# SQLite &Functions;

&reftitle.classes;

### `SQLiteDatabase`

Represents an opened SQLite database.

&reftitle.constructor;

- __construct - construct a new SQLiteDatabase object

&reftitle.methods;

- query - Execute a query

- queryExec - Execute a result-less query

- arrayQuery - Execute a query and return the result as an array

- singleQuery - Execute a query and return either an array for one single column or the value of the first row

- unbufferedQuery - Execute an unbuffered query

- lastInsertRowid - Returns the rowid of the most recently inserted row

- changes - Returns the number of rows changed by the most recent statement

- createAggregate - Register an aggregating UDF for use in SQL statements

- createFunction - Register a UDF for use in SQL statements

- busyTimeout - Sets or disables busy timeout duration

- lastError - Returns the last error code of the most recently encountered error

- fetchColumnTypes - Return an array of column types from a particular table

### `SQLiteResult`

Represents a buffered SQLite result set.

&reftitle.methods;

- fetch - Fetches the next row from the result set as an array

- fetchObject - Fetches the next row from the result set as an object

- fetchSingle - Fetches the first column from the result set as a string

- fetchAll - Fetches all rows from the result set as an array of arrays

- column - Fetches a column from the current row of the result set

- numFields - Returns the number of fields in the result set

- fieldName - Returns the name of a particular field in the result set

- current - Fetches the current row from the result set as an array

- key - Return the current row index

- next - Seek to the next row number

- valid - Returns whether more rows are available

- rewind - Seek to the first row number of the result set

- prev - Seek to the previous row number of the result set

- hasPrev - Returns whether or not a previous row is available

- numRows - Returns the number of rows in the result set

- seek - Seek to a particular row number

### `SQLiteUnbuffered`

Represents an unbuffered SQLite result set. Unbuffered results sets are sequential, forward-seeking only.

&reftitle.methods;

- fetch - Fetches the next row from the result set as an array

- fetchObject - Fetches the next row from the result set as an object

- fetchSingle - Fetches the first column from the result set as a string

- fetchAll - Fetches all rows from the result set as an array of arrays

- column - Fetches a column from the current row of the result set

- numFields - Returns the number of fields in the result set

- fieldName - Returns the name of a particular field in the result set

- current - Fetches the current row from the result set as an array

- next - Seek to the next row number

- valid - Returns whether more rows are available

&reference.sqlite.entities.functions;