#[cfg(feature = "postgresql")]
use crate::behavior::ConcatPostgres;
use crate::{
behavior::{concat_raw_before_after, Concat, ConcatSqlStandard},
fmt,
structure::{Delete, DeleteClause},
};
impl<'a> ConcatSqlStandard<'a, DeleteClause> for Delete<'_> {}
#[cfg(feature = "postgresql")]
impl<'a> ConcatPostgres<'a, DeleteClause> for Delete<'_> {}
impl Delete<'_> {
fn concat_delete_from(&self, query: String, fmts: &fmt::Formatter) -> String {
let fmt::Formatter { lb, space, .. } = fmts;
let sql = if self._delete_from.is_empty() == false {
let table_name = self._delete_from;
format!("DELETE FROM{space}{table_name}{space}{lb}")
} else {
"".to_owned()
};
concat_raw_before_after(
&self._raw_before,
&self._raw_after,
query,
fmts,
DeleteClause::DeleteFrom,
sql,
)
}
}
impl Concat for Delete<'_> {
fn concat(&self, fmts: &fmt::Formatter) -> String {
let mut query = "".to_owned();
query = self.concat_raw(query, &fmts, &self._raw);
#[cfg(feature = "postgresql")]
{
query = self.concat_with(
&self._raw_before,
&self._raw_after,
query,
&fmts,
DeleteClause::With,
&self._with,
);
}
query = self.concat_delete_from(query, &fmts);
query = self.concat_where(
&self._raw_before,
&self._raw_after,
query,
&fmts,
DeleteClause::Where,
&self._where,
);
#[cfg(feature = "postgresql")]
{
query = self.concat_returning(
&self._raw_before,
&self._raw_after,
query,
&fmts,
DeleteClause::Returning,
&self._returning,
);
}
query.trim_end().to_owned()
}
}