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Overview
Comment: | Fix the "Synopsis" on the OP_Lt, OP_Le, OP_Gt, and OP_Ge opcodes, which has been backwards for time out of mind. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | rowvalue |
Files: | files | file ages | folders |
SHA1: |
f51248dcfa22e989dacde41021e96a65 |
User & Date: | drh 2016-08-27 01:41:53.133 |
Context
2016-08-27
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14:13 | Merge updates from trunk. (check-in: 082fd5f8ac user: drh tags: rowvalue) | |
01:41 | Fix the "Synopsis" on the OP_Lt, OP_Le, OP_Gt, and OP_Ge opcodes, which has been backwards for time out of mind. (check-in: f51248dcfa user: drh tags: rowvalue) | |
2016-08-26
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22:09 | Fix a minor problem in sqlite3FindInIndex() related to rowids being used as part of the index. (check-in: 829f802be7 user: drh tags: rowvalue) | |
Changes
Changes to src/vdbe.c.
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1877 1878 1879 1880 1881 1882 1883 | UPDATE_MAX_BLOBSIZE(pIn1); if( rc ) goto abort_due_to_error; break; } #endif /* SQLITE_OMIT_CAST */ /* Opcode: Eq P1 P2 P3 P4 P5 | | | 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 | UPDATE_MAX_BLOBSIZE(pIn1); if( rc ) goto abort_due_to_error; break; } #endif /* SQLITE_OMIT_CAST */ /* Opcode: Eq P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]==r[P1] ** ** Compare the values in register P1 and P3. If reg(P3)==reg(P1) then ** jump to address P2. Or if the SQLITE_STOREP2 flag is set in P5, then ** store the result of comparison in register P2. ** ** The SQLITE_AFF_MASK portion of P5 must be an affinity character - ** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made |
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1911 1912 1913 1914 1915 1916 1917 | ** If neither operand is NULL the result is the same as it would be if ** the SQLITE_NULLEQ flag were omitted from P5. ** ** If both SQLITE_STOREP2 and SQLITE_KEEPNULL flags are set then the ** content of r[P2] is only set to 1 (true) if it was not previously NULL. */ /* Opcode: Ne P1 P2 P3 P4 P5 | | | | 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 | ** If neither operand is NULL the result is the same as it would be if ** the SQLITE_NULLEQ flag were omitted from P5. ** ** If both SQLITE_STOREP2 and SQLITE_KEEPNULL flags are set then the ** content of r[P2] is only set to 1 (true) if it was not previously NULL. */ /* Opcode: Ne P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]!=r[P1] ** ** This works just like the Eq opcode except that the jump is taken if ** the operands in registers P1 and P3 are not equal. See the Eq opcode for ** additional information. ** ** If both SQLITE_STOREP2 and SQLITE_KEEPNULL flags are set then the ** content of r[P2] is only set to 0 (false) if it was not previously NULL. */ /* Opcode: Lt P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]<r[P1] ** ** Compare the values in register P1 and P3. If reg(P3)<reg(P1) then ** jump to address P2. Or if the SQLITE_STOREP2 flag is set in P5 store ** the result of comparison (0 or 1 or NULL) into register P2. ** ** If the SQLITE_JUMPIFNULL bit of P5 is set and either reg(P1) or ** reg(P3) is NULL then the take the jump. If the SQLITE_JUMPIFNULL |
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1950 1951 1952 1953 1954 1955 1956 | ** P4 is used to do the comparison. If P4 is not specified then ** memcmp() is used to compare text string. If both values are ** numeric, then a numeric comparison is used. If the two values ** are of different types, then numbers are considered less than ** strings and strings are considered less than blobs. */ /* Opcode: Le P1 P2 P3 P4 P5 | | | | | 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 | ** P4 is used to do the comparison. If P4 is not specified then ** memcmp() is used to compare text string. If both values are ** numeric, then a numeric comparison is used. If the two values ** are of different types, then numbers are considered less than ** strings and strings are considered less than blobs. */ /* Opcode: Le P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]<=r[P1] ** ** This works just like the Lt opcode except that the jump is taken if ** the content of register P3 is less than or equal to the content of ** register P1. See the Lt opcode for additional information. */ /* Opcode: Gt P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]>r[P1] ** ** This works just like the Lt opcode except that the jump is taken if ** the content of register P3 is greater than the content of ** register P1. See the Lt opcode for additional information. */ /* Opcode: Ge P1 P2 P3 P4 P5 ** Synopsis: IF r[P3]>=r[P1] ** ** This works just like the Lt opcode except that the jump is taken if ** the content of register P3 is greater than or equal to the content of ** register P1. See the Lt opcode for additional information. */ case OP_Eq: /* same as TK_EQ, jump, in1, in3 */ case OP_Ne: /* same as TK_NE, jump, in1, in3 */ |
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