reddb_rql/parser/
dml.rs

1//! DML SQL Parser: INSERT, UPDATE, DELETE
2
3use super::error::ParseError;
4use super::Parser;
5use crate::ast::{
6    AskCacheClause, AskQuery, BinOp, DeleteQuery, Expr, FieldRef, Filter, InsertEntityType,
7    InsertQuery, OrderByClause, QueryExpr, ReturningItem, UpdateQuery, UpdateTarget,
8};
9use crate::lexer::Token;
10use crate::sql_lowering::{filter_to_expr, fold_expr_to_value};
11use reddb_types::types::Value;
12
13/// DoS guard: maximum JSON nesting depth accepted by the parser.
14/// Mirrors typical web-server JSON limits and bails out before stack
15/// usage gets dangerous in downstream traversals.
16pub(crate) const JSON_LITERAL_MAX_DEPTH: u32 = 128;
17
18/// Walk a parsed `JsonValue` tree and bail out if nesting exceeds
19/// `JSON_LITERAL_MAX_DEPTH`. Iterative to avoid the very stack
20/// overflow we're trying to prevent.
21pub(crate) fn json_literal_depth_check(
22    value: &reddb_types::utils::json::JsonValue,
23) -> Result<(), String> {
24    use reddb_types::utils::json::JsonValue;
25    let mut stack: Vec<(&JsonValue, u32)> = vec![(value, 1)];
26    while let Some((node, depth)) = stack.pop() {
27        if depth > JSON_LITERAL_MAX_DEPTH {
28            return Err(format!(
29                "JSON object literal exceeds JSON_LITERAL_MAX_DEPTH ({})",
30                JSON_LITERAL_MAX_DEPTH
31            ));
32        }
33        match node {
34            JsonValue::Object(entries) => {
35                for (_, v) in entries {
36                    stack.push((v, depth + 1));
37                }
38            }
39            JsonValue::Array(items) => {
40                for v in items {
41                    stack.push((v, depth + 1));
42                }
43            }
44            _ => {}
45        }
46    }
47    Ok(())
48}
49
50impl<'a> Parser<'a> {
51    /// Parse: INSERT INTO table [NODE|EDGE|VECTOR|DOCUMENT|KV] (col1, col2) VALUES (val1, val2), (val3, val4) [RETURNING]
52    pub fn parse_insert_query(&mut self) -> Result<QueryExpr, ParseError> {
53        self.expect(Token::Insert)?;
54        self.expect(Token::Into)?;
55        // Issue #789 — Analytics v0 explicitly excludes `INSERT INTO
56        // METRIC <path>` as a raw write path (PRD #782 non-goal). Raw
57        // samples land in ordinary RedDB collections; the metric
58        // descriptor catalog is reached through `CREATE METRIC` and
59        // `red.analytics.metrics`. Reject the form here before the
60        // identifier slot so the error names the actual reason, not a
61        // generic "expected identifier".
62        if matches!(self.peek(), Token::Metric) {
63            return Err(ParseError::new(
64                "INSERT INTO METRIC is not supported in Analytics v0 — \
65                 write raw samples into an ordinary TABLE/DOCUMENT \
66                 collection; the metric descriptor catalog is reached \
67                 via CREATE METRIC and red.analytics.metrics \
68                 (PRD #782 non-goal)",
69                self.position(),
70            ));
71        }
72        let table = self.expect_ident()?;
73
74        // Check for entity type keyword
75        let entity_type = match self.peek().clone() {
76            Token::Node => {
77                self.advance()?;
78                InsertEntityType::Node
79            }
80            Token::Edge => {
81                self.advance()?;
82                InsertEntityType::Edge
83            }
84            Token::Vector => {
85                self.advance()?;
86                InsertEntityType::Vector
87            }
88            Token::Document => {
89                self.advance()?;
90                InsertEntityType::Document
91            }
92            Token::Kv => {
93                self.advance()?;
94                InsertEntityType::Kv
95            }
96            _ => InsertEntityType::Row,
97        };
98
99        // Parse column list
100        self.expect(Token::LParen)?;
101        let columns = self.parse_ident_list()?;
102        self.expect(Token::RParen)?;
103
104        // Parse VALUES
105        self.expect(Token::Values)?;
106        let mut all_values = Vec::new();
107        let mut all_value_exprs = Vec::new();
108        loop {
109            self.expect(Token::LParen)?;
110            let row_exprs = self.parse_dml_expr_list()?;
111            self.expect(Token::RParen)?;
112            // Tolerate `$N` / `?` placeholders in VALUES rows: fold to
113            // Value::Null and rely on `user_params::bind` to substitute
114            // the caller's values before execution. Issue #355.
115            // Tolerate `$N` / `?` placeholders in VALUES rows: if fold
116            // fails on an expression that contains `Expr::Parameter`,
117            // emit a `Value::Null` placeholder. `user_params::bind`
118            // substitutes the caller-supplied value before execution.
119            // Issue #355.
120            let row_values = row_exprs
121                .iter()
122                .map(|expr| match fold_expr_to_value(expr.clone()) {
123                    Ok(value) => Ok(value),
124                    Err(msg) => {
125                        if crate::sql_lowering::expr_contains_parameter(expr) {
126                            Ok(Value::Null)
127                        } else {
128                            Err(msg)
129                        }
130                    }
131                })
132                .collect::<Result<Vec<_>, _>>()
133                .map_err(|msg| ParseError::new(msg, self.position()))?;
134            all_value_exprs.push(row_exprs);
135            all_values.push(row_values);
136            if !self.consume(&Token::Comma)? {
137                break;
138            }
139        }
140
141        // Parse optional WITH clauses
142        let (ttl_ms, expires_at_ms, with_metadata, auto_embed) = self.parse_with_clauses()?;
143
144        let returning = self.parse_returning_clause()?;
145
146        let suppress_events = if self.consume_ident_ci("SUPPRESS")? {
147            self.expect_ident_ci("EVENTS")?;
148            true
149        } else {
150            false
151        };
152
153        Ok(QueryExpr::Insert(InsertQuery {
154            table,
155            entity_type,
156            columns,
157            value_exprs: all_value_exprs,
158            values: all_values,
159            returning,
160            ttl_ms,
161            expires_at_ms,
162            with_metadata,
163            auto_embed,
164            suppress_events,
165        }))
166    }
167
168    /// Parse TTL duration value using the same logic as CREATE TABLE ... WITH TTL.
