feat(data-grid): optional database/schema prefix in copied INSERT SQL

crates/dbx-sql/src/data_grid_extractors/contract.rs

@@ -94,6 +94,7 @@ pub struct DataGridSqlExtractorOptions {
     pub skip_generated_columns: bool,
     pub insert_mode: DataGridCopyInsertMode,
     pub exclude_primary_keys_from_insert: bool,
+    pub include_database_name: bool,
 }
 
 impl Default for DataGridSqlExtractorOptions {
@@ -103,6 +104,7 @@ impl Default for DataGridSqlExtractorOptions {
             skip_generated_columns: DEFAULT_SQL_SKIP_GENERATED_COLUMNS,
             insert_mode: DataGridCopyInsertMode::Merged,
             exclude_primary_keys_from_insert: false,
+            include_database_name: true,
         }
     }
 }

crates/dbx-sql/src/data_grid_extractors/sql.rs

@@ -72,6 +72,7 @@ pub(super) fn write_sql_inserts(
         rows: data.rows,
         exclude_primary_keys: context.request.options.sql.exclude_primary_keys_from_insert,
         include_computed_columns: !context.request.options.sql.skip_computed_columns,
+        include_database_name: context.request.options.sql.include_database_name,
         insert_mode: context.request.options.sql.insert_mode,
     })
     .ok_or_else(|| {

crates/dbx-sql/src/data_grid_extractors/tests.rs

@@ -42,10 +42,133 @@ fn partially_deserialized_options_use_the_canonical_defaults() {
     assert!(!options.sql.skip_generated_columns);
     assert_eq!(options.sql.insert_mode, crate::data_grid_sql::DataGridCopyInsertMode::Merged);
     assert!(!options.sql.exclude_primary_keys_from_insert);
+    assert!(options.sql.include_database_name);
     assert!(options.json.pretty);
     assert!(!options.json.camel_case_field_names);
 }
 
