mirror of https://github.com/luapower/mysql.git
ability to configure the client library used
This commit is contained in:
Cosmin Apreutesei
parent
6a5ea5e99f
commit
6fc07cdb73
384
mysql.lua
384
mysql.lua
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@ -11,16 +11,27 @@ local ffi = require'ffi'
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local bit = require'bit'
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require'mysql_h'
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--find a libmysql implementation
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local myok, myC, maok, maC
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myok, myC = pcall(ffi.load, ffi.abi'win' and 'libmysql' or 'mysqlclient')
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if not myok then
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maok, maC = pcall(ffi.load, ffi.abi'win' and 'libmariadb' or 'mariadb')
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end
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local C = assert((myok and myC) or (maok and maC),
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'mysql or mariadb client library not found')
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local C
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local M = {}
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local M = {C = C}
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--select a mysql client library implementation.
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local function config(lib)
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if not C then
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if not lib or lib == 'mysql' then
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C = ffi.load(ffi.abi'win' and 'libmysql' or 'mysqlclient')
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elseif lib == 'mariadb' then
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C = ffi.load(ffi.abi'win' and 'libmariadb' or 'mariadb')
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elseif type(lib) == 'string' then
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C = ffi.load(lib)
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else
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C = lib
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end
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M.C = C
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end
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return M
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end
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M.config = config
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--we compare NULL pointers against NULL instead of nil for compatibility with luaffi.
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local NULL = ffi.cast('void*', nil)
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@ -61,14 +72,17 @@ end
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--client library info
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function M.thread_safe()
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config()
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return C.mysql_thread_safe() == 1
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end
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function M.client_info()
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config()
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return cstring(C.mysql_get_client_info())
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end
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function M.client_version()
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config()
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return tonumber(C.mysql_get_client_version())
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end
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@ -112,6 +126,7 @@ local option_encoders = {
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}
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function M.connect(t, ...)
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config()
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local host, user, pass, db, charset, port
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local unix_socket, flags, options, attrs
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local key, cert, ca, capath, cipher
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@ -220,7 +235,9 @@ function conn.ping(mysql)
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myerror(mysql)
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end
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conn.thread_id = C.mysql_thread_id --NOTE: result is cdata on x64!
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function conn.thread_id(mysql)
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return C.mysql_thread_id(mysql) --NOTE: result is cdata on x64!
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end
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function conn.stat(mysql)
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return cstring(checkh(mysql, C.mysql_stat(mysql)))
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@ -238,8 +255,9 @@ function conn.server_version(mysql)
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return tonumber(C.mysql_get_server_version(mysql))
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end
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conn.proto_info = C.mysql_get_proto_info
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function conn.proto_info(...)
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return C.mysql_get_proto_info(...)
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end
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function conn.ssl_cipher(mysql)
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return cstring(C.mysql_get_ssl_cipher(mysql))
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@ -275,7 +293,9 @@ end
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--query info
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conn.field_count = C.mysql_field_count
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function conn.field_count(...)
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return C.mysql_field_count(...)
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end
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local minus1_uint64 = ffi.cast('uint64_t', ffi.cast('int64_t', -1))
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function conn.affected_rows(mysql)
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@ -284,7 +304,9 @@ function conn.affected_rows(mysql)
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return tonumber(n)
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end
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conn.insert_id = C.mysql_insert_id --NOTE: result is cdata on x64!
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function conn.insert_id(...)
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return C.mysql_insert_id(...) --NOTE: result is cdata on x64!
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end
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function conn.errno(conn)
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local err = C.mysql_errno(conn)
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@ -296,7 +318,9 @@ function conn.sqlstate(mysql)
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return cstring(C.mysql_sqlstate(mysql))
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end
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conn.warning_count = C.mysql_warning_count
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function conn.warning_count(...)
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return C.mysql_warning_count(...)
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end
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function conn.info(mysql)
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return cstring(C.mysql_info(mysql))
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@ -317,13 +341,13 @@ end
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local function result_function(func)
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return function(mysql)
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local res = checkh(mysql, func(mysql))
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local res = checkh(mysql, C[func](mysql))
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return ffi.gc(res, C.mysql_free_result)
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end
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end
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conn.store_result = result_function(C.mysql_store_result)
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conn.use_result = result_function(C.mysql_use_result)
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conn.store_result = result_function'mysql_store_result'
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conn.use_result = result_function'mysql_use_result'
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local res = {} --result methods
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@ -336,7 +360,9 @@ function res.row_count(res)
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return tonumber(C.mysql_num_rows(res))
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end
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res.field_count = C.mysql_num_fields
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function res.field_count(...)