169    fn parse_ttl_duration(&mut self) -> Result<u64, ParseError> {
170        // Reuse the DDL TTL parser: expects a number followed by optional unit
171        let ttl_value = self.parse_float()?;
172        let ttl_unit = match self.peek() {
173            Token::Ident(unit) => {
174                let unit = unit.clone();
175                self.advance()?;
176                unit
177            }
178            _ => "s".to_string(),
179        };
180
181        let multiplier_ms = match ttl_unit.to_ascii_lowercase().as_str() {
182            "ms" | "msec" | "millisecond" | "milliseconds" => 1.0,
183            "s" | "sec" | "secs" | "second" | "seconds" => 1_000.0,
184            "m" | "min" | "mins" | "minute" | "minutes" => 60_000.0,
185            "h" | "hr" | "hrs" | "hour" | "hours" => 3_600_000.0,
186            "d" | "day" | "days" => 86_400_000.0,
187            other => {
188                return Err(ParseError::new(
189                    // F-05: render `other` via `{:?}` so caller-controlled
190                    // bytes (CR / LF / NUL / quotes) are escaped before
191                    // landing in the JSON/audit/log/gRPC error sinks.
192                    format!(
193                        "unsupported TTL unit {other:?}; supported units: ms, s, m, h, d (e.g. `WITH TTL 30 m`)"
194                    ),
195                    self.position(),
196                ));
197            }
198        };
199
200        Ok((ttl_value * multiplier_ms) as u64)
201    }
202
203    /// Parse WITH clauses: WITH TTL | EXPIRES AT | METADATA | AUTO EMBED
204    /// Returns (ttl_ms, expires_at_ms, metadata, auto_embed)
205    pub fn parse_with_clauses(
206        &mut self,
207    ) -> Result<
208        (
209            Option<u64>,
210            Option<u64>,
211            Vec<(String, Value)>,
212            Option<crate::ast::AutoEmbedConfig>,
213        ),
214        ParseError,
215    > {
216        let mut ttl_ms = None;
217        let mut expires_at_ms = None;
218        let mut with_metadata = Vec::new();
219        let mut auto_embed = None;
220
221        while self.consume(&Token::With)? {
222            if self.consume_ident_ci("TTL")? {
223                ttl_ms = Some(self.parse_ttl_duration()?);
224            } else if self.consume_ident_ci("EXPIRES")? {
225                self.expect_ident_ci("AT")?;
226                let ts = self.parse_expires_at_value()?;
227                expires_at_ms = Some(ts);
228            } else if self.consume(&Token::Metadata)? || self.consume_ident_ci("METADATA")? {
229                with_metadata = self.parse_with_metadata_pairs()?;
230            } else if self.consume_ident_ci("AUTO")? {
231                // WITH AUTO EMBED (field1, field2) [USING provider] [MODEL 'model']
232                self.consume_ident_ci("EMBED")?;
233                self.expect(Token::LParen)?;
234                let mut fields = Vec::new();
235                loop {
236                    fields.push(self.expect_ident()?);
237                    if !self.consume(&Token::Comma)? {
238                        break;
239                    }
240                }
241                self.expect(Token::RParen)?;
242                // `USING` is a reserved keyword (`Token::Using`), so
243                // `consume_ident_ci` would never match. Use the typed
244                // consumer instead. See bug #108 (mirrors the #92 fix
245                // for migration `DEPENDS ON`).
246                let provider = if self.consume(&Token::Using)? {
247                    self.expect_ident()?
248                } else {
249                    "openai".to_string()
250                };
251                let model = if self.consume_ident_ci("MODEL")? {
252                    Some(self.parse_string()?)
253                } else {
254                    None
255                };
256                auto_embed = Some(crate::ast::AutoEmbedConfig {
257                    fields,
258                    provider,
259                    model,
260                });
261            } else {
262                return Err(ParseError::expected(
263                    vec!["TTL", "EXPIRES AT", "METADATA", "AUTO EMBED"],
264                    self.peek(),
265                    self.position(),
266                ));
267            }
268        }
269
270        Ok((ttl_ms, expires_at_ms, with_metadata, auto_embed))
271    }
272
273    /// Expect a case-insensitive identifier (error if not found)
274    fn expect_ident_ci(&mut self, expected: &str) -> Result<(), ParseError> {
275        if self.consume_ident_ci(expected)? {
276            Ok(())
277        } else {
278            Err(ParseError::expected(
279                vec![expected],
280                self.peek(),
281                self.position(),
282            ))
283        }
284    }
285
286    /// Parse an absolute expiration timestamp (unix ms or string date)
287    fn parse_expires_at_value(&mut self) -> Result<u64, ParseError> {
288        // Try integer (unix timestamp in ms)
289        if let Ok(value) = self.parse_integer() {
290            return Ok(value as u64);
291        }
292        // Try string like '2026-12-31' — convert to unix ms
293        if let Ok(text) = self.parse_string() {
294            // Simple ISO date parsing: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS
295            let trimmed = text.trim();
296            if let Ok(ts) = trimmed.parse::<u64>() {
297                return Ok(ts);
298            }
299            // Basic date parsing — delegate to chrono if available, or simple heuristic
300            return Err(ParseError::new(
301                // F-05: `trimmed` is caller-controlled string-literal bytes.
302                // Render via `{:?}` so CR/LF/NUL/quotes are escaped before
303                // the message reaches the JSON / audit / log / gRPC sinks.
