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sql: Allow Alter Column to ADD and SET Identity
fixes: #110010 This change adds a new command, 'ALTER TABLE ALTER [COLUMN] <colname> ADD GENERATED { ALWAYS | BY DEFAULT } AS IDENTITY [( <opt_sequence_option_list> )]' and 'ALTER TABLE ALTER [COLUMN] <colname> SET GENERATED { ALWAYS | BY DEFAULT }', which allows a column to become an Identity or change the generation type of the the identity. Release note (sql change): Columns can be changed to an identity column by running one of: - `ALTER TABLE t ALTER COLUMN c ADD GENERATED ALWAYS AS IDENTITY [( <opt_sequence_option_list> )]` - `ALTER TABLE t ALTER COLUMN c ADD GENERATED BY DEFAULT AS IDENTITY[( <opt_sequence_option_list> )]` Identity columns can have their identity type altered by running one of: - `ALTER TABLE t ALTER COLUMN c SET GENERATED ALWAYS` - `ALTER TABLE t ALTER COLUMN c SET GENERATED BY DEFAULT`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| alter_table_cmds ::= | ||
| ( ( 'RENAME' ( 'COLUMN' | ) column_name 'TO' column_new_name | 'RENAME' 'CONSTRAINT' constraint_name 'TO' constraint_new_name | 'ADD' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DEFAULT' a_expr | 'DROP' 'DEFAULT' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'ON' 'UPDATE' a_expr | 'DROP' 'ON' 'UPDATE' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'VISIBLE' | 'SET' 'NOT' 'VISIBLE' ) | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'NOT' 'NULL' | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'STORED' | 'ALTER' ( 'COLUMN' | ) column_name 'SET' 'NOT' 'NULL' | 'DROP' ( 'COLUMN' | ) 'IF' 'EXISTS' column_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' ( 'COLUMN' | ) column_name ( 'CASCADE' | 'RESTRICT' | ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DATA' | ) 'TYPE' typename ( 'COLLATE' collation_name | ) ( 'USING' a_expr | ) | 'ADD' ( 'CONSTRAINT' constraint_name constraint_elem | constraint_elem ) ( 'NOT' 'VALID' | ) | 'ADD' 'CONSTRAINT' 'IF' 'NOT' 'EXISTS' constraint_name constraint_elem ( 'NOT' 'VALID' | ) | 'ALTER' 'PRIMARY' 'KEY' 'USING' 'COLUMNS' '(' index_params ')' ( 'USING' 'HASH' | ) ( 'WITH' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' ) | 'VALIDATE' 'CONSTRAINT' constraint_name | 'DROP' 'CONSTRAINT' 'IF' 'EXISTS' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' 'CONSTRAINT' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'EXPERIMENTAL_AUDIT' 'SET' ( 'READ' 'WRITE' | 'OFF' ) | ( ( 'PARTITION' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'PARTITION' 'ALL' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'SET' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' | 'RESET' '(' ( ( storage_parameter_key ) ( ( ',' storage_parameter_key ) )* ) ')' ) ) ( ( ',' ( 'RENAME' ( 'COLUMN' | ) column_name 'TO' column_new_name | 'RENAME' 'CONSTRAINT' constraint_name 'TO' constraint_new_name | 'ADD' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DEFAULT' a_expr | 'DROP' 'DEFAULT' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'ON' 'UPDATE' a_expr | 'DROP' 'ON' 'UPDATE' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'VISIBLE' | 'SET' 'NOT' 'VISIBLE' ) | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'NOT' 'NULL' | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'STORED' | 'ALTER' ( 'COLUMN' | ) column_name 'SET' 'NOT' 'NULL' | 'DROP' ( 'COLUMN' | ) 'IF' 'EXISTS' column_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' ( 'COLUMN' | ) column_name ( 'CASCADE' | 'RESTRICT' | ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DATA' | ) 'TYPE' typename ( 'COLLATE' collation_name | ) ( 'USING' a_expr | ) | 'ADD' ( 'CONSTRAINT' constraint_name constraint_elem | constraint_elem ) ( 'NOT' 'VALID' | ) | 'ADD' 'CONSTRAINT' 'IF' 'NOT' 'EXISTS' constraint_name constraint_elem ( 'NOT' 'VALID' | ) | 'ALTER' 'PRIMARY' 'KEY' 'USING' 'COLUMNS' '(' index_params ')' ( 'USING' 'HASH' | ) ( 'WITH' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' ) | 'VALIDATE' 'CONSTRAINT' constraint_name | 'DROP' 'CONSTRAINT' 'IF' 'EXISTS' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' 'CONSTRAINT' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'EXPERIMENTAL_AUDIT' 'SET' ( 'READ' 'WRITE' | 'OFF' ) | ( ( 'PARTITION' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'PARTITION' 'ALL' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'SET' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' | 'RESET' '(' ( ( storage_parameter_key ) ( ( ',' storage_parameter_key ) )* ) ')' ) ) )* | ||
