/usr/lib/mysql-workbench/modules/sql_reformatter.py is in mysql-workbench 5.2.40+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import sys
import grt
import copy
INDENTATION = " "
IDENT_CHARS = string.ascii_letters + string.digits + "_"
KEYWORD_TOKENS = set( ['ACCESSIBLE_SYM', 'ACTION', 'ADD', 'ADDDATE_SYM', 'AFTER_SYM', 'AGAINST', 'AGGREGATE_SYM', 'ALGORITHM_SYM', 'ALL', 'ALTER', 'ANALYZE_SYM', 'AND_AND_SYM', 'AND_SYM', 'ANY_SYM', 'AS', 'ASC', 'ASCII_SYM', 'AT_SYM', 'AUTHORS_SYM', 'AUTOEXTEND_SIZE_SYM', 'AUTO_INC', 'AVG_ROW_LENGTH', 'AVG_SYM', 'BACKUP_SYM', 'BEFORE_SYM', 'BEGIN_SYM', 'BETWEEN_SYM', 'BIGINT', 'BINARY', 'BINLOG_SYM', 'BIN_NUM', 'BIT_AND', 'BIT_OR', 'BIT_SYM', 'BIT_XOR', 'BLOB_SYM', 'BLOCK_SYM', 'BOOLEAN_SYM', 'BOOL_SYM', 'BOTH', 'BTREE_SYM', 'BY', 'BYTE_SYM', 'CACHE_SYM', 'CALL_SYM', 'CASCADE', 'CASCADED', 'CASE_SYM', 'CAST_SYM', 'CATALOG_NAME_SYM', 'CHAIN_SYM', 'CHANGE', 'CHANGED', 'CHARSET', 'CHAR_SYM', 'CHECKSUM_SYM', 'CHECK_SYM', 'CIPHER_SYM', 'CLASS_ORIGIN_SYM', 'CLIENT_SYM', 'CLOSE_SYM', 'COALESCE', 'CODE_SYM', 'COLLATE_SYM', 'COLLATION_SYM', 'COLUMNS', 'COLUMN_NAME_SYM', 'COLUMN_SYM', 'COMMENT_SYM', 'COMMITTED_SYM', 'COMMIT_SYM', 'COMPACT_SYM', 'COMPLETION_SYM', 'COMPRESSED_SYM', 'CONCURRENT', 'CONDITION_SYM', 'CONNECTION_SYM', 'CONSISTENT_SYM', 'CONSTRAINT', 'CONSTRAINT_CATALOG_SYM', 'CONSTRAINT_NAME_SYM', 'CONSTRAINT_SCHEMA_SYM', 'CONTAINS_SYM', 'CONTEXT_SYM', 'CONTINUE_SYM', 'CONTRIBUTORS_SYM', 'CONVERT_SYM', 'COUNT_SYM', 'CPU_SYM', 'CREATE', 'CROSS', 'CUBE_SYM', 'CURDATE', 'CURRENT_USER', 'CURSOR_NAME_SYM', 'CURSOR_SYM', 'CURTIME', 'DATABASE', 'DATABASES', 'DATAFILE_SYM', 'DATA_SYM', 'DATETIME', 'DATE_ADD_INTERVAL', 'DATE_SUB_INTERVAL', 'DATE_SYM', 'DAY_HOUR_SYM', 'DAY_MICROSECOND_SYM', 'DAY_MINUTE_SYM', 'DAY_SECOND_SYM', 'DAY_SYM', 'DEALLOCATE_SYM', 'DECIMAL_NUM', 'DECIMAL_SYM', 'DECLARE_SYM', 'DEFAULT', 'DEFINER_SYM', 'DELAYED_SYM', 'DELAY_KEY_WRITE_SYM', 'DELETE_SYM', 'DESC', 'DESCRIBE', 'DES_KEY_FILE', 'DETERMINISTIC_SYM', 'DIRECTORY_SYM', 'DISABLE_SYM', 'DISCARD', 'DISK_SYM', 'DISTINCT', 'DIV_SYM', 'DOUBLE_SYM', 'DO_SYM', 'DROP', 'DUAL_SYM', 'DUMPFILE', 'DUPLICATE_SYM', 'DYNAMIC_SYM', 'EACH_SYM', 'EDIT_SYM', 'ELSE', 'ELSEIF_SYM', 'ENABLE_SYM', 'ENCLOSED', 'END', 'ENDS_SYM', 'END_OF_INPUT', 'ENGINES_SYM', 'ENGINE_SYM', 'ENUM', 'EQ', 'EQUAL_SYM', 'ERRORS', 'ERROR_SYM', 'ESCAPED', 'ESCAPE_SYM', 'EVENTS_SYM', 'EVENT_SYM', 'EVERY_SYM', 'EXECUTE_SYM', 'EXISTS', 'EXIT_SYM', 'EXPANSION_SYM', 'EXTENDED_SYM', 'EXTENT_SIZE_SYM', 'EXTRACT_SYM', 'FALSE_SYM', 'FAST_SYM', 'FAULTS_SYM', 'FETCH_SYM', 'FILE_SYM', 'FIRST_SYM', 'FIXED_SYM', 'FLOAT_NUM', 'FLOAT_SYM', 'FLUSH_SYM', 'FORCE_SYM', 'FOREIGN', 'FOR_SYM', 'FOUND_SYM', 'FROM', 'FULL', 'FULLTEXT_SYM', 'FUNCTION_SYM', 'GE', 'GENERAL', 'GEOMETRYCOLLECTION', 'GEOMETRY_SYM', 'GET_FORMAT', 'GLOBAL_SYM', 'GRANT', 'GRANTS', 'GROUP_CONCAT_SYM', 'GROUP_SYM', 'GT_SYM', 'HANDLER_SYM', 'HASH_SYM', 'HAVING', 'HELP_SYM', 'HEX_NUM', 'HIGH_PRIORITY', 'HOSTS_SYM', 'HOST_SYM', 'HOUR_MICROSECOND_SYM', 'HOUR_MINUTE_SYM', 'HOUR_SECOND_SYM', 'HOUR_SYM', 'IDENT', 'IDENTIFIED_SYM', 'IDENT_QUOTED', 'IF', 'IGNORE_SERVER_IDS_SYM', 'IGNORE_SYM', 'IMPORT', 'INDEXES', 'INDEX_SYM', 'INFILE', 'INITIAL_SIZE_SYM', 'INNER_SYM', 'INOUT_SYM', 'INSERT', 'INSERT_METHOD', 'INSTALL_SYM', 'INTERVAL_SYM', 'INTO', 'INT_SYM', 'INVOKER_SYM', 'IN_SYM', 'IO_SYM', 'IPC_SYM', 'IS', 'ISOLATION', 'ISSUER_SYM', 'ITERATE_SYM', 'JOIN_SYM', 'KEYS', 'KEY_BLOCK_SIZE', 'KEY_SYM', 'KILL_SYM', 'LANGUAGE_SYM', 'LAST_SYM', 'LE', 'LEADING', 'LEAVES', 'LEAVE_SYM', 