304                format!("EXPIRES AT requires a unix timestamp in milliseconds, got {trimmed:?}"),
305                self.position(),
306            ));
307        }
308        Err(ParseError::expected(
309            vec!["timestamp (unix ms) or 'YYYY-MM-DD'"],
310            self.peek(),
311            self.position(),
312        ))
313    }
314
315    /// Parse WITH METADATA (key1 = 'value1', key2 = 42)
316    fn parse_with_metadata_pairs(&mut self) -> Result<Vec<(String, Value)>, ParseError> {
317        self.expect(Token::LParen)?;
318        let mut pairs = Vec::new();
319        if !self.check(&Token::RParen) {
320            loop {
321                let key = self.expect_ident_or_keyword()?.to_ascii_lowercase();
322                self.expect(Token::Eq)?;
323                let value = self.parse_literal_value()?;
324                pairs.push((key, value));
325                if !self.consume(&Token::Comma)? {
326                    break;
327                }
328            }
329        }
330        self.expect(Token::RParen)?;
331        Ok(pairs)
332    }
333
334    /// Parse: UPDATE table SET col1=val1, col2=val2 [WHERE filter] [WITH TTL|EXPIRES AT|METADATA]
335    pub fn parse_update_query(&mut self) -> Result<QueryExpr, ParseError> {
336        self.expect(Token::Update)?;
337        let table = self.expect_ident()?;
338        let target = self.parse_update_target()?;
339        self.expect(Token::Set)?;
340
341        let mut assignments = Vec::new();
342        let mut assignment_exprs = Vec::new();
343        let mut compound_assignment_ops = Vec::new();
344        loop {
345            let col = self.expect_column_ident()?;
346            let compound_op = if self.consume(&Token::Eq)? {
347                None
348            } else {
349                let op = match self.peek() {
350                    Token::Plus => BinOp::Add,
351                    Token::Dash | Token::Minus => BinOp::Sub,
352                    Token::Star => BinOp::Mul,
353                    Token::Slash => BinOp::Div,
354                    Token::Percent => BinOp::Mod,
355                    _ => {
356                        return Err(ParseError::expected(
357                            vec!["=", "+=", "-=", "*=", "/=", "%="],
358                            self.peek(),
359                            self.position(),
360                        ));
361                    }
362                };
363                self.advance()?;
364                self.expect(Token::Eq)?;
365                Some(op)
366            };
367            let expr = self.parse_expr()?;
368            let folded = fold_expr_to_value(expr.clone()).ok();
369            assignment_exprs.push((col.clone(), expr));
370            compound_assignment_ops.push(compound_op);
371            if compound_op.is_none() {
372                if let Some(val) = folded {
373                    assignments.push((col.clone(), val));
374                }
375            }
376            if !self.consume(&Token::Comma)? {
377                break;
378            }
379        }
380
381        let filter = if self.consume(&Token::Where)? {
382            Some(self.parse_filter()?)
383        } else {
384            None
385        };
386        let where_expr = filter.as_ref().map(filter_to_expr);
387
388        let (ttl_ms, expires_at_ms, with_metadata, _auto_embed) = self.parse_with_clauses()?;
389
390        let mut order_by = if self.consume(&Token::Order)? {
391            self.expect(Token::By)?;
392            let clauses = self.parse_order_by_list()?;
393            validate_update_order_by(&clauses, self.position())?;
394            clauses
395        } else {
396            Vec::new()
397        };
398
399        // Optional `LIMIT N` — used by `BATCH N ROWS` data migrations
400        // to cap a single batch. Must come after WHERE / WITH because
401        // those have their own keyword tokens that the LIMIT branch
402        // would otherwise mis-consume.
403        let limit = if self.consume(&Token::Limit)? {
404            Some(self.parse_integer()? as u64)
405        } else {
406            None
407        };
408        if !order_by.is_empty() && limit.is_none() {
409            return Err(ParseError::new(
410                "UPDATE ORDER BY requires LIMIT",
411                self.position(),
412            ));
413        }
414        if !order_by.is_empty() && !update_order_by_mentions_rid(&order_by) {
415            order_by.push(OrderByClause {
416                field: FieldRef::TableColumn {
417                    table: String::new(),
418                    column: "rid".to_string(),
419                },
420                expr: None,
421                ascending: true,
422                nulls_first: false,
423            });
424        }
425
426        let returning = self.parse_returning_clause()?;
427
428        let suppress_events = if self.consume_ident_ci("SUPPRESS")? {
429            self.expect_ident_ci("EVENTS")?;
430            true
431        } else {
432            false
433        };
434
435        Ok(QueryExpr::Update(UpdateQuery {
436            table,
437            target,
438            assignment_exprs,
439            compound_assignment_ops,
440            assignments,
441            where_expr,
442            filter,
443            ttl_ms,
444            expires_at_ms,
445            with_metadata,
446            returning,
447            order_by,
448            limit,
449            suppress_events,
450        }))
451    }
452
453    fn parse_update_target(&mut self) -> Result<UpdateTarget, ParseError> {
454        if self.consume(&Token::Kv)? {
455            return Ok(UpdateTarget::Kv);
456        }
457        if self.consume(&Token::Rows)? {
458            return Ok(UpdateTarget::Rows);
459        }
460        if self.consume_ident_ci("DOCUMENTS")? {
461            return Ok(UpdateTarget::Documents);
462        }
463        if self.consume_ident_ci("NODES")? {
464            return Ok(UpdateTarget::Nodes);
465        }
466        if self.consume_ident_ci("EDGES")? {
467            return Ok(UpdateTarget::Edges);
468        }
469        Ok(UpdateTarget::Rows)
470    }
471
472    /// Parse: DELETE FROM table [WHERE filter]
473    pub fn parse_delete_query(&mut self) -> Result<QueryExpr, ParseError> {
474        self.expect(Token::Delete)?;
475        self.expect(Token::From)?;
476        let table = self.expect_ident()?;
477
478        let filter = if self.consume(&Token::Where)? {
479            Some(self.parse_filter()?)
480        } else {
481            None
482        };
483
484        let where_expr = filter.as_ref().map(filter_to_expr);
485
486        let returning = self.parse_returning_clause()?;
487
488        let suppress_events = if self.consume_ident_ci("SUPPRESS")? {
489            self.expect_ident_ci("EVENTS")?;
490            true
491        } else {
492            false
493        };
494
495        Ok(QueryExpr::Delete(DeleteQuery {
496            table,
497            where_expr,
498            filter,
499            returning,
500            suppress_events,
501        }))
502    }
503
504    /// Parse optional `RETURNING (* | col [, col ...])` clause.
505    /// Returns `None` if no RETURNING token, errors if RETURNING is present
506    /// but not followed by `*` or a non-empty column list.
507    fn parse_returning_clause(&mut self) -> Result<Option<Vec<ReturningItem>>, ParseError> {
508        if !self.consume(&Token::Returning)? {
509            return Ok(None);
510        }
511        if self.consume(&Token::Star)? {
512            return Ok(Some(vec![ReturningItem::All]));
513        }
514        let mut items = Vec::new();
515        loop {
516            if returning_expr_start(self.peek()) {
517                return Err(returning_expr_not_supported(self.position()));
518            }
519            let col = self.expect_update_returning_column()?;
520            items.push(ReturningItem::Column(col));
521            if returning_expr_tail(self.peek()) {
522                return Err(returning_expr_not_supported(self.position()));
523            }
524            if !self.consume(&Token::Comma)? {
525                break;
526            }
527        }
528        if items.is_empty() {
529            return Err(ParseError::expected(
530                vec!["*", "column name"],
531                self.peek(),
532                self.position(),
533            ));
534        }
535        Ok(Some(items))
536    }
537
538    fn expect_update_returning_column(&mut self) -> Result<String, ParseError> {
539        if self.consume(&Token::Weight)? {
540            return Ok("weight".to_string());
541        }
542        self.expect_ident_or_keyword()
543    }
544
545    /// Parse: ASK 'question' [USING provider] [MODEL 'model'] [DEPTH n]
546    /// [LIMIT n] [MIN_SCORE x] [COLLECTION col]
547    pub fn parse_ask_query(&mut self) -> Result<QueryExpr, ParseError> {
548        self.parse_ask_query_with_explain(false)
549    }
550
551    /// Parse: EXPLAIN ASK 'question' ...