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return C.mysql_num_fields(...)
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end
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function res.eof(res)
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return C.mysql_eof(res) ~= 0
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@ -345,60 +371,60 @@ end
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--field info
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local field_type_names = {
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[C.MYSQL_TYPE_DECIMAL] = 'decimal', --DECIMAL or NUMERIC
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[C.MYSQL_TYPE_TINY] = 'tinyint',
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[C.MYSQL_TYPE_SHORT] = 'smallint',
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[C.MYSQL_TYPE_LONG] = 'int',
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[C.MYSQL_TYPE_FLOAT] = 'float',
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[C.MYSQL_TYPE_DOUBLE] = 'double', --DOUBLE or REAL
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[C.MYSQL_TYPE_NULL] = 'null',
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[C.MYSQL_TYPE_TIMESTAMP] = 'timestamp',
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[C.MYSQL_TYPE_LONGLONG] = 'bigint',
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[C.MYSQL_TYPE_INT24] = 'mediumint',
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[C.MYSQL_TYPE_DATE] = 'date', --pre mysql 5.0, storage = 4 bytes
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[C.MYSQL_TYPE_TIME] = 'time',
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[C.MYSQL_TYPE_DATETIME] = 'datetime',
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[C.MYSQL_TYPE_YEAR] = 'year',
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[C.MYSQL_TYPE_NEWDATE] = 'date', --mysql 5.0+, storage = 3 bytes
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[C.MYSQL_TYPE_VARCHAR] = 'varchar',
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[C.MYSQL_TYPE_BIT] = 'bit',
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[C.MYSQL_TYPE_TIMESTAMP2] = 'timestamp', --mysql 5.6+, can store fractional seconds
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[C.MYSQL_TYPE_DATETIME2] = 'datetime', --mysql 5.6+, can store fractional seconds
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[C.MYSQL_TYPE_TIME2] = 'time', --mysql 5.6+, can store fractional seconds
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[C.MYSQL_TYPE_NEWDECIMAL] = 'decimal', --mysql 5.0+, Precision math DECIMAL or NUMERIC
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[C.MYSQL_TYPE_ENUM] = 'enum',
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[C.MYSQL_TYPE_SET] = 'set',
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[C.MYSQL_TYPE_TINY_BLOB] = 'tinyblob',
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[C.MYSQL_TYPE_MEDIUM_BLOB] = 'mediumblob',
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[C.MYSQL_TYPE_LONG_BLOB] = 'longblob',
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[C.MYSQL_TYPE_BLOB] = 'text', --TEXT or BLOB
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[C.MYSQL_TYPE_VAR_STRING] = 'varchar', --VARCHAR or VARBINARY
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[C.MYSQL_TYPE_STRING] = 'char', --CHAR or BINARY
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[C.MYSQL_TYPE_GEOMETRY] = 'spatial', --Spatial field
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[ffi.C.MYSQL_TYPE_DECIMAL] = 'decimal', --DECIMAL or NUMERIC
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[ffi.C.MYSQL_TYPE_TINY] = 'tinyint',
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[ffi.C.MYSQL_TYPE_SHORT] = 'smallint',
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[ffi.C.MYSQL_TYPE_LONG] = 'int',
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[ffi.C.MYSQL_TYPE_FLOAT] = 'float',
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[ffi.C.MYSQL_TYPE_DOUBLE] = 'double', --DOUBLE or REAL
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[ffi.C.MYSQL_TYPE_NULL] = 'null',
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[ffi.C.MYSQL_TYPE_TIMESTAMP] = 'timestamp',
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[ffi.C.MYSQL_TYPE_LONGLONG] = 'bigint',
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[ffi.C.MYSQL_TYPE_INT24] = 'mediumint',
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[ffi.C.MYSQL_TYPE_DATE] = 'date', --pre mysql 5.0, storage = 4 bytes
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[ffi.C.MYSQL_TYPE_TIME] = 'time',
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[ffi.C.MYSQL_TYPE_DATETIME] = 'datetime',
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[ffi.C.MYSQL_TYPE_YEAR] = 'year',
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[ffi.C.MYSQL_TYPE_NEWDATE] = 'date', --mysql 5.0+, storage = 3 bytes
