Struct ColumnBuilder 

pub struct ColumnBuilder<T> { /* private fields */ }

Available on crate feature backend-postgres only.

Builder for regular columns in JSON_TABLE

Implementations

impl<T> ColumnBuilder<T>

pub fn format_json(self) -> Self

Set FORMAT JSON

pub fn encoding_utf8(self) -> Self

Set ENCODING UTF8 (requires FORMAT JSON)

pub fn path<P>(self, path: P) -> Self

where P: Into<Cow<'static, str>>,

Set PATH clause

pub fn wrapper<W>(self, wrapper: W) -> Self

where W: Into<WrapperClause>,

Set WRAPPER clause

pub fn quotes<Q>(self, quotes: Q) -> Self

where Q: Into<QuotesClause>,

Set QUOTES clause

pub fn error_on_empty(self) -> Self

Convenience method for ERROR ON EMPTY

pub fn null_on_empty(self) -> Self

Convenience method for NULL ON EMPTY

pub fn empty_array_on_empty(self) -> Self

Convenience method for EMPTY ARRAY ON EMPTY

pub fn empty_object_on_empty(self) -> Self

Convenience method for EMPTY OBJECT ON EMPTY

pub fn default_on_empty<E>(self, expr: E) -> Self

where E: Into<Expr>,

Convenience method for DEFAULT <expr> ON EMPTY

pub fn error_on_error(self) -> Self

Convenience method for ERROR ON ERROR

pub fn null_on_error(self) -> Self

Convenience method for NULL ON ERROR

pub fn empty_array_on_error(self) -> Self

Convenience method for EMPTY ARRAY ON ERROR

pub fn empty_object_on_error(self) -> Self

Convenience method for EMPTY OBJECT ON ERROR

pub fn default_on_error<E>(self, expr: E) -> Self

where E: Into<Expr>,

Convenience method for DEFAULT <expr> ON ERROR

impl ColumnBuilder<Builder>

pub fn build_column(self) -> Builder

Finish building this column and return to the main builder

impl ColumnBuilder<NestedPathBuilder>

pub fn build_column(self) -> NestedPathBuilder

Finish building this column and return to the nested path builder

Trait Implementations

impl<T: Clone> Clone for ColumnBuilder<T>

fn clone(&self) -> ColumnBuilder<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for ColumnBuilder<T>

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

Formats the value using the given formatter.