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Support literal-value current_time, current_date and current_timestamp

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This commit is contained in:
meteorgan
2025-04-29 22:34:20 +08:00
parent 3459c1f7dd
commit 51d43074f3
1 changed files with 25 additions and 7 deletions
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32
core/translate/expr.rs
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@@ -1,8 +1,12 @@
use limbo_sqlite3_parser::ast::{self, UnaryOperator};
use super::emitter::Resolver;
use super::optimizer::Optimizable;
use super::plan::{Operation, TableReference};
#[cfg(feature = "json")]
use crate::function::JsonFunc;
use crate::function::{Func, FuncCtx, MathFuncArity, ScalarFunc, VectorFunc};
use crate::functions::datetime;
use crate::schema::{Table, Type};
use crate::util::{exprs_are_equivalent, normalize_ident};
use crate::vdbe::{
@@ -12,10 +16,6 @@ use crate::vdbe::{
};
use crate::Result;
use super::emitter::Resolver;
use super::optimizer::Optimizable;
use super::plan::{Operation, TableReference};
#[derive(Debug, Clone, Copy)]
pub struct ConditionMetadata {
pub jump_if_condition_is_true: bool,
@@ -2020,9 +2020,27 @@ pub fn translate_expr(
});
Ok(target_register)
}
ast::Literal::CurrentDate => todo!(),
ast::Literal::CurrentTime => todo!(),
ast::Literal::CurrentTimestamp => todo!(),
ast::Literal::CurrentDate => {
program.emit_insn(Insn::String8 {
value: datetime::exec_date(&[]).to_string(),
dest: target_register,
});
Ok(target_register)
}
ast::Literal::CurrentTime => {
program.emit_insn(Insn::String8 {
value: datetime::exec_time(&[]).to_string(),
dest: target_register,
});
Ok(target_register)
}
ast::Literal::CurrentTimestamp => {
program.emit_insn(Insn::String8 {
value: datetime::exec_datetime_full(&[]).to_string(),
dest: target_register,
});
Ok(target_register)
}
},
ast::Expr::Name(_) => todo!(),
ast::Expr::NotNull(_) => todo!(),