'LEFT', 'LESS_SYM', 'LEVEL_SYM', 'LEX_HOSTNAME', 'LIKE', 'LIMIT', 'LINEAR_SYM', 'LINES', 'LINESTRING', 'LIST_SYM', 'LOAD', 'LOCAL_SYM', 'LOCKS_SYM', 'LOCK_SYM', 'LOGFILE_SYM', 'LOGS_SYM', 'LONGBLOB', 'LONGTEXT', 'LONG_NUM', 'LONG_SYM', 'LOOP_SYM', 'LOW_PRIORITY', 'LT', 'MASTER_CONNECT_RETRY_SYM', 'MASTER_HEARTBEAT_PERIOD_SYM', 'MASTER_HOST_SYM', 'MASTER_LOG_FILE_SYM', 'MASTER_LOG_POS_SYM', 'MASTER_PASSWORD_SYM', 'MASTER_PORT_SYM', 'MASTER_SERVER_ID_SYM', 'MASTER_SSL_CAPATH_SYM', 'MASTER_SSL_CA_SYM', 'MASTER_SSL_CERT_SYM', 'MASTER_SSL_CIPHER_SYM', 'MASTER_SSL_KEY_SYM', 'MASTER_SSL_SYM', 'MASTER_SSL_VERIFY_SERVER_CERT_SYM', 'MASTER_SYM', 'MASTER_USER_SYM', 'MATCH', 'MAX_CONNECTIONS_PER_HOUR', 'MAX_QUERIES_PER_HOUR', 'MAX_ROWS', 'MAX_SIZE_SYM', 'MAX_SYM', 'MAX_UPDATES_PER_HOUR', 'MAX_USER_CONNECTIONS_SYM', 'MAX_VALUE_SYM', 'MEDIUMBLOB', 'MEDIUMINT', 'MEDIUMTEXT', 'MEDIUM_SYM', 'MEMORY_SYM', 'MERGE_SYM', 'MESSAGE_TEXT_SYM', 'MICROSECOND_SYM', 'MIGRATE_SYM', 'MINUTE_MICROSECOND_SYM', 'MINUTE_SECOND_SYM', 'MINUTE_SYM', 'MIN_ROWS', 'MIN_SYM', 'MODE_SYM', 'MODIFIES_SYM', 'MODIFY_SYM', 'MOD_SYM', 'MONTH_SYM', 'MULTILINESTRING', 'MULTIPOINT', 'MULTIPOLYGON', 'MUTEX_SYM', 'MYSQL_ERRNO_SYM', 'NAMES_SYM', 'NAME_SYM', 'NATIONAL_SYM', 'NATURAL', 'NCHAR_STRING', 'NCHAR_SYM', 'NDBCLUSTER_SYM', 'NE', 'NEG', 'NEW_SYM', 'NEXT_SYM', 'NODEGROUP_SYM', 'NONE_SYM', 'NOT2_SYM', 'NOT_SYM', 'NOW_SYM', 'NO_SYM', 'NO_WAIT_SYM', 'NO_WRITE_TO_BINLOG', 'NULL_SYM', 'NUM', 'NUMERIC_SYM', 'NVARCHAR_SYM', 'OFFSET_SYM', 'OLD_PASSWORD', 'ON', 'ONE_SHOT_SYM', 'ONE_SYM', 'OPEN_SYM', 'OPTIMIZE', 'OPTION', 'OPTIONALLY', 'OPTIONS_SYM', 'OR2_SYM', 'ORDER_SYM', 'OR_OR_SYM', 'OR_SYM', 'OUTER', 'OUTFILE', 'OUT_SYM', 'OWNER_SYM', 'PACK_KEYS_SYM', 'PAGE_SYM', 'PARAM_MARKER', 'PARSER_SYM', 'PARTIAL', 'PARTITIONING_SYM', 'PARTITIONS_SYM', 'PARTITION_SYM', 'PASSWORD', 'PHASE_SYM', 'PLUGINS_SYM', 'PLUGIN_SYM', 'POINT_SYM', 'POLYGON', 'PORT_SYM', 'POSITION_SYM', 'PRECISION', 'PREPARE_SYM', 'PRESERVE_SYM', 'PREV_SYM', 'PRIMARY_SYM', 'PRIVILEGES', 'PROCEDURE_SYM', 'PROCESS', 'PROCESSLIST_SYM', 'PROFILES_SYM', 'PROFILE_SYM', 'PURGE', 'QUARTER_SYM', 'QUERY_SYM', 'QUICK', 'RANGE_SYM', 'READS_SYM', 'READ_ONLY_SYM', 'READ_SYM', 'READ_WRITE_SYM', 'REAL', 'REBUILD_SYM', 'RECOVER_SYM', 'REDOFILE_SYM', 'REDO_BUFFER_SIZE_SYM', 'REDUNDANT_SYM', 'REFERENCES', 'REGEXP', 'RELAY', 'RELAYLOG_SYM', 'RELAY_LOG_FILE_SYM', 'RELAY_LOG_POS_SYM', 'RELAY_THREAD', 'RELEASE_SYM', 'RELOAD', 'REMOVE_SYM', 'RENAME', 'REORGANIZE_SYM', 'REPAIR', 'REPEATABLE_SYM', 'REPEAT_SYM', 'REPLACE', 'REPLICATION', 'REQUIRE_SYM', 'RESET_SYM', 'RESIGNAL_SYM', 'RESOURCES', 'RESTORE_SYM', 'RESTRICT', 'RESUME_SYM', 'RETURNS_SYM', 'RETURN_SYM', 'REVOKE', 'RIGHT', 'ROLLBACK_SYM', 'ROLLUP_SYM', 'ROUTINE_SYM', 'ROWS_SYM', 'ROW_FORMAT_SYM', 'ROW_SYM', 'RTREE_SYM', 'SAVEPOINT_SYM', 'SCHEDULE_SYM', 'SCHEMA_NAME_SYM', 'SECOND_MICROSECOND_SYM', 'SECOND_SYM', 'SECURITY_SYM', 'SELECT_SYM', 'SEPARATOR_SYM', 'SERIALIZABLE_SYM', 'SERIAL_SYM', 'SERVER_SYM', 'SESSION_SYM', 'SET', 'SET_VAR', 'SHARE_SYM', 'SHIFT_LEFT', 'SHIFT_RIGHT', 'SHOW', 'SHUTDOWN', 'SIGNAL_SYM', 'SIGNED_SYM', 'SIMPLE_SYM', 'SLAVE', 'SLOW', 'SMALLINT', 'SNAPSHOT_SYM', 'SOCKET_SYM', 'SONAME_SYM', 'SOUNDS_SYM', 'SOURCE_SYM', 'SPATIAL_SYM', 'SQLEXCEPTION_SYM', 'SQLSTATE_SYM', 'SQLWARNING_SYM', 'SQL_BIG_RESULT', 'SQL_BUFFER_RESULT', 'SQL_CACHE_SYM', 'SQL_CALC_FOUND_ROWS', 'SQL_NO_CACHE_SYM', 'SQL_SMALL_RESULT', 'SQL_SYM', 'SQL_THREAD', 'SSL_SYM', 'STARTING', 'STARTS_SYM', 'START_SYM', 'STATUS_SYM', 'STDDEV_SAMP_SYM', 'STD_SYM', 