_in_geometry';
@@max_points_in_geometry = VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_001_08-------------------------#'
SET @@max_points_in_geometry = OFF;
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = ON;
ERROR 42000: Incorrect argument type to variable 'max_points_in_geometry'
SET @@max_points_in_geometry = TRUE;
Warnings:
Warning	1292	Truncated incorrect max_points_in_geometry value: '1'
SELECT @@max_points_in_geometry;
@@max_points_in_geometry
3
SET @@max_points_in_geometry = FALSE;
Warnings:
Warning	1292	Truncated incorrect max_points_in_geometry value: '0'
SELECT @@max_points_in_geometry;
@@max_points_in_geometry
3
'#---------------------FN_DYNVARS_001_10----------------------#'
SET @@max_points_in_geometry = 123456;
SELECT @@max_points_in_geometry = @@local.max_points_in_geometry and
@@max_points_in_geometry = @@session.max_points_in_geometry;
@@max_points_in_geometry = @@local.max_points_in_geometry and
@@max_points_in_geometry = @@session.max_points_in_geometry
1
SET @@max_points_in_geometry = 654321;
SELECT @@max_points_in_geometry = @@local.max_points_in_geometry and
@@max_points_in_geometry = @@session.max_points_in_geometry;
@@max_points_in_geometry = @@local.max_points_in_geometry and
@@max_points_in_geometry = @@session.max_points_in_geometry
1
'#---------------------FN_DYNVARS_001_11----------------------#'
SET max_points_in_geometry = 100;
SELECT @@max_points_in_geometry=100;
@@max_points_in_geometry=100
1
SELECT local.max_points_in_geometry;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.max_points_in_geometry;
ERROR 42S02: Unknown table 'session' in field list
SELECT max_points_in_geometry = @@session.max_points_in_geometry;
ERROR 42S22: Unknown column 'max_points_in_geometry' in 'field list'
SET @@max_points_in_geometry = @session_start_value;
SET @@global.max_points_in_geometry = @global_start_value;