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Allow bit string constants without fully-specified length declaration.

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Implement conversion between 8-byte integers and bit strings.
 Similar to what is done for 4-byte integers.
This commit is contained in:
Thomas G. Lockhart
2002-08-04 06:33:59 +00:00
parent af704cdfb4
commit ce5dc562e6
4 changed files with 115 additions and 45 deletions
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12
src/test/regress/expected/bit.out
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@ -6,12 +6,12 @@
--
CREATE TABLE BIT_TABLE(b BIT(11));
INSERT INTO BIT_TABLE VALUES (B'10'); -- too short
ERROR: bit string length does not match type bit(11)
ERROR: Bit string length 2 does not match type BIT(11)
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
ERROR: bit string length does not match type bit(11)
ERROR: Bit string length 12 does not match type BIT(11)
--INSERT INTO BIT_TABLE VALUES ('X554');
--INSERT INTO BIT_TABLE VALUES ('X555');
SELECT * FROM BIT_TABLE;
@ -28,7 +28,7 @@ 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
ERROR: bit string too long for type bit varying(11)
ERROR: Bit string too long for type BIT VARYING(11)
--INSERT INTO VARBIT_TABLE VALUES ('X554');
--INSERT INTO VARBIT_TABLE VALUES ('X555');
SELECT * FROM VARBIT_TABLE;
@ -212,11 +212,11 @@ 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';
ERROR: cannot AND bit strings of different sizes
ERROR: Cannot AND bit strings of different sizes
select B'0111' | B'011';
ERROR: cannot OR bit strings of different sizes
ERROR: Cannot OR bit strings of different sizes
select B'0010' # B'011101';
ERROR: cannot XOR bit strings of different sizes
ERROR: Cannot XOR bit strings of different sizes
-- More position tests, checking all the boundary cases
SELECT POSITION(B'1010' IN B'0000101'); -- 0
position