Bit string regression test
from Adriaan Joubert <a.joubert@albourne.com>
This commit is contained in:
Peter Eisentraut
parent
0edf928f58
commit
f31844f15f
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@ -0,0 +1,530 @@
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--
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-- BIT types
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--
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--
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-- Build tables for testing
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--
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CREATE TABLE ZPBIT_TABLE(b BIT(11));
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INSERT INTO ZPBIT_TABLE VALUES (B'');
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INSERT INTO ZPBIT_TABLE VALUES (B'0');
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INSERT INTO ZPBIT_TABLE VALUES (B'11011');
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INSERT INTO ZPBIT_TABLE VALUES (B'01010101010');
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INSERT INTO ZPBIT_TABLE VALUES (B'101011111010'); -- too long
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--INSERT INTO ZPBIT_TABLE VALUES ('X554');
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--INSERT INTO ZPBIT_TABLE VALUES ('X555');
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SELECT * FROM ZPBIT_TABLE;
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b
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-------------
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00000000000
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00000000000
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11011000000
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01010101010
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10101111101
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(5 rows)
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CREATE TABLE VARBIT_TABLE(v BIT VARYING(11));
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INSERT INTO VARBIT_TABLE VALUES (B'');
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INSERT INTO VARBIT_TABLE VALUES (B'0');
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INSERT INTO VARBIT_TABLE VALUES (B'010101');
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INSERT INTO VARBIT_TABLE VALUES (B'01010101010');
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INSERT INTO VARBIT_TABLE VALUES (B'101011111010'); -- too long
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--INSERT INTO VARBIT_TABLE VALUES ('X554');
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--INSERT INTO VARBIT_TABLE VALUES ('X555');
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SELECT * FROM VARBIT_TABLE;
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v
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-------------
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0
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010101
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01010101010
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10101111101
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(5 rows)
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-- Concatenation
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SELECT v, b, (v || b) AS concat
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FROM ZPBIT_TABLE, VARBIT_TABLE
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ORDER BY 3;
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v | b | concat
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-------------+-------------+------------------------
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| 00000000000 | 00000000000
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| 00000000000 | 00000000000
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0 | 00000000000 | 000000000000
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0 | 00000000000 | 000000000000
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0 | 01010101010 | 001010101010
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010101 | 00000000000 | 01010100000000000
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010101 | 00000000000 | 01010100000000000
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| 01010101010 | 01010101010
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01010101010 | 00000000000 | 0101010101000000000000
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01010101010 | 00000000000 | 0101010101000000000000
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01010101010 | 01010101010 | 0101010101001010101010
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010101 | 01010101010 | 01010101010101010
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01010101010 | 10101111101 | 0101010101010101111101
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01010101010 | 11011000000 | 0101010101011011000000
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010101 | 10101111101 | 01010110101111101
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010101 | 11011000000 | 01010111011000000
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0 | 10101111101 | 010101111101
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0 | 11011000000 | 011011000000
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| 10101111101 | 10101111101
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10101111101 | 00000000000 | 1010111110100000000000
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10101111101 | 00000000000 | 1010111110100000000000
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10101111101 | 01010101010 | 1010111110101010101010
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10101111101 | 10101111101 | 1010111110110101111101
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10101111101 | 11011000000 | 1010111110111011000000
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| 11011000000 | 11011000000
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(25 rows)
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-- Length
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SELECT b, length(b) AS lb
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FROM ZPBIT_TABLE;
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b | lb
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-------------+----
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00000000000 | 11
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00000000000 | 11
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11011000000 | 11
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01010101010 | 11
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10101111101 | 11
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(5 rows)
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SELECT v, length(v) AS lv
