[PlSql] Introduce support for annotations_clause

sql/plsql/PlSqlLexer.g4

@@ -81,6 +81,7 @@ ANCESTOR                       : 'ANCESTOR';
 ANCILLARY                      : 'ANCILLARY';
 AND                            : 'AND';
 AND_EQUAL                      : 'AND_EQUAL';
+ANNOTATIONS                    : 'ANNOTATIONS';
 ANOMALY                        : 'ANOMALY';
 ANSI_REARCH                    : 'ANSI_REARCH';
 ANTIJOIN                       : 'ANTIJOIN';

sql/plsql/PlSqlParser.g4

@@ -3453,7 +3453,7 @@ table_properties
         logical_replication_clause? flashback_archive_clause? physical_properties? (ROW ARCHIVAL)? (
         AS select_only_statement
         | FOR EXCHANGE WITH TABLE (schema_name '.')? table_name
-    )?
+    )? annotations_clause?
     ;
 
 read_only_clause
@@ -4914,6 +4914,7 @@ alter_table_properties
     | READ ONLY
     | READ WRITE
     | REKEY CHAR_STRING
+    | annotations_clause
     ;
 
 alter_table_partitioning
@@ -5188,7 +5189,7 @@ modify_column_clauses
     ;
 
 modify_col_properties
-    : column_name datatype? (DEFAULT (ON NULL_)? expression)? (ENCRYPT encryption_spec | DECRYPT)? inline_constraint* lob_storage_clause?
+    : column_name datatype? (DEFAULT (ON NULL_)? expression)? (ENCRYPT encryption_spec | DECRYPT)? inline_constraint* lob_storage_clause? annotations_clause?
     //TODO alter_xmlschema_clause
     ;
 
@@ -5360,7 +5361,7 @@ column_definition
     )? (DEFAULT (ON NULL_)? expression | identity_clause)? (ENCRYPT encryption_spec)? (
         inline_constraint+
         | inline_ref_constraint
-    )?
+    )? annotations_clause?
     ;
 
 column_collation_name
@@ -7005,6 +7006,24 @@ xmlserialize_param_ident_part
     | INDENT (SIZE '=' concatenation)?
     ;
 
+// Annotations
+
+annotations_clause
+    : ANNOTATIONS '(' annotations_list ')'
+    ;
+
+annotations_list
+    : (
+        ADD (IF NOT EXISTS | OR REPLACE)?
+        | DROP (IF EXISTS)?
+        | REPLACE
+    )? annotation (',' annotations_list)*
+    ;
+
+annotation
+    : identifier CHAR_STRING?
+    ;
+
 // SqlPlus
 
 sql_plus_command_no_semicolon

sql/plsql/examples/alter_table.sql

@@ -1,3 +1,15 @@
 ALTER TABLE test1 SPLIT PARTITION p_MAXV
     AT (TO_DATE('01/01/2030', 'DD/MM/YYYY'))
-    INTO (partition p_2029 TABLESPACE users, partition p_MAXV) ONLINE;
+    INTO (partition p_2029 TABLESPACE users, partition p_MAXV) ONLINE;
+
+ALTER TABLE fruit ANNOTATIONS (Visibility 'Everyone');
+
+ALTER TABLE fruit ANNOTATIONS (drop Visibility);
+
+ALTER TABLE fruit ANNOTATIONS (add Visibility 'Everyone');
+
+ALTER TABLE fruit MODIFY (id ANNOTATIONS (Visibility 'Hidden'));
+
+ALTER TABLE fruit MODIFY (id ANNOTATIONS (drop Visibility));
+
+ALTER TABLE fruit MODIFY (id ANNOTATIONS (add Visibility 'Hidden'));    

sql/plsql/examples/create_table.sql

@@ -24,73 +24,10 @@ CREATE TABLE emp_load (first_name CHAR(15), last_name CHAR(20), year_of_birth IN
                             ACCESS PARAMETERS ( FIELDS RTRIM (first_name (1:15) CHAR(15), last_name (*:+20), year_of_birth (36:39), phone (40:52), area_code (*-12: +3), exchange (*+1: +3), extension (*+1: +4)))
                             LOCATION ('info.dat'));
 
