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core: SELECT <string> support

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This commit is contained in:
Pekka Enberg
2024-05-08 07:17:20 -03:00
parent 24e47f4648
commit 08165fc34e
2 changed files with 19 additions and 1 deletions
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9
core/translate.rs
View File

@@ -193,7 +193,14 @@ fn translate_expr(
});
dest
}
Literal::String(_) => todo!(),
Literal::String(s) => {
let dest = program.alloc_register();
program.emit_insn(Insn::String8 {
value: s.to_string(),
dest,
});
dest
}
Literal::Blob(_) => todo!(),
Literal::Keyword(_) => todo!(),
Literal::Null => todo!(),

11
core/vdbe.rs
View File

@@ -80,6 +80,12 @@ pub enum Insn {
dest: usize,
},
// Write a string value into a register.
String8 {
value: String,
dest: usize,
},
// Read the rowid of the current row.
RowId {
cursor_id: CursorID,
@@ -307,6 +313,10 @@ impl Program {
state.registers[*dest] = OwnedValue::Integer(*value);
state.pc += 1;
}
Insn::String8 { value, dest } => {
state.registers[*dest] = OwnedValue::Text(Rc::new(value.into()));
state.pc += 1;
}
Insn::RowId { cursor_id, dest } => {
let cursor = cursors.get_mut(cursor_id).unwrap();
if let Some(ref rowid) = *cursor.rowid()? {
@@ -417,6 +427,7 @@ fn insn_to_str(addr: usize, insn: &Insn) -> String {
Insn::Integer { value, dest } => {
("Integer", *dest, *value as usize, 0, "", 0, "".to_string())
}
Insn::String8 { value, dest } => ("String8", *dest, 0, 0, "", 0, "".to_string()),
Insn::RowId { cursor_id, dest } => ("RowId", *cursor_id, *dest, 0, "", 0, "".to_string()),
Insn::DecrJumpZero { reg, target_pc } => {
("DecrJumpZero", *reg, *target_pc, 0, "", 0, "".to_string())