'STOP_SYM', 'STORAGE_SYM', 'STRAIGHT_JOIN', 'STRING_SYM', 'SUBCLASS_ORIGIN_SYM', 'SUBDATE_SYM', 'SUBJECT_SYM', 'SUBPARTITIONS_SYM', 'SUBPARTITION_SYM', 'SUBSTRING', 'SUM_SYM', 'SUPER_SYM', 'SUSPEND_SYM', 'SWAPS_SYM', 'SWITCHES_SYM', 'SYSDATE', 'TABLES', 'TABLESPACE', 'TABLE_CHECKSUM_SYM', 'TABLE_NAME_SYM', 'TABLE_REF_PRIORITY', 'TABLE_SYM', 'TEMPORARY', 'TEMPTABLE_SYM', 'TERMINATED', 'TEXT_STRING', 'TEXT_SYM', 'THAN_SYM', 'THEN_SYM', 'TIMESTAMP', 'TIMESTAMP_ADD', 'TIMESTAMP_DIFF', 'TIME_SYM', 'TINYBLOB', 'TINYINT', 'TINYTEXT', 'TO_SYM', 'TRAILING', 'TRANSACTION_SYM', 'TRIGGERS_SYM', 'TRIGGER_SYM', 'TRIM', 'TRUE_SYM', 'TRUNCATE_SYM', 'TYPES_SYM', 'TYPE_SYM', 'UDF_RETURNS_SYM', 'ULONGLONG_NUM', 'UNCOMMITTED_SYM', 'UNDEFINED_SYM', 'UNDERSCORE_CHARSET', 'UNDOFILE_SYM', 'UNDO_BUFFER_SIZE_SYM', 'UNICODE_SYM', 'UNINSTALL_SYM', 'UNION_SYM', 'UNIQUE_SYM', 'UNKNOWN_SYM', 'UNLOCK_SYM', 'UNSIGNED', 'UNTIL_SYM', 'UPDATE_SYM', 'UPGRADE_SYM', 'USAGE', 'USER', 'USE_FRM', 'USE_SYM', 'USING', 'UTC_DATE_SYM', 'UTC_TIMESTAMP_SYM', 'UTC_TIME_SYM', 'VALUES', 'VALUE_SYM', 'VARBINARY', 'VARCHAR', 'VARIABLES', 'VARIANCE_SYM', 'VARYING', 'VAR_SAMP_SYM', 'VIEW_SYM', 'WAIT_SYM', 'WARNINGS', 'WEEK_SYM', 'WHEN_SYM', 'WHERE', 'WHILE_SYM', 'WITH', 'WITH_CUBE_SYM', 'WITH_ROLLUP_SYM', 'WORK_SYM', 'WRAPPER_SYM', 'WRITE_SYM', 'X509_SYM', 'XA_SYM', 'XML_SYM', 'XOR', 'YEAR_MONTH_SYM', 'YEAR_SYM', 'ZEROFILL'] )
KEYWORD_ONLY_NODES = set( ['sp_opt_fetch_noise', 'insert_lock_option', 'opt_var_ident_type', 'trg_event', 'opt_ignore', 'opt_ev_status', 'remember_end', 'opt_ignore_leaves', 'param_marker', 'opt_wild', 'show_engine_param', 'profile_def', 'opt_distinct', 'view_algorithm', 'IDENT_sys', 'opt_query_expansion', 'TEXT_STRING_sys', 'text_or_password', 'interval_time_stamp', 'opt_natural_language_mode', 'udf_type', 'fulltext', 'opt_one_phase', 'spatial_type', 'opt_chain', 'nvarchar', 'opt_match_clause', 'ev_on_completion', 'ascii', 'opt_local', 'charset', 'view_suid', 'keys_or_index', 'olap_opt', 'opt_with_read_lock', 'no_definer', 'union_option', 'opt_outer', 'opt_default', 'view_check_option', 'opt_full', 'not', 'ts_access_mode', 'opt_migrate', 'btree_or_rtree', 'opt_temporary', 'opt_no_write_to_binlog', 'sp_suid', 'reset_option', 'describe_command', 'NUM_literal', 'slave_thread_opt', 'option_type2', 'opt_join_or_resume', 'delete_option', 'handler_scan_function', 'keyword_sp', 'and', 'remember_name', 'opt_bin_mod', 'opt_checksum_type', 'opt_all', 'query_expression_option', 'require_list_element', 'not2', 'data_or_xml', 'lines_or_rows', 'part_value_item', 'comp_op', 'init_key_options', 'opt_privileges', 'opt_table_sym', 'subselect_end', 'have_partitioning', 'table_or_tables', 'opt_storage', 'row_types', 'table_alias', 'opt_as', 'get_select_lex', 'opt_var_type', 'normal_join', 'opt_linear', 'TEXT_STRING_literal', 'opt_primary', 'equal', 'nchar', 'dec_num', 'master_or_binary', 'real_type', 'field_length', 'mi_check_type', 'ulonglong_num', 'opt_and', 'trg_action_time', 'precision', 'load_data_lock', 'TEXT_STRING_filesystem', 'isolation_types', 'opt_release', 'sp_init_param', 'signal_condition_information_item_name', 'opt_table', 'select_derived_init', 'opt_extended_describe', 'from_or_in', 'ts_wait', 'unicode', 'opt_work', 'merge_insert_types', 'opt_profile_args', 'sp_handler_type', 'opt_unique', 'mi_repair_type', 'select_lock_type', 'opt_column', 'deallocate_or_drop', 'int_type', 'table_option', 'start_transaction_opts', 'if_exists', 'all_or_any', 'clear_privileges', 'date_time_type', 'or', 'order_dir', 'opt_option', 'field_option', 'opt_savepoint', 'lock_option', 'ulong_num', 'opt_low_priority', 'optional_braces', 'flush_option', 'index_hint_clause', 'remove_partitioning', 'opt_delete_option', 'view_replace', 'key_or_index', 'subselect_start', 'opt_to', 'char', 'index_hint_type', 'spatial', 'opt_value', 'opt_duplicate', 'sp_opt_inout', 'kill_option', 'opt_restrict', 'begin_or_start', 'handler_rkey_mode', 'opt_end_of_input'] )
