Delete wrong validate_schema_info

Author: Vedin

src/ast/helpers/stmt_create_table.rs

@@ -383,26 +383,6 @@ impl CreateTableBuilder {
         self
     }
 
-    /// Returns true if the statement has exactly one source of info on the schema of the new table.
-    /// This is Snowflake-specific, some dialects allow more than one source.
-    pub(crate) fn validate_schema_info(&self) -> bool {
-        let mut sources = 0;
-        if !self.columns.is_empty() {
-            sources += 1;
-        }
-        if self.query.is_some() {
-            sources += 1;
-        }
-        if self.like.is_some() {
-            sources += 1;
-        }
-        if self.clone.is_some() {
-            sources += 1;
-        }
-
-        sources == 1
-    }
-
     pub fn build(self) -> Statement {
         Statement::CreateTable(CreateTable {
             or_replace: self.or_replace,

src/dialect/snowflake.rs

@@ -690,21 +690,9 @@ pub fn parse_create_table(
                 builder = builder.columns(columns).constraints(constraints);
             }
             Token::EOF => {
-                if !builder.validate_schema_info() {
-                    return Err(ParserError::ParserError(
-                        "unexpected end of input".to_string(),
-                    ));
-                }
-
                 break;
             }
             Token::SemiColon => {
-                if !builder.validate_schema_info() {
-                    return Err(ParserError::ParserError(
-                        "unexpected end of input".to_string(),
-                    ));
-                }
-
                 parser.prev_token();
                 break;
             }

tests/sqlparser_snowflake.rs

@@ -555,23 +555,6 @@ fn test_snowflake_create_table_comment() {
     }
 }
 
-#[test]
-fn test_snowflake_create_table_incomplete_statement() {
-    assert_eq!(
-        snowflake().parse_sql_statements("CREATE TABLE my_table"),
-        Err(ParserError::ParserError(
-            "unexpected end of input".to_string()
-        ))
-    );
-
-    assert_eq!(
-        snowflake().parse_sql_statements("CREATE TABLE my_table; (c int)"),
-        Err(ParserError::ParserError(
-            "unexpected end of input".to_string()
-        ))
-    );
-}
-
 #[test]
 fn test_snowflake_single_line_tokenize() {
     let sql = "CREATE TABLE# this is a comment \ntable_1";
@@ -1046,27 +1029,6 @@ fn test_snowflake_create_table_trailing_options() {
         .unwrap();
 }
 
-#[test]
-fn test_snowflake_create_table_valid_schema_info() {
-    // Validate there's exactly one source of information on the schema of the new table
-    assert_eq!(
-        snowflake()
-            .parse_sql_statements("CREATE TABLE dst")
-            .is_err(),
-        true
-    );
-    assert_eq!(
-        snowflake().parse_sql_statements("CREATE OR REPLACE TEMP TABLE dst LIKE src AS (SELECT * FROM CUSTOMERS) ON COMMIT PRESERVE ROWS").is_err(),
-        true
-    );
-    assert_eq!(
-        snowflake()
-            .parse_sql_statements("CREATE OR REPLACE TEMP TABLE dst CLONE customers LIKE customer2")
-            .is_err(),
-        true
-    );
-}
-
 #[test]
 fn parse_sf_create_or_replace_view_with_comment_missing_equal() {
     assert!(snowflake_and_generic()