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TDengine
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3539dd2b
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TDengine
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体验新版 GitCode,发现更多精彩内容 >>
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3539dd2b
编写于
8月 07, 2020
作者:
H
Hongze Cheng
浏览文件
操作
浏览文件
下载
差异文件
Merge branch 'develop' into hotfix/sync_loss_data
上级
b8e3385c
79ae33ab
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
120 addition
and
73 deletion
+120
-73
documentation20/webdocs/markdowndocs/TAOS SQL-ch.md
documentation20/webdocs/markdowndocs/TAOS SQL-ch.md
+25
-0
packaging/cfg/taos.cfg
packaging/cfg/taos.cfg
+45
-47
src/kit/taosdemo/taosdemo.c
src/kit/taosdemo/taosdemo.c
+18
-14
tests/pytest/crash_gen.py
tests/pytest/crash_gen.py
+32
-12
未找到文件。
documentation20/webdocs/markdowndocs/TAOS SQL-ch.md
浏览文件 @
3539dd2b
...
...
@@ -281,6 +281,30 @@ SELECT select_expr [, select_expr ...]
[LIMIT limit_val [, OFFSET offset_val]]
[>> export_file]
```
说明:针对 insert 类型的 SQL 语句,我们采用的流式解析策略,在发现后面的错误之前,前面正确的部分SQL仍会执行。下面的sql中,insert语句是无效的,但是d1001仍会被创建。
```
mysql
taos> create table meters(ts timestamp, current float, voltage int, phase float) tags(location binary(30), groupId int);
Query OK, 0 row(s) affected (0.008245s)
taos> show stables;
name | created_time | columns | tags | tables |
============================================================================================
meters | 2020-08-06 17:50:27.831 | 4 | 2 | 0 |
Query OK, 1 row(s) in set (0.001029s)
taos> show tables;
Query OK, 0 row(s) in set (0.000946s)
taos> insert into d1001 using meters tags('Beijing.Chaoyang', 2);
DB error: invalid SQL: keyword VALUES or FILE required
taos> show tables;
table_name | created_time | columns | stable_name |
======================================================================================================
d1001 | 2020-08-06 17:52:02.097 | 4 | meters |
Query OK, 1 row(s) in set (0.001091s)
```
#### SELECT子句
一个选择子句可以是联合查询(UNION)和另一个查询的子查询(SUBQUERY)。
...
...
@@ -314,6 +338,7 @@ taos> SELECT * FROM meters;
Query OK, 9 row(s) in set (0.002022s)
```
通配符支持表名前缀,以下两个SQL语句均为返回全部的列:
```
mysql
SELECT * FROM d1001;
...
...
packaging/cfg/taos.cfg
浏览文件 @
3539dd2b
...
...
@@ -5,20 +5,20 @@
# #
########################################################
# first full
-
qualified domain name (FQDN) for TDengine system
# first full
y
qualified domain name (FQDN) for TDengine system
# firstEp hostname1:6030
# second full
-qualified domain name (FQDN) for TDengine system, for cluster edition
only
# second full
y qualified domain name (FQDN) for TDengine system, for cluster
only
# secondEp cluster_hostname2:6030
#
the full-qualified domain name (FQDN) of dnode
#
local fully qualified domain name (FQDN)
# fqdn hostname
#
port for MNode connect to Client, default udp/tcp [6030-6040]
#
first port number for the connection (10 continuous UDP/TCP port number are used)
# serverPort 6030
# http service port, default tcp [60
20]
# httpPort 60
20
# http service port, default tcp [60
41]
# httpPort 60
41
# log file's directory
# logDir /var/log/taos
...
...