552    pub fn parse_explain_ask_query(&mut self) -> Result<QueryExpr, ParseError> {
553        self.advance()?; // consume EXPLAIN
554        if !matches!(self.peek(), Token::Ident(name) if name.eq_ignore_ascii_case("ASK")) {
555            return Err(ParseError::expected(
556                vec!["ASK"],
557                self.peek(),
558                self.position(),
559            ));
560        }
561        self.parse_ask_query_with_explain(true)
562    }
563
564    fn parse_ask_query_with_explain(&mut self, explain: bool) -> Result<QueryExpr, ParseError> {
565        self.advance()?; // consume ASK
566
567        let (question, question_param) = match self.peek() {
568            Token::String(_) => (self.parse_string()?, None),
569            Token::Dollar | Token::Question => {
570                let index = self.parse_param_slot("ASK question")?;
571                (String::new(), Some(index))
572            }
573            other => {
574                return Err(ParseError::expected(
575                    vec!["string", "$N", "?"],
576                    other,
577                    self.position(),
578                ));
579            }
580        };
581
582        let mut provider = None;
583        let mut model = None;
584        let mut depth = None;
585        let mut limit = None;
586        let mut min_score = None;
587        let mut collection = None;
588        let mut temperature = None;
589        let mut seed = None;
590        let mut strict = true;
591        let mut stream = false;
592        let mut cache = AskCacheClause::Default;
593
594        // Parse optional clauses in any order. Loop bound = number of
595        // clause kinds, so each can appear at most once.
596        for _ in 0..12 {
597            if self.consume(&Token::Using)? {
598                provider = Some(match &self.current.token {
599                    Token::String(_) => self.parse_string()?,
600                    _ => self.expect_ident()?,
601                });
602            } else if self.consume_ident_ci("MODEL")? {
603                model = Some(self.parse_string()?);
604            } else if self.consume(&Token::Depth)? {
605                depth = Some(self.parse_integer()? as usize);
606            } else if self.consume(&Token::Limit)? {
607                limit = Some(self.parse_integer()? as usize);
608            } else if self.consume(&Token::MinScore)? {
609                min_score = Some(self.parse_float()? as f32);
610            } else if self.consume(&Token::Collection)? {
611                collection = Some(self.expect_ident()?);
612            } else if self.consume_ident_ci("TEMPERATURE")? {
613                temperature = Some(self.parse_float()? as f32);
614            } else if self.consume_ident_ci("SEED")? {
615                seed = Some(self.parse_integer()? as u64);
616            } else if self.consume_ident_ci("STRICT")? {
617                let value = self.expect_ident_or_keyword()?;
618                if value.eq_ignore_ascii_case("ON") {
619                    strict = true;
620                } else if value.eq_ignore_ascii_case("OFF") {
621                    strict = false;
622                } else {
623                    return Err(ParseError::new(
624                        "Expected ON or OFF after STRICT",
625                        self.position(),
626                    ));
627                }
628            } else if self.consume_ident_ci("STREAM")? {
629                stream = true;
630            } else if self.consume_ident_ci("CACHE")? {
631                if !matches!(cache, AskCacheClause::Default) {
632                    return Err(ParseError::new(
633                        "ASK cache clause specified more than once",
634                        self.position(),
635                    ));
636                }
637                let ttl = self.expect_ident_or_keyword()?;
638                if !ttl.eq_ignore_ascii_case("TTL") {
639                    return Err(ParseError::new("Expected TTL after CACHE", self.position()));
640                }
641                cache = AskCacheClause::CacheTtl(self.parse_string()?);
642            } else if self.consume_ident_ci("NOCACHE")? {
643                if !matches!(cache, AskCacheClause::Default) {
644                    return Err(ParseError::new(
645                        "ASK cache clause specified more than once",
646                        self.position(),
647                    ));
648                }
649                cache = AskCacheClause::NoCache;
650            } else {
651                break;
652            }
653        }
654
655        Ok(QueryExpr::Ask(AskQuery {
656            explain,
657            question,
658            question_param,
659            provider,
660            model,
661            depth,
662            limit,
663            min_score,
664            collection,
665            temperature,
666            seed,
667            strict,
668            stream,
669            cache,
670        }))
671    }
672
673    /// Parse comma-separated identifiers (accepts keywords as column names in DML context)
674    fn parse_ident_list(&mut self) -> Result<Vec<String>, ParseError> {
675        let mut idents = Vec::new();
676        loop {
677            idents.push(self.expect_ident_or_keyword()?);
678            if !self.consume(&Token::Comma)? {
679                break;
680            }
681        }
682        Ok(idents)
683    }
684
685    /// Parse comma-separated literal values for DML statements
686    fn parse_dml_value_list(&mut self) -> Result<Vec<Value>, ParseError> {
687        self.parse_dml_expr_list()?
688            .into_iter()
689            .map(fold_expr_to_value)
690            .collect::<Result<Vec<_>, _>>()
691            .map_err(|msg| ParseError::new(msg, self.position()))
692    }
693
694    fn parse_dml_expr_list(&mut self) -> Result<Vec<Expr>, ParseError> {
695        let mut values = Vec::new();
696        loop {
697            values.push(self.parse_expr()?);
698            if !self.consume(&Token::Comma)? {
699                break;
700            }
701        }
702        Ok(values)
703    }
704
705    /// Parse a single literal value (string, number, true, false, null, array)
706    pub(crate) fn parse_literal_value(&mut self) -> Result<Value, ParseError> {
707        // Depth guard: this function recurses for nested array `[…]`
708        // and object `{…}` literals (see the LBracket / LBrace arms
709        // below). Without entering the depth counter, an adversarial
710        // payload like `[[[[…(10k×)…]]]]` would overflow the Rust
711        // stack BEFORE `ParserLimits::max_depth` fires. The
712        // `JsonLiteral` token path uses `json_literal_depth_check`
713        // (iterative) — the bare `[`/`{` path needs the recursion
714        // counter explicitly.
