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https://github.com/jart/cosmopolitan.git
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Upgrade SQLite to 3.40 (#699)
This commit is contained in:
Paul Kulchenko
GitHub
parent
bcae817215
commit
0dc0758574
151 changed files with 27917 additions and 22169 deletions
74
third_party/sqlite3/update.c
vendored
74
third_party/sqlite3/update.c
vendored
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@ -12,8 +12,7 @@
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** This file contains C code routines that are called by the parser
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** to handle UPDATE statements.
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*/
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#include "third_party/sqlite3/sqliteInt.inc"
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/* clang-format off */
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#include "third_party/sqlite3/sqliteInt.h"
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#ifndef SQLITE_OMIT_VIRTUALTABLE
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/* Forward declaration */
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@ -60,21 +59,25 @@ static void updateVirtualTable(
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** it has been converted into REAL.
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*/
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void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){
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Column *pCol;
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assert( pTab!=0 );
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if( !pTab->pSelect ){
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assert( pTab->nCol>i );
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pCol = &pTab->aCol[i];
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if( pCol->iDflt ){
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sqlite3_value *pValue = 0;
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u8 enc = ENC(sqlite3VdbeDb(v));
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Column *pCol = &pTab->aCol[i];
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VdbeComment((v, "%s.%s", pTab->zName, pCol->zName));
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assert( !IsView(pTab) );
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VdbeComment((v, "%s.%s", pTab->zName, pCol->zCnName));
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assert( i<pTab->nCol );
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sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc,
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sqlite3ValueFromExpr(sqlite3VdbeDb(v),
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sqlite3ColumnExpr(pTab,pCol), enc,
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pCol->affinity, &pValue);
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if( pValue ){
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sqlite3VdbeAppendP4(v, pValue, P4_MEM);
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}
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}
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#ifndef SQLITE_OMIT_FLOATING_POINT
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if( pTab->aCol[i].affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){
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if( pCol->affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){
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sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg);
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}
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#endif
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@ -221,6 +224,7 @@ static void updateFromSelect(
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assert( pTabList->nSrc>1 );
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if( pSrc ){
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pSrc->a[0].fg.notCte = 1;
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pSrc->a[0].iCursor = -1;
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pSrc->a[0].pTab->nTabRef--;
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pSrc->a[0].pTab = 0;
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@ -236,7 +240,7 @@ static void updateFromSelect(
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pList = sqlite3ExprListAppend(pParse, pList, pNew);
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}
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eDest = IsVirtual(pTab) ? SRT_Table : SRT_Upfrom;
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}else if( pTab->pSelect ){
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}else if( IsView(pTab) ){
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for(i=0; i<pTab->nCol; i++){
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pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i));
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}
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@ -250,7 +254,8 @@ static void updateFromSelect(
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}
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#endif
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}
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if( ALWAYS(pChanges) ){
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assert( pChanges!=0 || pParse->db->mallocFailed );
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if( pChanges ){
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for(i=0; i<pChanges->nExpr; i++){
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pList = sqlite3ExprListAppend(pParse, pList,
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sqlite3ExprDup(db, pChanges->a[i].pExpr, 0)
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@ -258,8 +263,9 @@ static void updateFromSelect(
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}
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}
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pSelect = sqlite3SelectNew(pParse, pList,
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pSrc, pWhere2, pGrp, 0, pOrderBy2, SF_UpdateFrom|SF_IncludeHidden, pLimit2
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pSrc, pWhere2, pGrp, 0, pOrderBy2, SF_UFSrcCheck|SF_IncludeHidden, pLimit2
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);
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if( pSelect ) pSelect->selFlags |= SF_OrderByReqd;
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sqlite3SelectDestInit(&dest, eDest, iEph);
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dest.iSDParm2 = (pPk ? pPk->nKeyCol : -1);
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sqlite3Select(pParse, pSelect, &dest);
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@ -344,9 +350,11 @@ void sqlite3Update(
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memset(&sContext, 0, sizeof(sContext));
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db = pParse->db;
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if( pParse->nErr || db->mallocFailed ){
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assert( db->pParse==pParse );
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if( pParse->nErr ){
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goto update_cleanup;
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}
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assert( db->mallocFailed==0 );
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/* Locate the table which we want to update.