@@ -26,76 +26,73 @@
# data file's directory
# dataDir /var/lib/taos
# the arbitrator's full
-qualified domain name (FQDN) for TDengine system, for cluster edition
only
# the arbitrator's full
y qualified domain name (FQDN) for TDengine system, for cluster
only
# arbitrator arbitrator_hostname:6030
# number of threads per CPU core
# numOfThreadsPerCore 1.0
# the ratio of threads responsible for querying in the total thread
# ratioOfQueryThreads 0.5
# number of management nodes in the system
# numOfMnodes 3
#
if backup vnode directory when remove
dnode
#
enable/disable backuping vnode directory when removing
dnode
# vnodeBak 1
#
Whether to start
load balancing
#
enable/disable
load balancing
# balance 1
#
optional roles
for dnode. 0 - any, 1 - mnode, 2 - dnode
#
role
for dnode. 0 - any, 1 - mnode, 2 - dnode
# role 0
# max timer control block
# max timer control block
s
# maxTmrCtrl 512
#
interval of system monitor
#
time interval of system monitor, seconds
# monitorInterval 30
# number of seconds allowed for a dnode to be offline, for cluster
version
only
# number of seconds allowed for a dnode to be offline, for cluster only
# offlineThreshold 8640000
# RPC re-try timer, millisecond
# rpcTimer 300
# RPC maximum time for ack, seconds
# RPC maximum time for ack, seconds
.
# rpcMaxTime 600
#
interval of DNode report status to MNode, unit is Second, for cluster version
only
#
time interval of dnode status reporting to mnode, seconds, for cluster
only
# statusInterval 1
#
interval of Shell send HB to MNode, unit is Second
#
time interval of heart beat from shell to dnode, seconds
# shellActivityTimer 3
#
duration of to keep tableMeta kept in C
ache, seconds
#
time of keeping table meta data in c
ache, seconds
# tableMetaKeepTimer 7200
#
Minimum sliding window time
#
minimum sliding window time, milli-second
# minSlidingTime 10
#
Time window minimum
#
minimum time window, milli-second
# minIntervalTime 10
#
the max allowed delayed time for launching continuous query. 20ms by default
#
maximum delay before launching a stream compution, milli-second
# maxStreamCompDelay 20000
#
The minimum time to wait before the first stream execution
#
maximum delay before launching a stream computation for the first time, milli-second
# maxFirstStreamCompDelay 10000
#
Retry wait time benchmark
#
retry delay when a stream computation fails, milli-second
# retryStreamCompDelay 10
# the delayed time for launching
each continuous query. 10% of the whole computing time window by default.
# the delayed time for launching
a stream computation, from 0.1(default, 10% of whole computing time window) to 0.9
# streamCompDelayRatio 0.1
# max number of vgroups per db
# max number of vgroups per db
, 0 means configured automatically
# maxVgroupsPerDb 0
# max number of tables per vnode
# maxTablesPerVnode 1000000
#
Step size of increasing table number in
vnode
#
step size of increasing table number in a
vnode
# tableIncStepPerVnode 1000
# cache block size (Mbyte)
...
...
@@ -110,22 +107,22 @@
# number of days to keep DB file
# keep 3650
# min
row
of records in file block
# min
imum rows
of records in file block
# minRows 100
# max
row
of records in file block
# max
imum rows
of records in file block
# maxRows 4096
# enable/disable compression
# comp 2
#
set write ahead log (WAL) level
#
write ahead log (WAL) level, 0: no wal; 1: write wal, but no fysnc; 2: write wal, and call fsync
# walLevel 1
#
When walLevel is set to 2, the cycle of fsync is executed
#
if walLevel is set to 2, the cycle of fsync being executed, if set to 0, fsync is called right away
# fsync 3000
# number of replications, for cluster
version
only
# number of replications, for cluster only
# replica 1
# mqtt uri
...
...
@@ -143,7 +140,7 @@
# max length of an SQL
# maxSQLLength 65480
#
Support
the maximum number of records allowed for super table time sorting
# the maximum number of records allowed for super table time sorting
# maxNumOfOrderedRes 100000
# system time zone
...
...
