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Add documentation and comments to translate.rs for upsert

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PThorpe92
2025-08-29 19:35:01 -04:00
parent 30137145a9
commit 2beb8e4725
1 changed files with 4 additions and 1 deletions
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5
core/translate/insert.rs
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@@ -399,7 +399,8 @@ pub fn translate_insert(
});
let rowid_column_name = insertion.key.column_name();
// emit halt for every case *except* when upsert handles the conflict
// Conflict on rowid: attempt to route through UPSERT if it targets the PK, otherwise raise constraint.
// emit Halt for every case *except* when upsert handles the conflict
'emit_halt: {
if let Some(ref mut upsert) = upsert_opt.as_mut() {
if upsert_matches_pk(upsert, &table) {
@@ -515,6 +516,7 @@ pub fn translate_insert(
},
);
// again, emit halt for every case *except* when upsert handles the conflict
'emit_halt: {
if let Some(ref mut upsert) = upsert_opt.as_mut() {
if upsert_matches_index(upsert, index, &table) {
@@ -558,6 +560,7 @@ pub fn translate_insert(
break 'emit_halt;
}
}
// No matching UPSERT rule: unique constraint violation.
program.emit_insn(Insn::Halt {
err_code: SQLITE_CONSTRAINT_PRIMARYKEY,
description: column_names,