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[ffi.C.MYSQL_TYPE_VARCHAR] = 'varchar',
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[ffi.C.MYSQL_TYPE_BIT] = 'bit',
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[ffi.C.MYSQL_TYPE_TIMESTAMP2] = 'timestamp', --mysql 5.6+, can store fractional seconds
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[ffi.C.MYSQL_TYPE_DATETIME2] = 'datetime', --mysql 5.6+, can store fractional seconds
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[ffi.C.MYSQL_TYPE_TIME2] = 'time', --mysql 5.6+, can store fractional seconds
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[ffi.C.MYSQL_TYPE_NEWDECIMAL] = 'decimal', --mysql 5.0+, Precision math DECIMAL or NUMERIC
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[ffi.C.MYSQL_TYPE_ENUM] = 'enum',
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[ffi.C.MYSQL_TYPE_SET] = 'set',
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[ffi.C.MYSQL_TYPE_TINY_BLOB] = 'tinyblob',
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[ffi.C.MYSQL_TYPE_MEDIUM_BLOB] = 'mediumblob',
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[ffi.C.MYSQL_TYPE_LONG_BLOB] = 'longblob',
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[ffi.C.MYSQL_TYPE_BLOB] = 'text', --TEXT or BLOB
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[ffi.C.MYSQL_TYPE_VAR_STRING] = 'varchar', --VARCHAR or VARBINARY
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[ffi.C.MYSQL_TYPE_STRING] = 'char', --CHAR or BINARY
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[ffi.C.MYSQL_TYPE_GEOMETRY] = 'spatial', --Spatial field
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}
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local binary_field_type_names = {
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[C.MYSQL_TYPE_BLOB] = 'blob',
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[C.MYSQL_TYPE_VAR_STRING] = 'varbinary',
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[C.MYSQL_TYPE_STRING] = 'binary',
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[ffi.C.MYSQL_TYPE_BLOB] = 'blob',
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[ffi.C.MYSQL_TYPE_VAR_STRING] = 'varbinary',
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[ffi.C.MYSQL_TYPE_STRING] = 'binary',
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}
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local field_flag_names = {
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[C.MYSQL_NOT_NULL_FLAG] = 'not_null',
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[C.MYSQL_PRI_KEY_FLAG] = 'pri_key',
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[C.MYSQL_UNIQUE_KEY_FLAG] = 'unique_key',
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[C.MYSQL_MULTIPLE_KEY_FLAG] = 'key',
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[C.MYSQL_BLOB_FLAG] = 'is_blob',
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[C.MYSQL_UNSIGNED_FLAG] = 'unsigned',
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[C.MYSQL_ZEROFILL_FLAG] = 'zerofill',
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[C.MYSQL_BINARY_FLAG] = 'is_binary',
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[C.MYSQL_ENUM_FLAG] = 'is_enum',
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[C.MYSQL_AUTO_INCREMENT_FLAG] = 'autoincrement',
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[C.MYSQL_TIMESTAMP_FLAG] = 'is_timestamp',
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[C.MYSQL_SET_FLAG] = 'is_set',
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[C.MYSQL_NO_DEFAULT_VALUE_FLAG] = 'no_default',
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[C.MYSQL_ON_UPDATE_NOW_FLAG] = 'on_update_now',
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[C.MYSQL_NUM_FLAG] = 'is_number',
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[ffi.C.MYSQL_NOT_NULL_FLAG] = 'not_null',
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[ffi.C.MYSQL_PRI_KEY_FLAG] = 'pri_key',
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[ffi.C.MYSQL_UNIQUE_KEY_FLAG] = 'unique_key',
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[ffi.C.MYSQL_MULTIPLE_KEY_FLAG] = 'key',
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[ffi.C.MYSQL_BLOB_FLAG] = 'is_blob',
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[ffi.C.MYSQL_UNSIGNED_FLAG] = 'unsigned',
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[ffi.C.MYSQL_ZEROFILL_FLAG] = 'zerofill',
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[ffi.C.MYSQL_BINARY_FLAG] = 'is_binary',
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[ffi.C.MYSQL_ENUM_FLAG] = 'is_enum',
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[ffi.C.MYSQL_AUTO_INCREMENT_FLAG] = 'autoincrement',
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[ffi.C.MYSQL_TIMESTAMP_FLAG] = 'is_timestamp',
