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sql: sql parser for
CREATE FUNCTION
statement
This commit added parser support for `CREATE FUNCTION` sql statement. Scanner was extended so that it can recognize the `BEGIN ATOMIC` context so that it doesnot return early when it sees `;` charater which normally indicates the end of a statement. Release note (sql change): `CREATE FUNCTION` statement now can be parsed by crdb, but an unimplemented error would be thrown since the statement processing is not done yet.
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@@ -1,19 +1 @@ | ||
begin_stmt ::= | ||
'BEGIN' 'TRANSACTION' 'PRIORITY' 'LOW' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'PRIORITY' 'NORMAL' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'PRIORITY' 'HIGH' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'READ' 'ONLY' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'READ' 'WRITE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'DEFERRABLE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' 'NOT' 'DEFERRABLE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'TRANSACTION' | ||
| 'BEGIN' 'PRIORITY' 'LOW' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'PRIORITY' 'NORMAL' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'PRIORITY' 'HIGH' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'READ' 'ONLY' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'READ' 'WRITE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'DEFERRABLE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' 'NOT' 'DEFERRABLE' ( ( ( ',' | ) ( ( 'PRIORITY' ( 'LOW' | 'NORMAL' | 'HIGH' ) ) | ( 'READ' 'ONLY' | 'READ' 'WRITE' ) | ( 'AS' 'OF' 'SYSTEM' 'TIME' a_expr ) | ( 'DEFERRABLE' | 'NOT' 'DEFERRABLE' ) ) ) )* | ||
| 'BEGIN' |
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@@ -1,5 +1,3 @@ | ||
commit_stmt ::= | ||
'COMMIT' 'TRANSACTION' | ||
| 'COMMIT' | ||
| 'END' 'TRANSACTION' | ||
| 'END' |
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|
@@ -7,3 +7,4 @@ create_ddl_stmt ::= | |
| create_type_stmt | ||
| create_view_stmt | ||
| create_sequence_stmt | ||
| create_func_stmt |
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@@ -0,0 +1,2 @@ | ||
create_func_stmt ::= | ||
'CREATE' opt_or_replace 'FUNCTION' func_create_name '(' opt_func_arg_with_default_list ')' 'RETURNS' opt_return_set func_return_type opt_create_func_opt_list opt_routine_body |
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@@ -0,0 +1,2 @@ | ||
legacy_begin_stmt ::= | ||
'BEGIN' opt_transaction begin_transaction |
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@@ -0,0 +1,2 @@ | ||
legacy_end_stmt ::= | ||
'END' opt_transaction |
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@@ -0,0 +1,3 @@ | ||
legacy_transaction_stmt ::= | ||
legacy_begin_stmt | ||
| legacy_end_stmt |
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@@ -0,0 +1,3 @@ | ||
routine_body_stmt ::= | ||
stmt_without_legacy_transaction | ||
| routine_return_stmt |
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@@ -0,0 +1,2 @@ | ||
routine_return_stmt ::= | ||
'RETURN' a_expr |
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@@ -1,23 +1,4 @@ | ||
stmt ::= | ||
'HELPTOKEN' | ||
| preparable_stmt | ||
| analyze_stmt | ||
| copy_from_stmt | ||
| comment_stmt | ||
| execute_stmt | ||
| deallocate_stmt | ||
| discard_stmt | ||
| grant_stmt | ||
| prepare_stmt | ||
| revoke_stmt | ||
| savepoint_stmt | ||
| reassign_owned_by_stmt | ||
| drop_owned_by_stmt | ||
| release_stmt | ||
| refresh_stmt | ||
| nonpreparable_set_stmt | ||
| transaction_stmt | ||
| close_cursor_stmt | ||
| declare_cursor_stmt | ||
| fetch_cursor_stmt | ||
| move_cursor_stmt | ||
| stmt_without_legacy_transaction | ||
| legacy_transaction_stmt |
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