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Refactor the Table object to reduce its memory footprint.

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FossilOrigin-Name: bbb6759bcf6e01d36dfc787a82a610d359f50aaeac8104b73883a84906d54e1f
This commit is contained in:
drh
2021-08-02 16:41:57 +00:00
parent 79cf2b7120
commit f38524d20d
17 changed files with 246 additions and 205 deletions
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8
src/delete.c
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@@ -84,7 +84,7 @@ int sqlite3IsReadOnly(Parse *pParse, Table *pTab, int viewOk){
return 1;
}
#ifndef SQLITE_OMIT_VIEW
if( !viewOk && pTab->pSelect ){
if( !viewOk && IsView(pTab) ){
sqlite3ErrorMsg(pParse,"cannot modify %s because it is a view",pTab->zName);
return 1;
}
@@ -301,7 +301,7 @@ void sqlite3DeleteFrom(
*/
#ifndef SQLITE_OMIT_TRIGGER
pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0);
isView = pTab->pSelect!=0;
isView = IsView(pTab);
#else
# define pTrigger 0
# define isView 0
@@ -551,7 +551,7 @@ void sqlite3DeleteFrom(
if( eOnePass!=ONEPASS_OFF ){
assert( nKey==nPk ); /* OP_Found will use an unpacked key */
if( !IsVirtual(pTab) && aToOpen[iDataCur-iTabCur] ){
assert( pPk!=0 || pTab->pSelect!=0 );
assert( pPk!=0 || IsView(pTab) );
sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, addrBypass, iKey, nKey);
VdbeCoverage(v);
}
@@ -785,7 +785,7 @@ void sqlite3GenerateRowDelete(
** the update-hook is not invoked for rows removed by REPLACE, but the
** pre-update-hook is.
*/
if( pTab->pSelect==0 ){
if( !IsView(pTab) ){
u8 p5 = 0;
sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,iIdxNoSeek);
sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, (count?OPFLAG_NCHANGE:0));