public List<Item> findAllByStringValueAndLikeOperatorWithHQLQuery(String expression) { TypedQuery<Item> query = entityManager.createQuery("from Item as item_ where item_.jsonbContent.string_value like :expr", Item.class); query.setParameter("expr", expression); return query.getResultList(); } ...
例如，对于类Node自引用： class Node(Base): __tablename__='node' id=Column(Integer,pr...
BaseMapper这个接口里面封装了一些常用的sql。 public interface BaseMapper<T> extends Mapper<T> { int insert(T entity); int deleteById(Serializable id); int deleteByMap(@Param("cm") Map<String, Object> columnMap); int delete(@Param("ew") Wrapper<T> wrapper); int deleteBatchIds(@Param("col...
我基于pivotcode 扩展了一个可以返回宽表的json, %%sql-- PL/pgSQL code to create pivot tables with automatic column names-- prerequisite: install the tablefunc modulecreateextensionifnotexiststablefunc;-- tablename: name of source table you want to pivot-- rowc: the name of the column in sou...
CREATETABLEjs( idserial, data jsonb,CHECK(data @@'name IS STRING ANDsimilar_ids.#: IS NUMERIC ANDpoints.#:(x IS NUMERIC AND y IS NUMERIC)'::jsquery)); In this example the check constraint validates that in the "data" jsonb column the value of the "name" key is a string, the ...
Postgres是一种开源的关系型数据库管理系统,它支持多种数据类型和功能,包括jsonb数据类型和相关的操作函数,如jsonb_set。 jsonb_set是Postgres中用于更新jsonb类型数据的函数之一。它允许我们在jsonb对象中设置或更新一个或多个嵌套字段的值。该函数的语法如下: ...
completionTag=<optimized out>) at pquery.c:1143 #12 0x0000000000b9de58 in exec_simple_query (query_string=<optimized out>) at postgres.c:1685 #13 0x0000000000b9f8cc in PostgresMain (argc=<optimized out>, argv=argv@entry=0x18f0a50, dbname=<optimized out>, username=<optimized out>) at...
Version 1.12.0 What happened? When running sqlc v1.12.0 ➜ sqlc compile # package db sql/query/advanced.sql:3:84: column "key" does not exist It appears sqlc compile is not aware of the emitted columns by the json_each function (key and value) ...
COPY { table_name [ ( column_name [, ...] )] | ( query ) } TO{ 'filename' | PROGRAM 'command' | STDOUT } [[ WITH ] ( option [, ...] ) ] 其中option的设置的参数如下: FORMAT format_name OIDS [ boolean ] FREEZE [ boolean ] ...
.CrossQuery(typeof(HisDoctor), "Oracle") .Includes(z => z.HisInfo) .ToList(); Console.WriteLine(list); } } public abstract class BaseModel { [SugarColumn(ColumnDescription = "ID", IsPrimaryKey = true, IsIdentity = true)] public virtual long Id { get; set; } ...