def dump_tree(f, ast, depth=0):
sym, value, children = ast[0], ast[1], ast[2]
if children:
f.write("%s<%s, %s>\n" % (" "*depth, sym, value))
for c in children:
dump_tree(f, c, depth+2)
f.write("%s</%s, %s>\n" % (" "*depth, sym, value))
else:
f.write("%s<%s, %s/>\n" % (" "*depth, sym, value))
class ASTHelper:
def __init__(self, text):
self.max_range = len(text)
def get_ast_range(self, ast):
offset = ast[3]
b = ast[4]+offset if ast[4] is not None else self.max_range
e = ast[5]+offset if ast[5] is not None else 0
for c in ast[2]:
b_, e_ = self.get_ast_range(c)
b = min(b_, b)
e = max(e_, e)
return b, e
def trim_ast(node):
s = node[0]
v = node[1]
c = node[2]
l = []
for i in c:
l.append(trim_ast(i))
return (s, v, l)
def indent(text, count=1):
return INDENTATION*count + ("\n"+(INDENTATION*count)).join(text.split("\n"))
def indent_head(text, count=1):
return INDENTATION*count + text
def indent_tail(text, count=1):
return ("\n"+(INDENTATION*count)).join(text.split("\n"))
def flatten_node_spaced(node):
return (" ".join([node_value(ch) for ch in node_children(node) if node_value(ch)]))
def flatten_node_unspaced(node):
return ("".join([node_value(ch) for ch in node_children(node) if node_value(ch)]))
def flatten_node(node):
def flattenificate(node, pnode, out):
ps, pn, pc = pnode
s, n, c = node
if n is not None:
if s in KEYWORD_TOKENS or s in KEYWORD_ONLY_NODES:
# space keywords, unless they follow a keyword with (
if pn and pn[-1] == "(":
out.append(n)
else:
if ps in KEYWORD_TOKENS or ps in KEYWORD_ONLY_NODES or not out:
out.append(n+" ")
else:
out.append(" "+n+" ")
else:
if out and out[-1] and out[-1][-1] not in " \n\t(" and n != ")":
out.append(" "+n)
else:
out.append(n)
#out.append(n)
p = None, None, None
for i in c:
flattenificate(i, p, out)
p = i
l = []
flattenificate(node, (None, None, None), l)
# if last item ends in space, then strip it
if l and l[-1] and l[-1][-1] == " ":
l[-1] = l[-1][:-1]
return "".join(l)
def find_child_node(node, symbol):
if node:
s, n, c = node[0], node[1], node[2]
if s == symbol:
return node
for child in c:
found = find_child_node(child, symbol)
if found:
return found
return None
def find_child_nodes(node, symbol):
matches = []
if node:
s, n, c = node[0], node[1], node[2]
if s == symbol:
matches.append(node)
for child in c:
matches += find_child_nodes(child, symbol)
return matches
def node_symbol(node):
return node[0]
def node_value(node):
return node[1]
def node_children(node):
return node[2]
def node_direct_child(node, i):
if i >= len(node[2]):
return None
return node[2][i]
def node_direct_child_named(node, name):
for ch in node[2]:
if node_symbol(ch) == name:
return ch
return None
def flatten_comma_sep_node(node, sep = "", newline_on_comma=False):
def flatten(expr_node, out):
s, n, c = expr_node
if n:
if n == ",":
if newline_on_comma:
out.append(",\n")
else:
out.append(", ")
else:
if out and out[-1] and out[-1][-1] not in " \n\t(" and n != ")":
out.append(" "+n)
else:
out.append(n)
for i in c:
flatten(i, out)
out = []
flatten(node, out)
return sep.join(out)
def flatten_comma_sep_node_multiline(node):
text = ""
after_nl = False
for ch in node_children(node):
