47 lines
1.8 KiB
Rust
47 lines
1.8 KiB
Rust
use dbx_core::sql_analysis::analyze_sql_references;
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#[test]
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fn extracts_tables_aliases_and_qualified_columns() {
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let analysis = analyze_sql_references("select u.missing from users u where u.id = 1", Some("postgres")).unwrap();
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assert_eq!(analysis.tables.len(), 1);
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assert_eq!(analysis.tables[0].name, "users");
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assert_eq!(analysis.tables[0].alias.as_deref(), Some("u"));
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let columns: Vec<_> =
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analysis.columns.iter().map(|column| (column.qualifier.as_deref(), column.name.as_str())).collect();
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assert_eq!(columns, vec![(Some("u"), "missing"), (Some("u"), "id")]);
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}
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#[test]
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fn extracts_unqualified_columns_from_single_table_select() {
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let analysis = analyze_sql_references("select missing, id from users", Some("postgres")).unwrap();
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let columns: Vec<_> =
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analysis.columns.iter().map(|column| (column.qualifier.as_deref(), column.name.as_str())).collect();
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assert_eq!(columns, vec![(None, "missing"), (None, "id")]);
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}
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#[test]
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fn extracts_unqualified_order_by_columns_for_sqlserver_queries() {
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let analysis =
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analyze_sql_references("SELECT * FROM Evt_GCM_Qop_Info ORDER BY PDReceiveDatePartInfo DESC", Some("sqlserver"))
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.unwrap();
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assert_eq!(analysis.tables.len(), 1);
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assert_eq!(analysis.tables[0].name, "Evt_GCM_Qop_Info");
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let columns: Vec<_> =
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analysis.columns.iter().map(|column| (column.qualifier.as_deref(), column.name.as_str())).collect();
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assert_eq!(columns, vec![(None, "PDReceiveDatePartInfo")]);
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}
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#[test]
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fn duckdb_parser_gap_queries_do_not_raise_syntax_errors() {
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for sql in ["FROM users;", "SUMMARIZE users;", "SUMMARISE users;"] {
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let analysis = analyze_sql_references(sql, Some("duckdb")).expect("duckdb parser gap query should analyze");
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assert!(analysis.tables.is_empty());
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assert!(analysis.columns.is_empty());
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}
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}
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