+#[test]
+fn insert_database_name_option_handles_engine_namespaces() {
+    use crate::data_grid_sql::DataGridCopyInsertMode;
+    use crate::sql_dialect::uses_single_row_insert_statements;
+
+    for (database_type, catalog, schema, qualified, unqualified) in [
+        (DatabaseType::Mysql, None, "a`b", "`a``b`.`users`", "`users`"),
+        (DatabaseType::Goldendb, None, "app", "`app`.`users`", "`users`"),
+        (DatabaseType::Doris, Some("internal"), "app", "`app`.`users`", "`users`"),
+        (DatabaseType::StarRocks, None, "app", "`app`.`users`", "`users`"),
+        (DatabaseType::Sqlite, None, "main", "\"main\".\"users\"", "\"users\""),
+        (DatabaseType::Sqlite, None, "attached", "\"attached\".\"users\"", "\"users\""),
+        (DatabaseType::DuckDb, None, "main", "\"main\".\"users\"", "\"users\""),
+        (DatabaseType::Oracle, None, "APP", "\"APP\".\"users\"", "\"users\""),
+        (DatabaseType::Dameng, None, "APP", "\"APP\".\"users\"", "\"users\""),
+        (DatabaseType::Kingbase, None, "audit", "\"audit\".\"users\"", "\"users\""),
+        (DatabaseType::Gaussdb, None, "audit", "\"audit\".\"users\"", "\"users\""),
+        (DatabaseType::OpenGauss, None, "audit", "\"audit\".\"users\"", "\"users\""),
+        (DatabaseType::Db2, None, "APP", "\"APP\".\"users\"", "\"users\""),
+        (DatabaseType::StarRocks, Some("iceberg"), "app", "`iceberg`.`app`.`users`", "`users`"),
+        (DatabaseType::Postgres, None, "audit", "\"audit\".\"users\"", "\"users\""),
+        (DatabaseType::SqlServer, Some("app"), "audit", "[app].[audit].[users]", "[users]"),
+        (DatabaseType::Doris, Some("iceberg"), "app", "`iceberg`.`app`.`users`", "`users`"),
+    ] {
+        for include_database_name in [true, false] {
+            for insert_mode in [DataGridCopyInsertMode::Merged, DataGridCopyInsertMode::RowByRow] {
+                let mut request = request(DataGridExtractorId::SqlInserts);
+                request.database_type = Some(database_type);
+                request.table_meta = Some(DataGridTableMeta {
+                    catalog: catalog.map(str::to_owned),
+                    database: Some("app".to_owned()),
+                    schema: Some(schema.to_owned()),
+                    table_name: "users".to_owned(),
+                    primary_keys: vec![],
+                    columns: None,
+                });
+                request.options.sql.include_database_name = include_database_name;
+                request.options.sql.insert_mode = insert_mode;
+                // Exercise the same camelCase contract sent by the frontend.
+                let request = serde_json::from_value(serde_json::to_value(request).unwrap()).unwrap();
+                let result = extract_data_grid_selection(request).unwrap();
+                let table = if include_database_name { qualified } else { unqualified };
+                let statements: Vec<_> = result.text.split(";\n").collect();
+                let expected_statement_count = if insert_mode == DataGridCopyInsertMode::RowByRow
+                    || uses_single_row_insert_statements(database_type)
+                {
+                    2
+                } else {
+                    1
+                };
+                assert_eq!(statements.len(), expected_statement_count);
+                for statement in statements {
+                    assert!(statement.starts_with(&format!("INSERT INTO {table} (")), "{statement}");
+                }
+            }
+        }
+    }
+}
+
+#[test]
+fn insert_database_name_option_uses_database_when_schema_is_absent() {
+    use crate::data_grid_sql::DataGridCopyInsertMode;
+
+    for database_type in [DatabaseType::Mysql, DatabaseType::Goldendb, DatabaseType::Doris, DatabaseType::StarRocks] {
+        for (database, schema, qualified) in [
+            (Some("a`b"), None, "`a``b`.`users`"),
+            (Some("app"), Some(""), "`app`.`users`"),
+            (Some("app"), Some("  "), "`app`.`users`"),
+            (Some("app"), Some("other"), "`other`.`users`"),
+            (None, Some("other"), "`other`.`users`"),
+            (None, None, "`users`"),
+            (Some("  "), None, "`users`"),
+        ] {
+            for include_database_name in [true, false] {
+                for insert_mode in [DataGridCopyInsertMode::Merged, DataGridCopyInsertMode::RowByRow] {
+                    let mut request = request(DataGridExtractorId::SqlInserts);
+                    request.database_type = Some(database_type);
+                    request.table_meta = Some(DataGridTableMeta {
+                        catalog: None,
+                        database: database.map(str::to_owned),
+                        schema: schema.map(str::to_owned),
+                        table_name: "users".to_owned(),
+                        primary_keys: vec![],
+                        columns: None,
+                    });
+                    request.options.sql.include_database_name = include_database_name;
+                    request.options.sql.insert_mode = insert_mode;
+                    let request = serde_json::from_value(serde_json::to_value(request).unwrap()).unwrap();
+                    let result = extract_data_grid_selection(request).unwrap();
+                    let table = if include_database_name { qualified } else { "`users`" };
+                    for statement in result.text.split(";\n") {
+                        assert!(statement.starts_with(&format!("INSERT INTO {table} (")), "{statement}");
+                    }
+                }
+            }
+        }
+    }
+}
+
+#[test]
+fn postgres_insert_can_omit_schema_namespace() {
+    for schema in [Some("dbx_dst_ccfebf6b"), None] {
+        for include_database_name in [true, false] {
+            let mut request = request(DataGridExtractorId::SqlInserts);
+            request.database_type = Some(DatabaseType::Postgres);
+            request.table_meta = Some(DataGridTableMeta {
+                catalog: None,
+                database: Some("app".to_owned()),
+                schema: schema.map(str::to_owned),
+                table_name: "users".to_owned(),
+                primary_keys: vec![],
+                columns: None,
+            });
+            request.options.sql.include_database_name = include_database_name;
+            let result = extract_data_grid_selection(request).unwrap();
+            let table =
+                if include_database_name && schema.is_some() { r#""dbx_dst_ccfebf6b"."users""# } else { r#""users""# };
+            assert!(result.text.starts_with(&format!("INSERT INTO {table} (")), "{}", result.text);
+        }
+    }
+}
+
 #[test]
 fn extracts_csv_with_minimal_standard_quoting() {
     let result = extract_data_grid_selection(request(DataGridExtractorId::Csv)).expect("CSV extraction");

crates/dbx-sql/src/data_grid_sql.rs

@@ -134,10 +134,16 @@ pub struct DataGridCopyInsertStatementOptions {
     pub exclude_primary_keys: bool,
     #[serde(default)]
     pub include_computed_columns: bool,
+    #[serde(default = "default_include_database_name")]
+    pub include_database_name: bool,
     #[serde(default)]
     pub insert_mode: DataGridCopyInsertMode,
 }
 