| ( ( 'RENAME' ( 'COLUMN' | ) column_name 'TO' column_new_name | 'RENAME' 'CONSTRAINT' constraint_name 'TO' constraint_new_name | 'ADD' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DEFAULT' a_expr | 'DROP' 'DEFAULT' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'ON' 'UPDATE' a_expr | 'DROP' 'ON' 'UPDATE' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'VISIBLE' | 'SET' 'NOT' 'VISIBLE' ) | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'NOT' 'NULL' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_always_as 'IDENTITY' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_by_default_as 'IDENTITY' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_always_as 'IDENTITY' '(' opt_sequence_option_list ')' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_by_default_as 'IDENTITY' '(' opt_sequence_option_list ')' | 'ALTER' ( 'COLUMN' | ) column_name set_generated_always | 'ALTER' ( 'COLUMN' | ) column_name set_generated_default | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'STORED' | 'ALTER' ( 'COLUMN' | ) column_name 'SET' 'NOT' 'NULL' | 'DROP' ( 'COLUMN' | ) 'IF' 'EXISTS' column_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' ( 'COLUMN' | ) column_name ( 'CASCADE' | 'RESTRICT' | ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DATA' | ) 'TYPE' typename ( 'COLLATE' collation_name | ) ( 'USING' a_expr | ) | 'ADD' ( 'CONSTRAINT' constraint_name constraint_elem | constraint_elem ) ( 'NOT' 'VALID' | ) | 'ADD' 'CONSTRAINT' 'IF' 'NOT' 'EXISTS' constraint_name constraint_elem ( 'NOT' 'VALID' | ) | 'ALTER' 'PRIMARY' 'KEY' 'USING' 'COLUMNS' '(' index_params ')' ( 'USING' 'HASH' | ) ( 'WITH' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' ) | 'VALIDATE' 'CONSTRAINT' constraint_name | 'DROP' 'CONSTRAINT' 'IF' 'EXISTS' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' 'CONSTRAINT' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'EXPERIMENTAL_AUDIT' 'SET' ( 'READ' 'WRITE' | 'OFF' ) | ( ( 'PARTITION' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'PARTITION' 'ALL' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'SET' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' | 'RESET' '(' ( ( storage_parameter_key ) ( ( ',' storage_parameter_key ) )* ) ')' ) ) ( ( ',' ( 'RENAME' ( 'COLUMN' | ) column_name 'TO' column_new_name | 'RENAME' 'CONSTRAINT' constraint_name 'TO' constraint_new_name | 'ADD' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ADD' 'COLUMN' 'IF' 'NOT' 'EXISTS' ( column_name typename ( ( ) ( ( col_qualification ) )* ) ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DEFAULT' a_expr | 'DROP' 'DEFAULT' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'ON' 'UPDATE' a_expr | 'DROP' 'ON' 'UPDATE' ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'VISIBLE' | 'SET' 'NOT' 'VISIBLE' ) | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'NOT' 'NULL' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_always_as 'IDENTITY' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_by_default_as 'IDENTITY' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_always_as 'IDENTITY' '(' opt_sequence_option_list ')' | 'ALTER' ( 'COLUMN' | ) column_name 'ADD' generated_by_default_as 'IDENTITY' '(' opt_sequence_option_list ')' | 'ALTER' ( 'COLUMN' | ) column_name set_generated_always | 'ALTER' ( 'COLUMN' | ) column_name set_generated_default | 'ALTER' ( 'COLUMN' | ) column_name 'DROP' 'STORED' | 'ALTER' ( 'COLUMN' | ) column_name 'SET' 'NOT' 'NULL' | 'DROP' ( 'COLUMN' | ) 'IF' 'EXISTS' column_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' ( 'COLUMN' | ) column_name ( 'CASCADE' | 'RESTRICT' | ) | 'ALTER' ( 'COLUMN' | ) column_name ( 'SET' 'DATA' | ) 'TYPE' typename ( 'COLLATE' collation_name | ) ( 'USING' a_expr | ) | 'ADD' ( 'CONSTRAINT' constraint_name constraint_elem | constraint_elem ) ( 'NOT' 'VALID' | ) | 'ADD' 'CONSTRAINT' 'IF' 'NOT' 'EXISTS' constraint_name constraint_elem ( 'NOT' 'VALID' | ) | 'ALTER' 'PRIMARY' 'KEY' 'USING' 'COLUMNS' '(' index_params ')' ( 'USING' 'HASH' | ) ( 'WITH' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' ) | 'VALIDATE' 'CONSTRAINT' constraint_name | 'DROP' 'CONSTRAINT' 'IF' 'EXISTS' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'DROP' 'CONSTRAINT' constraint_name ( 'CASCADE' | 'RESTRICT' | ) | 'EXPERIMENTAL_AUDIT' 'SET' ( 'READ' 'WRITE' | 'OFF' ) | ( ( 'PARTITION' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'PARTITION' 'ALL' 'BY' ( 'LIST' '(' name_list ')' '(' list_partitions ')' | 'RANGE' '(' name_list ')' '(' range_partitions ')' | 'NOTHING' ) ) | 'SET' '(' ( ( ( storage_parameter_key '=' value ) ) ( ( ',' ( storage_parameter_key '=' value ) ) )* ) ')' | 'RESET' '(' ( ( storage_parameter_key ) ( ( ',' storage_parameter_key ) )* ) ')' ) ) )* |
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