@@ -155,31 +152,31 @@
# default system charset
# charset UTF-8
# max number of connections
from client for
dnode
# max number of connections
allowed in
dnode
# maxShellConns 5000
# max numerber of connections
to one database
# max numerber of connections
allowed in client
# maxConnections 5000
#
S
top writing logs when the disk size of the log folder is less than this value
#
s
top writing logs when the disk size of the log folder is less than this value
# minimalLogDirGB 0.1
#
S
top writing temporary files when the disk size of the log folder is less than this value
#
s
top writing temporary files when the disk size of the log folder is less than this value
# minimalTmpDirGB 0.1
#
S
top writing data when the disk size of the log folder is less than this value
#
s
top writing data when the disk size of the log folder is less than this value
# minimalDataDirGB 0.1
#
start
http service
#
enbale/disable
http service
# http 1
#
start
muqq service
#
enable/disable
muqq service
# mqtt 0
#
start system monitor module
#
enable/disable system monitor
# monitor 1
#
Record the SQL through
restful interface
#
enable/disable recording the SQL statements via
restful interface
# httpEnableRecordSql 0
# number of threads used to process http requests
...
...
@@ -255,11 +252,12 @@
# debug flag for http server
# tsdbDebugFlag 131
#
Record
the SQL in taos client
#
enable/disable recording
the SQL in taos client
# tscEnableRecordSql 0
#
if
generate core file when service crash
# generate core file when service crash
# enableCoreFile 1
# The maximum display width of binary and nchar fields in the shell. The parts exceeding this limit will be hidden
# maxBinaryDisplayWidth 30
\ No newline at end of file
# maximum display width of binary and nchar fields in the shell. The parts exceeding this limit will be hidden
# maxBinaryDisplayWidth 30
src/kit/taosdemo/taosdemo.c
浏览文件 @
3539dd2b
...
...
@@ -42,10 +42,10 @@ extern char configDir[];
#define BUFFER_SIZE 65536
#define MAX_DB_NAME_SIZE 64
#define MAX_TB_NAME_SIZE 64
#define MAX_DATA_SIZE 1
024
#define MAX_NUM_DATATYPE
3
0
#define MAX_DATA_SIZE 1
6000
#define MAX_NUM_DATATYPE
1
0
#define OPT_ABORT 1
/* –abort */
#define STRING_LEN
512
#define STRING_LEN
60000
#define MAX_PREPARED_RAND 1000000
/* The options we understand. */
...
...
@@ -155,7 +155,7 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
strcasecmp
(
arg
,
"TINYINT"
)
!=
0
&&
strcasecmp
(
arg
,
"BOOL"
)
!=
0
&&
strcasecmp
(
arg
,
"SMALLINT"
)
!=
0
&&
strcasecmp
(
arg
,
"BIGINT"
)
!=
0
&&
strcasecmp
(
arg
,
"DOUBLE"
)
!=
0
&&
strcasecmp
(
arg
,
"BINARY"
))
{
strcasecmp
(
arg
,
"BINARY"
)
&&
strcasecmp
(
arg
,
"NCHAR"
)
)
{
argp_error
(
state
,
"Invalid data_type!"
);
}
sptr
[
0
]
=
arg
;
...
...
@@ -171,11 +171,11 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
strcasecmp
(
token
,
"BOOL"
)
!=
0
&&
strcasecmp
(
token
,
"SMALLINT"
)
!=
0
&&
strcasecmp
(
token
,
"BIGINT"
)
!=
0
&&
strcasecmp
(
token
,
"DOUBLE"
)
!=
0
&&
strcasecmp
(
token
,
"BINARY"
))
{
strcasecmp
(
token
,
"DOUBLE"
)
!=
0
&&
strcasecmp
(
token
,
"BINARY"
)
&&
strcasecmp
(
token
,
"NCHAR"
)
)
{
argp_error
(
state
,
"Invalid data_type!"
);
}
sptr
[
index
++
]
=
token
;
token
=
strsep
(
&
running
,
",
"
);
token
=
strsep
(
&
running
,
","
);
if
(
index
>=
MAX_NUM_DATATYPE
)
break
;
}
}
...