v = node_value(ch)
if v == ",":
text += ",\n"
after_nl = True
else:
if after_nl:
text += indent(flatten_node(ch))
else:
text += indent_tail(flatten_node(ch))
after_nl = False
return text
#######################################################################################
class SQLPrettifier:
opt_func_arg_per_line = False
opt_expr_length_per_line = 40
opt_max_subselect_length = 40
opt_max_select_item_list_length = 60
opt_always_break_select_parts = False
opt_always_break_select_items = False
opt_always_quote_identifiers = False
def __init__(self, ast):
self.ast = ast
self.parent = []
#dump_tree(sys.stdout, ast)
def run(self):
return self.traverse(self.ast, [], [])[1].rstrip()
def traverse(self, ast, siblings, path):
symbol, value, children = ast
new_symbol = symbol
new_value = value
new_children = []
# traverse the AST depth-first and build up the formatted expression bottom up
for i, node in enumerate(children):
processed_node = self.traverse(node, children[i+1:], path + [symbol])
if processed_node:
new_children.append(processed_node)
self.current_path = path
handler = getattr(self, "sym_"+symbol, None)
if handler:
new_value = handler((new_symbol, new_value, new_children))
else:
new_value = None
if new_value is None:
new_value = self.default_handler((new_symbol, value, new_children))
new_children = []
return new_symbol, new_value, new_children
def default_handler(self, node):
return flatten_node(node)
## Generic stuff
def sym_TEXT_STRING(self, node):
v = node_value(node)
if v is None:
v = ""
return "'%s'" % v.replace("'", r"\'")
sym_text_string = sym_TEXT_STRING
sym_TEXT_STRING_filesystem = sym_TEXT_STRING
sym_TEXT_STRING_literal = sym_TEXT_STRING
sym_TEXT_STRING_sys = sym_TEXT_STRING
def sym_ident(self, node):
ident = node_value(node)
if any(c not in IDENT_CHARS for c in ident) or self.opt_always_quote_identifiers:
return "`%s`" % ident
else:
return ident
def sym_simple_ident_q(self, node):
return flatten_node_unspaced(node)
def sym_table_ident(self, node):
return flatten_node_unspaced(node)
def sym_variable(self, node):
return flatten_node_unspaced(node)
def sym_variable_aux(self, node):
return flatten_node_unspaced(node)
### SELECT ###
def sym_select_init(self, node):
select = node_direct_child(node, 0)
if node_symbol(select) == "SELECT_SYM":
rest = flatten_node((node[0], node[1], node[2][1:]))
return node_value(select)+" "+rest
def sym_select_init2(self, node):
return flatten_node(node)
def sym_union_clause(self, node):
return "\n"+self.default_handler(node)
def sym_select_option_list(self, node):
return flatten_node_spaced(node)
def sym_select_part2(self, node):
# select_options select_item_list select_into select_lock_type
select_options = node_direct_child_named(node, "select_options")
select_item_list = node_direct_child_named(node, "select_item_list")
select_into = node_direct_child_named(node, "select_into")
select_lock_type = node_direct_child_named(node, "select_lock_type")
flat = flatten_node_spaced(node)
if "\n" not in flat:
return flat
if select_options:
text = node_value(select_options)
else:
text = ""
if select_item_list:
text += "\n"+indent_head(node_value(select_item_list))
if select_into:
text += "\n"+node_value(select_into)
if select_lock_type:
text += "\n"+node_value(select_lock_type)
return text
def sym_subselect(self, node):
return indent_tail(self.default_handler(node))
def sym_select_part2_derived(self, node): # in subselects
# opt_query_expression_options select_item_list opt_select_from select_lock_type
select_options = node_direct_child_named(node, "opt_query_expression_options")