715        self.enter_depth()?;
716        let result = self.parse_literal_value_inner();
717        self.exit_depth();
718        result
719    }
720
721    fn parse_literal_value_inner(&mut self) -> Result<Value, ParseError> {
722        // Recognize PASSWORD('plaintext') and SECRET('plaintext') as
723        // typed literal constructors. The parser stores them as
724        // sentinel-prefixed values so that the INSERT executor can
725        // apply the crypto transform (argon2id hash / AES-256-GCM
726        // encrypt) without the parser depending on auth or crypto
727        // subsystems.
728        if let Token::Ident(name) = self.peek().clone() {
729            let upper = name.to_uppercase();
730            if upper == "PASSWORD" || upper == "SECRET" {
731                self.advance()?; // consume ident
732                self.expect(Token::LParen)?;
733                let plaintext = self.parse_string()?;
734                self.expect(Token::RParen)?;
735                return Ok(match upper.as_str() {
736                    "PASSWORD" => Value::Password(format!("@@plain@@{plaintext}")),
737                    "SECRET" => Value::Secret(format!("@@plain@@{plaintext}").into_bytes()),
738                    _ => unreachable!(),
739                });
740            }
741            if upper == "SECRET_REF" {
742                self.advance()?; // consume ident
743                self.expect(Token::LParen)?;
744                let store = self.expect_ident_or_keyword()?.to_ascii_lowercase();
745                if store != "vault" {
746                    return Err(ParseError::expected(
747                        vec!["vault"],
748                        self.peek(),
749                        self.position(),
750                    ));
751                }
752                self.expect(Token::Comma)?;
753                let (collection, key) =
754                    self.parse_kv_key(reddb_types::catalog::CollectionModel::Vault)?;
755                self.expect(Token::RParen)?;
756                return Ok(secret_ref_value(&store, &collection, &key));
757            }
758        }
759
760        match self.peek().clone() {
761            Token::String(s) => {
762                let s = s.clone();
763                self.advance()?;
764                Ok(Value::text(s))
765            }
766            Token::JsonLiteral(raw) => {
767                // The lexer already validated brace balance and the
768                // 16 MiB payload ceiling. Parse the raw text into a
769                // canonical JsonValue then re-encode via `to_vec` so
770                // the on-disk bytes match the quoted form.
771                self.advance()?;
772                let json_value = reddb_types::utils::json::parse_json(&raw).map_err(|err| {
773                    ParseError::new(
774                        // F-05: render the underlying parse-error string
775                        // via `{:?}` so any user fragment serde echoed
776                        // back (unexpected character, key text, …) is
777                        // Debug-escaped before reaching the downstream
778                        // JSON / audit / log / gRPC sinks.
779                        format!("invalid JSON object literal: {:?}", err.to_string()),
780                        self.position(),
781                    )
782                })?;
783                json_literal_depth_check(&json_value)
784                    .map_err(|err| ParseError::new(err, self.position()))?;
785                let canonical = reddb_types::serde_json::Value::from(json_value);
786                let bytes = reddb_types::json::to_vec(&canonical).map_err(|err| {
787                    ParseError::new(
788                        // F-05: escape the encoder error via `{:?}` so any
789                        // user fragment it carries cannot smuggle control
790                        // bytes through downstream serialization sinks.
791                        format!("failed to encode JSON literal: {:?}", err.to_string()),
792                        self.position(),
793                    )
794                })?;
795                Ok(Value::Json(bytes))
796            }
797            Token::Integer(n) => {
798                self.advance()?;
799                Ok(Value::Integer(n))
800            }
801            Token::Float(n) => {
802                self.advance()?;
803                Ok(Value::Float(n))
804            }
805            Token::True => {
806                self.advance()?;
807                Ok(Value::Boolean(true))
808            }
809            Token::False => {
810                self.advance()?;
811                Ok(Value::Boolean(false))
812            }
813            Token::Null => {
814                self.advance()?;
815                Ok(Value::Null)
816            }
817            Token::LBracket => {
818                // Parse array literal [val1, val2, ...]
819                // For numeric arrays, produce Value::Vector; for others, produce Value::Json
820                self.advance()?; // consume '['
821                let mut items = Vec::new();
822                if !self.check(&Token::RBracket) {
823                    loop {
824                        items.push(self.parse_literal_value()?);
825                        if !self.consume(&Token::Comma)? {
826                            break;
827                        }
828                    }
829                }
830                self.expect(Token::RBracket)?;
831
832                // Check if all items are numeric (Integer or Float) -> Value::Vector
833                let all_numeric = items
834                    .iter()
835                    .all(|v| matches!(v, Value::Integer(_) | Value::Float(_)));
836                if all_numeric && !items.is_empty() {
837                    let floats: Vec<f32> = items
838                        .iter()
839                        .map(|v| match v {
840                            Value::Float(f) => *f as f32,
841                            Value::Integer(i) => *i as f32,
842                            _ => 0.0,
843                        })
844                        .collect();
845                    Ok(Value::Vector(floats))
846                } else {
847                    // Encode as JSON bytes
848                    let json_arr: Vec<reddb_types::json::Value> = items
849                        .iter()
850                        .map(|v| match v {
851                            Value::Null => reddb_types::json::Value::Null,
852                            Value::Boolean(b) => reddb_types::json::Value::Bool(*b),
853                            Value::Integer(i) => reddb_types::json::Value::Number(*i as f64),
854                            Value::Float(f) => reddb_types::json::Value::Number(*f),
855                            Value::Text(s) => reddb_types::json::Value::String(s.to_string()),
856                            _ => reddb_types::json::Value::Null,
857                        })
858                        .collect();
859                    let json_val = reddb_types::json::Value::Array(json_arr);
860                    let bytes = reddb_types::json::to_vec(&json_val).unwrap_or_default();
861                    Ok(Value::Json(bytes))
862                }
863            }
864            Token::LBrace => {
865                // Parse JSON object literal {key: value, ...}
866                self.advance()?; // consume '{'
867                let mut map = reddb_types::json::Map::new();
868                if !self.check(&Token::RBrace) {
869                    loop {
870                        // Key: string or identifier. Reserved-word
871                        // keys (`level`, `msg`, `type`, …) fall through
872                        // to `expect_ident_or_keyword`, which returns
873                        // the canonical UPPERCASE spelling; lowercase
874                        // that path so the JSON object preserves the
875                        // source casing.
