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codesynapse_core/ts_extract/
sql.rs

1use super::{add_contains_edge, add_node_if_missing, make_file_node};
2use crate::error::Result;
3use crate::extract::{make_id, ImportNode, LanguageExtractor};
4use crate::types::{Edge, ExtractionFragment, Node};
5use std::collections::HashMap;
6use std::path::Path;
7
8pub struct TsSqlExtractor;
9
10impl TsSqlExtractor {
11    pub fn extract(source: &[u8], path: &Path) -> Result<ExtractionFragment> {
12        let (file_id, _, file_node) = make_file_node(path);
13        let mut fragment = ExtractionFragment {
14            nodes: vec![file_node],
15            edges: vec![],
16        };
17
18        let content = std::str::from_utf8(source).unwrap_or("");
19        for line in content.lines() {
20            let upper = line.to_uppercase();
21            let trimmed = line.trim();
22
23            if upper.contains("CREATE TABLE") {
24                let after = trimmed
25                    .strip_prefix("CREATE TABLE")
26                    .or_else(|| trimmed.strip_prefix("create table"))
27                    .or_else(|| trimmed.strip_prefix("create table"))
28                    .unwrap_or("")
29                    .trim();
30                let table_name = after
31                    .split_whitespace()
32                    .next()
33                    .unwrap_or("")
34                    .trim_matches('(');
35                let table_id = make_id(&[&file_id, table_name]);
36                fragment.nodes.push(Node {
37                    id: table_id.clone(),
38                    label: table_name.to_string(),
39                    file_type: "data".to_string(),
40                    source_file: path.to_string_lossy().to_string(),
41                    source_location: None,
42                    community: None,
43                    rationale: None,
44                    docstring: None,
45                    metadata: {
46                        let mut m = HashMap::new();
47                        m.insert("kind".to_string(), "table".to_string());
48                        m
49                    },
50                });
51                add_contains_edge(&mut fragment, &file_id, table_id, path);
52            }
53
54            // FOREIGN KEY references
55            if upper.contains("FOREIGN KEY") && upper.contains("REFERENCES") {
56                if let Some(ref_part) = trimmed.to_lowercase().split("references").nth(1) {
57                    let target = ref_part
58                        .split_whitespace()
59                        .next()
60                        .unwrap_or("")
61                        .trim_matches('(');
62                    if !target.is_empty() {
63                        let ref_id = make_id(&[&file_id, target]);
64                        let ref_node = Node {
65                            id: ref_id.clone(),
66                            label: target.to_string(),
67                            file_type: "data".to_string(),
68                            source_file: path.to_string_lossy().to_string(),
69                            source_location: None,
70                            community: None,
71                            rationale: None,
72                            docstring: None,
73                            metadata: HashMap::new(),
74                        };
75                        add_node_if_missing(&mut fragment, ref_node);
76                        if !fragment
77                            .edges
78                            .iter()
79                            .any(|e| e.target == ref_id && e.relation == "references")
80                        {
81                            fragment.edges.push(Edge {
82                                source: file_id.clone(),
83                                target: ref_id.clone(),
84                                relation: "references".to_string(),
85                                confidence: "EXTRACTED".to_string(),
86                                source_file: Some(path.to_string_lossy().to_string()),
87                                weight: 1.0,
88                                context: None,
89                            });
90                        }
91                    }
92                }
93            }
94        }
95
96        Ok(fragment)
97    }
98}
99
100/// Tree-sitter based Bash extractor
101impl LanguageExtractor for TsSqlExtractor {
102    fn file_extensions(&self) -> Vec<&'static str> {
103        vec!["sql"]
104    }
105    fn extract(&self, source: &[u8], path: &Path) -> Result<ExtractionFragment> {
106        Self::extract(source, path)
107    }
108    fn resolve_imports(&self, _imports: &[ImportNode]) -> Vec<Edge> {
109        vec![]
110    }
111    fn collect_type_refs(&self, _fragment: &mut ExtractionFragment) {}
112}