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| Comment: | Add the estimated number of output rows to the EXPLAIN QUERY PLAN output if compiled with SQLITE_EXPLAIN_ESTIMATED_ROWS. This feature is off by default for the time being. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
daa8314fba9dc3c4f5e7fbda42c97604 |
| User & Date: | drh 2014-10-10 17:20:39 |
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2014-10-10
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| 17:44 | Provide the new "-config CONFIG" option to the test/releasetest.tcl script, which allows one to run a single test configuration selected by name. (check-in: d479e32b user: drh tags: trunk) | |
| 17:20 | Add the estimated number of output rows to the EXPLAIN QUERY PLAN output if compiled with SQLITE_EXPLAIN_ESTIMATED_ROWS. This feature is off by default for the time being. (check-in: daa8314f user: drh tags: trunk) | |
| 15:47 | Simplify the code used to generate the text for EXPLAIN QUERY PLAN. (check-in: beea1efc user: drh tags: trunk) | |
Changes to src/where.c.
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sqlite3StrAccumAppendAll(&str, zRange);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( (flags & WHERE_VIRTUALTABLE)!=0 ){
sqlite3XPrintf(&str, 0, " VIRTUAL TABLE INDEX %d:%s",
pLoop->u.vtab.idxNum, pLoop->u.vtab.idxStr);
}
#endif
zMsg = sqlite3StrAccumFinish(&str);
sqlite3VdbeAddOp4(v, OP_Explain, iId, iLevel, iFrom, zMsg, P4_DYNAMIC);
}
}
#else
# define explainOneScan(u,v,w,x,y,z)
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> > > > > > > |
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sqlite3StrAccumAppendAll(&str, zRange);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( (flags & WHERE_VIRTUALTABLE)!=0 ){
sqlite3XPrintf(&str, 0, " VIRTUAL TABLE INDEX %d:%s",
pLoop->u.vtab.idxNum, pLoop->u.vtab.idxStr);
}
#endif
#ifdef SQLITE_EXPLAIN_ESTIMATED_ROWS
if( pLoop->nOut>=10 ){
sqlite3XPrintf(&str, 0, " (~%llu rows)", sqlite3LogEstToInt(pLoop->nOut));
}else{
sqlite3StrAccumAppend(&str, " (~1 row)", 9);
}
#endif
zMsg = sqlite3StrAccumFinish(&str);
sqlite3VdbeAddOp4(v, OP_Explain, iId, iLevel, iFrom, zMsg, P4_DYNAMIC);
}
}
#else
# define explainOneScan(u,v,w,x,y,z)
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