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[ffi.C.MYSQL_SET_FLAG] = 'is_set',
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[ffi.C.MYSQL_NO_DEFAULT_VALUE_FLAG] = 'no_default',
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[ffi.C.MYSQL_ON_UPDATE_NOW_FLAG] = 'on_update_now',
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[ffi.C.MYSQL_NUM_FLAG] = 'is_number',
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}
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local function field_type_name(info)
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@ -569,27 +595,27 @@ local function parse_datetime(data, sz)
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end
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local field_decoders = { --other field types not present here are returned as strings, unparsed
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[C.MYSQL_TYPE_TINY] = parse_int,
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[C.MYSQL_TYPE_SHORT] = parse_int,
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[C.MYSQL_TYPE_LONG] = parse_int,
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[C.MYSQL_TYPE_FLOAT] = parse_float,
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[C.MYSQL_TYPE_DOUBLE] = parse_double,
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[C.MYSQL_TYPE_TIMESTAMP] = parse_datetime,
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[C.MYSQL_TYPE_LONGLONG] = parse_int64,
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[C.MYSQL_TYPE_INT24] = parse_int,
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[C.MYSQL_TYPE_DATE] = parse_date,
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[C.MYSQL_TYPE_TIME] = parse_time,
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[C.MYSQL_TYPE_DATETIME] = parse_datetime,
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[C.MYSQL_TYPE_NEWDATE] = parse_date,
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[C.MYSQL_TYPE_TIMESTAMP2] = parse_datetime,
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[C.MYSQL_TYPE_DATETIME2] = parse_datetime,
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[C.MYSQL_TYPE_TIME2] = parse_time,
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[C.MYSQL_TYPE_YEAR] = parse_int,
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[C.MYSQL_TYPE_BIT] = parse_bit,
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[ffi.C.MYSQL_TYPE_TINY] = parse_int,
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[ffi.C.MYSQL_TYPE_SHORT] = parse_int,
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[ffi.C.MYSQL_TYPE_LONG] = parse_int,
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[ffi.C.MYSQL_TYPE_FLOAT] = parse_float,
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[ffi.C.MYSQL_TYPE_DOUBLE] = parse_double,
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[ffi.C.MYSQL_TYPE_TIMESTAMP] = parse_datetime,
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[ffi.C.MYSQL_TYPE_LONGLONG] = parse_int64,
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[ffi.C.MYSQL_TYPE_INT24] = parse_int,
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[ffi.C.MYSQL_TYPE_DATE] = parse_date,
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[ffi.C.MYSQL_TYPE_TIME] = parse_time,
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[ffi.C.MYSQL_TYPE_DATETIME] = parse_datetime,
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[ffi.C.MYSQL_TYPE_NEWDATE] = parse_date,
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[ffi.C.MYSQL_TYPE_TIMESTAMP2] = parse_datetime,
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[ffi.C.MYSQL_TYPE_DATETIME2] = parse_datetime,
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[ffi.C.MYSQL_TYPE_TIME2] = parse_time,
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[ffi.C.MYSQL_TYPE_YEAR] = parse_int,
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[ffi.C.MYSQL_TYPE_BIT] = parse_bit,
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}
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local unsigned_decoders = {
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[C.MYSQL_TYPE_LONGLONG] = parse_uint64,
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[ffi.C.MYSQL_TYPE_LONGLONG] = parse_uint64,
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}
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local function mode_flags(mode)
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@ -664,7 +690,9 @@ function res.rows(res, mode, t)
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end
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end
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res.tell = C.mysql_row_tell
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function res.tell(...)
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return C.mysql_row_tell(...)
