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Overview
| Comment: | Remove unnecessary tests from the LIKE pattern matcher. Slightly faster and slightly smaller, and it should also now works with EBCDIC. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0a99a8c4facf65ec67d8d86108c9a3f7 |
| User & Date: | drh 2015-12-30 14:06:22 |
References
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2016-01-20
| ||
| 14:30 | Case folding in the LIKE operator should look at all bits of the character, not just the lower 8 bits. Fix for ticket [80369eddd5c94]. This is a back-out of check-in [0a99a8c4facf] with a testcase added. (check-in: 29dc4a3e user: drh tags: branch-3.10) | |
| 14:22 | Case folding in the LIKE operator should look at all bits of the character, not just the lower 8 bits. Fix for ticket [80369eddd5c94]. This is a back-out of check-in [0a99a8c4facf] with a testcase added. (check-in: 204432ee user: drh tags: trunk) | |
| 14:07 | • New ticket [80369edd] Incorrect case folding in the LIKE operator. (artifact: b3016558 user: drh) | |
Context
|
2016-01-20
| ||
| 14:22 | Case folding in the LIKE operator should look at all bits of the character, not just the lower 8 bits. Fix for ticket [80369eddd5c94]. This is a back-out of check-in [0a99a8c4facf] with a testcase added. (check-in: 204432ee user: drh tags: trunk) | |
|
2015-12-30
| ||
| 15:18 | Simplification to the xfer-optimization logic. (check-in: f35ba018 user: drh tags: trunk) | |
| 14:06 | Remove unnecessary tests from the LIKE pattern matcher. Slightly faster and slightly smaller, and it should also now works with EBCDIC. (check-in: 0a99a8c4 user: drh tags: trunk) | |
| 01:07 | Add the json_group_array() and json_group_object() aggregate functions to the JSON1 extension. (check-in: 7f386a93 user: drh tags: trunk) | |
Changes
Changes to src/func.c.
743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 |
return 0;
}
continue;
}
}
c2 = Utf8Read(zString);
if( c==c2 ) continue;
if( noCase && c<0x80 && c2<0x80 && sqlite3Tolower(c)==sqlite3Tolower(c2) ){
continue;
}
if( c==matchOne && zPattern!=zEscaped && c2!=0 ) continue;
return 0;
}
return *zString==0;
}
|
| |
743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 |
return 0;
}
continue;
}
}
c2 = Utf8Read(zString);
if( c==c2 ) continue;
if( noCase && sqlite3Tolower(c)==sqlite3Tolower(c2) ){
continue;
}
if( c==matchOne && zPattern!=zEscaped && c2!=0 ) continue;
return 0;
}
return *zString==0;
}
|