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Overview
| Comment: | Minor tweak to patch on this branch to reclaim some cycles. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | filter-clause |
| Files: | files | file ages | folders |
| SHA3-256: |
81eed055de856068109a7e332cca0c3f |
| User & Date: | dan 2019-07-05 17:38:55 |
Context
|
2019-07-05
| ||
| 19:10 | Another very small performance improvement. (check-in: 7a1e30a1 user: dan tags: filter-clause) | |
| 17:38 | Minor tweak to patch on this branch to reclaim some cycles. (check-in: 81eed055 user: dan tags: filter-clause) | |
|
2019-07-03
| ||
| 18:31 | Add tests for the FILTER clause. And a bugfix. (check-in: 28aa1702 user: dan tags: filter-clause) | |
Changes
Changes to src/select.c.
6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 |
for(i=0; i<sAggInfo.nFunc; i++){
Expr *pExpr = sAggInfo.aFunc[i].pExpr;
assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
sNC.ncFlags |= NC_InAggFunc;
sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList);
#ifndef SQLITE_OMIT_WINDOWFUNC
assert( !ExprHasProperty(pExpr, EP_WinFunc) );
sqlite3ExprAnalyzeAggregates(&sNC, pExpr->y.pFilter);
#endif
sNC.ncFlags &= ~NC_InAggFunc;
}
sAggInfo.mxReg = pParse->nMem;
if( db->mallocFailed ) goto select_end;
#if SELECTTRACE_ENABLED
if( sqlite3SelectTrace & 0x400 ){
|
> | > |
6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 |
for(i=0; i<sAggInfo.nFunc; i++){
Expr *pExpr = sAggInfo.aFunc[i].pExpr;
assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
sNC.ncFlags |= NC_InAggFunc;
sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList);
#ifndef SQLITE_OMIT_WINDOWFUNC
assert( !ExprHasProperty(pExpr, EP_WinFunc) );
if( pExpr->y.pFilter ){
sqlite3ExprAnalyzeAggregates(&sNC, pExpr->y.pFilter);
}
#endif
sNC.ncFlags &= ~NC_InAggFunc;
}
sAggInfo.mxReg = pParse->nMem;
if( db->mallocFailed ) goto select_end;
#if SELECTTRACE_ENABLED
if( sqlite3SelectTrace & 0x400 ){
|
Changes to test/window2.tcl.
419 420 421 422 423 424 425 426 427 428 429 430 431 |
execsql_float_test 4.9 {
SELECT
rank() OVER win AS rank,
cume_dist() OVER win AS cume_dist FROM t1
WINDOW win AS (ORDER BY 1);
}
finish_test
|
> > > > |
419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 |
execsql_float_test 4.9 {
SELECT
rank() OVER win AS rank,
cume_dist() OVER win AS cume_dist FROM t1
WINDOW win AS (ORDER BY 1);
}
execsql_test 4.10 {
SELECT count(*) OVER (ORDER BY b) FROM t1
}
finish_test
|
Changes to test/window2.test.
889 890 891 892 893 894 895 896 |
error "list element [set i] does not match: got=[set r] expected=[set r2]"
}
incr i
}
set {} {}
} {}
finish_test
|
> > > > |
889 890 891 892 893 894 895 896 897 898 899 900 |
error "list element [set i] does not match: got=[set r] expected=[set r2]"
}
incr i
}
set {} {}
} {}
do_execsql_test 4.10 {
SELECT count(*) OVER (ORDER BY b) FROM t1
} {3 3 3 6 6 6}
finish_test
|