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end
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function res.seek(res, where) --use in conjunction with res:row_count()
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if type(where) == 'number' then
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@ -678,14 +706,14 @@ end
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local function list_function(func)
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return function(mysql, wild)
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local res = checkh(mysql, func(mysql, wild))
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local res = checkh(mysql, C[func](mysql, wild))
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return ffi.gc(res, C.mysql_free_result)
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end
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end
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conn.list_dbs = list_function(C.mysql_list_dbs)
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conn.list_tables = list_function(C.mysql_list_tables)
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conn.list_processes = result_function(C.mysql_list_processes)
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conn.list_dbs = list_function'mysql_list_dbs'
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conn.list_tables = list_function'mysql_list_tables'
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conn.list_processes = result_function'mysql_list_processes'
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--remote control
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@ -781,7 +809,9 @@ function stmt.affected_rows(stmt)
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return tonumber(n)
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end
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stmt.insert_id = C.mysql_stmt_insert_id
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function stmt.insert_id(...)
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return C.mysql_stmt_insert_id(...)
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end
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function stmt.field_count(stmt)
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return tonumber(C.mysql_stmt_field_count(stmt))
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@ -831,7 +861,9 @@ function stmt.reset(stmt)
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stcheckz(stmt, C.mysql_stmt_reset(stmt))
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end
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stmt.tell = C.mysql_stmt_row_tell
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function stmt.tell(...)
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return C.mysql_stmt_row_tell(...)
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end
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function stmt.seek(stmt, where) --use in conjunction with stmt:row_count()
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if type(where) == 'number' then
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@ -883,108 +915,108 @@ end
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--see http://dev.mysql.com/doc/refman/5.7/en/c-api-prepared-statement-type-codes.html
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local bb_types_input = {