...
@@ -412,7 +412,7 @@ int main(int argc, char *argv[]) {
memset
(
dataString
,
0
,
STRING_LEN
);
int
len
=
0
;
if
(
strcasecmp
(
data_type
[
0
],
"BINARY"
)
==
0
||
strcasecmp
(
data_type
[
0
],
"BOOL"
)
==
0
)
{
if
(
strcasecmp
(
data_type
[
0
],
"BINARY"
)
==
0
||
strcasecmp
(
data_type
[
0
],
"BOOL"
)
==
0
||
strcasecmp
(
data_type
[
0
],
"NCHAR"
)
==
0
)
{
do_aggreFunc
=
false
;
}
for
(;
count_data_type
<=
MAX_NUM_DATATYPE
;
count_data_type
++
)
{
...
...
@@ -438,7 +438,7 @@ int main(int argc, char *argv[]) {
printf
(
"# Use metric: %s
\n
"
,
use_metric
?
"true"
:
"false"
);
printf
(
"# Datatype of Columns: %s
\n
"
,
dataString
);
printf
(
"# Binary Length(If applicable): %d
\n
"
,
(
strcasestr
(
dataString
,
"BINARY"
)
!=
NULL
)
?
len_of_binary
:
-
1
);
(
strcasestr
(
dataString
,
"BINARY"
)
!=
NULL
||
strcasestr
(
dataString
,
"NCHAR"
)
!=
NULL
)
?
len_of_binary
:
-
1
);
printf
(
"# Number of Columns per record: %d
\n
"
,
ncols_per_record
);
printf
(
"# Number of Threads: %d
\n
"
,
threads
);
printf
(
"# Number of Tables: %d
\n
"
,
ntables
);
...
...
@@ -466,7 +466,7 @@ int main(int argc, char *argv[]) {
fprintf
(
fp
,
"# Use metric: %s
\n
"
,
use_metric
?
"true"
:
"false"
);
fprintf
(
fp
,
"# Datatype of Columns: %s
\n
"
,
dataString
);
fprintf
(
fp
,
"# Binary Length(If applicable): %d
\n
"
,
(
strcasestr
(
dataString
,
"BINARY"
)
!=
NULL
)
?
len_of_binary
:
-
1
);
(
strcasestr
(
dataString
,
"BINARY"
)
!=
NULL
||
strcasestr
(
dataString
,
"NCHAR"
)
!=
NULL
)
?
len_of_binary
:
-
1
);
fprintf
(
fp
,
"# Number of Columns per record: %d
\n
"
,
ncols_per_record
);
fprintf
(
fp
,
"# Number of Threads: %d
\n
"
,
threads
);
fprintf
(
fp
,
"# Number of Tables: %d
\n
"
,
ntables
);
...
...
@@ -506,23 +506,23 @@ int main(int argc, char *argv[]) {
len
=
0
;
for
(;
colIndex
<
ncols_per_record
-
1
;
colIndex
++
)
{
if
(
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"BINARY"
)
!=
0
)
{
if
(
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"BINARY"
)
!=
0
&&
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"NCHAR"
)
!=
0
)
{
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
]);
}
else
{
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s(%d)"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
],
len_of_binary
);
}
}
if
(
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"BINARY"
)
!=
0
)
{
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s
)
"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
]);
if
(
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"BINARY"
)
!=
0
&&
strcasecmp
(
data_type
[
colIndex
%
count_data_type
],
"NCHAR"
)
!=
0
)
{
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
]);
}
else
{
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s(%d)
)
"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
],
len_of_binary
);
len
+=
snprintf
(
cols
+
len
,
STRING_LEN
-
len
,
",f%d %s(%d)"
,
colIndex
+
1
,
data_type
[
colIndex
%
count_data_type
],
len_of_binary
);
}
if
(
use_metric
)
{
/* Create metric table */
printf
(
"Creating meters super table...
