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--
-- BIT types
--
--
-- Build tables for testing
--
CREATE TABLE BIT_TABLE(b BIT(11));
INSERT INTO BIT_TABLE VALUES (B'10'); -- too short
INSERT INTO BIT_TABLE VALUES (B'00000000000');
INSERT INTO BIT_TABLE VALUES (B'11011000000');
INSERT INTO BIT_TABLE VALUES (B'01010101010');
INSERT INTO BIT_TABLE VALUES (B'101011111010'); -- too long
--INSERT INTO BIT_TABLE VALUES ('X554');
--INSERT INTO BIT_TABLE VALUES ('X555');
SELECT * FROM BIT_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 BIT_TABLE, VARBIT_TABLE
ORDER BY 3;
-- Length
SELECT b, length(b) AS lb
FROM BIT_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 BIT_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;
-- test overflow cases
SELECT SUBSTRING('01010101'::bit(8) FROM 2 FOR 2147483646) AS "1010101";
SELECT SUBSTRING('01010101'::bit(8) FROM -10 FOR 2147483646) AS "01010101";
SELECT SUBSTRING('01010101'::bit(8) FROM -10 FOR -2147483646) AS "error";
SELECT SUBSTRING('01010101'::varbit FROM 2 FOR 2147483646) AS "1010101";
SELECT SUBSTRING('01010101'::varbit FROM -10 FOR 2147483646) AS "01010101";
SELECT SUBSTRING('01010101'::varbit FROM -10 FOR -2147483646) AS "error";
--- 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 bit_table;
CREATE TABLE bit_table (a BIT(16), b BIT(16));
COPY bit_table FROM stdin;
X0F00 X1000
X1F00 X1100
X2F00 X1200
X3F00 X1300
X8F00 X0400
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 bit_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 bit_table;
SELECT a,a<<4 AS "a<<4",b,b>>2 AS "b>>2" FROM bit_table;
DROP TABLE bit_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 BIT_SHIFT_TABLE(b BIT(16));
INSERT INTO BIT_SHIFT_TABLE VALUES (B'1101100000000000');
INSERT INTO BIT_SHIFT_TABLE SELECT b>>1 FROM BIT_SHIFT_TABLE;
INSERT INTO BIT_SHIFT_TABLE SELECT b>>2 FROM BIT_SHIFT_TABLE;
INSERT INTO BIT_SHIFT_TABLE SELECT b>>4 FROM BIT_SHIFT_TABLE;
INSERT INTO BIT_SHIFT_TABLE SELECT b>>8 FROM BIT_SHIFT_TABLE;
SELECT POSITION(B'1101' IN b),
POSITION(B'11011' IN b),
b
FROM BIT_SHIFT_TABLE ;
SELECT b, b >> 1 AS bsr, b << 1 AS bsl
FROM BIT_SHIFT_TABLE ;
SELECT b, b >> 8 AS bsr8, b << 8 AS bsl8
FROM BIT_SHIFT_TABLE ;
SELECT b::bit(15), b::bit(15) >> 1 AS bsr, b::bit(15) << 1 AS bsl
FROM BIT_SHIFT_TABLE ;
SELECT b::bit(15), b::bit(15) >> 8 AS bsr8, b::bit(15) << 8 AS bsl8
FROM BIT_SHIFT_TABLE ;
CREATE TABLE VARBIT_SHIFT_TABLE(v BIT VARYING(20));
INSERT INTO VARBIT_SHIFT_TABLE VALUES (B'11011');
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v || B'0' AS BIT VARYING(6)) >>1 FROM VARBIT_SHIFT_TABLE;
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v || B'00' AS BIT VARYING(8)) >>2 FROM VARBIT_SHIFT_TABLE;
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v || B'0000' AS BIT VARYING(12)) >>4 FROM VARBIT_SHIFT_TABLE;
INSERT INTO VARBIT_SHIFT_TABLE SELECT CAST(v || B'00000000' AS BIT VARYING(20)) >>8 FROM VARBIT_SHIFT_TABLE;
SELECT POSITION(B'1101' IN v),
POSITION(B'11011' IN v),
v
FROM VARBIT_SHIFT_TABLE ;
SELECT v, v >> 1 AS vsr, v << 1 AS vsl
FROM VARBIT_SHIFT_TABLE ;
SELECT v, v >> 8 AS vsr8, v << 8 AS vsl8
FROM VARBIT_SHIFT_TABLE ;
DROP TABLE BIT_SHIFT_TABLE;
DROP TABLE VARBIT_SHIFT_TABLE;
-- Get/Set bit
SELECT get_bit(B'0101011000100', 10);
SELECT set_bit(B'0101011000100100', 15, 1);
SELECT set_bit(B'0101011000100100', 16, 1); -- fail
-- Overlay
SELECT overlay(B'0101011100' placing '001' from 2 for 3);
SELECT overlay(B'0101011100' placing '101' from 6);
SELECT overlay(B'0101011100' placing '001' from 11);
SELECT overlay(B'0101011100' placing '001' from 20);
-- bit_count
SELECT bit_count(B'0101011100'::bit(10));
SELECT bit_count(B'1111111111'::bit(10));
-- This table is intentionally left around to exercise pg_dump/pg_upgrade
CREATE TABLE bit_defaults(
b1 bit(4) DEFAULT '1001',
b2 bit(4) DEFAULT B'0101',
b3 bit varying(5) DEFAULT '1001',
b4 bit varying(5) DEFAULT B'0101'
);
\d bit_defaults
INSERT INTO bit_defaults DEFAULT VALUES;
TABLE bit_defaults;
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