Merge branch 'develop' into hotfix/sync_loss_data
This commit is contained in:
Hongze Cheng
commit
3539dd2b2b
|
|
@ -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。
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||||
```mysql
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||||
taos> create table meters(ts timestamp, current float, voltage int, phase float) tags(location binary(30), groupId int);
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||||
Query OK, 0 row(s) affected (0.008245s)
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||||
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||||
taos> show stables;
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||||
name | created_time | columns | tags | tables |
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||||
============================================================================================
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||||
meters | 2020-08-06 17:50:27.831 | 4 | 2 | 0 |
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||||
Query OK, 1 row(s) in set (0.001029s)
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||||
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||||
taos> show tables;
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||||
Query OK, 0 row(s) in set (0.000946s)
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||||
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taos> insert into d1001 using meters tags('Beijing.Chaoyang', 2);
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DB error: invalid SQL: keyword VALUES or FILE required
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||||
taos> show tables;
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||||
table_name | created_time | columns | stable_name |
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||||
======================================================================================================
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||||
d1001 | 2020-08-06 17:52:02.097 | 4 | meters |
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Query OK, 1 row(s) in set (0.001091s)
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```
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||||
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#### SELECT子句
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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）。
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@ -314,6 +338,7 @@ taos> SELECT * FROM meters;
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Query OK, 9 row(s) in set (0.002022s)
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```
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||||
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||||
通配符支持表名前缀，以下两个SQL语句均为返回全部的列：
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```mysql
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SELECT * FROM d1001;
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|
|
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|
|
@ -5,20 +5,20 @@
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|||
# #
|
||||
########################################################
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||||
|
||||
# first full-qualified domain name (FQDN) for TDengine system
|
||||
# first fully qualified domain name (FQDN) for TDengine system
|
||||
# firstEp hostname1:6030
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# second full-qualified domain name (FQDN) for TDengine system, for cluster edition only
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# second fully qualified domain name (FQDN) for TDengine system, for cluster only
|
||||
# secondEp cluster_hostname2:6030
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# the full-qualified domain name (FQDN) of dnode
|
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# local fully qualified domain name (FQDN)
|
||||
# fqdn hostname
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||||
|
||||
# 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 [6020]
|
||||
# httpPort 6020
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||||
# http service port, default tcp [6041]
|
||||
# httpPort 6041
|
||||
|
||||
# log file's directory
|
||||
# logDir /var/log/taos
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||||
|
|
@ -26,76 +26,73 @@
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|||
# data file's directory
|
||||
# dataDir /var/lib/taos
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||||
|
||||
# the arbitrator's full-qualified domain name (FQDN) for TDengine system, for cluster edition only
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||||
# the arbitrator's fully qualified domain name (FQDN) for TDengine system, for cluster only
|
||||
# arbitrator arbitrator_hostname:6030
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||||
|
||||
# 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
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||||
|
||||
# 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 blocks
|
||||
# maxTmrCtrl 512
|
||||
|
||||
# interval of system monitor
|
||||
# time interval of system monitor, seconds
|
||||
# monitorInterval 30
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|
||||
# 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
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||||
|
||||
# interval of Shell send HB to MNode, unit is Second
|
||||
# time interval of heart beat from shell to dnode, seconds
|
||||
# shellActivityTimer 3
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||||
|
||||
# duration of to keep tableMeta kept in Cache, seconds
|
||||
# time of keeping table meta data in cache, 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
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||||
|
||||
# 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
|
||||
# minimum rows of records in file block
|
||||
# minRows 100
|
||||
|
||||
# max row of records in file block
|
||||
# maximum 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
|
||||
|
||||
# Stop writing logs when the disk size of the log folder is less than this value
|
||||
# stop writing logs when the disk size of the log folder is less than this value
|
||||
# minimalLogDirGB 0.1
|
||||
|
||||
# Stop writing temporary files when the disk size of the log folder is less than this value
|
||||
# stop writing temporary files when the disk size of the log folder is less than this value
|
||||
# minimalTmpDirGB 0.1
|
||||
|
||||
# Stop writing data when the disk size of the log folder is less than this value
|
||||
# stop 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
|
||||
# maximum display width of binary and nchar fields in the shell. The parts exceeding this limit will be hidden
|
||||
# maxBinaryDisplayWidth 30
|
||||
|
||||
|
|
|
|||
|
|
@ -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 1024
|
||||
#define MAX_NUM_DATATYPE 30
|
||||
#define MAX_DATA_SIZE 16000
|
||||
#define MAX_NUM_DATATYPE 10
|
||||
#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) {
|
||||
|
|
|
|||
|
|
@ -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
|
||||
|
|
|
|||
Loading…
Reference in New Issue