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Improved technique for parsing the ON and USING clauses of a join is faster

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and uses less memory.

FossilOrigin-Name: 158156a3e3d50042cafc75dea3aaaa68b1f2efb9c3d178518ea6e68e32e0d21c
This commit is contained in:
drh
2022-04-07 01:11:13 +00:00
parent 200adc9e75
commit d44f8b2385
16 changed files with 150 additions and 113 deletions
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4
src/delete.c
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@@ -128,8 +128,8 @@ void sqlite3MaterializeView(
assert( pFrom->nSrc==1 );
pFrom->a[0].zName = sqlite3DbStrDup(db, pView->zName);
pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName);
assert( pFrom->a[0].pOn==0 );
assert( pFrom->a[0].pUsing==0 );
assert( pFrom->a[0].fg.isUsing==0 );
assert( pFrom->a[0].u3.pOn==0 );
}
pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, pOrderBy,
SF_IncludeHidden, pLimit);