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FROM VARBIT_TABLE;
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v | lv
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-------------+----
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| 0
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0 | 1
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010101 | 6
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01010101010 | 11
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10101111101 | 11
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(5 rows)
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-- Substring
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SELECT b,
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SUBSTRING(b FROM 2 FOR 4) AS sub_2_4,
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SUBSTRING(b FROM 7 FOR 13) AS sub_7_13,
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SUBSTRING(b FROM 6) AS sub_6
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FROM ZPBIT_TABLE;
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b | sub_2_4 | sub_7_13 | sub_6
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-------------+---------+----------+--------
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00000000000 | 0000 | 00000 | 000000
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00000000000 | 0000 | 00000 | 000000
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11011000000 | 1011 | 00000 | 000000
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01010101010 | 1010 | 01010 | 101010
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10101111101 | 0101 | 11101 | 111101
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(5 rows)
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SELECT v,
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SUBSTRING(v FROM 2 FOR 4) AS sub_2_4,
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SUBSTRING(v FROM 7 FOR 13) AS sub_7_13,
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SUBSTRING(v FROM 6) AS sub_6
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FROM VARBIT_TABLE;
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v | sub_2_4 | sub_7_13 | sub_6
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-------------+---------+----------+--------
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| | |
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0 | | |
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010101 | 1010 | | 1
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01010101010 | 1010 | 01010 | 101010
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10101111101 | 0101 | 11101 | 111101
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(5 rows)
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--- Bit operations
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DROP TABLE varbit_table;
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CREATE TABLE varbit_table (a BIT VARYING(16), b BIT VARYING(16));
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COPY varbit_table FROM stdin;
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SELECT a, b, ~a AS "~ a", a & b AS "a & b",
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a | b AS "a | b", a # b AS "a # b" FROM varbit_table;
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a | b | ~ a | a & b | a | b | a # b
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------------------+------------------+------------------+------------------+------------------+------------------
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00001111 | 00010000 | 11110000 | 00000000 | 00011111 | 00011111
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00011111 | 00010001 | 11100000 | 00010001 | 00011111 | 00001110
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00101111 | 00010010 | 11010000 | 00000010 | 00111111 | 00111101
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00111111 | 00010011 | 11000000 | 00010011 | 00111111 | 00101100
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10001111 | 00000100 | 01110000 | 00000100 | 10001111 | 10001011
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0000000000001111 | 0000000000010000 | 1111111111110000 | 0000000000000000 | 0000000000011111 | 0000000000011111
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0000000100100011 | 1111111111111111 | 1111111011011100 | 0000000100100011 | 1111111111111111 | 1111111011011100
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0010010001101000 | 0010010001101000 | 1101101110010111 | 0010010001101000 | 0010010001101000 | 0000000000000000
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1111101001010000 | 0000010110101111 | 0000010110101111 | 0000000000000000 | 1111111111111111 | 1111111111111111
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0001001000110100 | 1111111111110101 | 1110110111001011 | 0001001000110100 | 1111111111110101 | 1110110111000001
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(10 rows)
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SELECT a,b,a<b AS "a<b",a<=b AS "a<=b",a=b AS "a=b",
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a>=b AS "a>=b",a>b AS "a>b",a<>b AS "a<>b" FROM varbit_table;
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a | b | a<b | a<=b | a=b | a>=b | a>b | a<>b
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------------------+------------------+-----+------+-----+------+-----+------
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00001111 | 00010000 | t | t | f | f | f | t
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00011111 | 00010001 | f | f | f | t | t | t
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00101111 | 00010010 | f | f | f | t | t | t
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00111111 | 00010011 | f | f | f | t | t | t
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10001111 | 00000100 | f | f | f | t | t | t
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0000000000001111 | 0000000000010000 | t | t | f | f | f | t
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0000000100100011 | 1111111111111111 | t | t | f | f | f | t
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0010010001101000 | 0010010001101000 | f | t | t | t | f | f
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1111101001010000 | 0000010110101111 | f | f | f | t | t | t
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0001001000110100 | 1111111111110101 | t | t | f | f | f | t
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(10 rows)
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SELECT a,a<<4 AS "a<<4",b,b>>2 AS "b>>2" FROM varbit_table;
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a | a<<4 | b | b>>2
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------------------+------------------+------------------+------------------
