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Simplification to the resolveAlias() routine.

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FossilOrigin-Name: 00bead3931135af80475c22f08cbb26c914518e8f2c7e73c2b8be1cee4ac4d5e
This commit is contained in:
drh 2021-02-16 20:32:17 +00:00
parent 13162ef975
commit 6b37b762ed
3 changed files with 10 additions and 12 deletions

12
manifest

@ -1,5 +1,5 @@
C New\sSELECTTRACE\smacros\smore\sclearly\sdeliniate\swhen\sthe\squery\splanner\sis\ninvoked\sin\sthe\smiddle\sof\sPRAGMA\svdbe_addoptrace\soutput.
D 2021-02-16T20:01:08.164
C Simplification\sto\sthe\sresolveAlias()\sroutine.
D 2021-02-16T20:32:17.668
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -539,7 +539,7 @@ F src/pragma.h 8dc78ab7e9ec6ce3ded8332810a2066f1ef6267e2e03cd7356ee00276125c6cf
F src/prepare.c f288cbc35f79eb32e162de7e80a63ebe00d80e639dcfac071bee11570cbdb16f
F src/printf.c 30e92b638fac71dcd85cdea1d12ecfae354c9adee2c71e8e1ae4727cde7c91ed
F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
F src/resolve.c 89e4faf6171e179edf279905e8e45c4f9dd108777dc60716396729fbd7cb045e
F src/resolve.c 172d0f27c021b1d572e73b6f04f3e2695f2932233d3f5e675bd85b028fa2fb75
F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
F src/select.c d009aafcd9304b8406809fc808ce8c2cd55471552d242b98bd3006d0ad55cd12
F src/shell.c.in 9ebc74e4f05cfbd0f4a36060fdaeff1da4e9af4458358722bc08c5a1ab9a0879
@ -1900,7 +1900,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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R d43052c777aaa14629da9c7e3bc44da1
P 7c03ce49b74f72b63dd75c3a02625e671bfd771f71b24e808994322b00d97677
R 1b54c7cb4db039e6ced5272704b39604
U drh
Z eeb77f51dc50205cf2215ff7ac94a3a0
Z 6cadfbe2d2e5d960db064c83d646ea7d

2
manifest.uuid

@ -1 +1 @@
7c03ce49b74f72b63dd75c3a02625e671bfd771f71b24e808994322b00d97677
00bead3931135af80475c22f08cbb26c914518e8f2c7e73c2b8be1cee4ac4d5e

8
src/resolve.c

@ -70,7 +70,6 @@ static void resolveAlias(
ExprList *pEList, /* A result set */
int iCol, /* A column in the result set. 0..pEList->nExpr-1 */
Expr *pExpr, /* Transform this into an alias to the result set */
const char *zType, /* "GROUP" or "ORDER" or "" */
int nSubquery /* Number of subqueries that the label is moving */
){
Expr *pOrig; /* The iCol-th column of the result set */
@ -83,7 +82,7 @@ static void resolveAlias(
db = pParse->db;
pDup = sqlite3ExprDup(db, pOrig, 0);
if( pDup!=0 ){
if( zType[0]!='G' ) incrAggFunctionDepth(pDup, nSubquery);
if( nSubquery ) incrAggFunctionDepth(pDup, nSubquery);
if( pExpr->op==TK_COLLATE ){
pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken);
}
@ -524,7 +523,7 @@ static int lookupName(
sqlite3ErrorMsg(pParse, "row value misused");
return WRC_Abort;
}
resolveAlias(pParse, pEList, j, pExpr, "", nSubquery);
resolveAlias(pParse, pEList, j, pExpr, nSubquery);
cnt = 1;
pMatch = 0;
assert( zTab==0 && zDb==0 );
@ -1401,8 +1400,7 @@ int sqlite3ResolveOrderGroupBy(
resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
return 1;
}
resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr,
zType,0);
resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr,0);
}
}
return 0;