876                        let key = match self.peek().clone() {
877                            Token::String(s) => {
878                                self.advance()?;
879                                s
880                            }
881                            Token::Ident(s) => {
882                                self.advance()?;
883                                s
884                            }
885                            _ => self.expect_ident_or_keyword()?.to_ascii_lowercase(),
886                        };
887                        // Separator: ':' or '='
888                        if !self.consume(&Token::Colon)? {
889                            self.expect(Token::Eq)?;
890                        }
891                        // Value: recursive
892                        let val = self.parse_literal_value()?;
893                        let json_val = match val {
894                            Value::Null => reddb_types::json::Value::Null,
895                            Value::Boolean(b) => reddb_types::json::Value::Bool(b),
896                            Value::Integer(i) => reddb_types::json::Value::Number(i as f64),
897                            Value::Float(f) => reddb_types::json::Value::Number(f),
898                            Value::Text(s) => reddb_types::json::Value::String(s.to_string()),
899                            Value::Json(ref bytes) => reddb_types::json::from_slice(bytes)
900                                .unwrap_or(reddb_types::json::Value::Null),
901                            _ => reddb_types::json::Value::Null,
902                        };
903                        map.insert(key, json_val);
904                        if !self.consume(&Token::Comma)? {
905                            break;
906                        }
907                    }
908                }
909                self.expect(Token::RBrace)?;
910                let json_val = reddb_types::json::Value::Object(map);
911                let bytes = reddb_types::json::to_vec(&json_val).unwrap_or_default();
912                Ok(Value::Json(bytes))
913            }
914            ref other => Err(ParseError::expected(
915                vec!["string", "number", "true", "false", "null", "[", "{"],
916                other,
917                self.position(),
918            )),
919        }
920    }
921}
922
923fn returning_expr_start(token: &Token) -> bool {
924    matches!(
925        token,
926        Token::Integer(_)
927            | Token::Float(_)
928            | Token::String(_)
929            | Token::JsonLiteral(_)
930            | Token::Null
931            | Token::True
932            | Token::False
933            | Token::LParen
934            | Token::Minus
935            | Token::Question
936            | Token::Dollar
937    )
938}
939
940fn returning_expr_tail(token: &Token) -> bool {
941    matches!(
942        token,
943        Token::LParen
944            | Token::Plus
945            | Token::Minus
946            | Token::Star
947            | Token::Slash
948            | Token::Percent
949            | Token::DoublePipe
950            | Token::Pipe
951            | Token::Eq
952            | Token::Ne
953            | Token::Lt
954            | Token::Le
955            | Token::Gt
956            | Token::Ge
957            | Token::Dot
958            | Token::Colon
959    )
960}
961
962fn validate_update_order_by(
963    clauses: &[OrderByClause],
964    position: crate::lexer::Position,
965) -> Result<(), ParseError> {
966    for clause in clauses {
967        if clause.expr.is_some() {
968            return Err(ParseError::new(
969                "UPDATE ORDER BY only supports top-level fields",
970                position,
971            ));
972        }
973        match &clause.field {
974            FieldRef::TableColumn { table, column }
975                if table.is_empty() && !column.contains('.') => {}
976            _ => {
977                return Err(ParseError::new(
978                    "UPDATE ORDER BY only supports top-level fields",
979                    position,
980                ));
981            }
982        }
983    }
984    Ok(())
985}
986
987fn update_order_by_mentions_rid(clauses: &[OrderByClause]) -> bool {
988    clauses.iter().any(|clause| {
989        matches!(
990            &clause.field,
991            FieldRef::TableColumn { table, column }
992                if table.is_empty() && column.eq_ignore_ascii_case("rid")
993        )
994    })
995}
996
997fn returning_expr_not_supported(position: crate::lexer::Position) -> ParseError {
998    ParseError::new(
999        "NOT_YET_SUPPORTED: RETURNING expressions are not supported yet; use RETURNING * or named columns. Track a follow-up issue for RETURNING <expr>.",
1000        position,
1001    )
1002}
1003
1004fn secret_ref_value(store: &str, collection: &str, key: &str) -> Value {
1005    let mut map = reddb_types::json::Map::new();
1006    map.insert(
1007        "type".to_string(),
1008        reddb_types::json::Value::String("secret_ref".to_string()),
1009    );
1010    map.insert(
1011        "store".to_string(),
1012        reddb_types::json::Value::String(store.to_string()),
1013    );
1014    map.insert(
1015        "collection".to_string(),
1016        reddb_types::json::Value::String(collection.to_string()),
1017    );
1018    map.insert(
1019        "key".to_string(),
1020        reddb_types::json::Value::String(key.to_string()),
1021    );
1022    Value::Json(
1023        reddb_types::json::to_vec(&reddb_types::json::Value::Object(map)).unwrap_or_default(),
1024    )
1025}
1026
1027#[cfg(test)]
1028mod tests {
1029    use super::*;
1030    use crate::ast::{InsertEntityType, ReturningItem, UpdateTarget};
1031
1032    fn make_parser(input: &str) -> Parser<'_> {
1033        Parser::new(input).expect("lexer")
1034    }
1035
1036    fn insert(input: &str) -> InsertQuery {
1037        let mut parser = make_parser(input);
1038        let QueryExpr::Insert(query) = parser.parse_insert_query().expect("insert") else {
1039            panic!("expected insert query");
1040        };
1041        query
1042    }
1043
1044    fn update(input: &str) -> UpdateQuery {
1045        let mut parser = make_parser(input);
1046        let QueryExpr::Update(query) = parser.parse_update_query().expect("update") else {
1047            panic!("expected update query");
1048        };
1049        query
1050    }
1051
1052    fn delete(input: &str) -> DeleteQuery {
1053        let mut parser = make_parser(input);
1054        let QueryExpr::Delete(query) = parser.parse_delete_query().expect("delete") else {
1055            panic!("expected delete query");
