Struct cassandra_cpp::FunctionMeta
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pub struct FunctionMeta(_);
The metadata for a function
Methods
impl FunctionMeta
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fn fields_iter(&self) -> FieldIterator
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Iterator over the fields in this function
fn get_name(&self) -> String
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Gets the name of the function.
fn full_name(&self) -> String
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Gets the full name of the function. The full name includes the function's name and the function's signature: "name(type1 type2.. typeN)".
fn body(&self) -> String
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Gets the body of the function.
fn language(&self) -> String
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Gets the language of the function.
fn called_on_null_input(&self) -> bool
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Gets whether a function is called on "null".
fn argument_count(&self) -> usize
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Gets the number of arguments this function takes.
fn argument(&self, index: usize) -> Result<()>
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Gets the function's argument name and type for the provided index.
fn argument_type_by_name(&self, name: &str) -> ConstDataType
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Gets the function's argument and type for the provided name.
fn return_type(&self) -> ConstDataType
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Gets the return type of the function.
fn field_by_name(&self, name: &str) -> Value
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Gets a metadata field for the provided name. Metadata fields allow direct access to the column data found in the underlying "functions" metadata table.