use reifydb_core::value::column::{ColumnWithName, buffer::ColumnBuffer, columns::Columns};
use reifydb_type::value::r#type::Type;
use crate::routine::{Function, FunctionKind, Routine, RoutineInfo, context::FunctionContext, error::RoutineError};
pub struct TextEndsWith {
info: RoutineInfo,
}
impl Default for TextEndsWith {
fn default() -> Self {
Self::new()
}
}
impl TextEndsWith {
pub fn new() -> Self {
Self {
info: RoutineInfo::new("text::ends_with"),
}
}
}
impl<'a> Routine<FunctionContext<'a>> for TextEndsWith {
fn info(&self) -> &RoutineInfo {
&self.info
}
fn return_type(&self, _input_types: &[Type]) -> Type {
Type::Boolean
}
fn execute(&self, ctx: &mut FunctionContext<'a>, args: &Columns) -> Result<Columns, RoutineError> {
if args.len() != 2 {
return Err(RoutineError::FunctionArityMismatch {
function: ctx.fragment.clone(),
expected: 2,
actual: args.len(),
});
}
let str_col = &args[0];
let suffix_col = &args[1];
let (str_data, str_bv) = str_col.unwrap_option();
let (suffix_data, suffix_bv) = suffix_col.unwrap_option();
let row_count = str_data.len();
match (str_data, suffix_data) {
(
ColumnBuffer::Utf8 {
container: str_container,
..
},
ColumnBuffer::Utf8 {
container: suffix_container,
..
},
) => {
let mut result_data = Vec::with_capacity(row_count);
let mut result_bitvec = Vec::with_capacity(row_count);
for i in 0..row_count {
if str_container.is_defined(i) && suffix_container.is_defined(i) {
let s = str_container.get(i).unwrap();
let suffix = suffix_container.get(i).unwrap();
result_data.push(s.ends_with(suffix));
result_bitvec.push(true);
} else {
result_data.push(false);
result_bitvec.push(false);
}
}
let result_col_data = ColumnBuffer::bool_with_bitvec(result_data, result_bitvec);
let combined_bv = match (str_bv, suffix_bv) {
(Some(b), Some(e)) => Some(b.and(e)),
(Some(b), None) => Some(b.clone()),
(None, Some(e)) => Some(e.clone()),
(None, None) => None,
};
let final_data = match combined_bv {
Some(bv) => ColumnBuffer::Option {
inner: Box::new(result_col_data),
bitvec: bv,
},
None => result_col_data,
};
Ok(Columns::new(vec![ColumnWithName::new(ctx.fragment.clone(), final_data)]))
}
(
ColumnBuffer::Utf8 {
..
},
other,
) => Err(RoutineError::FunctionInvalidArgumentType {
function: ctx.fragment.clone(),
argument_index: 1,
expected: vec![Type::Utf8],
actual: other.get_type(),
}),
(other, _) => Err(RoutineError::FunctionInvalidArgumentType {
function: ctx.fragment.clone(),
argument_index: 0,
expected: vec![Type::Utf8],
actual: other.get_type(),
}),
}
}
}
impl Function for TextEndsWith {
fn kinds(&self) -> &[FunctionKind] {
&[FunctionKind::Scalar]
}
}