1056        };
1057        query
1058    }
1059
1060    fn ask(input: &str) -> AskQuery {
1061        let mut parser = make_parser(input);
1062        let QueryExpr::Ask(query) = parser.parse_ask_query().expect("ask") else {
1063            panic!("expected ask query");
1064        };
1065        query
1066    }
1067
1068    #[test]
1069    fn insert_entity_types_with_options_returning_and_suppress_events() {
1070        let cases = [
1071            (
1072                "INSERT INTO items NODE (id) VALUES (1)",
1073                InsertEntityType::Node,
1074            ),
1075            (
1076                "INSERT INTO items EDGE (id) VALUES (1)",
1077                InsertEntityType::Edge,
1078            ),
1079            (
1080                "INSERT INTO items VECTOR (id) VALUES (1)",
1081                InsertEntityType::Vector,
1082            ),
1083            (
1084                "INSERT INTO items DOCUMENT (id) VALUES (1)",
1085                InsertEntityType::Document,
1086            ),
1087            ("INSERT INTO items KV (id) VALUES (1)", InsertEntityType::Kv),
1088        ];
1089        for (input, expected) in cases {
1090            assert_eq!(insert(input).entity_type, expected, "{input}");
1091        }
1092
1093        let query = insert(
1094            "INSERT INTO docs (id, body) VALUES (1, 'red'), (2, ?) \
1095             WITH TTL 2 h WITH EXPIRES AT 999 \
1096             WITH METADATA (source = 'test', score = 3) \
1097             WITH AUTO EMBED (body, title) USING openai MODEL 'text-embedding-3-small' \
1098             RETURNING * SUPPRESS EVENTS",
1099        );
1100        assert_eq!(query.table, "docs");
1101        assert_eq!(query.entity_type, InsertEntityType::Row);
1102        assert_eq!(query.columns, vec!["id", "body"]);
1103        assert_eq!(query.values.len(), 2);
1104        assert_eq!(query.value_exprs.len(), 2);
1105        assert_eq!(query.ttl_ms, Some(7_200_000));
1106        assert_eq!(query.expires_at_ms, Some(999));
1107        assert_eq!(query.with_metadata.len(), 2);
1108        assert_eq!(
1109            query.returning.as_deref(),
1110            Some([ReturningItem::All].as_slice())
1111        );
1112        let auto_embed = query.auto_embed.expect("auto embed");
1113        assert_eq!(auto_embed.fields, vec!["body", "title"]);
1114        assert_eq!(auto_embed.provider, "openai");
1115        assert_eq!(auto_embed.model.as_deref(), Some("text-embedding-3-small"));
1116        assert!(query.suppress_events);
1117    }
1118
1119    #[test]
1120    fn insert_rejects_metric_and_bad_with_clause() {
1121        let mut parser = make_parser("INSERT INTO METRIC cpu.usage (value) VALUES (1)");
1122        let err = parser
1123            .parse_insert_query()
1124            .expect_err("metric insert should fail");
1125        assert!(err.to_string().contains("INSERT INTO METRIC"));
1126
1127        let mut parser = make_parser("INSERT INTO docs (id) VALUES (1) WITH TTL 1 fortnight");
1128        let err = parser
1129            .parse_insert_query()
1130            .expect_err("bad ttl unit should fail");
1131        assert!(err.to_string().contains("unsupported TTL unit"));
1132
1133        let mut parser = make_parser("INSERT INTO docs (id) VALUES (1) WITH UNKNOWN");
1134        let err = parser
1135            .parse_insert_query()
1136            .expect_err("bad WITH should fail");
1137        assert!(err.to_string().contains("expected"));
1138    }
1139
1140    #[test]
1141    fn update_targets_compound_assignments_order_limit_returning() {
1142        let cases = [
1143            ("UPDATE docs KV SET count = 1", UpdateTarget::Kv),
1144            ("UPDATE docs ROWS SET count = 1", UpdateTarget::Rows),
1145            (
1146                "UPDATE docs DOCUMENTS SET count = 1",
1147                UpdateTarget::Documents,
1148            ),
1149            ("UPDATE docs NODES SET count = 1", UpdateTarget::Nodes),
1150            ("UPDATE docs EDGES SET count = 1", UpdateTarget::Edges),
1151        ];
1152        for (input, expected) in cases {
1153            assert_eq!(update(input).target, expected, "{input}");
1154        }
1155
1156        let query = update(
1157            "UPDATE docs DOCUMENTS SET count += 2, title = UPPER(title) \
1158             WHERE id = 1 WITH TTL 30 s WITH METADATA (source = 'update') \
1159             ORDER BY updated_at DESC LIMIT 5 RETURNING weight, title SUPPRESS EVENTS",
1160        );
1161        assert_eq!(query.table, "docs");
1162        assert_eq!(query.target, UpdateTarget::Documents);
1163        assert_eq!(query.assignment_exprs.len(), 2);
1164        assert_eq!(query.compound_assignment_ops, vec![Some(BinOp::Add), None]);
1165        assert_eq!(query.assignments.len(), 0);
1166        assert!(query.filter.is_some());
1167        assert!(query.where_expr.is_some());
1168        assert_eq!(query.ttl_ms, Some(30_000));
1169        assert_eq!(query.with_metadata.len(), 1);
1170        assert_eq!(query.limit, Some(5));
1171        assert_eq!(query.order_by.len(), 2);
1172        assert!(matches!(
1173            &query.order_by[1].field,
1174            FieldRef::TableColumn { column, .. } if column == "rid"
1175        ));
1176        assert_eq!(
1177            query.returning.as_deref(),
1178            Some(
1179                [
1180                    ReturningItem::Column("weight".to_string()),
1181                    ReturningItem::Column("title".to_string())
1182                ]
1183                .as_slice()
1184            )
1185        );
1186        assert!(query.suppress_events);
1187    }
1188
1189    #[test]
1190    fn update_rejects_invalid_assignment_and_order_by_forms() {
1191        let mut parser = make_parser("UPDATE docs SET count ^= 1");
1192        let err = parser
1193            .parse_update_query()
1194            .expect_err("unknown compound assignment should fail");
1195        assert!(err.to_string().contains("expected"));
1196
1197        let mut parser = make_parser("UPDATE docs SET count = 1 ORDER BY updated_at");
1198        let err = parser
1199            .parse_update_query()
1200            .expect_err("ORDER BY without LIMIT should fail");
1201        assert!(err.to_string().contains("requires LIMIT"));
1202
1203        let mut parser = make_parser("UPDATE docs SET count = 1 ORDER BY updated_at + 1 LIMIT 1");
1204        let err = parser
1205            .parse_update_query()
1206            .expect_err("ORDER BY expression should fail");
1207        assert!(err.to_string().contains("top-level fields"));
1208    }
1209
1210    #[test]
1211    fn delete_returning_and_suppress_events() {
