def parse_xsqlda(buf, connection, stmt_handle):
xsqlda = []
stmt_type = None
i = 0
while i < len(buf):
if buf[i:i + 3] == bytes([isc_info_sql_stmt_type, 0x04, 0x00]):
stmt_type = bytes_to_int(buf[i + 3:i + 7])
i += 7
elif buf[i:i + 2] == bytes(
[isc_info_sql_select, isc_info_sql_describe_vars]):
i += 2
l = bytes_to_int(buf[i:i + 2])
i += 2
col_len = bytes_to_int(buf[i:i + l])
xsqlda = [None] * col_len
next_index = parse_select_items(buf[i + l:], xsqlda, connection)
while next_index > 0: # more describe vars
connection._op_info_sql(
stmt_handle,
bytes([isc_info_sql_sqlda_start, 2]) +
int_to_bytes(next_index, 2) +
INFO_SQL_SELECT_DESCRIBE_VARS)
(h, oid, buf) = connection._op_response()
assert buf[:2] == bytes([0x04, 0x07])
l = bytes_to_int(buf[2:4])
assert bytes_to_int(buf[4:4 + l]) == col_len
next_index = parse_select_items(buf[4 + l:], xsqlda,
connection)
else:
break
return stmt_type, xsqlda
def parse_xsqlda(buf, connection, stmt_handle):
xsqlda = []
stmt_type = None
i = 0
while i < len(buf):
if buf[i:i+3] == bytes([isc_info_sql_stmt_type,0x04,0x00]):
stmt_type = bytes_to_int(buf[i+3:i+7])
i += 7
elif buf[i:i+2] == bytes([isc_info_sql_select, isc_info_sql_describe_vars]):
i += 2
l = bytes_to_int(buf[i:i+2])
i += 2
col_len = bytes_to_int(buf[i:i+l])
xsqlda = [None] * col_len
next_index = parse_select_items(buf[i+l:], xsqlda, connection)
while next_index > 0: # more describe vars
connection._op_info_sql(stmt_handle,
bytes([isc_info_sql_sqlda_start, 2])
+ int_to_bytes(next_index, 2)
+ INFO_SQL_SELECT_DESCRIBE_VARS)
(h, oid, buf) = connection._op_response()
assert buf[:2] == bytes([0x04,0x07])
l = bytes_to_int(buf[2:4])
assert bytes_to_int(buf[4:4+l]) == col_len
next_index = parse_select_items(buf[4+l:], xsqlda, connection)
else:
break
return stmt_type, xsqlda
def parse_xsqlda(buf, connection, stmt_handle):
assert buf[:3] == bytes([0x15, 0x04, 0x00]) # isc_info_sql_stmt_type
stmt_type = bytes_to_int(buf[3:7])
if stmt_type != isc_info_sql_stmt_select:
return []
assert buf[7:9] == bytes([0x04, 0x07])
l = bytes_to_int(buf[9:11])
col_len = bytes_to_int(buf[11 : 11 + l])
xsqlda = [None] * col_len
next_index = parse_select_items(buf[11 + l :], xsqlda, connection)
while next_index > 0: # more describe vars
connection._op_info_sql(
stmt_handle,
bytes([isc_info_sql_sqlda_start, 2]) + int_to_bytes(next_index, 2) + INFO_SQL_SELECT_DESCRIBE_VARS,
)
(h, oid, buf) = connection._op_response()
assert buf[:2] == bytes([0x04, 0x07])
l = bytes_to_int(buf[2:4])
assert bytes_to_int(buf[4 : 4 + l]) == col_len
next_index = parse_select_items(buf[4 + l :], xsqlda, connection)
return xsqlda
def parse_xsqlda(buf, connection, stmt_handle):
assert buf[:3] == bytes([0x15, 0x04, 0x00]) # isc_info_sql_stmt_type
stmt_type = bytes_to_int(buf[3:7])
if (stmt_type != isc_info_sql_stmt_select
and stmt_type != isc_info_sql_stmt_exec_procedure):
return []
assert buf[7:9] == bytes([0x04, 0x07])
l = bytes_to_int(buf[9:11])
col_len = bytes_to_int(buf[11:11 + l])
xsqlda = [None] * col_len
next_index = parse_select_items(buf[11 + l:], xsqlda, connection)
while next_index > 0: # more describe vars
connection._op_info_sql(
stmt_handle,
bytes([isc_info_sql_sqlda_start, 2]) +
int_to_bytes(next_index, 2) + INFO_SQL_SELECT_DESCRIBE_VARS)
(h, oid, buf) = connection._op_response()
assert buf[:2] == bytes([0x04, 0x07])
l = bytes_to_int(buf[2:4])
assert bytes_to_int(buf[4:4 + l]) == col_len
next_index = parse_select_items(buf[4 + l:], xsqlda, connection)
return xsqlda
