{"record":{"id":"438fa3c40991c7b7","repo":"t8y2/dbx","slug":"failed-to-load-view-source-for-s-s-from-all-view","errorCode":null,"errorMessage":"failed to load view source for %s.%s from ALL_VIEWS: %w","messagePattern":"failed to load view source for (.+?)\\.(.+?) from ALL_VIEWS: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"agents/drivers/oracle-go/main.go","lineNumber":3424,"sourceCode":"\t\treturn strings.TrimSpace(ddl), nil\n\t}\n\n\tvar source string\n\tfallbackErr := db.QueryRow(\n\t\t\"SELECT TEXT FROM ALL_VIEWS WHERE OWNER = :1 AND VIEW_NAME = :2\",\n\t\tschema, viewName,\n\t).Scan(&source)\n\tif fallbackErr == nil && strings.TrimSpace(source) != \"\" {\n\t\treturn strings.TrimSpace(source), nil\n\t}\n\tif fallbackErr != nil && !errors.Is(fallbackErr, sql.ErrNoRows) {\n\t\tif metadataErr != nil {\n\t\t\treturn \"\", fmt.Errorf(\n\t\t\t\t\"failed to load view source for %s.%s: DBMS_METADATA: %v; ALL_VIEWS: %w\",\n\t\t\t\tschema, viewName, metadataErr, fallbackErr,\n\t\t\t)\n\t\t}\n\t\treturn \"\", fmt.Errorf(\"failed to load view source for %s.%s from ALL_VIEWS: %w\", schema, viewName, fallbackErr)\n\t}\n\treturn \"\", fmt.Errorf(\"view source not found: %s.%s\", schema, viewName)\n}\n\nfunc (s *server) buildTableDDL(schema, table string) (string, error) {\n\tcolumns, err := s.getColumns(schema, table)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\tif len(columns) == 0 {\n\t\treturn \"\", fmt.Errorf(\"table not found: %s.%s\", schema, table)\n\t}\n\tvar builder strings.Builder\n\tbuilder.WriteString(\"CREATE TABLE \")\n\tbuilder.WriteString(quoteIdentifier(schema))\n\tbuilder.WriteByte('.')\n\tbuilder.WriteString(quoteIdentifier(table))\n\tbuilder.WriteString(\" (\\n\")","sourceCodeStart":3406,"sourceCodeEnd":3442,"githubUrl":"https://github.com/t8y2/dbx/blob/c0390bff16418b651f4728520d99adf8ce48829a/agents/drivers/oracle-go/main.go#L3406-L3442","documentation":"When DBMS_METADATA is unavailable or fails, the driver falls back to reading the view body from ALL_VIEWS.TEXT. If that fallback query fails with an error other than sql.ErrNoRows (and DBMS_METADATA did not fail), the driver wraps it as 'failed to load view source ... from ALL_VIEWS'.","triggerScenarios":"The ALL_VIEWS SELECT fails due to privileges, connection loss, or scanning errors — commonly because TEXT is a LONG column and the row is too large, or because the view does not belong to an accessible schema.","commonSituations":"Restricted accounts without dictionary access; very large view definitions; driver/LOB handling issues; querying a different database than intended (wrong service name).","solutions":["Grant SELECT on the relevant dictionary views (or use a more privileged connection for introspection)","Set driver row-fetch settings for LONG columns or use TO_LOB/DBMS_METADATA alternative extraction","Verify the connected service/schema is the intended database","Handle the wrapped ORA- error directly if it indicates a specific catalog issue"],"exampleFix":"// before\nSELECT text FROM all_views WHERE owner='HR' AND view_name='V'; // ORA-00932 LONG column issue\n// after\nSELECT TO_LOB(text) FROM all_views WHERE owner='HR' AND view_name='V'; // or use DBMS_METADATA path","handlingStrategy":"try-catch","validationCode":"var txt string\nerr := db.QueryRow(`SELECT text FROM all_views WHERE owner=:1 AND view_name=:2`, schema, view).Scan(&txt)\nif err != nil { return fmt.Errorf(\"precheck ALL_VIEWS read failed: %w\", err) }","typeGuard":null,"tryCatchPattern":"src, err := loadViewSource(s, schema, view)\nif err != nil && strings.Contains(err.Error(), \"from ALL_VIEWS\") {\n    return fmt.Errorf(\"dictionary access problem for %s.%s: %w\", schema, view, err)\n}","preventionTips":["Grant SELECT_CATALOG_ROLE or equivalent dictionary access","Watch for ORA-00932 (LONG column) and use DBMS_METADATA or TO_LOB workarounds","Confirm you are connected to the intended Oracle service","Keep the DBMS_METADATA path available so the ALL_VIEWS fallback is rarely needed"],"tags":["go","oracle","view","all-views","privileges"],"backgroundTag":"view-source-extraction-failed","analyzedSha":"c0390bff16418b651f4728520d99adf8ce48829a","analyzedAt":"2026-09-05T23:05:10.900Z","contentChangedAt":"2026-09-05T23:05:10.900Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}