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AWK joining two files on a specific column

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问题 I'm trying to join two files on one of their columns and the output should be the columns of the second file and some of the columns from the first file. For example my first file is: subscriberid unsubscribetime unsubscribeip listid statid unsubscribed and my second file is: listid statid listname ownername owneremail createdate subscriberid bouncetype bouncetime bouncerule I need to join them on the "statid" column which is 5th in the first file and 2nd in the second file. After that add

Hibernate @ManyToMany joinTable - OrderBy using join table's field

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问题 There are 3 tables: TABLE_A ID_A field1 fieldN TABLE_B ID_B field1 fieldN TABLE_A_B ID_A ID_B orderField public class A(){ @ManyToMany @JoinTable(name="TABLE_A_B", joinColumns={@JoinColumn(name="ID_A")}, inverseJoinColumns={@JoinColumn(name="ID_B")}) @OrderBy(value="orderField") private List<TABLE_B> BList; } But it isn't working, instead I get a runtime error: Caused by: org.postgresql.util.PSQLException: ERROR: column B1_.orderField doesn't exist Position: 1437 Hibernate searches the field

AWK joining two files on a specific column

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I'm trying to join two files on one of their columns and the output should be the columns of the second file and some of the columns from the first file. For example my first file is: subscriberid unsubscribetime unsubscribeip listid statid unsubscribed and my second file is: listid statid listname ownername owneremail createdate subscriberid bouncetype bouncetime bouncerule I need to join them on the "statid" column which is 5th in the first file and 2nd in the second file. After that add 2nd, 3rd and 6th column from the first file. The output should be: listid statid listname ownername

Annotation to join columns with OR condition instead of AND condition

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问题 I have 2 java classes, Relation and Person , which both are present in my database. Person: @Entity @Table(name = "persons") public class Person { @Id @Column private int id; @Column private String name; @OneToMany(fetch = FetchType.EAGER) @JoinColumns({ @JoinColumn(name = "slave_id", referencedColumnName="id"), @JoinColumn(name = "master_id", referencedColumnName="id") }) private List<Relation> relations; //Getters and setters } Relation: @Entity @Table(name = "relations") public class