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00001111 | 11110000 | 00010000 | 00000100
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00011111 | 11110000 | 00010001 | 00000100
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00101111 | 11110000 | 00010010 | 00000100
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00111111 | 11110000 | 00010011 | 00000100
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10001111 | 11110000 | 00000100 | 00000001
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0000000000001111 | 0000000011110000 | 0000000000010000 | 0000000000000100
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0000000100100011 | 0001001000110000 | 1111111111111111 | 0011111111111111
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0010010001101000 | 0100011010000000 | 0010010001101000 | 0000100100011010
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1111101001010000 | 1010010100000000 | 0000010110101111 | 0000000101101011
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0001001000110100 | 0010001101000000 | 1111111111110101 | 0011111111111101
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(10 rows)
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DROP TABLE varbit_table;
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--- Bit operations
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DROP TABLE zpbit_table;
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CREATE TABLE zpbit_table (a BIT(16), b BIT(16));
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COPY zpbit_table FROM stdin;
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SELECT a,b,~a AS "~ a",a & b AS "a & b",
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a|b AS "a | b", a # b AS "a # b" FROM zpbit_table;
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a | b | ~ a | a & b | a | b | a # b
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------------------+------------------+------------------+------------------+------------------+------------------
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0000111100000000 | 0001000000000000 | 1111000011111111 | 0000000000000000 | 0001111100000000 | 0001111100000000
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0001111100000000 | 0001000100000000 | 1110000011111111 | 0001000100000000 | 0001111100000000 | 0000111000000000
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0010111100000000 | 0001001000000000 | 1101000011111111 | 0000001000000000 | 0011111100000000 | 0011110100000000
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0011111100000000 | 0001001100000000 | 1100000011111111 | 0001001100000000 | 0011111100000000 | 0010110000000000
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1000111100000000 | 0000010000000000 | 0111000011111111 | 0000010000000000 | 1000111100000000 | 1000101100000000
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0000000000001111 | 0000000000010000 | 1111111111110000 | 0000000000000000 | 0000000000011111 | 0000000000011111
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0000000100100011 | 1111111111111111 | 1111111011011100 | 0000000100100011 | 1111111111111111 | 1111111011011100
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0010010001101000 | 0010010001101000 | 1101101110010111 | 0010010001101000 | 0010010001101000 | 0000000000000000
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1111101001010000 | 0000010110101111 | 0000010110101111 | 0000000000000000 | 1111111111111111 | 1111111111111111
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0001001000110100 | 1111111111110101 | 1110110111001011 | 0001001000110100 | 1111111111110101 | 1110110111000001
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(10 rows)
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SELECT a,b,a<b AS "a<b",a<=b AS "a<=b",a=b AS "a=b",
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a>=b AS "a>=b",a>b AS "a>b",a<>b AS "a<>b" FROM zpbit_table;
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a | b | a<b | a<=b | a=b | a>=b | a>b | a<>b
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------------------+------------------+-----+------+-----+------+-----+------
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0000111100000000 | 0001000000000000 | t | t | f | f | f | t
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0001111100000000 | 0001000100000000 | f | f | f | t | t | t
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0010111100000000 | 0001001000000000 | f | f | f | t | t | t
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0011111100000000 | 0001001100000000 | f | f | f | t | t | t
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1000111100000000 | 0000010000000000 | f | f | f | t | t | t
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0000000000001111 | 0000000000010000 | t | t | f | f | f | t
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0000000100100011 | 1111111111111111 | t | t | f | f | f | t
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0010010001101000 | 0010010001101000 | f | t | t | t | f | f
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1111101001010000 | 0000010110101111 | f | f | f | t | t | t
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0001001000110100 | 1111111111110101 | t | t | f | f | f | t
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(10 rows)
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SELECT a,a<<4 AS "a<<4",b,b>>2 AS "b>>2" FROM zpbit_table;
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a | a<<4 | b | b>>2
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------------------+------------------+------------------+------------------
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0000111100000000 | 1111000000000000 | 0001000000000000 | 0000010000000000
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0001111100000000 | 1111000000000000 | 0001000100000000 | 0000010001000000
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0010111100000000 | 1111000000000000 | 0001001000000000 | 0000010010000000
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0011111100000000 | 1111000000000000 | 0001001100000000 | 0000010011000000
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1000111100000000 | 1111000000000000 | 0000010000000000 | 0000000100000000
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0000000000001111 | 0000000011110000 | 0000000000010000 | 0000000000000100
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0000000100100011 | 0001001000110000 | 1111111111111111 | 0011111111111111
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0010010001101000 | 0100011010000000 | 0010010001101000 | 0000100100011010
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1111101001010000 | 1010010100000000 | 0000010110101111 | 0000000101101011
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0001001000110100 | 0010001101000000 | 1111111111110101 | 0011111111111101
