1.Dd March 11, 2017 2.Dt SQLITE_STMTSTATUS_FULLSCAN_STEP 3 3.Os 4.Sh NAME 5.Nm SQLITE_STMTSTATUS_FULLSCAN_STEP , 6.Nm SQLITE_STMTSTATUS_SORT , 7.Nm SQLITE_STMTSTATUS_AUTOINDEX , 8.Nm SQLITE_STMTSTATUS_VM_STEP 9.Nd Status Parameters for prepared statements 10.Sh SYNOPSIS 11.Fd #define SQLITE_STMTSTATUS_FULLSCAN_STEP 12.Fd #define SQLITE_STMTSTATUS_SORT 13.Fd #define SQLITE_STMTSTATUS_AUTOINDEX 14.Fd #define SQLITE_STMTSTATUS_VM_STEP 15.Sh DESCRIPTION 16These preprocessor macros define integer codes that name counter values 17associated with the sqlite3_stmt_status() interface. 18The meanings of the various counters are as follows: 19.Bl -tag -width Ds 20.It SQLITE_STMTSTATUS_FULLSCAN_STEP 21This is the number of times that SQLite has stepped forward in a table 22as part of a full table scan. 23Large numbers for this counter may indicate opportunities for performance 24improvement through careful use of indices. 25.It SQLITE_STMTSTATUS_SORT 26This is the number of sort operations that have occurred. 27A non-zero value in this counter may indicate an opportunity to improvement 28performance through careful use of indices. 29.It SQLITE_STMTSTATUS_AUTOINDEX 30This is the number of rows inserted into transient indices that were 31created automatically in order to help joins run faster. 32A non-zero value in this counter may indicate an opportunity to improvement 33performance by adding permanent indices that do not need to be reinitialized 34each time the statement is run. 35.It SQLITE_STMTSTATUS_VM_STEP 36This is the number of virtual machine operations executed by the prepared 37statement if that number is less than or equal to 2147483647. 38The number of virtual machine operations can be used as a proxy for 39the total work done by the prepared statement. 40If the number of virtual machine operations exceeds 2147483647 then 41the value returned by this statement status code is undefined. 42.El 43.Pp 44.Sh SEE ALSO 45.Xr sqlite3_stmt_status 3 46