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*/
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@ -359,7 +367,7 @@ void sqlite3Update(
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*/
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#ifndef SQLITE_OMIT_TRIGGER
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pTrigger = sqlite3TriggersExist(pParse, pTab, TK_UPDATE, pChanges, &tmask);
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isView = pTab->pSelect!=0;
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isView = IsView(pTab);
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assert( pTrigger || tmask==0 );
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#else
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# define pTrigger 0
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@ -371,6 +379,14 @@ void sqlite3Update(
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# define isView 0
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#endif
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#if TREETRACE_ENABLED
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if( sqlite3TreeTrace & 0x10000 ){
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sqlite3TreeViewLine(0, "In sqlite3Update() at %s:%d", __FILE__, __LINE__);
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sqlite3TreeViewUpdate(pParse->pWith, pTabList, pChanges, pWhere,
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onError, pOrderBy, pLimit, pUpsert, pTrigger);
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}
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#endif
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/* If there was a FROM clause, set nChangeFrom to the number of expressions
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** in the change-list. Otherwise, set it to 0. There cannot be a FROM
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** clause if this function is being called to generate code for part of
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@ -448,13 +464,16 @@ void sqlite3Update(
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*/
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chngRowid = chngPk = 0;
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for(i=0; i<pChanges->nExpr; i++){
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u8 hCol = sqlite3StrIHash(pChanges->a[i].zEName);
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/* If this is an UPDATE with a FROM clause, do not resolve expressions
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** here. The call to sqlite3Select() below will do that. */
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if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){
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goto update_cleanup;
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}
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for(j=0; j<pTab->nCol; j++){
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if( sqlite3StrICmp(pTab->aCol[j].zName, pChanges->a[i].zEName)==0 ){
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if( pTab->aCol[j].hName==hCol
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&& sqlite3StrICmp(pTab->aCol[j].zCnName, pChanges->a[i].zEName)==0
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){
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if( j==pTab->iPKey ){
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chngRowid = 1;
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pRowidExpr = pChanges->a[i].pExpr;
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@ -468,7 +487,7 @@ void sqlite3Update(
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testcase( pTab->aCol[j].colFlags & COLFLAG_STORED );
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sqlite3ErrorMsg(pParse,
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"cannot UPDATE generated column \"%s\"",
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pTab->aCol[j].zName);
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pTab->aCol[j].zCnName);
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goto update_cleanup;
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}
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#endif
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@ -492,7 +511,7 @@ void sqlite3Update(
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{
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int rc;
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rc = sqlite3AuthCheck(pParse, SQLITE_UPDATE, pTab->zName,
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j<0 ? "ROWID" : pTab->aCol[j].zName,
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j<0 ? "ROWID" : pTab->aCol[j].zCnName,
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db->aDb[iDb].zDbSName);
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if( rc==SQLITE_DENY ){
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goto update_cleanup;
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@ -524,8 +543,10 @@ void sqlite3Update(
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for(i=0; i<pTab->nCol; i++){
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if( aXRef[i]>=0 ) continue;
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if( (pTab->aCol[i].colFlags & COLFLAG_GENERATED)==0 ) continue;
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if( sqlite3ExprReferencesUpdatedColumn(pTab->aCol[i].pDflt,
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aXRef, chngRowid) ){
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if( sqlite3ExprReferencesUpdatedColumn(
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sqlite3ColumnExpr(pTab, &pTab->aCol[i]),
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aXRef, chngRowid)
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){
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aXRef[i] = 99999;
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bProgress = 1;
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}
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@ -713,7 +734,7 @@ void sqlite3Update(
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if( !pParse->nested && !pTrigger && !hasFK && !chngKey && !bReplace ){
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flags |= WHERE_ONEPASS_MULTIROW;
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}
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pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, flags,iIdxCur);
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pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere,0,0,0,flags,iIdxCur);
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if( pWInfo==0 ) goto update_cleanup;
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/* A one-pass strategy that might update more than one row may not
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@ -800,7 +821,12 @@ void sqlite3Update(
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/* Top of the update loop */
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if( eOnePass!=ONEPASS_OFF ){
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if( !isView && aiCurOnePass[0]!=iDataCur && aiCurOnePass[1]!=iDataCur ){
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if( aiCurOnePass[0]!=iDataCur
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&& aiCurOnePass[1]!=iDataCur
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#ifdef SQLITE_ALLOW_ROWID_IN_VIEW
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&& !isView
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#endif
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){
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assert( pPk );
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sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelBreak, regKey,nKey);
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VdbeCoverage(v);
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@ -1005,7 +1031,7 @@ void sqlite3Update(
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}else{
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sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid);
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}
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VdbeCoverageNeverTaken(v);
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VdbeCoverage(v);
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}
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/* Do FK constraint checks. */
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@ -1108,9 +1134,7 @@ void sqlite3Update(
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** that information.
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*/
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if( regRowCount ){
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sqlite3VdbeAddOp2(v, OP_ChngCntRow, regRowCount, 1);
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sqlite3VdbeSetNumCols(v, 1);
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sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows updated", SQLITE_STATIC);
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sqlite3CodeChangeCount(v, regRowCount, "rows updated");
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}
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update_cleanup:
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@ -1232,7 +1256,9 @@ static void updateVirtualTable(
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regRowid = ++pParse->nMem;
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/* Start scanning the virtual table */
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pWInfo = sqlite3WhereBegin(pParse, pSrc,pWhere,0,0,WHERE_ONEPASS_DESIRED,0);
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pWInfo = sqlite3WhereBegin(
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pParse, pSrc, pWhere, 0, 0, 0, WHERE_ONEPASS_DESIRED, 0
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);
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if( pWInfo==0 ) return;
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/* Populate the argument registers. */
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