select_item_list = node_direct_child_named(node, "select_item_list")
select_from = node_direct_child_named(node, "opt_select_from")
select_lock_type = node_direct_child_named(node, "select_lock_type")
flat = flatten_node_spaced(node)
if "\n" not in flat:
return flat
if select_options:
text = node_value(select_options)
else:
text = ""
if select_item_list:
text += "\n"+indent(node_value(select_item_list))
if select_from:
text += "\n"+node_value(select_from)
if select_lock_type:
text += "\n"+node_value(select_lock_type)
return text
sym_select_derived2 = sym_select_part2_derived
def sym_select_item(self, node):
return flatten_node_spaced(node)
def sym_select_item_list(self, node):
flat = flatten_comma_sep_node(node)
one_item_per_line = self.opt_always_break_select_items
if not one_item_per_line:
# if the list of select items is too wide or has newlines in it, we put one item per line
if "\n" in flat or len(flat) > self.opt_max_select_item_list_length:
one_item_per_line = True
if one_item_per_line:
flat = flatten_comma_sep_node_multiline(node)
return flat
def sym_select_from(self, node):
children = node_children(node)
if children and node_symbol(children[1]) != "DUAL_SYM":
from_kwd = node_value(children[0])
join_table_list = children[1]
text = from_kwd+"\n"+INDENTATION+node_value(join_table_list)+"\n"
for ch in children[2:]:
text += node_value(ch)+"\n"
text = text.rstrip("\n")
return text
def sym_join_table(self, node):
text = node_value(node_direct_child(node, 0))
children = node_children(node)[1:]
join_type = []
for i in range(len(children)):
sym = node_symbol(children[i])
if sym in ["normal_join", "STRAIGHT_JOIN", "STRAIGHT_JOIN", "NATURAL", "JOIN_SYM", "opt_outer", "LEFT", "RIGHT"]:
join_type.append(node_value(children[i]))
else:
break
join_type = " ".join(join_type)
if "select_derived_union" not in self.current_path: # try to generate more compact output for nested joins
text += "\n"+indent(join_type)+"\n"
else:
text += "\n"+join_type+" "
text += node_value(node_direct_child(node, i+1))
on = node_direct_child_named(node, "ON")
using = node_direct_child_named(node, "USING")
if on:
expr = node_value(node_direct_child_named(node, "expr"))
text += " ON %s" % expr
elif using:
using_list = node_value(node_direct_child_named(node, "using_list"))
text += " USING (%s)" % using_list
return text
def sym_normal_join(self, node):
return flatten_node_spaced(node)
def sym_table_factor(self, node):
if node_value(node_direct_child(node, 0)) == "(":
text = "(%s)"%(node_value(node_direct_child_named(node, "select_derived_union")))
alias = node_direct_child_named(node, "opt_table_alias")
if alias:
text += " "+node_value(alias)
return text
elif node_symbol(node_direct_child(node, 0)) == "table_ident" and len(node_children(node)) == 2:
text = node_value(node_direct_child(node, 0)) + " " + node_value(node_direct_child(node, 1))
return text
def sym_derived_table_list(self, node):
if "select_derived_union" not in self.current_path:
return flatten_comma_sep_node_multiline(node)
else:
return flatten_comma_sep_node(node)
def sym_where_clause(self, node):
children = node_children(node)
return node_value(children[0]) + "\n" + indent(node_value(children[1]))
##
def sym_udf_expr_list(self, node):
flattened = flatten_comma_sep_node(node)
if "select_derived_union" not in self.current_path: # try to generate more compact output for nested joins
try:
if self.opt_func_arg_per_line or len(flattened) > self.opt_expr_length_per_line or "\n" in flattened:
flattened = flatten_comma_sep_node_multiline(node)
except Exception, exc:
print "Error formatting: %s"%exc
print node
return flattened
sym_expr_list = sym_udf_expr_list
def sym_function_call_generic(self, node):
children = node_children(node)
head = children[0]
del children[0]
flattened = node_value(head)
flattened += flatten_comma_sep_node(node)
if "select_derived_union" not in self.current_path: # try to generate more compact output for nested joins
try:
if self.opt_func_arg_per_line or len(flattened) > self.opt_expr_length_per_line or "\n" in flattened:
#flattened = flatten_comma_sep_node_multiline(node)
tmp = node_value(head)
tmp += indent_tail(flatten_comma_sep_node(node, newline_on_comma=True))
flattened = tmp
except Exception, exc:
print "Error formatting function: %s"%exc
print node
return flattened
sym_function_call_keyword = sym_function_call_generic
sym_function_call_conflict = sym_function_call_generic
sym_geometry_function = sym_function_call_generic
sym_function_call_nonkeyword = sym_function_call_generic
def sym_simple_expr(self, node):
# some keywords in simpl_expr accept space before ( and some don't.. just leave them out always atm
children = node_children(node)
try:
if node_symbol(children[0]) == "CAST_SYM":
text = node_value(children[0])+node_value(children[1])
if len(node_value(children[2])) > self.opt_expr_length_per_line:
text += indent_tail(node_value(children[2])) + "\n"
text += indent(node_value(children[3]) + " " +node_value(children[4]) + node_value(children[5]))
else:
text += indent_tail(node_value(children[2])) + " "
text += node_value(children[3]) + " " +node_value(children[4]) + node_value(children[5])
return text
elif node_symbol(children[0]) == "CASE_SYM":
# CASE_SYM opt_expr when_list opt_else END
opt_expr = node_direct_child_named(node, "opt_expr")
when_list = node_direct_child_named(node, "when_list")
opt_else = node_direct_child_named(node, "opt_else")
if opt_expr:
text = node_value(children[0])+" "+node_value(opt_expr)+"\n"
else:
text = node_value(children[0])+"\n"
if when_list:
text += indent(node_value(when_list))+"\n"
if opt_else:
text += indent(node_value(opt_else))+"\n"
text += node_value(children[-1])
return text
except Exception, exc:
import traceback
traceback.print_exc()
if len(children) > 2 and node_value(children[1]) == "(":
# join the ( to the previous symbol name
s, v, c = children[0]
children[0] = s, v+"(", c
del children[1]
return flatten_node(node).strip()
def sym_bit_expr(self, node):
return flatten_node_spaced(node)
def sym_when_list(self, node):
# when_list WHEN_SYM expr THEN_SYM expr
children = node_children(node)
i = 0
l = []
while i < len(children):
expr1 = node_value(children[i+1])
expr2 = node_value(children[i+3])
if "\n" in expr1 or "\n" in expr2:
line = node_value(children[i])+"\n"+indent(expr1)+"\n"+node_value(children[i+2])+"\n"+indent(expr2)
else:
line = node_value(children[i])+" "+expr1+" "+node_value(children[i+2])+" "+expr2
i += 4
l.append(line)
return "\n".join(l)
def sym_sum_expr(self, node):
children = node_children(node)
if node_symbol(children[0]) == "GROUP_CONCAT_SYM":
"""GROUP_CONCAT_SYM '(' opt_distinct expr_list opt_gorder_clause opt_gconcat_separator ')'"""
s, n, c = node
text = node_value(c[0])
i = 1
if node_value(c[i]) == "(": # ( may have been already concatenated to GROUP_CONCAT node
text += "("
i+=1
if node_symbol(c[i]) == "opt_distinct":
text += flatten_node(c[i])+" "
i+=1
if node_symbol(c[i]) == "expr_list":
text += node_value(c[i])
i+=1
else:
print "Unexpected symbol in GROUP_CONCAT", node
return "????"