1212        let query = delete("DELETE FROM docs WHERE id = 1 RETURNING id, title SUPPRESS EVENTS");
1213        assert_eq!(query.table, "docs");
1214        assert!(query.filter.is_some());
1215        assert!(query.where_expr.is_some());
1216        assert_eq!(
1217            query.returning.as_deref(),
1218            Some(
1219                [
1220                    ReturningItem::Column("id".to_string()),
1221                    ReturningItem::Column("title".to_string())
1222                ]
1223                .as_slice()
1224            )
1225        );
1226        assert!(query.suppress_events);
1227
1228        let query = delete("DELETE FROM docs RETURNING *");
1229        assert_eq!(
1230            query.returning.as_deref(),
1231            Some([ReturningItem::All].as_slice())
1232        );
1233    }
1234
1235    #[test]
1236    fn returning_rejects_expression_forms() {
1237        for input in [
1238            "DELETE FROM docs RETURNING 1",
1239            "DELETE FROM docs RETURNING UPPER(title)",
1240            "DELETE FROM docs RETURNING title || body",
1241        ] {
1242            let mut parser = make_parser(input);
1243            let err = parser
1244                .parse_delete_query()
1245                .expect_err("RETURNING expression should fail");
1246            assert!(err.to_string().contains("RETURNING expressions"));
1247        }
1248    }
1249
1250    #[test]
1251    fn ask_parses_all_optional_clauses_and_cache_modes() {
1252        let query = ask(
1253            "ASK 'what changed?' USING 'openai' MODEL 'gpt' DEPTH 3 LIMIT 4 \
1254             MIN_SCORE 0.7 COLLECTION docs TEMPERATURE 0.2 SEED 42 STRICT OFF \
1255             STREAM CACHE TTL '10m'",
1256        );
1257        assert_eq!(query.question, "what changed?");
1258        assert_eq!(query.provider.as_deref(), Some("openai"));
1259        assert_eq!(query.model.as_deref(), Some("gpt"));
1260        assert_eq!(query.depth, Some(3));
1261        assert_eq!(query.limit, Some(4));
1262        assert_eq!(query.min_score, Some(0.7));
1263        assert_eq!(query.collection.as_deref(), Some("docs"));
1264        assert_eq!(query.temperature, Some(0.2));
1265        assert_eq!(query.seed, Some(42));
1266        assert!(!query.strict);
1267        assert!(query.stream);
1268        assert_eq!(query.cache, AskCacheClause::CacheTtl("10m".to_string()));
1269
1270        let query = ask("ASK ? NOCACHE");
1271        assert_eq!(query.question, "");
1272        assert_eq!(query.question_param, Some(0));
1273        assert_eq!(query.cache, AskCacheClause::NoCache);
1274    }
1275
1276    #[test]
1277    fn explain_ask_and_ask_error_paths() {
1278        let mut parser = make_parser("EXPLAIN ASK $2 STRICT ON");
1279        let QueryExpr::Ask(query) = parser.parse_explain_ask_query().expect("explain ask") else {
1280            panic!("expected ask query");
1281        };
1282        assert!(query.explain);
1283        assert_eq!(query.question_param, Some(1));
1284        assert!(query.strict);
1285
1286        let mut parser = make_parser("EXPLAIN SELECT 1");
1287        let err = parser
1288            .parse_explain_ask_query()
1289            .expect_err("missing ASK should fail");
1290        assert!(err.to_string().contains("expected"));
1291
1292        let mut parser = make_parser("ASK 'q' STRICT MAYBE");
1293        let err = parser
1294            .parse_ask_query()
1295            .expect_err("bad strict should fail");
1296        assert!(err.to_string().contains("Expected ON or OFF"));
1297
1298        let mut parser = make_parser("ASK 'q' CACHE TTL '10m' NOCACHE");
1299        let err = parser
1300            .parse_ask_query()
1301            .expect_err("duplicate cache should fail");
1302        assert!(err.to_string().contains("cache clause"));
1303
1304        let mut parser = make_parser("ASK 'q' CACHE FOREVER '10m'");
1305        let err = parser
1306            .parse_ask_query()
1307            .expect_err("bad cache ttl keyword should fail");
1308        assert!(err.to_string().contains("Expected TTL"));
1309    }
1310
1311    #[test]
1312    fn literal_value_special_constructors_arrays_and_objects() {
1313        let mut parser = make_parser("PASSWORD('pw')");
1314        assert!(matches!(
1315            parser.parse_literal_value().expect("password"),
1316            Value::Password(secret) if secret == "@@plain@@pw"
1317        ));
1318
1319        let mut parser = make_parser("SECRET('pw')");
1320        assert!(matches!(
1321            parser.parse_literal_value().expect("secret"),
1322            Value::Secret(bytes) if bytes == b"@@plain@@pw"
1323        ));
1324
1325        let mut parser = make_parser("SECRET_REF(vault, red.vault.api_key)");
1326        let value = parser.parse_literal_value().expect("secret ref");
1327        assert!(matches!(value, Value::Json(_)));
1328
1329        let mut parser = make_parser("[1, 2.5]");
1330        assert!(matches!(
1331            parser.parse_literal_value().expect("vector"),
1332            Value::Vector(values) if values == vec![1.0, 2.5]
1333        ));
1334
1335        let mut parser = make_parser("['a', 2]");
1336        assert!(matches!(
1337            parser.parse_literal_value().expect("json array"),
1338            Value::Json(_)
1339        ));
1340
1341        let mut parser = make_parser("{level = 'info', count: 2}");
1342        assert!(matches!(
1343            parser.parse_literal_value().expect("json object"),
1344            Value::Json(_)
1345        ));
1346    }
1347
1348    #[test]
1349    fn literal_value_rejects_invalid_secret_ref_and_scalar_start() {
1350        let mut parser = make_parser("SECRET_REF(config, red.vault.api_key)");
1351        let err = parser
1352            .parse_literal_value()
1353            .expect_err("non-vault secret ref should fail");
1354        assert!(err.to_string().contains("expected"));
1355
1356        let mut parser = make_parser("ORDER");
1357        let err = parser
1358            .parse_literal_value()
1359            .expect_err("non literal should fail");
1360        assert!(err.to_string().contains("expected"));
1361    }
1362
1363    #[test]
1364    fn json_depth_check_rejects_deep_literals() {
1365        let mut deep = reddb_types::utils::json::JsonValue::Array(vec![]);
1366        for _ in 0..JSON_LITERAL_MAX_DEPTH {
1367            deep = reddb_types::utils::json::JsonValue::Array(vec![deep]);
1368        }
1369        let err = json_literal_depth_check(&deep).expect_err("depth should fail");
1370        assert!(err.contains("JSON_LITERAL_MAX_DEPTH"));
1371    }
1372}
reddb_rql/parser/dml.rs

reddb_rql/parser/
dml.rs
