一、创建表 create table testTable ( Id numbere, name varchar2(100), age number, createTime date, primary key(Id) ) 1. 2. 3. 4. 5. 6. 7. 8. 二、创建序列 create sequence seq_test 三、创建触发器 create or replace trigger autoId before insert on testTable for each Row when (NEW...
"PostgreSQLDataset", "properties": { "type": "PostgreSqlV2Table", "linkedServiceName": { "referenceName": "<PostgreSQL linked service name>", "type": "LinkedServiceReference" }, "annotations": [], "schema": [], "typeProperties": { "schema": "<schema name>", "table": "<table ...
AI代码解释 CREATEORREPLACEFUNCTIONdate_part(text,abstime)RETURNSdouble precisionAS'select pg_catalog.date_part($1, cast($2 as timestamp with time zone))'LANGUAGEsqlSTABLESTRICTCOST1;ALTERFUNCTIONdate_part(text,abstime)OWNERTOhighgo;COMMENTONFUNCTIONdate_part(text,abstime)IS'extract field from abs...
postgres=# create table t_native_list(f1 bigserial not null,f2 text, f3 integer,f4 date) partition by list( f2 ) distribute by shard(f1); NOTICE: Replica identity is neededforshard table, pleaseaddto this table through"alter table"command. CREATE TABLE 建立两个子表,分别存入“广东”...
修改PostgreSQL 驱动程序的配置:有时,PostgreSQL 驱动程序对于某些数据类型的默认映射可能会导致转换错误。您可以尝试修改 Flink 的 PostgreSQL 驱动程序配置,将date类型映射为适当的TIMESTAMP类型。 在Flink 的flink-conf.yaml配置文件中添加以下配置: table:planner:type-creation: "CUSTOM"type-creation.class: "org.apa...
alter table修改表 例如添加字段 postgres=# alter table tbl1 add column c1 int; ALTER TABLE 1. 2. 添加字段,并添加默认值(会rewrite table, 不建议对大表这么操作,会很久。大表增加字段和默认值,建议先增加自动,默认值可以异步小批量的UPDATE) postgres=# alter table tbl1 add column c2 int default 10...
tableName of the table.No (if "query" in activity source is specified) Example JSON {"name":"PostgreSQLDataset","properties": {"type":"PostgreSqlV2Table","linkedServiceName": {"referenceName":"<PostgreSQL linked service name>","type":"LinkedServiceReference"},"annotations": [],"schema":...
type数据集的 type 属性必须设置为:PostgreSqlV2Table是 schema架构的名称。否(如果指定了活动源中的“query”) 表表的名称。否(如果指定了活动源中的“query”) 示例 JSON {"name":"PostgreSQLDataset","properties": {"type":"PostgreSqlV2Table","linkedServiceName": {"referenceName":"<PostgreSQL linked se...
User-defined callbacks for partition creation event handling; 回调函数的规则如下 $part_init_callback$(argsJSONB)RETURNSVOID传入参数如下/* RANGE-partitioned table abc (for exp: child abc_4) */{ "parent": "abc", "parttype": "2",
.SplitTable(DateTime.Now.Date.AddYears(-1), DateTime.Now) .ToPageList(1,2); Feature10 : Big data insert or update 10.1BulkCopy db.Fastest<Order>().BulkCopy(lstData);//insertdb.Fastest<Order>().PageSize(100000).BulkCopy(insertObjs); ...