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Preserve the database encoding on the CAST operator in the 

sqlite3ValueFromExpr() routine.
[forum:/forumpost/800eecf5e6cdc3f4|Forum thread 800eecf5e6cdc3f4].
Test case in TH3.

FossilOrigin-Name: 3f6a442099b8264cc788e8aa2b12cc583439a5263c4fe433fd22b7af1be2458e
This commit is contained in:
drh 2022-06-07 10:14:22 +00:00
parent 6fdac75127
commit d580bea7d4
3 changed files with 9 additions and 10 deletions
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@ -1,5 +1,5 @@
C More\sprecise\sdetermination\sof\swhen\sa\sWHERE\sclause\scan\sbe\sused\sto\sdrive\san\nindex\son\san\souter\sjoin.
D 2022-06-06T23:22:06.986
C Preserve\sthe\sdatabase\sencoding\son\sthe\sCAST\soperator\sin\sthe\nsqlite3ValueFromExpr()\sroutine.\n[forum:/forumpost/800eecf5e6cdc3f4|Forum\sthread\s800eecf5e6cdc3f4].\nTest\scase\sin\sTH3.
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# Remove this line to create a well-formed Fossil manifest.

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318543a91108c6fd0764d7ee7beee49838f54d44c54dae3dc9d4cb8336d52fe1
3f6a442099b8264cc788e8aa2b12cc583439a5263c4fe433fd22b7af1be2458e

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@ -1571,8 +1571,8 @@ static int valueFromExpr(
rc = valueFromExpr(db, pExpr->pLeft, enc, aff, ppVal, pCtx);
testcase( rc!=SQLITE_OK );
if( *ppVal ){
sqlite3VdbeMemCast(*ppVal, aff, SQLITE_UTF8);
sqlite3ValueApplyAffinity(*ppVal, affinity, SQLITE_UTF8);
sqlite3VdbeMemCast(*ppVal, aff, enc);
sqlite3ValueApplyAffinity(*ppVal, affinity, enc);
}
return rc;
}