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--conversion-free types
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tinyint = C.MYSQL_TYPE_TINY,
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smallint = C.MYSQL_TYPE_SHORT,
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int = C.MYSQL_TYPE_LONG,
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integer = C.MYSQL_TYPE_LONG, --alias of int
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bigint = C.MYSQL_TYPE_LONGLONG,
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float = C.MYSQL_TYPE_FLOAT,
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double = C.MYSQL_TYPE_DOUBLE,
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time = C.MYSQL_TYPE_TIME,
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date = C.MYSQL_TYPE_DATE,
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datetime = C.MYSQL_TYPE_DATETIME,
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timestamp = C.MYSQL_TYPE_TIMESTAMP,
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text = C.MYSQL_TYPE_STRING,
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char = C.MYSQL_TYPE_STRING,
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varchar = C.MYSQL_TYPE_STRING,
|
||||
blob = C.MYSQL_TYPE_BLOB,
|
||||
binary = C.MYSQL_TYPE_BLOB,
|
||||
varbinary = C.MYSQL_TYPE_BLOB,
|
||||
null = C.MYSQL_TYPE_NULL,
|
||||
tinyint = ffi.C.MYSQL_TYPE_TINY,
|
||||
smallint = ffi.C.MYSQL_TYPE_SHORT,
|
||||
int = ffi.C.MYSQL_TYPE_LONG,
|
||||
integer = ffi.C.MYSQL_TYPE_LONG, --alias of int
|
||||
bigint = ffi.C.MYSQL_TYPE_LONGLONG,
|
||||
float = ffi.C.MYSQL_TYPE_FLOAT,
|
||||
double = ffi.C.MYSQL_TYPE_DOUBLE,
|
||||
time = ffi.C.MYSQL_TYPE_TIME,
|
||||
date = ffi.C.MYSQL_TYPE_DATE,
|
||||
datetime = ffi.C.MYSQL_TYPE_DATETIME,
|
||||
timestamp = ffi.C.MYSQL_TYPE_TIMESTAMP,
|
||||
text = ffi.C.MYSQL_TYPE_STRING,
|
||||
char = ffi.C.MYSQL_TYPE_STRING,
|
||||
varchar = ffi.C.MYSQL_TYPE_STRING,
|
||||
blob = ffi.C.MYSQL_TYPE_BLOB,
|
||||
binary = ffi.C.MYSQL_TYPE_BLOB,
|
||||
varbinary = ffi.C.MYSQL_TYPE_BLOB,
|
||||
null = ffi.C.MYSQL_TYPE_NULL,
|
||||
--conversion types (can only use one of the above C types)
|
||||
mediumint = C.MYSQL_TYPE_LONG,
|
||||
real = C.MYSQL_TYPE_DOUBLE,
|
||||
decimal = C.MYSQL_TYPE_BLOB,
|
||||
numeric = C.MYSQL_TYPE_BLOB,
|
||||
year = C.MYSQL_TYPE_SHORT,
|
||||
tinyblob = C.MYSQL_TYPE_BLOB,
|
||||
tinytext = C.MYSQL_TYPE_BLOB,
|
||||
mediumblob = C.MYSQL_TYPE_BLOB,
|
||||
mediumtext = C.MYSQL_TYPE_BLOB,
|
||||
longblob = C.MYSQL_TYPE_BLOB,
|
||||
longtext = C.MYSQL_TYPE_BLOB,
|
||||
bit = C.MYSQL_TYPE_LONGLONG, --MYSQL_TYPE_BIT is not available for input params
|
||||
set = C.MYSQL_TYPE_BLOB,
|
||||
enum = C.MYSQL_TYPE_BLOB,
|
||||
mediumint = ffi.C.MYSQL_TYPE_LONG,
|
||||
real = ffi.C.MYSQL_TYPE_DOUBLE,
|
||||
decimal = ffi.C.MYSQL_TYPE_BLOB,
|
||||
numeric = ffi.C.MYSQL_TYPE_BLOB,
|
||||
year = ffi.C.MYSQL_TYPE_SHORT,
|
||||
tinyblob = ffi.C.MYSQL_TYPE_BLOB,
|
||||
tinytext = ffi.C.MYSQL_TYPE_BLOB,
|
||||
mediumblob = ffi.C.MYSQL_TYPE_BLOB,
|
||||
mediumtext = ffi.C.MYSQL_TYPE_BLOB,
|
||||
longblob = ffi.C.MYSQL_TYPE_BLOB,
|
||||
longtext = ffi.C.MYSQL_TYPE_BLOB,
|
||||
bit = ffi.C.MYSQL_TYPE_LONGLONG, --MYSQL_TYPE_BIT is not available for input params
|
||||
set = ffi.C.MYSQL_TYPE_BLOB,
|
||||
enum = ffi.C.MYSQL_TYPE_BLOB,
|
||||
}
|
||||
|
||||