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(10 rows)
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DROP TABLE zpbit_table;
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-- The following should fail
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select B'001' & B'10';
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ERROR: bitand: Cannot AND bitstrings of different sizes
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select B'0111' | B'011';
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ERROR: bitor: Cannot OR bitstrings of different sizes
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select B'0010' # B'011101';
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ERROR: bitxor: Cannot XOR bitstrings of different sizes
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-- More position tests, checking all the boundary cases
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SELECT POSITION(B'1010' IN B'0000101'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'1010' IN B'00001010'); -- 5
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position
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----------
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5
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(1 row)
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SELECT POSITION(B'1010' IN B'00000101'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'1010' IN B'000001010'); -- 6
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position
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----------
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6
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(1 row)
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SELECT POSITION(B'' IN B'00001010'); -- 1
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position
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----------
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1
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(1 row)
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SELECT POSITION(B'0' IN B''); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'' IN B''); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'101101' IN B'001011011011011000'); -- 3
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position
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----------
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3
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(1 row)
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SELECT POSITION(B'10110110' IN B'001011011011010'); -- 3
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position
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----------
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3
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(1 row)
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SELECT POSITION(B'1011011011011' IN B'001011011011011'); -- 3
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position
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----------
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3
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(1 row)
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SELECT POSITION(B'1011011011011' IN B'00001011011011011'); -- 5
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position
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----------
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5
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(1 row)
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SELECT POSITION(B'11101011' IN B'11101011'); -- 1
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position
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----------
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1
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(1 row)
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SELECT POSITION(B'11101011' IN B'011101011'); -- 2
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position
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----------
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2
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(1 row)
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SELECT POSITION(B'11101011' IN B'00011101011'); -- 4
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position
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----------
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4
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(1 row)
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SELECT POSITION(B'11101011' IN B'0000011101011'); -- 6
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position
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----------
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6
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(1 row)
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SELECT POSITION(B'111010110' IN B'111010110'); -- 1
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position
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----------
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1
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(1 row)
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SELECT POSITION(B'111010110' IN B'0111010110'); -- 2
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position
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----------
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2
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(1 row)
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SELECT POSITION(B'111010110' IN B'000111010110'); -- 4
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position
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----------
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4
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(1 row)
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SELECT POSITION(B'111010110' IN B'00000111010110'); -- 6
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position
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----------
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6
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(1 row)
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SELECT POSITION(B'111010110' IN B'11101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'011101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'00011101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'0000011101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'111010110'); -- 1
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position
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----------
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1