\n
"
);
snprintf
(
command
,
BUFFER_SIZE
,
"create table if not exists %s.meters (ts timestamp%s tags (areaid int, loc binary(10))"
,
db_name
,
cols
);
snprintf
(
command
,
BUFFER_SIZE
,
"create table if not exists %s.meters (ts timestamp%s
)
tags (areaid int, loc binary(10))"
,
db_name
,
cols
);
queryDB
(
taos
,
command
);
printf
(
"meters created!
\n
"
);
}
...
...
@@ -1272,6 +1272,10 @@ int32_t generateData(char *res, char **data_type, int num_of_cols, int64_t times
char
s
[
len_of_binary
];
rand_string
(
s
,
len_of_binary
);
pstr
+=
sprintf
(
pstr
,
",
\"
%s
\"
"
,
s
);
}
else
if
(
strcasecmp
(
data_type
[
i
%
c
],
"nchar"
)
==
0
)
{
char
s
[
len_of_binary
];
rand_string
(
s
,
len_of_binary
);
pstr
+=
sprintf
(
pstr
,
",
\"
%s
\"
"
,
s
);
}
if
(
pstr
-
res
>
MAX_DATA_SIZE
)
{
...
...
tests/pytest/crash_gen.py
浏览文件 @
3539dd2b
...
...
@@ -643,7 +643,7 @@ class DbConn:
self
.
execute
(
"use {}"
.
format
(
dbName
))
def
hasDatabases
(
self
):
return
self
.
query
(
"show databases"
)
>
0
return
self
.
query
(
"show databases"
)
>
1
# We now have a "log" database by default
def
hasTables
(
self
):
return
self
.
query
(
"show tables"
)
>
0
...
...
@@ -850,6 +850,7 @@ class DbConnNative(DbConn):
raise
RuntimeError
(
"Cannot execute database commands until connection is open"
)
logger
.
debug
(
"[SQL] Executing SQL: {}"
.
format
(
sql
))
self
.
_lastSql
=
sql
nRows
=
self
.
_tdSql
.
execute
(
sql
)
logger
.
debug
(
"[SQL] Execution Result, nRows = {}, SQL = {}"
.
format
(
...
...
@@ -861,6 +862,7 @@ class DbConnNative(DbConn):
raise
RuntimeError
(
"Cannot query database until connection is open"
)
logger
.
debug
(
"[SQL] Executing SQL: {}"
.
format
(
sql
))
self
.
_lastSql
=
sql
nRows
=
self
.
_tdSql
.
query
(
sql
)
logger
.
debug
(
"[SQL] Query Result, nRows = {}, SQL = {}"
.
format
(
...
...
@@ -1771,6 +1773,9 @@ class TdSuperTable:
def
__init__
(
self
,
stName
):
self
.
_stName
=
stName
def
getName
(
self
):
return
self
.
_stName
def
create
(
self
,
dbc
,
cols
:
dict
,
tags
:
dict
):
sql
=
"CREATE TABLE db.{} ({}) TAGS ({})"
.
format
(
self
.
_stName
,
...
...
@@ -1864,16 +1869,29 @@ class TaskReadData(StateTransitionTask):
wt
.
getDbConn
().
close
()
wt
.
getDbConn
().
open
()
for
rTbName
in
sTable
.
getRegTables
(
wt
.
getDbConn
()):
# regular tables
aggExpr
=
Dice
.
choice
([
'*'
,
'count(*)'
,
'avg(speed)'
,
dbc
=
wt
.
getDbConn
()
for
rTbName
in
sTable
.
getRegTables
(
dbc
):
# regular tables
aggExpr
=
Dice
.
choice
([
'*'
,
'count(*)'
,
'avg(speed)'
,
# 'twa(speed)', # TODO: this one REQUIRES a where statement, not reasonable
'sum(speed)'
,
'stddev(speed)'
,
'min(speed)'
,
'max(speed)'
,
'first(speed)'
,
'last(speed)'
])
# TODO: add more from 'top'
'sum(speed)'
,
'stddev(speed)'
,
'min(speed)'
,
'max(speed)'
,
'first(speed)'
,
'last(speed)'
])
# TODO: add more from 'top'
filterExpr
=
Dice
.