if node_symbol(c[i]) == "opt_gorder_clause":
text += "\n"+indent(node_value(c[i]))
i+=1
if node_symbol(c[i]) == "opt_gconcat_separator":
text += "\n"+indent(node_value(c[i]))
i+=1
text += ")"
return text
else:
text = node_value(children[0])+node_value(children[1])
text += flatten_node_spaced((node[0], node[1], children[2:-1]))
text += node_value(children[-1])
return text
### CREATE TABLE ###
def sym_field_list(self, node):
return "\n"+indent_head(flatten_comma_sep_node_multiline(node))+"\n"
def sym_column_def(self, node):
return flatten_node_spaced(node)
def sym_key_def(self, node):
# normal_key_type opt_ident key_alg '(' key_list ')' normal_key_options
normal_key_type = node_direct_child_named(node, "normal_key_type")
if normal_key_type:
opt_ident = node_direct_child_named(node, "opt_ident")
key_alg = node_direct_child_named(node, "key_alg")
key_list = node_direct_child_named(node, "key_list")
normal_key_options = node_direct_child_named(node, "normal_key_options")
text = node_value(normal_key_type)
if opt_ident:
text += " "+node_value(opt_ident)
if key_alg and node_value(key_alg):
text += " "+node_value(key_alg)
text += " (%s)" % node_value(key_list)
if normal_key_options:
text += " "+node_value(normal_key_options)
return text
# opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
opt_constraint = node_direct_child_named(node, "opt_constraint")
foreign = node_direct_child_named(node, "FOREIGN")
key = node_direct_child_named(node, "KEY_SYM")
if foreign and key:
key_list = node_direct_child_named(node, "key_list")
references = node_direct_child_named(node, "references")
if opt_constraint:
text = node_value(opt_constraint)+" "
else:
text = ""
text += "%s %s (%s)\n" % (node_value(foreign), node_value(key), node_value(key_list))
text += indent(node_value(references))
return text
# opt_constraint constraint_key_type opt_ident key_alg '(' key_list ')' normal_key_options
constraint_key_type = node_direct_child_named(node, "constraint_key_type")
if constraint_key_type:
opt_ident = node_direct_child_named(node, "opt_ident")
key_alg = node_direct_child_named(node, "key_alg")
key_list = node_direct_child_named(node, "key_list")
normal_key_options = node_direct_child_named(node, "normal_key_options")
if opt_constraint:
text = node_value(opt_constraint)+" "
else:
text = ""
text += node_value(constraint_key_type)
if opt_ident:
text += " "+node_value(opt_ident)
if key_alg and node_value(key_alg):
text += " "+node_value(key_alg)
text += " (%s)" % node_value(key_list)
if normal_key_options:
text += " "+node_value(normal_key_options)
return text
# spatial opt_key_or_index opt_ident init_key_options '(' key_list ')' spatial_key_options
# fulltext opt_key_or_index opt_ident init_key_options '(' key_list ')' fulltext_key_options
# opt_constraint check_constraint
return flatten_node_spaced(node)
def sym_opt_constraint(self, node):
return flatten_node_spaced(node)
def sym_references(self, node):
# REFERENCES table_ident opt_ref_list opt_match_clause opt_on_update_delete
text = node_value(node_direct_child_named(node, "REFERENCES")) + " "+node_value(node_direct_child_named(node, "table_ident"))
ref_list = node_direct_child_named(node, "opt_ref_list")
match_clause = node_direct_child_named(node, "opt_match_clause")
on_upd = node_direct_child_named(node, "opt_on_update_delete")
if ref_list:
text += " "+node_value(ref_list)
if match_clause:
text += "\n"+node_value(match_clause)
if on_upd:
text += "\n"+node_value(on_upd)
return text
def sym_opt_ref_list(self, node):
return "(%s)"%node_value(node_direct_child_named(node, "ref_list"))
def sym_field_spec(self, node):
return flatten_node_spaced(node)
def sym_type(self, node):
return flatten_node_unspaced(node)
def sym_field_length(self, node):
return flatten_node(node)
def sym_float_options(self, node):
return flatten_comma_sep_node(node)
def sym_field_opt_list(self, node):
return " "+flatten_node_spaced(node)
def sym_string_list(self, node):
return flatten_comma_sep_node(node)
def sym_opt_attribute_list(self, node):
return flatten_node_spaced(node)
def sym_create_table_option(self, node):
if len(node_children(node)) > 1:
name= []
value= []
l = name
for ch in node_children(node):
if node_symbol(ch) == "opt_equal":
l= value
else:
l.append(node_value(ch))
return "%s=%s" %(" ".join(name), " ".join(value))
else:
return node_value(node)
sym_default_charset = sym_create_table_option
def sym_create_table_options(self, node):
text = flatten_node_spaced(node)
if text:
return " "+text
### CREATE VIEW ###
def sym_view_tail(self, node):
# view_suid VIEW_SYM table_ident view_list_opt AS view_select
suid = node_direct_child_named(node, "view_suid")
if suid:
text = node_value(suid)+" "
else:
text = ""
text += node_value(node_direct_child_named(node, "VIEW_SYM"))
text += " "+node_value(node_direct_child_named(node, "table_ident"))
if node_direct_child_named(node, "view_list_opt"):
text += " "+node_value(node_direct_child_named(node, "view_list_opt"))
text += " "+node_value(node_direct_child_named(node, "AS"))
view_select = node_value(node_direct_child_named(node, "view_select"))
if "\n" in view_select:
text += "\n"+indent(view_select)
else:
text += " "+view_select
return text
### CREATE TRIGGER ###
# not supported atm because of sp_proc_stmt
# TRIGGER_SYM remember_name sp_name trg_action_time trg_event ON remember_name table_ident FOR_SYM remember_name EACH_SYM ROW_SYM sp_proc_stmt
def formatter_for_statement_ast(ast):
statement = ast[2][0][2][0]
if statement[0] == "select":
return SQLPrettifier
elif statement[0] == "create":
create = statement[2][0]
object = statement[2][1]
if object[0] in ["TABLE_SYM", "VIEW_SYM"]:
return SQLPrettifier
# SPs and functions not supported for now (esp. because comments are not maintained by parser)
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