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(1 row)
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SELECT POSITION(B'111010110' IN B'0111010110'); -- 2
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position
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----------
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2
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(1 row)
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SELECT POSITION(B'111010110' IN B'000111010110'); -- 4
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position
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----------
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4
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(1 row)
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SELECT POSITION(B'111010110' IN B'00000111010110'); -- 6
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position
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----------
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6
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(1 row)
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SELECT POSITION(B'111010110' IN B'000001110101111101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'0000001110101111101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'000000001110101111101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'00000000001110101111101011'); -- 0
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position
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----------
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0
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(1 row)
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SELECT POSITION(B'111010110' IN B'0000011101011111010110'); -- 14
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position
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----------
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14
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(1 row)
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SELECT POSITION(B'111010110' IN B'00000011101011111010110'); -- 15
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position
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----------
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15
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(1 row)
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SELECT POSITION(B'111010110' IN B'0000000011101011111010110'); -- 17
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position
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----------
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17
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(1 row)
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SELECT POSITION(B'111010110' IN B'000000000011101011111010110'); -- 19
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position
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----------
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19
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(1 row)
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SELECT POSITION(B'000000000011101011111010110' IN B'000000000011101011111010110'); -- 1
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position
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----------
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1
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(1 row)
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SELECT POSITION(B'00000000011101011111010110' IN B'000000000011101011111010110'); -- 2
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position
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----------
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2
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(1 row)
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||||
|
||||
SELECT POSITION(B'0000000000011101011111010110' IN B'000000000011101011111010110'); -- 0
|
||||
position
|
||||
----------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Shifting
|
||||
CREATE TABLE ZPBIT_SHIFT_TABLE(b BIT(16));
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE VALUES (B'11011');
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>1 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>2 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>4 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>8 FROM ZPBIT_SHIFT_TABLE;
|
||||
SELECT POSITION(B'1101'IN b),
|
||||
POSITION(B'11011' IN b),
|
||||
b
|
||||
FROM ZPBIT_SHIFT_TABLE ;
|
||||
position | position | b
|
||||
----------+----------+------------------
|
||||
1 | 1 | 1101100000000000
|
||||
2 | 2 | 0110110000000000
|
||||
3 | 3 | 0011011000000000
|
||||
4 | 4 | 0001101100000000
|
||||
5 | 5 | 0000110110000000
|
||||
6 | 6 | 0000011011000000
|
||||
7 | 7 | 0000001101100000
|
||||
8 | 8 | 0000000110110000
|
||||
9 | 9 | 0000000011011000
|
||||
10 | 10 | 0000000001101100
|
||||
11 | 11 | 0000000000110110
|
||||
12 | 12 | 0000000000011011
|
||||
13 | 0 | 0000000000001101
|
||||
0 | 0 | 0000000000000110
|
||||
0 | 0 | 0000000000000011
|
||||
0 | 0 | 0000000000000001
|
||||
(16 rows)
|
||||
|
||||
CREATE TABLE VARBIT_SHIFT_TABLE(v BIT VARYING(18));
|
||||
INSERT INTO VARBIT_SHIFT_TABLE VALUES (B'11011');
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(6)) >>1 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(8)) >>2 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(12)) >>4 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(20)) >>8 FROM VARBIT_SHIFT_TABLE;
|
||||
SELECT POSITION(B'1101' IN v),
|
||||
POSITION(B'11011' IN v),
|
||||
v
|
||||
FROM VARBIT_SHIFT_TABLE ;
|
||||
position | position | v
|
||||
----------+----------+--------------------
|
||||
1 | 1 | 11011
|
||||
2 | 2 | 011011
|
||||
3 | 3 | 00110110
|
||||
4 | 4 | 00011011
|
||||
5 | 5 | 000011011000
|
||||
6 | 6 | 000001101100
|
||||
7 | 7 | 000000110110
|
||||
8 | 8 | 000000011011
|
||||
9 | 9 | 000000001101100000
|
||||
10 | 10 | 000000000110110000
|
||||
11 | 11 | 000000000011011000
|
||||
12 | 12 | 000000000001101100
|
||||
13 | 13 | 000000000000110110
|
||||
14 | 14 | 000000000000011011
|
||||
15 | 0 | 000000000000001101
|
||||
0 | 0 | 000000000000000110
|
||||
(16 rows)
|
||||
|
||||
DROP TABLE ZPBIT_SHIFT_TABLE;
|
||||
DROP TABLE VARBIT_SHIFT_TABLE;
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
# ----------
|
||||
# The first group of parallel test
|
||||
# ----------
|
||||
test: boolean char name varchar text int2 int4 int8 oid float4 float8 numeric
|
||||
test: boolean char name varchar text int2 int4 int8 oid float4 float8 bit numeric
|
||||
|
||||
# Depends on things setup during char, varchar and text
|
||||
test: strings
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# $Header: /cvsroot/pgsql/src/test/regress/serial_schedule,v 1.2 2000/10/01 21:19:09 petere Exp $
