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If a table has one or more rows and it has a partial index has zero rows,

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still make an entry in the sqlite_stat1 table for the partial index, so that
we know that "PRAGMA optimize" does not need to redo the whole table.

FossilOrigin-Name: e147b18991dd462fff367442acb0504fdf193a31843ed34ec8c1ced30747bf8a
This commit is contained in:
drh
2024-02-19 16:22:58 +00:00
parent 6c6356f7f2
commit e7bdb2172c
7 changed files with 70 additions and 59 deletions
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8
src/btree.c
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@@ -6182,10 +6182,10 @@ i64 sqlite3BtreeRowCountEst(BtCursor *pCur){
assert( cursorOwnsBtShared(pCur) );
assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) );
/* Currently this interface is only called by the OP_IfSmaller
** opcode, and it that case the cursor will always be valid and
** will always point to a leaf node. */
if( NEVER(pCur->eState!=CURSOR_VALID) ) return -1;
/* Currently this interface is only called by the OP_IfSizeBetween
** opcode and the OP_Count opcode with P3=1. In either case,
** the cursor will always be valid unless the btree is empty. */
if( pCur->eState!=CURSOR_VALID ) return 0;
if( NEVER(pCur->pPage->leaf==0) ) return -1;
n = pCur->pPage->nCell;