DROP TABLE IF EXISTS t4,t5;
CREATE TABLE t4(c1 DECIMAL(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 DECIMAL(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1235
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 DEC(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 DEC(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1235
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 FIXED(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 FIXED(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1235
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 NUMERIC(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 NUMERIC(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1235
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1235
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 DOUBLE(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 DOUBLE(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1234
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 REAL(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 REAL(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1234
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 DOUBLE PRECISION(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 DOUBLE PRECISION(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1234
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;
CREATE TABLE t4(c1 FLOAT(1,0) NOT NULL);
PREPARE stmt4 FROM 'INSERT INTO t4 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
0
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
1
PREPARE stmt4 FROM 'SELECT * FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
c1
0
SET @a=1.0;
EXECUTE stmt4 USING @a;
c1
1
SET @a=-9.0;
EXECUTE stmt4 USING @a;
c1
-9
DEALLOCATE PREPARE stmt4;
PREPARE stmt4 FROM 'UPDATE t4 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt4 USING @a,@b;
SET @a=1.0;
SET @b=0;
EXECUTE stmt4 USING @a,@b;
SET @a=-9.0;
SET @b=7.0;
EXECUTE stmt4 USING @a,@b;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
-9
1
1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
3
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
PREPARE stmt4 FROM 'DELETE FROM t4 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt4 USING @a;
SET @a=1.0;
EXECUTE stmt4 USING @a;
SET @a=-9.0;
EXECUTE stmt4 USING @a;
DEALLOCATE PREPARE stmt4;
SELECT * FROM t4;
c1
SELECT COUNT(c1) AS total_rows FROM t4;
total_rows
0
SELECT COUNT(c1) AS positive_rows FROM t4 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t4 WHERE c1 < 0.0;
negative_rows
0
SELECT COUNT(c1) AS zero_rows FROM t4 WHERE c1 = 0.0;
zero_rows
0
DROP TABLE t4;
CREATE TABLE t5(c1 FLOAT(5,4) NOT NULL);
PREPARE stmt5 FROM 'INSERT INTO t5 (c1) VALUES(?)';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
1.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
2
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
1
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'SELECT * FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
c1
0.0000
SET @a=1.0;
EXECUTE stmt5 USING @a;
c1
1.0000
SET @a=1.2345;
EXECUTE stmt5 USING @a;
c1
1.2345
SET @a=-9.0;
EXECUTE stmt5 USING @a;
c1
-9.0000
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
c1
PREPARE stmt5 FROM 'UPDATE t5 SET c1 = ? WHERE c1 = ?';
SET @a=0;
SET @b=1.0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.0;
SET @a=0;
EXECUTE stmt5 USING @a,@b;
SET @a=1.2345;
SET @a=3.5432;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.0;
SET @a=-9.1;
EXECUTE stmt5 USING @a,@b;
SET @a=-9.12345;
SET @a=-8.54321;
EXECUTE stmt5 USING @a,@b;
SELECT * FROM t5;
c1
-9.0000
-9.1234
0.0000
0.0000
1.2345
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
1
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
2
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
2
DEALLOCATE PREPARE stmt5;
PREPARE stmt5 FROM 'DELETE FROM t5 WHERE c1 = ?';
SET @a=0;
EXECUTE stmt5 USING @a;
SET @a=1.0;
EXECUTE stmt5 USING @a;
SET @a=1.2345;
EXECUTE stmt5 USING @a;
SET @a=-9.0;
EXECUTE stmt5 USING @a;
SET @a=-9.12345;
EXECUTE stmt5 USING @a;
SELECT * FROM t5;
c1
-9.1234
SELECT COUNT(c1) AS positive_rows FROM t5 WHERE c1 > 0.0;
positive_rows
0
SELECT COUNT(c1) AS negative_rows FROM t5 WHERE c1 < 0.0;
negative_rows
1
SELECT COUNT(c1) AS zero_rows FROM t5 WHERE c1 = 0.0;
zero_rows
0
DEALLOCATE PREPARE stmt5;
DROP TABLE t5;