|
||||
# $Header: /cvsroot/pgsql/src/test/regress/serial_schedule,v 1.3 2000/11/22 13:37:44 petere Exp $
|
||||
# This should probably be in an order similar to parallel_schedule.
|
||||
test: boolean
|
||||
test: char
|
||||
|
|
@ -11,6 +11,7 @@ test: int8
|
|||
test: oid
|
||||
test: float4
|
||||
test: float8
|
||||
test: bit
|
||||
test: numeric
|
||||
test: strings
|
||||
test: numerology
|
||||
|
|
|
|||
|
|
@ -0,0 +1,186 @@
|
|||
--
|
||||
-- BIT types
|
||||
--
|
||||
|
||||
--
|
||||
-- Build tables for testing
|
||||
--
|
||||
|
||||
CREATE TABLE ZPBIT_TABLE(b BIT(11));
|
||||
|
||||
INSERT INTO ZPBIT_TABLE VALUES (B'');
|
||||
INSERT INTO ZPBIT_TABLE VALUES (B'0');
|
||||
INSERT INTO ZPBIT_TABLE VALUES (B'11011');
|
||||
INSERT INTO ZPBIT_TABLE VALUES (B'01010101010');
|
||||
INSERT INTO ZPBIT_TABLE VALUES (B'101011111010'); -- too long
|
||||
--INSERT INTO ZPBIT_TABLE VALUES ('X554');
|
||||
--INSERT INTO ZPBIT_TABLE VALUES ('X555');
|
||||
|
||||
SELECT * FROM ZPBIT_TABLE;
|
||||
|
||||
CREATE TABLE VARBIT_TABLE(v BIT VARYING(11));
|
||||
|
||||
INSERT INTO VARBIT_TABLE VALUES (B'');
|
||||
INSERT INTO VARBIT_TABLE VALUES (B'0');
|
||||
INSERT INTO VARBIT_TABLE VALUES (B'010101');
|
||||
INSERT INTO VARBIT_TABLE VALUES (B'01010101010');
|
||||
INSERT INTO VARBIT_TABLE VALUES (B'101011111010'); -- too long
|
||||
--INSERT INTO VARBIT_TABLE VALUES ('X554');
|
||||
--INSERT INTO VARBIT_TABLE VALUES ('X555');
|
||||
SELECT * FROM VARBIT_TABLE;
|
||||
|
||||
|
||||
-- Concatenation
|
||||
SELECT v, b, (v || b) AS concat
|
||||
FROM ZPBIT_TABLE, VARBIT_TABLE
|
||||
ORDER BY 3;
|
||||
|
||||
-- Length
|
||||
SELECT b, length(b) AS lb
|
||||
FROM ZPBIT_TABLE;
|
||||
SELECT v, length(v) AS lv
|
||||
FROM VARBIT_TABLE;
|
||||
|
||||
-- Substring
|
||||
SELECT b,
|
||||
SUBSTRING(b FROM 2 FOR 4) AS sub_2_4,
|
||||
SUBSTRING(b FROM 7 FOR 13) AS sub_7_13,
|
||||
SUBSTRING(b FROM 6) AS sub_6
|
||||
FROM ZPBIT_TABLE;
|
||||
SELECT v,
|
||||
SUBSTRING(v FROM 2 FOR 4) AS sub_2_4,
|
||||
SUBSTRING(v FROM 7 FOR 13) AS sub_7_13,
|
||||
SUBSTRING(v FROM 6) AS sub_6
|
||||
FROM VARBIT_TABLE;
|
||||
|
||||
--- Bit operations
|
||||
DROP TABLE varbit_table;
|
||||
CREATE TABLE varbit_table (a BIT VARYING(16), b BIT VARYING(16));
|
||||
COPY varbit_table FROM stdin;
|
||||
X0F X10
|
||||
X1F X11
|
||||
X2F X12
|
||||
X3F X13
|
||||
X8F X04
|
||||
X000F X0010
|
||||
X0123 XFFFF
|
||||
X2468 X2468
|
||||
XFA50 X05AF
|
||||
X1234 XFFF5
|
||||
\.
