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s_nationkey FROM supplier WHERE s_suppkey < 10000 GROUP BY s_nationkey having nation_total = ANY (SELECT /*+ material_sublink */ avg(s_acctbal
1 2 FATAL: terminating connection due to administrator command FATAL: terminating connection due to administrator command 1. gsql客户端使用PG_TERMINATE_BACKEND
1 2 FATAL: terminating connection due to administrator command FATAL: terminating connection due to administrator command gsql客户端使用PG_TERMINATE_BACKEND
关闭： gs_guc reload -Z coordinator -Z datanode -N all -I all -c "ustore_attr=''" 打开： gs_guc reload -Z coordinator -Z datanode -N all -I all -c
1 2 FATAL: terminating connection due to administrator command FATAL: terminating connection due to administrator command 当使用gsql客户端调用pg_terminate_backend
} parallel {parallel_num}; --data_destination 只能是一个表名称 --file_encoding 表示该二进制文件导出时指定的编码格式 --parallel_num 表示数据导入时的客户端数量，在集群资源较为充足时建议此值为8。
--TEXT格式的导入命令 \COPY {data_destination} FROM '/path/export.txt' ENCODING {file_encoding} PARALLEL {parallel_num}; 父主题： 典型场景
MessageText, sizeof(MessageText), &TextLength); if (SQL_SUCCEEDED(ret)) { printf("[SQLState:%s]:[%ldth error]:[NativeError
MessageText, sizeof(MessageText), &TextLength); if (SQL_SUCCEEDED(ret)) { printf("[SQLState:%s]:[%ldth error]:[NativeError
word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII")
word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII")
word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII")
word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII")
node definition coordinator1: (time=0.001 total_calls=1 loops=1) Plan Node id: 1 Track name: Coordinator serialize plan coordinator1
node definition coordinator1: (time=0.001 total_calls=1 loops=1) Plan Node id: 1 Track name: Coordinator serialize plan coordinator1
(140657876268816); pg_terminate_backend ---------------------- t (1 row) pg_terminate_session(pid int64, sessionid int64) 描述：线程池模式下，终止一个后台
(140657876268816); pg_terminate_backend ---------------------- t (1 row) pg_terminate_session(pid int64, sessionid int64) 描述：终止一个后台session
pg_terminate_backend(pid int) 描述：终止一个后台线程。 返回值类型：Boolean 备注：如果成功，函数返回true，否则返回false。
(140657876268816); pg_terminate_backend ---------------------- t (1 row) pg_terminate_session(pid int64, sessionid int64) 描述：线程池模式下，终止一个后台
表3 expand_cluster字段数据结构说明 名称 是否必选 参数类型 说明 coordinators 否 Array of Coordinators objects CN扩容时必选。需要填写表4参数。 shard 否 Shard object DN分片扩容时必选。
