Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Clearer presentation of the logic. No functional changes. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | skip-scan-improvement |
Files: | files | file ages | folders |
SHA1: |
a3dcf6db76cc09bdfedb1bbeba3b359b |
User & Date: | drh 2016-02-22 21:19:54.531 |
Context
2016-02-22
| ||
23:14 | Avoid an unnecessary seek operation some corner-case skip-scan operations. (check-in: 2a6003a937 user: drh tags: trunk) | |
21:19 | Clearer presentation of the logic. No functional changes. (Closed-Leaf check-in: a3dcf6db76 user: drh tags: skip-scan-improvement) | |
20:52 | Avoid an unnecessary seek operation on some corner-case skip-scans. (check-in: 38e837e605 user: drh tags: skip-scan-improvement) | |
Changes
Changes to src/wherecode.c.
︙ | |||
1208 1209 1210 1211 1212 1213 1214 | 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 | - + + + + + - + | }else if( bSeekPastNull ){ sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq); nConstraint++; startEq = 0; start_constraints = 1; } codeApplyAffinity(pParse, regBase, nConstraint - bSeekPastNull, zStartAff); |
︙ |