|
||||
|
||||
SELECT a, b, ~a AS "~ a", a & b AS "a & b",
|
||||
a | b AS "a | b", a # b AS "a # b" FROM varbit_table;
|
||||
SELECT a,b,a<b AS "a<b",a<=b AS "a<=b",a=b AS "a=b",
|
||||
a>=b AS "a>=b",a>b AS "a>b",a<>b AS "a<>b" FROM varbit_table;
|
||||
SELECT a,a<<4 AS "a<<4",b,b>>2 AS "b>>2" FROM varbit_table;
|
||||
|
||||
DROP TABLE varbit_table;
|
||||
|
||||
--- Bit operations
|
||||
DROP TABLE zpbit_table;
|
||||
CREATE TABLE zpbit_table (a BIT(16), b BIT(16));
|
||||
COPY zpbit_table FROM stdin;
|
||||
X0F X10
|
||||
X1F X11
|
||||
X2F X12
|
||||
X3F X13
|
||||
X8F X04
|
||||
X000F X0010
|
||||
X0123 XFFFF
|
||||
X2468 X2468
|
||||
XFA50 X05AF
|
||||
X1234 XFFF5
|
||||
\.
|
||||
|
||||
SELECT a,b,~a AS "~ a",a & b AS "a & b",
|
||||
a|b AS "a | b", a # b AS "a # b" FROM zpbit_table;
|
||||
SELECT a,b,a<b AS "a<b",a<=b AS "a<=b",a=b AS "a=b",
|
||||
a>=b AS "a>=b",a>b AS "a>b",a<>b AS "a<>b" FROM zpbit_table;
|
||||
SELECT a,a<<4 AS "a<<4",b,b>>2 AS "b>>2" FROM zpbit_table;
|
||||
|
||||
DROP TABLE zpbit_table;
|
||||
|
||||
|
||||
-- The following should fail
|
||||
select B'001' & B'10';
|
||||
select B'0111' | B'011';
|
||||
select B'0010' # B'011101';
|
||||
|
||||
-- More position tests, checking all the boundary cases
|
||||
SELECT POSITION(B'1010' IN B'0000101'); -- 0
|
||||
SELECT POSITION(B'1010' IN B'00001010'); -- 5
|
||||
SELECT POSITION(B'1010' IN B'00000101'); -- 0
|
||||
SELECT POSITION(B'1010' IN B'000001010'); -- 6
|
||||
|
||||
SELECT POSITION(B'' IN B'00001010'); -- 1
|
||||
SELECT POSITION(B'0' IN B''); -- 0
|
||||
SELECT POSITION(B'' IN B''); -- 0
|
||||
SELECT POSITION(B'101101' IN B'001011011011011000'); -- 3
|
||||
SELECT POSITION(B'10110110' IN B'001011011011010'); -- 3
|
||||
SELECT POSITION(B'1011011011011' IN B'001011011011011'); -- 3
|
||||
SELECT POSITION(B'1011011011011' IN B'00001011011011011'); -- 5
|
||||
|
||||
SELECT POSITION(B'11101011' IN B'11101011'); -- 1
|
||||
SELECT POSITION(B'11101011' IN B'011101011'); -- 2
|
||||
SELECT POSITION(B'11101011' IN B'00011101011'); -- 4
|
||||
SELECT POSITION(B'11101011' IN B'0000011101011'); -- 6
|
||||
|
||||
SELECT POSITION(B'111010110' IN B'111010110'); -- 1
|
||||
SELECT POSITION(B'111010110' IN B'0111010110'); -- 2
|
||||
SELECT POSITION(B'111010110' IN B'000111010110'); -- 4
|
||||
SELECT POSITION(B'111010110' IN B'00000111010110'); -- 6
|
||||
|
||||
