h2

计算属性的基本使用

由 女生的网名这么多〃 提交于 2020-01-31 21:48:55
< ! DOCTYPE html > < html lang = "en" > < head > < meta charset = "UTF-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < meta http - equiv = "X-UA-Compatible" content = "ie=edge" > < title > Document < / title > < / head > < body > < div id = "app" > < h2 > { { firstName + ' ' + lastName } } < / h2 > < h2 > { { firstName } } { { lastName } } < / h2 > < h2 > { { getFullName ( ) } } < / h2 > < h2 > { { fullNmae } } < / h2 > < / div > < / body > < script src = "../js/vue.js" > < / script > < script > const app = new Vue ( { el : '#app' , data : { firstName : 'liu

H2-Console is not showing in browser

由 眉间皱痕 提交于 2020-01-31 04:30:37
问题 I am working on SpringBoot api and using H2 database with following property settings. spring.h2.console.enabled=true spring.datasource.name=test spring.datasource.username=sa spring.datasource.password= spring.datasource.driver-class-name=org.h2.Driver spring.jpa.database-platform=org.hibernate.dialect.H2Dialect spring.datasource.initialization-mode = embedded spring.datasource.url=jdbc:h2:mem:test spring.jpa.hibernate.ddl-auto = update When I want to use browser to view the H2 database

How to use current date in H2 database SQL query

由 旧街凉风 提交于 2020-01-24 18:22:36
问题 I need something like select * from tableName where date_column > now() However, now() doesn't work in H2. Please advise. 回答1: use CURRENT_TIMESTAMP select * from tableName where date_column > CURRENT_TIMESTAMP() CURRENT_TIMESTAMP 回答2: IF you want to compare with present date only then use select * from tableName where date_column > CURRENT_DATE() IF you want to compare with present date and time also select * from tableName where date_column > CURRENT_TIMESTAMP 来源： https://stackoverflow.com

H2 database - CSVREAD - skip loading header line of the csv file into db

由 笑着哭i 提交于 2020-01-23 11:24:07
问题 I am using H2 DB in my java application. I want to load a .csv file to the DB. This file contains column headers as the first line of the file. So while loading the file into the DB through CSVREAD command, H2 is trying to parse the first line also and thus failing. So how to skip loading the first line. Below the query I am using to load the file to the DB: "CREATE TABLE TEST (CIRCLE VARCHAR_IGNORECASE(50), MSISDN VARCHAR_IGNORECASE(50), PORT_IN_DATE TIMESTAMP, OPERATOR VARCHAR_IGNORECASE

Corda: How to implement hierarchical relationships between state data persisted to H2

由 梦想的初衷 提交于 2020-01-23 03:05:13
问题 Summary I've adapted the basic Token Issuance Corda Bootcamp application to demonstrate this issue. I want to create a bidirectional mapping between TokenStates and TokenChildren where the relationship is one-to-many. What are the best practices for persisting hierarchical data? Is it possible to implement this using JPA annotations in state schemas? I have one state - TokenState , that contains some arbitrary data as well as a Collection of objects with the class TokenChild . The purpose of

Corda: How to implement hierarchical relationships between state data persisted to H2

由 限于喜欢 提交于 2020-01-23 03:05:07
问题 Summary I've adapted the basic Token Issuance Corda Bootcamp application to demonstrate this issue. I want to create a bidirectional mapping between TokenStates and TokenChildren where the relationship is one-to-many. What are the best practices for persisting hierarchical data? Is it possible to implement this using JPA annotations in state schemas? I have one state - TokenState , that contains some arbitrary data as well as a Collection of objects with the class TokenChild . The purpose of

how to create new database in H2?

由 狂风中的少年 提交于 2020-01-22 20:18:32
问题 I have a site running locally on MySQL i want to run it on H2 database. I have just run h2.jar file for console on the browser but whenever I Log in I have seen the list jdbc:h2:/var/www/mysite/data/db; MODE=MySQL, information_schema and users. I can create tables in it but don't know how to create new database? I am using Mode = MySQL type = H2 Database Engine in Embedded mode. 回答1: From http://www.h2database.com/html/tutorial.html#creating_new_databases, By default, if the database

How to use current date in H2 database SQL query

由 ♀尐吖头ヾ 提交于 2020-01-20 04:28:45
问题 I need something like select * from tableName where date_column > now() However, now() doesn't work in H2. Please advise. 回答1: use CURRENT_TIMESTAMP select * from tableName where date_column > CURRENT_TIMESTAMP() CURRENT_TIMESTAMP 回答2: IF you want to compare with present date only then use select * from tableName where date_column > CURRENT_DATE() IF you want to compare with present date and time also select * from tableName where date_column > CURRENT_TIMESTAMP 来源： https://stackoverflow.com

Column data type

由 ▼魔方 西西 提交于 2020-01-17 02:21:30
问题 I have an application that has to load various H2 database files for different tasks at runtime and must be able to verify that the loaded DB conforms to a predefined schema. By this I mean that I query the information schema to check whether specific tables are present and whether these tables contain properly defined columns (eg data type, length, indexes etc). My question is concerning H2's internal data types and how they map to values listed in INFORMATION_SCHEMA.COLUMNS . For example am

Foreign key problem in Spring Boot - h2 database

由 我是研究僧i 提交于 2020-01-16 10:02:58
问题 In my spring boot application, I have User class something like this : public class User { @Id @GeneratedValue Long userID; @OneToOne(fetch = FetchType.LAZY,targetEntity = LoginCredential.class) @JoinColumn(name = "userID",referencedColumnName = "userID") private LoginCredential loginCredential; } And another class LoginCreadential like this : public class LoginCredential { @Id @GeneratedValue Long userID; @OneToOne(mappedBy = "user", fetch = FetchType.LAZY) User user; } My application was
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