+fn default_include_database_name() -> bool {
+    true
+}
+
 #[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Serialize, Deserialize)]
 #[cfg_attr(feature = "openapi", derive(utoipa::ToSchema))]
 #[serde(rename_all = "kebab-case")]
@@ -519,10 +525,53 @@ pub fn build_data_grid_copy_insert_statement(options: DataGridCopyInsertStatemen
     let table = options.table_meta.as_ref().map_or_else(
         || "table_name".to_string(),
         |meta| {
+            // This copy option controls every namespace prefix, including
+            // SQLite's main schema and external catalogs.
+            if !options.include_database_name {
+                return data_grid_identifier(
+                    options.database_type,
+                    &meta.table_name,
+                    options.identifier_quote.as_deref(),
+                );
+            }
+            // MySQL-compatible engines can store the database in either field.
+            let use_database_fallback = match options.database_type {
+                Some(DatabaseType::Mysql | DatabaseType::Goldendb | DatabaseType::ClickHouse) => true,
+                Some(DatabaseType::Doris | DatabaseType::StarRocks) => meta
+                    .catalog
+                    .as_deref()
+                    .is_none_or(|catalog| catalog.trim().is_empty() || catalog.trim() == "internal"),
+                _ => false,
+            };
+            // MySQL table tabs store the namespace in `database` without a
+            // schema. Explicit schemas still take priority for cross-database
+            // sources; schema-based engines must not use this fallback.
+            let schema = if use_database_fallback {
+                meta.schema
+                    .as_deref()
+                    .filter(|schema| !schema.trim().is_empty())
+                    .or_else(|| meta.database.as_deref().filter(|database| !database.trim().is_empty()))
+            } else {
+                meta.schema.as_deref()
+            };
+            // ClickHouse uses a database qualifier rather than SQL schemas.
+            if options.database_type == Some(DatabaseType::ClickHouse) {
+                if let Some(database) = schema {
+                    return format!(
+                        "{}.{}",
+                        data_grid_identifier(options.database_type, database, options.identifier_quote.as_deref()),
+                        data_grid_identifier(
+                            options.database_type,
+                            &meta.table_name,
+                            options.identifier_quote.as_deref()
+                        ),
+                    );
+                }
+            }
             data_grid_qualified_table_name(
                 options.database_type,
                 meta.catalog.as_deref(),
-                meta.schema.as_deref(),
+                schema,
                 meta.database.as_deref(),
                 &meta.table_name,
                 options.identifier_quote.as_deref(),
@@ -4016,6 +4065,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("ada"), json!("Ada")], vec![json!(2), json!("linus"), json!("Linus")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(
@@ -4067,6 +4117,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("Ada")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4113,6 +4164,7 @@ mod tests {
             rows: vec![vec![json!("A-1"), json!("A-1"), json!("Ada")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(
@@ -4169,6 +4221,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("Ada"), json!("ADA")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(statement.as_deref(), Some("INSERT INTO `users` (`label`) VALUES ('Ada');"));
@@ -4238,6 +4291,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("2026-08-18"), json!("sweater")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(
@@ -4282,6 +4336,7 @@ mod tests {
             rows: vec![vec![json!("AD"), json!("Andorra")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(
@@ -4311,6 +4366,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("ada")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(statement.as_deref(), Some("INSERT INTO `users` (`id`, `login_name`) VALUES (1, 'ada');"));
@@ -4328,6 +4384,7 @@ mod tests {
             rows: vec![vec![json!(7), json!(true), json!(r#"{"name":"Ada","roles":["admin"]}"#)]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4349,6 +4406,7 @@ mod tests {
             rows: vec![vec![json!([1, 2, 3])]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4367,6 +4425,7 @@ mod tests {
             rows: vec![vec![json!([])]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4385,6 +4444,7 @@ mod tests {
             rows: vec![vec![json!({"a": 1})]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4498,6 +4558,7 @@ mod tests {
             rows: vec![vec![json!("ada"), json!("Ada")]],
             exclude_primary_keys: true,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4526,6 +4587,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("ada"), json!("Ada")], vec![json!(2), json!("linus"), json!("Linus")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::RowByRow,
         });
         assert_eq!(
@@ -4555,6 +4617,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("Ada")], vec![json!(2), json!("Linus")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4587,6 +4650,7 @@ mod tests {
             rows: rows.clone(),
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(
@@ -4654,6 +4718,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("Hello"), json!("'hello':1A")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -4679,6 +4744,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("2022-08-25T09:58:43Z"), json!("2022-08-25T09:58:43Z")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -6697,6 +6763,7 @@ mod tests {
             rows: vec![vec![json!(1), json!("login")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
 
@@ -8571,6 +8638,7 @@ mod tests {
             rows: vec![vec![json!(2), json!("new")]],
             exclude_primary_keys: false,
             include_computed_columns: false,
+            include_database_name: true,
             insert_mode: DataGridCopyInsertMode::Merged,
         });
         assert_eq!(