local bb_types_output = {
|
||||
--conversion-free types
|
||||
tinyint = C.MYSQL_TYPE_TINY,
|
||||
smallint = C.MYSQL_TYPE_SHORT,
|
||||
mediumint = C.MYSQL_TYPE_INT24, --int32
|
||||
int = C.MYSQL_TYPE_LONG,
|
||||
integer = C.MYSQL_TYPE_LONG, --alias of int
|
||||
bigint = C.MYSQL_TYPE_LONGLONG,
|
||||
float = C.MYSQL_TYPE_FLOAT,
|
||||
double = C.MYSQL_TYPE_DOUBLE,
|
||||
real = C.MYSQL_TYPE_DOUBLE,
|
||||
decimal = C.MYSQL_TYPE_NEWDECIMAL, --char[]
|
||||
numeric = C.MYSQL_TYPE_NEWDECIMAL, --char[]
|
||||
year = C.MYSQL_TYPE_SHORT,
|
||||
time = C.MYSQL_TYPE_TIME,
|
||||
date = C.MYSQL_TYPE_DATE,
|
||||
datetime = C.MYSQL_TYPE_DATETIME,
|
||||
timestamp = C.MYSQL_TYPE_TIMESTAMP,
|
||||
char = C.MYSQL_TYPE_STRING,
|
||||
binary = C.MYSQL_TYPE_STRING,
|
||||
varchar = C.MYSQL_TYPE_VAR_STRING,
|
||||
varbinary = C.MYSQL_TYPE_VAR_STRING,
|
||||
tinyblob = C.MYSQL_TYPE_TINY_BLOB,
|
||||
tinytext = C.MYSQL_TYPE_TINY_BLOB,
|
||||
blob = C.MYSQL_TYPE_BLOB,
|
||||
text = C.MYSQL_TYPE_BLOB,
|
||||
mediumblob = C.MYSQL_TYPE_MEDIUM_BLOB,
|
||||
mediumtext = C.MYSQL_TYPE_MEDIUM_BLOB,
|
||||
longblob = C.MYSQL_TYPE_LONG_BLOB,
|
||||
longtext = C.MYSQL_TYPE_LONG_BLOB,
|
||||
bit = C.MYSQL_TYPE_BIT,
|
||||
tinyint = ffi.C.MYSQL_TYPE_TINY,
|
||||
smallint = ffi.C.MYSQL_TYPE_SHORT,
|
||||
mediumint = ffi.C.MYSQL_TYPE_INT24, --int32
|
||||
int = ffi.C.MYSQL_TYPE_LONG,
|
||||
integer = ffi.C.MYSQL_TYPE_LONG, --alias of int
|
||||
bigint = ffi.C.MYSQL_TYPE_LONGLONG,
|
||||
float = ffi.C.MYSQL_TYPE_FLOAT,
|
||||
double = ffi.C.MYSQL_TYPE_DOUBLE,
|
||||
real = ffi.C.MYSQL_TYPE_DOUBLE,
|
||||
decimal = ffi.C.MYSQL_TYPE_NEWDECIMAL, --char[]
|
||||
numeric = ffi.C.MYSQL_TYPE_NEWDECIMAL, --char[]
|
||||
year = ffi.C.MYSQL_TYPE_SHORT,
|
||||
time = ffi.C.MYSQL_TYPE_TIME,
|
||||
date = ffi.C.MYSQL_TYPE_DATE,
|
||||
datetime = ffi.C.MYSQL_TYPE_DATETIME,
|
||||
timestamp = ffi.C.MYSQL_TYPE_TIMESTAMP,
|
||||
char = ffi.C.MYSQL_TYPE_STRING,
|
||||
binary = ffi.C.MYSQL_TYPE_STRING,
|
||||
varchar = ffi.C.MYSQL_TYPE_VAR_STRING,
|
||||
varbinary = ffi.C.MYSQL_TYPE_VAR_STRING,
|
||||
tinyblob = ffi.C.MYSQL_TYPE_TINY_BLOB,
|
||||
tinytext = ffi.C.MYSQL_TYPE_TINY_BLOB,
|
||||
blob = ffi.C.MYSQL_TYPE_BLOB,
|
||||
text = ffi.C.MYSQL_TYPE_BLOB,
|
||||
mediumblob = ffi.C.MYSQL_TYPE_MEDIUM_BLOB,
|
||||
mediumtext = ffi.C.MYSQL_TYPE_MEDIUM_BLOB,
|
||||
longblob = ffi.C.MYSQL_TYPE_LONG_BLOB,
|
||||
longtext = ffi.C.MYSQL_TYPE_LONG_BLOB,
|
||||
bit = ffi.C.MYSQL_TYPE_BIT,
|
||||
--conversion types (can only use one of the above C types)
|
||||
null = C.MYSQL_TYPE_TINY,
|
||||
set = C.MYSQL_TYPE_BLOB,
|
||||
enum = C.MYSQL_TYPE_BLOB,
|
||||
null = ffi.C.MYSQL_TYPE_TINY,
|
||||
set = ffi.C.MYSQL_TYPE_BLOB,
|
||||
enum = ffi.C.MYSQL_TYPE_BLOB,
|
||||
}
|
||||
|
||||
local number_types = {
|
||||
[C.MYSQL_TYPE_TINY] = 'int8_t[1]',
|
||||
[C.MYSQL_TYPE_SHORT] = 'int16_t[1]',
|
||||
[C.MYSQL_TYPE_LONG] = 'int32_t[1]',
|
||||
[C.MYSQL_TYPE_INT24] = 'int32_t[1]',
|
||||
[C.MYSQL_TYPE_LONGLONG] = 'int64_t[1]',
|
||||
[C.MYSQL_TYPE_FLOAT] = 'float[1]',
|
||||
[C.MYSQL_TYPE_DOUBLE] = 'double[1]',
|
||||
[ffi.C.MYSQL_TYPE_TINY] = 'int8_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_SHORT] = 'int16_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_LONG] = 'int32_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_INT24] = 'int32_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_LONGLONG] = 'int64_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_FLOAT] = 'float[1]',
