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In the MULTI-INDEX OR query plan, code for sub-expressions can sometimes be

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generated twice.  But for some subqueries, generating code off of the same
tree twice causes problems.  So now MULTI-INDEX OR makes a copy of the
sub-expressions it uses to avoid code-generating them more than once.
dbsqlfuzz 9ebd2140e7206ff724e665f172faea28af801635.

FossilOrigin-Name: 4a55f72542c8bcc80253aa77043314cecb29d73cb4f51aa80f7811e86cc8ef68
This commit is contained in:
drh
2021-05-18 19:10:10 +00:00
parent e74ca517b4
commit 93ffb50fcd
7 changed files with 44 additions and 14 deletions
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src/vdbe.c
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@@ -592,7 +592,7 @@ static void registerTrace(int iReg, Mem *p){
printf("\n");
sqlite3VdbeCheckMemInvariants(p);
}
void sqlite3PrintMem(Mem *pMem){
/**/ void sqlite3PrintMem(Mem *pMem){
memTracePrint(pMem);
printf("\n");
fflush(stdout);