How to create a boolean column in MySQL table? - mysql

Question

I want to create a table in MySQL database that have a boolean column with values 'active' and 'inactive'. How can i do that?
My Entity class:
#Entity
#Table(name = "organization")
public class OrganizationEntity {
private Long id;
private String nameEntity;
private String provinceEntity;
private String supporterEntity;
private String supporterAddressEntity;
private boolean active;
#Id
#GeneratedValue
#Column(name = "id")
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
#Column(name = "name")
public String getNameEntity() {
return nameEntity;
}
public void setNameEntity(String nameEntity) {
this.nameEntity = nameEntity;
}
#Column(name = "province")
public String getProvinceEntity() {
return provinceEntity;
}
public void setProvinceEntity(String provinceEntity) {
this.provinceEntity = provinceEntity;
}
#Column(name = "supporter_name")
public String getSupporterEntity() {
return supporterEntity;
}
public void setSupporterEntity(String supporterEntity) {
this.supporterEntity = supporterEntity;
}
#Column(name = "supporter_address")
public String getSupporterAddressEntity() {
return supporterAddressEntity;
}
public void setSupporterAddressEntity(String supporterAddressEntity) {
this.supporterAddressEntity = supporterAddressEntity;
}
#Column(name = "active")
public boolean isActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
}
My organization entity class have a boolean 'active' field that shows an organization is active or inactive. Now how can I have a column in database table for that?

Answer 1

Technically MySQL does not have a boolean type. BOOL and BOOLEAN converts to TINYINT(1).
From the MySQL documentation:
A value of zero is considered false. Nonzero values are considered true
You should be able to use the TINYINT(1) column from your code as some languages handle 1 as true and 0 as false (unless overwritten by you).
Not sure what language you are using (C# ?) you can try the following:
#Column(name = "active")
public boolean isActive() {
return Convert.ToBoolean(active);
}
This is untested, so give it a go.

Answer 2

You can simply use boolean primitive type (but be sure you have NOT NULL column) or Boolean wrapper for nullable column. JPA providers (Hibernate or EclipseLink) are smart enough to convert that behind the scenes.
Use for field access type:
#Basic(optional = false)
#Column(name = "active")
private boolean active;
public boolean isActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
or even for property access type:
private boolean active;
#Basic(optional = false)
#Column(name = "active")
public boolean isActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}