Add ShowObjects statement (#2)

* Added ShowObjects statement

* Parsing, next tests

* Small comment

* Tests done according to other SHOW statements

* Removed unnecessary comments

Author: DanCodedThis

src/ast/mod.rs

@@ -2948,6 +2948,32 @@ pub enum Statement {
         show_options: ShowStatementOptions,
     },
     /// ```sql
+    /// SHOW [ TERSE ] OBJECTS [ LIKE '<pattern>' ]
+    ///                        [ IN
+    ///                              {
+    ///                                ACCOUNT                                         |
+    ///    
+    ///                                DATABASE                                        |
+    ///                                DATABASE <database_name>                        |
+    ///
+    ///                                SCHEMA                                          |
+    ///                                SCHEMA <schema_name>                            |
+    ///                                <schema_name>
+    ///
+    ///                                APPLICATION <application_name>                  |
+    ///                                APPLICATION PACKAGE <application_package_name>  |
+    ///                              }
+    ///                        ]
+    ///                        [ STARTS WITH '<name_string>' ]
+    ///                        [ LIMIT <rows> [ FROM '<name_string>' ] ]
+    /// ```
+    /// Snowflake-specific statement
+    /// <https://docs.snowflake.com/en/sql-reference/sql/show-objects>
+    ShowObjects {
+        terse: bool,
+        show_options: ShowStatementOptions,
+    },
+    /// ```sql
     /// SHOW TABLES
     /// ```
     ShowTables {
@@ -4692,6 +4718,17 @@ impl fmt::Display for Statement {
                 )?;
                 Ok(())
             }
+            Statement::ShowObjects {
+                terse,
+                show_options,
+            } => {
+                write!(
+                    f,
+                    "SHOW {terse}OBJECTS{show_options}",
+                    terse = if *terse { "TERSE " } else { "" },
+                )?;
+                Ok(())
+            }
             Statement::ShowTables {
                 terse,
                 history,

src/ast/spans.rs

@@ -515,6 +515,7 @@ impl Spanned for Statement {
             Statement::DropPolicy { .. } => Span::empty(),
             Statement::ShowDatabases { .. } => Span::empty(),
             Statement::ShowSchemas { .. } => Span::empty(),
+            Statement::ShowObjects { .. } => Span::empty(),
             Statement::ShowViews { .. } => Span::empty(),
             Statement::LISTEN { .. } => Span::empty(),
             Statement::NOTIFY { .. } => Span::empty(),

src/dialect/snowflake.rs

@@ -178,6 +178,13 @@ impl Dialect for SnowflakeDialect {
             return Some(parse_file_staging_command(kw, parser));
         }
 
+        if parser.parse_keyword(Keyword::SHOW) {
+            let terse = parser.parse_keyword(Keyword::TERSE);
+            if parser.parse_keyword(Keyword::OBJECTS) {
+                return Some(parse_show_objects(terse, parser));
+            }
+        }
+
         None
     }
 
@@ -1116,3 +1123,15 @@ fn parse_column_tags(parser: &mut Parser, with: bool) -> Result<TagsColumnOption
 
     Ok(TagsColumnOption { with, tags })
 }
+
+/// Parse snowflake show objects.
+/// <https://docs.snowflake.com/en/sql-reference/sql/show-objects>
+fn parse_show_objects(terse: bool, parser: &mut Parser) -> Result<Statement, ParserError> {
+    let show_options = parser.parse_show_stmt_options()?;
+    Ok(
+        Statement::ShowObjects { 
+            terse, 
+            show_options, 
+        }
+    )
+}

src/keywords.rs

@@ -560,6 +560,7 @@ define_keywords!(
     NUMERIC,
     NVARCHAR,
     OBJECT,
+    OBJECTS,
     OCCURRENCES_REGEX,
     OCTETS,
     OCTET_LENGTH,

src/parser/mod.rs

@@ -13670,8 +13670,8 @@ impl<'a> Parser<'a> {
         }
         false
     }
-
-    fn parse_show_stmt_options(&mut self) -> Result<ShowStatementOptions, ParserError> {
+    
+    pub fn parse_show_stmt_options(&mut self) -> Result<ShowStatementOptions, ParserError> {
         let show_in;
         let mut filter_position = None;
         if self.dialect.supports_show_like_before_in() {

tests/sqlparser_snowflake.rs

@@ -2955,6 +2955,24 @@ fn test_parse_show_schemas() {
     snowflake().verified_stmt("SHOW SCHEMAS IN DATABASE STARTS WITH 'abc' LIMIT 20 FROM 'xyz'");
 }
 
+#[test]
+fn test_parse_show_objects() {
+    snowflake().verified_stmt("SHOW OBJECTS");
+    snowflake().verified_stmt("SHOW OBJECTS IN abc");
+    snowflake().verified_stmt("SHOW OBJECTS LIKE '%test%' IN abc");
+    snowflake().verified_stmt("SHOW OBJECTS IN ACCOUNT");
+    snowflake().verified_stmt("SHOW OBJECTS IN DATABASE");
+    snowflake().verified_stmt("SHOW OBJECTS IN DATABASE abc");
+    snowflake().verified_stmt("SHOW OBJECTS IN SCHEMA");
+    snowflake().verified_stmt("SHOW OBJECTS IN SCHEMA abc");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS IN abc");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS LIKE '%test%' IN abc");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS LIKE '%test%' IN abc STARTS WITH 'b'");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS LIKE '%test%' IN abc STARTS WITH 'b' LIMIT 10");
+    snowflake().verified_stmt("SHOW TERSE OBJECTS LIKE '%test%' IN abc STARTS WITH 'b' LIMIT 10 FROM 'x'");
+}
+
 #[test]
 fn test_parse_show_tables() {
     snowflake().verified_stmt("SHOW TABLES");