On Tue, Dec 27, 2016 at 9:39 AM, Rich Shepard <rshep...@appl-ecosys.com>
wrote:

>   I'm encountering DDL syntax errors using postgres-9.6.1 that I've not
> before seen, and I'm having a difficult time finding the cause when reading
> the appropriate sections of the manual; Section 5.3.1 in this case:
>

​5.3.1 is instructional.  The SQL Command chapter is the authoritative
source for syntax.


> CREATE TABLE Agencies (
>   org_name VARCHAR(48) PRIMARY KEY,
>   acronym VARCHAR(8) DEFAULT ' ',
>   org_lvl VARCHAR(8) DEFAULT 'State'
>      CONSTRAINT invalid_agency_level
>      CHECK org_lvl IN ('Federal', 'State', 'County', 'City', 'Local',
> 'Regional'),
>   website VARCHAR(64) DEFAULT ' ',
>   created_at TIMESTAMP,
>   created_by TEXT NOT NULL,
>   updated_at TIMESTAMP,
>   updated_by TEXT NOT NULL,
>   comment TEXT
> );
>
>   psql reports:
>
> :86: ERROR:  syntax error at or near "org_lvl"
> LINE 6:      CHECK org_lvl IN ('Federal', 'State', 'County', 'City',...
>                    ^
>   Having a default value or a named constraint makes no difference, and the
> maximum size of the org_lvl column is that of the longest string so I am
> not
> seeing the source of my error.
>

​https://www.postgresql.org/docs/9.6/static/sql-createtable.html

CHECK ( expression ) [ NO INHERIT ] |   -- you are missing the mandatory (
) surrounding your expression
​
All of the examples in 5.3.1 have a "(" following the word CHECK as well...


>   Where, other than Section 5.3.1 of the manual can I learn why there's an
> error?
> ​
>

If the error message in question doesn't provide a sufficient level of
detail I'm doubting that anything in the documentation is going to help
with diagnosis.

If you just mean where can you learn what is correct/expected then the SQL
Commands chapter is the authoritative source for syntax and usage.

David J.

​

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