Database commands (#5307)

* database commands

* db commands

* filesystem opens sqlite file

* clippy error

* corrected error in ci file

* removes matrix flag from ci

* flax matrix for clippy

* add conditional compile for tests

* add conditional compile for tests

* correct order of command

* correct error msg

* correct typo

crates/nu-command/tests/commands/mod.rs

@@ -39,6 +39,7 @@ mod open;
 mod parse;
 mod path;
 mod prepend;
+#[cfg(feature = "database")]
 mod query;
 mod random;
 mod range;

crates/nu-command/tests/commands/open.rs

@@ -108,8 +108,8 @@ fn parses_more_bson_complexity() {
 // │ 4 │      │
 // ╰───┴──────╯
 
+#[cfg(feature = "database")]
 #[test]
-
 fn parses_sqlite() {
     let actual = nu!(
         cwd: "tests/fixtures/formats", pipeline(
@@ -123,6 +123,7 @@ fn parses_sqlite() {
     assert_eq!(actual.out, "3");
 }
 
+#[cfg(feature = "database")]
 #[test]
 fn parses_sqlite_get_column_name() {
     let actual = nu!(

crates/nu-command/tests/commands/query/db.rs

@@ -1,13 +1,12 @@
 use nu_test_support::{nu, pipeline};
 
 #[test]
-
 fn can_query_single_table() {
     let actual = nu!(
         cwd: "tests/fixtures/formats", pipeline(
         r#"
             open sample.db
-            | query db "select * from strings"
+            | db query "select * from strings"
             | where x =~ ell
             | length
         "#
@@ -22,7 +21,7 @@ fn invalid_sql_fails() {
         cwd: "tests/fixtures/formats", pipeline(
         r#"
             open sample.db
-            | query db "select *asdfasdf"
+            | db query "select *asdfasdf"
         "#
     ));
 
@@ -32,11 +31,11 @@ fn invalid_sql_fails() {
 #[test]
 fn invalid_input_fails() {
     let actual = nu!(
-        cwd: "tests/fixtures/formats", pipeline(
+    cwd: "tests/fixtures/formats", pipeline(
         r#"
-            "foo" | query db "select * from asdf"
+            "foo" | db query "select * from asdf"
         "#
     ));
 
-    assert!(actual.err.contains("pipeline_mismatch"));
+    assert!(actual.err.contains("can't convert string"));
 }

crates/nu-command/tests/commands/where_.rs

@@ -41,6 +41,7 @@ fn where_not_in_table() {
     assert_eq!(actual.out, "4");
 }
 
+#[cfg(feature = "database")]
 #[test]
 fn binary_operator_comparisons() {
     let actual = nu!(
@@ -109,6 +110,7 @@ fn binary_operator_comparisons() {
     assert_eq!(actual.out, "42");
 }
 
+#[cfg(feature = "database")]
 #[test]
 fn contains_operator() {
     let actual = nu!(