Add ShowObjects statement after rebase(#7)

* Add ShowObjects statement (#2)

* Added ShowObjects statement

* Parsing, next tests

* Small comment

* Tests done according to other SHOW statements

* Removed unnecessary comments

* Fix test in other that object cases. Cargo fmt.

---------

Co-authored-by: DanCodedThis <[email protected]>

Author: Vedin

src/dialect/snowflake.rs

@@ -23,9 +23,10 @@ use crate::ast::helpers::stmt_data_loading::{
     StageLoadSelectItem, StageParamsObject,
 };
 use crate::ast::{
-    ColumnOption, ColumnPolicy, ColumnPolicyProperty, Ident, IdentityParameters, IdentityProperty,
-    IdentityPropertyFormatKind, IdentityPropertyKind, IdentityPropertyOrder, ObjectName,
-    RowAccessPolicy, Statement, TagsColumnOption, WrappedCollection,
+    ColumnOption, ColumnPolicy, ColumnPolicyProperty, Ident,
+    IdentityParameters, IdentityProperty, IdentityPropertyFormatKind, IdentityPropertyKind,
+    IdentityPropertyOrder, ObjectName, RowAccessPolicy, Statement, TagsColumnOption,
+    WrappedCollection,
 };
 use crate::dialect::{Dialect, Precedence};
 use crate::keywords::Keyword;
@@ -187,6 +188,17 @@ 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));
+            } else {
+                return Some(parser.parse_show());
+            }
+        }
+
+
+
         None
     }
 
@@ -264,7 +276,7 @@ impl Dialect for SnowflakeDialect {
     fn is_select_item_alias(&self, explicit: bool, kw: &Keyword, parser: &mut Parser) -> bool {
         explicit
             || match kw {
-            // The following keywords can be considered an alias as long as 
+            // The following keywords can be considered an alias as long as
             // they are not followed by other tokens that may change their meaning
             // e.g. `SELECT * EXCEPT (col1) FROM tbl`
             Keyword::EXCEPT
@@ -286,8 +298,8 @@ impl Dialect for SnowflakeDialect {
                 false
             }
 
-            // Reserved keywords by the Snowflake dialect, which seem to be less strictive 
-            // than what is listed in `keywords::RESERVED_FOR_COLUMN_ALIAS`. The following 
+            // Reserved keywords by the Snowflake dialect, which seem to be less strictive
+            // than what is listed in `keywords::RESERVED_FOR_COLUMN_ALIAS`. The following
             // keywords were tested with the this statement: `SELECT 1 <KW>`.
             Keyword::FROM
             | Keyword::GROUP
@@ -966,7 +978,7 @@ fn parse_session_options(parser: &mut Parser, set: bool) -> Result<Vec<DataLoadi
                     });
                    Ok(())
                 }
-                
+
             },
             _ => parser.expected("another option", parser.peek_token()),
         }?;
@@ -1115,3 +1127,13 @@ 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/parser/mod.rs

@@ -14164,7 +14164,7 @@ impl<'a> Parser<'a> {
         }
         false
     }
-    
+
     pub fn parse_show_stmt_options(&mut self) -> Result<ShowStatementOptions, ParserError> {
         let show_in;
         let mut filter_position = None;

tests/sqlparser_snowflake.rs

@@ -2975,6 +2975,25 @@ 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");