SELECT POSITION(B'111010110' IN B'11101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'011101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'00011101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'0000011101011'); -- 0
|
||||
|
||||
SELECT POSITION(B'111010110' IN B'111010110'); -- 1
|
||||
SELECT POSITION(B'111010110' IN B'0111010110'); -- 2
|
||||
SELECT POSITION(B'111010110' IN B'000111010110'); -- 4
|
||||
SELECT POSITION(B'111010110' IN B'00000111010110'); -- 6
|
||||
|
||||
SELECT POSITION(B'111010110' IN B'000001110101111101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'0000001110101111101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'000000001110101111101011'); -- 0
|
||||
SELECT POSITION(B'111010110' IN B'00000000001110101111101011'); -- 0
|
||||
|
||||
SELECT POSITION(B'111010110' IN B'0000011101011111010110'); -- 14
|
||||
SELECT POSITION(B'111010110' IN B'00000011101011111010110'); -- 15
|
||||
SELECT POSITION(B'111010110' IN B'0000000011101011111010110'); -- 17
|
||||
SELECT POSITION(B'111010110' IN B'000000000011101011111010110'); -- 19
|
||||
|
||||
SELECT POSITION(B'000000000011101011111010110' IN B'000000000011101011111010110'); -- 1
|
||||
SELECT POSITION(B'00000000011101011111010110' IN B'000000000011101011111010110'); -- 2
|
||||
SELECT POSITION(B'0000000000011101011111010110' IN B'000000000011101011111010110'); -- 0
|
||||
|
||||
|
||||
-- Shifting
|
||||
|
||||
CREATE TABLE ZPBIT_SHIFT_TABLE(b BIT(16));
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE VALUES (B'11011');
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>1 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>2 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>4 FROM ZPBIT_SHIFT_TABLE;
|
||||
INSERT INTO ZPBIT_SHIFT_TABLE SELECT b>>8 FROM ZPBIT_SHIFT_TABLE;
|
||||
SELECT POSITION(B'1101'IN b),
|
||||
POSITION(B'11011' IN b),
|
||||
b
|
||||
FROM ZPBIT_SHIFT_TABLE ;
|
||||
|
||||
|
||||
CREATE TABLE VARBIT_SHIFT_TABLE(v BIT VARYING(18));
|
||||
INSERT INTO VARBIT_SHIFT_TABLE VALUES (B'11011');
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(6)) >>1 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(8)) >>2 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(12)) >>4 FROM VARBIT_SHIFT_TABLE;
|
||||
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v AS BIT(20)) >>8 FROM VARBIT_SHIFT_TABLE;
|
||||
SELECT POSITION(B'1101' IN v),
|
||||
POSITION(B'11011' IN v),
|
||||
v
|
||||
FROM VARBIT_SHIFT_TABLE ;
|
||||
|
||||
|
||||
DROP TABLE ZPBIT_SHIFT_TABLE;
|
||||
DROP TABLE VARBIT_SHIFT_TABLE;
|
||||
Loading…
Reference in New Issue