Enum Statement 

pub enum Statement {
    AddColumn(AddColumn),
    AlterColumn(AlterColumn),
    AlterTable(AlterTable),
    CopyTable(CopyTable),
    CreateIndex(CreateIndex),
    CreateTable(CreateTable),
    DropColumn(DropColumn),
    DropTable(DropTable),
    DropIndex(DropIndex),
    Pragma(Pragma),
    Delete(Delete),
    Insert(Insert),
    Query(Query),
    Update(Update),
}

Variants

AddColumn(AddColumn)

AlterColumn(AlterColumn)

AlterTable(AlterTable)

CopyTable(CopyTable)

CreateIndex(CreateIndex)

CreateTable(CreateTable)

DropColumn(DropColumn)

DropTable(DropTable)

DropIndex(DropIndex)

Pragma(Pragma)

Delete(Delete)

Insert(Insert)

Query(Query)

Update(Update)

Implementations

impl Statement

pub fn add_column(column: &Column, capability: &Capability) -> Self

Adds a column to a table.

impl Statement

pub fn alter_column( column: &Column, changes: AlterColumnChanges, capability: &Capability, ) -> Self

Alters a column.

impl Statement

pub fn alter_table_rename_to(table: &Table, new_name: &str) -> Self

Renames a table.

impl Statement

pub fn copy_table( source: Name, target: Name, columns: Vec<(Name, Name)>, ) -> Self

Creates a statement that copies rows from one table to another.

impl Statement

pub fn create_index(index: &Index) -> Self

impl Statement

pub fn create_table(table: &Table, capability: &Capability) -> Self

impl Statement

pub fn drop_column(column: &Column) -> Self

Drops a column from a table.

This function does not add an IF EXISTS clause.

pub fn drop_column_if_exists(column: &Column) -> Self

Drops a column from a table if it exists.

This function does add an IF EXISTS clause.

impl Statement

pub fn drop_index(index: &Index) -> Self

Drops an index.

This function does not add an IF EXISTS clause.

pub fn drop_index_if_exists(index: &Index) -> Self

Drops a index if it exists.

This function does add an IF EXISTS clause.

impl Statement

pub fn drop_table(table: &Table) -> Self

Drops a table.

This function does not add an IF EXISTS clause.

pub fn drop_table_if_exists(table: &Table) -> Self

Drops a table if it exists.

This function does add an IF EXISTS clause.

impl Statement

pub fn pragma_enable_foreign_keys() -> Self

Sets PRAGMA foreign_keys = ON.

pub fn pragma_disable_foreign_keys() -> Self

Sets PRAGMA foreign_keys = OFF.

pub fn pragma(name: impl Into<String>, value: impl Into<String>) -> Self

Creates a PRAGMA statement with the given name and value.

impl Statement

pub fn is_update(&self) -> bool

pub fn returning_len(&self) -> Option<usize>

Returns the number of returned elements within the statement (if one exists).

Trait Implementations

impl Clone for Statement

fn clone(&self) -> Statement

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Statement

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<AddColumn> for Statement

fn from(value: AddColumn) -> Self

Converts to this type from the input type.

impl From<AlterColumn> for Statement

fn from(value: AlterColumn) -> Self

Converts to this type from the input type.

impl From<AlterTable> for Statement

fn from(value: AlterTable) -> Self

Converts to this type from the input type.

impl From<CopyTable> for Statement

fn from(value: CopyTable) -> Self

Converts to this type from the input type.

impl From<CreateIndex> for Statement

fn from(value: CreateIndex) -> Self

Converts to this type from the input type.

impl From<CreateTable> for Statement

fn from(value: CreateTable) -> Self

Converts to this type from the input type.

impl From<DropColumn> for Statement

fn from(value: DropColumn) -> Self

Converts to this type from the input type.

impl From<DropIndex> for Statement

fn from(value: DropIndex) -> Self

Converts to this type from the input type.

impl From<DropTable> for Statement

fn from(value: DropTable) -> Self

Converts to this type from the input type.

impl From<Pragma> for Statement

fn from(value: Pragma) -> Self

Converts to this type from the input type.

impl From<Statement> for Statement

fn from(value: Statement) -> Self

Converts to this type from the input type.