-CREATE TABLE emp_load (first_name CHAR(15), last_name CHAR(20), year_of_birth CHAR(4))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY ext_tab_dir
-                            ACCESS PARAMETERS ( FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '(' and ')' LRTRIM )
-                            LOCATION ('info.dat'));
-
-CREATE TABLE xtab (recno varchar2(2000))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY data_dir
-                            ACCESS PARAMETERS ( RECORDS DELIMITED BY NEWLINE
-                                                PREPROCESSOR execdir:'zcat'
-                                                LOGFILE 'deptxt1.log'
-                                                BADFILE 'deptXT.bad'
-                                                FIELDS TERMINATED BY ',' MISSING FIELD VALUES ARE NULL (recno char(2000)))
-                            LOCATION ('foo.dat.gz')) REJECT LIMIT UNLIMITED;
-
-CREATE TABLE deptxt1 ( deptno number(2), dname varchar2(14), loc varchar2(13))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY dpump_dir
-                            ACCESS PARAMETERS ( EXTERNAL VARIABLE DATA
-                                               LOGFILE 'deptxt1.log'
-                                               READSIZE=10000
-                                               PREPROCESSOR execdir:'uncompress.sh' )
-                            LOCATION ('deptxt1.dmp')) REJECT LIMIT UNLIMITED;
-
-CREATE TABLE "T_XT" ("C0" VARCHAR2(2000))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY DMPDIR
-                            ACCESS PARAMETERS ( RECORDS XMLTAG ("home address", "work address", "home phone")
-                                                READSIZE 1024
-                                                SKIP 0
-                                                FIELDS NOTRIM MISSING FIELD VALUES ARE NULL)
-                            LOCATION ('t.dat')) REJECT LIMIT UNLIMITED;
-
-CREATE TABLE emp_load (first_name CHAR(15), last_name CHAR(20), year_of_birth CHAR(4))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY ext_tab_dir
-                            ACCESS PARAMETERS ( RECORDS DELIMITED BY '|' FIELDS TERMINATED BY ','
-                                              ( first_name CHAR(7), last_name CHAR(8), year_of_birth CHAR(4)))
-                            LOCATION ('info.dat'));
-
-CREATE TABLE emp_load (first_name CHAR(15), last_name CHAR(20), year_of_birth CHAR(4))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_LOADER DEFAULT DIRECTORY ext_tab_dir
-                            ACCESS PARAMETERS (RECORDS FIXED 20 FIELDS (first_name CHAR(7), last_name CHAR(8), year_of_birth CHAR(4)))
-                            LOCATION ('info.dat'));
-
-CREATE TABLE CUSTOMER_TABLE (cust_num VARCHAR2(10), order_num VARCHAR2(20), order_date DATE, item_cnt NUMBER, description VARCHAR2(100), order_total NUMBER(8,2))
-    ORGANIZATION EXTERNAL ( TYPE ORACLE_HIVE
-                            ACCESS PARAMETERS (
-                                com.oracle.bigdata.tableName:  order_db.order_summary
-                                com.oracle.bigdata.colMap:     {"col":"ITEM_CNT", "field":"order_line_item_count"}
-                                com.oracle.bigdata.overflow:   {"action":"ERROR", "col":"DESCRIPTION"}
-                                com.oracle.bigdata.errorOpt:   [{"action":"replace", "value":"INV_NUM" , "col":["CUST_NUM","ORDER_NUM"]} , {"action":"reject", "col":"ORDER_TOTAL"}]
-                          ));
+CREATE TABLE fruit (
+    id NUMERIC(9,0) PRIMARY KEY ANNOTATIONS (Visibility 'Everyone'));
 
-CREATE TABLE "MASTERBILL"."ET$03D5D0AD0001" ("USER#", "NAME")
-    ORGANIZATION EXTERNAL (
-        TYPE ORACLE_DATAPUMP
-        DEFAULT DIRECTORY "DBEXPORT"
-        ACCESS PARAMETERS (
-            DEBUG = (0 , 0)
-            DATAPUMP INTERNAL TABLE "SYS"."KU$_USER_MAPPING_VIEW"
-            TEMPLATE_TABLE "KU$_USER_MAPPING_VIEW_TBL"
-            JOB ( "MASTERBILL","SYS_EXPORT_FULL_01",2)
-            WORKERID 1
-            PARALLEL 1
-            VERSION '19.3.0.0.0'
-            ENCRYPTPASSWORDISNULL
-            COMPRESSION DISABLED
-            ENCRYPTION DISABLED )
-        LOCATION ('bogus.dat')
-    )
-    PARALLEL 1
-    REJECT LIMIT UNLIMITED
-    AS SELECT X FROM "SYS"."KU$_USER_MAPPING_VIEW" KU$;
+CREATE TABLE fruit (
+    id NUMERIC(9,0) PRIMARY KEY,
+    data varchar2(50))
+    ANNOTATIONS (Visibility 'Everyone');