choice
([
# TODO: add various kind of WHERE conditions
None
])
try
:
self
.
execWtSql
(
wt
,
"select {} from db.{}"
.
format
(
aggExpr
,
rTbName
))
dbc
.
execute
(
"select {} from db.{}"
.
format
(
aggExpr
,
rTbName
))
if
aggExpr
not
in
[
'stddev(speed)'
]:
#TODO: STDDEV not valid for super tables?!
dbc
.
execute
(
"select {} from db.{}"
.
format
(
aggExpr
,
sTable
.
getName
()))
except
taos
.
error
.
ProgrammingError
as
err
:
errno2
=
err
.
errno
if
(
err
.
errno
>
0
)
else
0x80000000
+
err
.
errno
logger
.
debug
(
"[=] Read Failure: errno=0x{:X}, msg: {}, SQL: {}"
.
format
(
errno2
,
err
,
wt
.
getDbConn
()
.
getLastSql
()))
logger
.
debug
(
"[=] Read Failure: errno=0x{:X}, msg: {}, SQL: {}"
.
format
(
errno2
,
err
,
dbc
.
getLastSql
()))
raise
class
TaskDropSuperTable
(
StateTransitionTask
):
...
...
@@ -2204,8 +2222,8 @@ class SvcManager:
# print("Process: {}".format(proc.name()))
self
.
svcMgrThread
=
ServiceManagerThread
()
# create the object
self
.
svcMgrThread
.
start
()
print
(
"Attempting to start TAOS service started, printing out output..."
)
self
.
svcMgrThread
.
start
()
self
.
svcMgrThread
.
procIpcBatch
(
trimToTarget
=
10
,
forceOutput
=
True
)
# for printing 10 lines
...
...
@@ -2222,8 +2240,8 @@ class SvcManager:
if
self
.
svcMgrThread
.
isStopped
():
self
.
svcMgrThread
.
procIpcBatch
(
outputLines
)
# one last time
self
.
svcMgrThread
=
None
print
(
"
----- End of TDengine Service Output -----
\n
"
)
print
(
"
SMT execution terminated
"
)
print
(
"
End of TDengine Service Output
"
)
print
(
"
----- TDengine Service (managed by SMT) is now terminated -----
\n
"
)
else
:
print
(
"WARNING: SMT did not terminate as expected"
)
...
...
@@ -2330,6 +2348,8 @@ class ServiceManagerThread:
self
.
_status
=
MainExec
.
STATUS_STOPPING
retCode
=
self
.
_tdeSubProcess
.
stop
()
print
(
"Attempted to stop sub process, got return code: {}"
.
format
(
retCode
))
if
(
retCode
==-
11
):
# SGV
logger
.
error
(
"[[--ERROR--]]: TDengine service SEGV fault (check core file!)"
)
if
self
.
_tdeSubProcess
.
isRunning
():
# still running
print
(
"FAILED to stop sub process, it is still running... pid = {}"
.
format
(
...
...
@@ -2624,12 +2644,12 @@ class ClientManager:
def
_printLastNumbers
(
self
):
# to verify data durability
dbManager
=
DbManager
(
resetDb
=
False
)
dbc
=
dbManager
.
getDbConn
()
if
dbc
.
query
(
"show databases"
)
==
0
:
# no databae
if
dbc
.
query
(
"show databases"
)
<=
1
:
# no database (we have a default called "log")
return
dbc
.
execute
(
"use db"
)
if
dbc
.
query
(
"show tables"
)
==
0
:
# no tables
return
dbc
.
execute
(
"use db"
)
sTbName
=
dbManager
.
getFixedSuperTableName
()
# get all regular tables
...
...
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