|
||||
[ffi.C.MYSQL_TYPE_DOUBLE] = 'double[1]',
|
||||
}
|
||||
|
||||
local uint_types = {
|
||||
[C.MYSQL_TYPE_TINY] = 'uint8_t[1]',
|
||||
[C.MYSQL_TYPE_SHORT] = 'uint16_t[1]',
|
||||
[C.MYSQL_TYPE_LONG] = 'uint32_t[1]',
|
||||
[C.MYSQL_TYPE_INT24] = 'uint32_t[1]',
|
||||
[C.MYSQL_TYPE_LONGLONG] = 'uint64_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_TINY] = 'uint8_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_SHORT] = 'uint16_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_LONG] = 'uint32_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_INT24] = 'uint32_t[1]',
|
||||
[ffi.C.MYSQL_TYPE_LONGLONG] = 'uint64_t[1]',
|
||||
}
|
||||
|
||||
local time_types = {
|
||||
[C.MYSQL_TYPE_TIME] = true,
|
||||
[C.MYSQL_TYPE_DATE] = true,
|
||||
[C.MYSQL_TYPE_DATETIME] = true,
|
||||
[C.MYSQL_TYPE_TIMESTAMP] = true,
|
||||
[ffi.C.MYSQL_TYPE_TIME] = true,
|
||||
[ffi.C.MYSQL_TYPE_DATE] = true,
|
||||
[ffi.C.MYSQL_TYPE_DATETIME] = true,
|
||||
[ffi.C.MYSQL_TYPE_TIMESTAMP] = true,
|
||||
}
|
||||
|
||||
local time_struct_types = {
|
||||
[C.MYSQL_TYPE_TIME] = C.MYSQL_TIMESTAMP_TIME,
|
||||
[C.MYSQL_TYPE_DATE] = C.MYSQL_TIMESTAMP_DATE,
|
||||
[C.MYSQL_TYPE_DATETIME] = C.MYSQL_TIMESTAMP_DATETIME,
|
||||
[C.MYSQL_TYPE_TIMESTAMP] = C.MYSQL_TIMESTAMP_DATETIME,
|
||||
[ffi.C.MYSQL_TYPE_TIME] = ffi.C.MYSQL_TIMESTAMP_TIME,
|
||||
[ffi.C.MYSQL_TYPE_DATE] = ffi.C.MYSQL_TIMESTAMP_DATE,
|
||||
[ffi.C.MYSQL_TYPE_DATETIME] = ffi.C.MYSQL_TIMESTAMP_DATETIME,
|
||||
[ffi.C.MYSQL_TYPE_TIMESTAMP] = ffi.C.MYSQL_TIMESTAMP_DATETIME,
|
||||
}
|
||||
|
||||
local params = {} --params bind buffer methods
|
||||
|
|
|
|||
11
mysql.md
11
mysql.md
|
|
@ -12,6 +12,8 @@ A complete, lightweight ffi binding of the mysql client library.
|
|||
## Summary
|
||||
|
||||
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
|
||||
**[Initialization]**
|
||||
`mysql.config(['mysql'|'mariadb'|libname|clib]) -> mysql`
|
||||
**[Connections]**
|
||||
`mysql.connect(host, [user], [pass], [db], [charset], [port]) -> conn` connect to a mysql server
|
||||
`mysql.connect(options_t) -> conn` connect to a mysql server
|
||||
|
|
@ -169,6 +171,14 @@ end
|
|||
print_help'CONCAT%'
|
||||
~~~
|
||||
|
||||
## Initialization
|
||||
|
||||
### `mysql.config(['mysql'|'mariadb'|libname|clib]) -> mysql`
|
||||
|
||||
Load the mysql client library to use (default is 'mysql').
|
||||
This function is called on every module-level function.
|
||||
Calling this function again is a no-op.
|
||||
|
||||
## Connections
|
||||
|
||||
### `mysql.connect(host, [user], [pass], [db], [charset], [port]) -> conn`
|
||||
|
|
@ -537,4 +547,3 @@ Instruct the server to dump debug info in the log file. `SUPER` priviledge neede
|
|||
|
||||
* reader function for getting large blobs in chunks using
|
||||
mysql_stmt_fetch_column: `stmt:chunks(i[, bufsize])` or `stmt:read()` ?
|
||||
* support connecting against different runtimes (client_library option)
|
||||
|
|
|
|||
|
|
@ -237,7 +237,7 @@ local set_values = {
|
|||
fbigint = "'420'",
|
||||
fubigint = tostring(0ULL-1):sub(1,-4), --remove 'ULL'
|
||||
fmediumint = "440",
|
||||
fumediumint = tostring(2^32-1),
|
||||
fumediumint = tostring(2^24-1),
|
||||
fdate = "'2013-10-05'",
|
||||
ftime = "'21:30:15'",
|
||||
ftime2 = "'21:30:16.123456'",
|
||||
|
|
|
|||
Loading…
Reference in New Issue