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mysql
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unimportant

This commit is contained in:
Cosmin Apreutesei 2021-07-12 22:46:51 +03:00
parent e183de65cd
commit f68e13c9e6
1 changed files with 14 additions and 11 deletions
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25
mysql_client.lua
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@ -357,18 +357,15 @@ local function _from_length_coded_bin(data, pos)
end end
local function _from_length_coded_str(data, pos, lower) local function _from_length_coded_str(data, pos)
local len local len
len, pos = _from_length_coded_bin(data, pos) len, pos = _from_length_coded_bin(data, pos)
if not len or len == null then if not len or len == null then
return null, pos return null, pos
end end
local s = sub(data, pos, pos + len - 1) return sub(data, pos, pos + len - 1), pos + len
if lower then s = s:lower() end
return s, pos + len
end end
local function _parse_ok_packet(packet) local function _parse_ok_packet(packet)
local res = new_tab(0, 5) local res = new_tab(0, 5)
local pos local pos
@ -441,15 +438,21 @@ local UNIQUE_KEY_FLAG = 4
local UNSIGNED_FLAG = 32 local UNSIGNED_FLAG = 32
local AUTO_INCREMENT_FLAG = 512 local AUTO_INCREMENT_FLAG = 512
local function _parse_field(data, pos)
local s, pos = _from_length_coded_str(data, pos)
s = s ~= null and s ~= '' and s:lower() or nil
return s, pos
end
local function _parse_field_packet(data) local function _parse_field_packet(data)
local col = new_tab(0, 2) local col = new_tab(0, 2)
local pos local pos
col.catalog, pos = _from_length_coded_str(data, 1, true) col.catalog, pos = _parse_field(data, 1)
col.schema, pos = _from_length_coded_str(data, pos, true) col.schema, pos = _parse_field(data, pos)
col.table, pos = _from_length_coded_str(data, pos, true) col.table, pos = _parse_field(data, pos)
col.orig_table, pos = _from_length_coded_str(data, pos, true) col.orig_table, pos = _parse_field(data, pos)
col.name, pos = _from_length_coded_str(data, pos, true) col.name, pos = _parse_field(data, pos)
col.orig_name, pos = _from_length_coded_str(data, pos, true) col.orig_name, pos = _parse_field(data, pos)
pos = pos + 1 -- ignore the filler pos = pos + 1 -- ignore the filler
col.charsetnr, pos = _get_byte2(data, pos) col.charsetnr, pos = _get_byte2(data, pos)
col.length, pos = _get_byte4(data, pos) col.length, pos = _get_byte4(data, pos)