What's the default value of “inet” and “cidr” type in PostgreSQL?











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0
down vote

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When I execute the SQL:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '',

    "mac_address" macaddr NOT NULL DEFAULT '',

    "status" varchar(64) NOT NULL DEFAULT ''

);


It reports an error:



execute error: pq: invalid input syntax for type macaddr: ""


So what's the default value of "inet" and "cidr" type in PostgreSQL?






sql postgresql ip mac-address







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  • 2




    Why NOT NULL combined with an empty string as default value?
    – jarlh
    22 hours ago






  • 2




    Only you know what's the default value supposed to be, there's no default DEFAULT
    – dnoeth
    22 hours ago

















up vote
0
down vote

favorite












When I execute the SQL:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '',

    "mac_address" macaddr NOT NULL DEFAULT '',

    "status" varchar(64) NOT NULL DEFAULT ''

);


It reports an error:



execute error: pq: invalid input syntax for type macaddr: ""


So what's the default value of "inet" and "cidr" type in PostgreSQL?






sql postgresql ip mac-address







share|improve this question


















  • 2




    Why NOT NULL combined with an empty string as default value?
    – jarlh
    22 hours ago






  • 2




    Only you know what's the default value supposed to be, there's no default DEFAULT
    – dnoeth
    22 hours ago















up vote
0
down vote

favorite









up vote
0
down vote

favorite











When I execute the SQL:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '',

    "mac_address" macaddr NOT NULL DEFAULT '',

    "status" varchar(64) NOT NULL DEFAULT ''

);


It reports an error:



execute error: pq: invalid input syntax for type macaddr: ""


So what's the default value of "inet" and "cidr" type in PostgreSQL?






sql postgresql ip mac-address







share|improve this question













When I execute the SQL:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '',

    "mac_address" macaddr NOT NULL DEFAULT '',

    "status" varchar(64) NOT NULL DEFAULT ''

);


It reports an error:



execute error: pq: invalid input syntax for type macaddr: ""


So what's the default value of "inet" and "cidr" type in PostgreSQL?






sql postgresql ip mac-address




sql postgresql ip mac-address






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 22 hours ago









heha37

61




61








  • 2




    Why NOT NULL combined with an empty string as default value?
    – jarlh
    22 hours ago






  • 2




    Only you know what's the default value supposed to be, there's no default DEFAULT
    – dnoeth
    22 hours ago
















  • 2




    Why NOT NULL combined with an empty string as default value?
    – jarlh
    22 hours ago






  • 2




    Only you know what's the default value supposed to be, there's no default DEFAULT
    – dnoeth
    22 hours ago










2




2




Why NOT NULL combined with an empty string as default value?
– jarlh
22 hours ago




Why NOT NULL combined with an empty string as default value?
– jarlh
22 hours ago




2




2




Only you know what's the default value supposed to be, there's no default DEFAULT
– dnoeth
22 hours ago






Only you know what's the default value supposed to be, there's no default DEFAULT
– dnoeth
22 hours ago














1 Answer
1






active

oldest

votes

















up vote
0
down vote













I would be inclined to go with NULL values, instead of some default.



But, you can put in your own values if you follow the specified formats:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '0.0.0.0'::inet,

    "mac_address" macaddr NOT NULL DEFAULT '00-00-00-00-00-000'::macaddr,

    "status" varchar(64) NOT NULL DEFAULT ''

);





share|improve this answer





















  • NULL is better than empty string.
    – heha37
    5 hours ago











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1 Answer
1






active

oldest

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1 Answer
1






active

oldest

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active

oldest

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active

oldest

votes








up vote
0
down vote













I would be inclined to go with NULL values, instead of some default.



But, you can put in your own values if you follow the specified formats:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '0.0.0.0'::inet,

    "mac_address" macaddr NOT NULL DEFAULT '00-00-00-00-00-000'::macaddr,

    "status" varchar(64) NOT NULL DEFAULT ''

);





share|improve this answer





















  • NULL is better than empty string.
    – heha37
    5 hours ago















up vote
0
down vote













I would be inclined to go with NULL values, instead of some default.



But, you can put in your own values if you follow the specified formats:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '0.0.0.0'::inet,

    "mac_address" macaddr NOT NULL DEFAULT '00-00-00-00-00-000'::macaddr,

    "status" varchar(64) NOT NULL DEFAULT ''

);





share|improve this answer





















  • NULL is better than empty string.
    – heha37
    5 hours ago













up vote
0
down vote










up vote
0
down vote









I would be inclined to go with NULL values, instead of some default.



But, you can put in your own values if you follow the specified formats:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '0.0.0.0'::inet,

    "mac_address" macaddr NOT NULL DEFAULT '00-00-00-00-00-000'::macaddr,

    "status" varchar(64) NOT NULL DEFAULT ''

);





share|improve this answer












I would be inclined to go with NULL values, instead of some default.



But, you can put in your own values if you follow the specified formats:



CREATE TABLE IF NOT EXISTS "xxx" (

    "id" serial NOT NULL PRIMARY KEY,

    "ip" inet NOT NULL DEFAULT '0.0.0.0'::inet,

    "mac_address" macaddr NOT NULL DEFAULT '00-00-00-00-00-000'::macaddr,

    "status" varchar(64) NOT NULL DEFAULT ''

);






share|improve this answer












share|improve this answer



share|improve this answer










answered 20 hours ago









Gordon Linoff

744k32285390




744k32285390












  • NULL is better than empty string.
    – heha37
    5 hours ago


















  • NULL is better than empty string.
    – heha37
    5 hours ago
















NULL is better than empty string.
– heha37
5 hours ago




NULL is better than empty string.
– heha37
5 hours ago


















 

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