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| author | Keith Bostic <keith@wiredtiger.com> | 2015-01-10 13:52:12 -0500 |
|---|---|---|
| committer | Keith Bostic <keith@wiredtiger.com> | 2015-01-10 13:52:12 -0500 |
| commit | f28cef19f4c0d556c28f302290650a59027b9168 (patch) | |
| tree | 3f8c8cec0464a3832dbd8fffc3ee2cfe988ffcf7 /lang/python/wiredtiger.i | |
| parent | f2e343b02fce463879fb002f30468a4f029082f4 (diff) | |
| download | mongo-f28cef19f4c0d556c28f302290650a59027b9168.tar.gz | |
Add support for the WT_CURSOR.compare_equal method.
Diffstat (limited to 'lang/python/wiredtiger.i')
| -rw-r--r-- | lang/python/wiredtiger.i | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/lang/python/wiredtiger.i b/lang/python/wiredtiger.i index 8eb1c59ee1e..f4a2801ed4c 100644 --- a/lang/python/wiredtiger.i +++ b/lang/python/wiredtiger.i @@ -381,6 +381,7 @@ NOTFOUND_OK(__wt_cursor::search) NOTFOUND_OK(__wt_cursor::update) COMPARE_OK(__wt_cursor::compare) +COMPARE_OK(__wt_cursor::compare_equal) COMPARE_OK(__wt_cursor::search_near) /* Lastly, some methods need no (additional) error checking. */ @@ -415,6 +416,7 @@ COMPARE_OK(__wt_cursor::search_near) /* Next, override methods that return integers via arguments. */ %ignore __wt_cursor::compare(WT_CURSOR *, WT_CURSOR *, int *); +%ignore __wt_cursor::compare_equal(WT_CURSOR *, WT_CURSOR *, int *); %ignore __wt_cursor::search_near(WT_CURSOR *, int *); /* SWIG magic to turn Python byte strings into data / size. */ @@ -673,7 +675,7 @@ typedef int int_void; return (ret); } - /* compare and search_near need special handling. */ + /* compare: special handling. */ int compare(WT_CURSOR *other) { int cmp = 0; int ret = 0; @@ -691,12 +693,37 @@ typedef int int_void; * Map less-than-zero to -1 and greater-than-zero to 1 * to avoid colliding with other errors. */ - ret = ((ret != 0) ? ret : - (cmp < 0) ? -1 : (cmp == 0) ? 0 : 1); + ret = (ret != 0) ? ret : + ((cmp < 0) ? -1 : (cmp == 0) ? 0 : 1); } return (ret); } + /* compare_equal: special handling. */ + int compare_equal(WT_CURSOR *other) { + int cmp = 0; + int ret = 0; + if (other == NULL) { + SWIG_Error(SWIG_NullReferenceError, + "in method 'Cursor_compare_equal', " + "argument 1 of type 'struct __wt_cursor *' " + "is None"); + ret = EINVAL; /* any non-zero value will do. */ + } + else { + ret = $self->compare_equal($self, other, &cmp); + + /* + * Compare-equal is documented to return 0 and !0, map + * less-than-zero and greater-than-zero to 1 to avoid + * colliding with other errors. + */ + ret = (ret != 0) ? ret : (cmp == 0 ? 0 : 1); + } + return (ret); + } + + /* search_near: special handling. */ int search_near() { int cmp = 0; int ret = $self->search_near($self, &cmp); @@ -704,8 +731,7 @@ typedef int int_void; * Map less-than-zero to -1 and greater-than-zero to 1 to avoid * colliding with WT_NOTFOUND. */ - return ((ret != 0) ? ret : - (cmp < 0) ? -1 : (cmp == 0) ? 0 : 1); + return ((ret != 0) ? ret : (cmp < 0) ? -1 : (cmp == 0) ? 0 : 1); } int _freecb() { |