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| author | drh <drh@noemail.net> | 2016-03-10 14:28:24 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2016-03-10 14:28:24 +0000 |
| commit | ecdf20d3a420d3c5d31238cae6422751f8be824c (patch) | |
| tree | 2fdf3fbbb9c1d8b4887f54b54f6b9c3907e3dce5 /src/util.c | |
| parent | 6459ca0b8ceb8a8ac6008c810667d7060836b939 (diff) | |
| download | sqlite-ecdf20d3a420d3c5d31238cae6422751f8be824c.tar.gz sqlite-ecdf20d3a420d3c5d31238cae6422751f8be824c.zip | |
Use #ifdefs to remove code that is unreachable in some configurations, replacing
it with an assert().
FossilOrigin-Name: f96ec84d605fd73c323344a753acf35b76307af9
Diffstat (limited to 'src/util.c')
| -rw-r--r-- | src/util.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/util.c b/src/util.c index 6aead47fa..d6a6f6b95 100644 --- a/src/util.c +++ b/src/util.c @@ -1424,9 +1424,14 @@ u64 sqlite3LogEstToInt(LogEst x){ x /= 10; if( n>=5 ) n -= 2; else if( n>=1 ) n -= 1; - if( x>=3 ){ - return x>60 ? (u64)LARGEST_INT64 : (n+8)<<(x-3); - } - return (n+8)>>(3-x); +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \ + defined(SQLITE_EXPLAIN_ESTIMATED_ROWS) + if( x>60 ) return (u64)LARGEST_INT64; +#else + /* If only SQLITE_ENABLE_STAT3_OR_STAT4 is on, then the largest input + ** possible to this routine is 310, resulting in a maximum x of 31 */ + assert( x<=60 ); +#endif + return x>=3 ? (n+8)<<(x-3) : (n+8)>>(3-x); } #endif /* defined SCANSTAT or STAT4 or ESTIMATED_ROWS */ |