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Diffstat (limited to 'src/test/regress/sql/bit.sql')
| -rw-r--r-- | src/test/regress/sql/bit.sql | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/test/regress/sql/bit.sql b/src/test/regress/sql/bit.sql new file mode 100644 index 0000000..0a424e7 --- /dev/null +++ b/src/test/regress/sql/bit.sql @@ -0,0 +1,231 @@ +-- +-- 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; |