mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-22 01:23:23 +02:00
274 lines
9.3 KiB
Plaintext
274 lines
9.3 KiB
Plaintext
-- Test Comment / Drop
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create domain domaindroptest int4;
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comment on domain domaindroptest is 'About to drop this..';
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-- currently this will be disallowed
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create domain basetypetest domaindroptest;
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ERROR: DefineDomain: domaindroptest is not a basetype
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drop domain domaindroptest;
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-- this should fail because already gone
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drop domain domaindroptest cascade;
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ERROR: Type "domaindroptest" does not exist
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-- TEST Domains.
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create domain domainvarchar varchar(5);
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create domain domainnumeric numeric(8,2);
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create domain domainint4 int4;
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create domain domaintext text;
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-- Test explicit coercions --- these should succeed (and truncate)
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SELECT cast('123456' as domainvarchar);
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domainvarchar
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---------------
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12345
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(1 row)
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SELECT cast('12345' as domainvarchar);
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domainvarchar
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---------------
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12345
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(1 row)
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-- Test tables using domains
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create table basictest
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( testint4 domainint4
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, testtext domaintext
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, testvarchar domainvarchar
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, testnumeric domainnumeric
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);
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INSERT INTO basictest values ('88', 'haha', 'short', '123.12'); -- Good
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INSERT INTO basictest values ('88', 'haha', 'short text', '123.12'); -- Bad varchar
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ERROR: value too long for type character varying(5)
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INSERT INTO basictest values ('88', 'haha', 'short', '123.1212'); -- Truncate numeric
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-- Test copy
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COPY basictest (testvarchar) FROM stdin; -- fail
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ERROR: copy: line 1, value too long for type character varying(5)
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lost synchronization with server, resetting connection
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SET autocommit TO 'on';
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COPY basictest (testvarchar) FROM stdin;
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select * from basictest;
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testint4 | testtext | testvarchar | testnumeric
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----------+----------+-------------+-------------
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88 | haha | short | 123.12
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88 | haha | short | 123.12
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| | short |
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(3 rows)
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-- check that domains inherit operations from base types
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select testtext || testvarchar as concat, testnumeric + 42 as sum
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from basictest;
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concat | sum
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-----------+--------
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hahashort | 165.12
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hahashort | 165.12
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(3 rows)
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drop table basictest;
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drop domain domainvarchar restrict;
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drop domain domainnumeric restrict;
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drop domain domainint4 restrict;
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drop domain domaintext;
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-- Array Test
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create domain domainint4arr int4[1];
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create domain domaintextarr text[2][3];
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create table domarrtest
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( testint4arr domainint4arr
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, testtextarr domaintextarr
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);
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INSERT INTO domarrtest values ('{2,2}', '{{"a","b"}{"c","d"}}');
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INSERT INTO domarrtest values ('{{2,2}{2,2}}', '{{"a","b"}}');
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INSERT INTO domarrtest values ('{2,2}', '{{"a","b"}{"c","d"}{"e"}}');
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INSERT INTO domarrtest values ('{2,2}', '{{"a"}{"c"}}');
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INSERT INTO domarrtest values (NULL, '{{"a","b"}{"c","d","e"}}');
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select * from domarrtest;
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testint4arr | testtextarr
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---------------+---------------------
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{2,2} | {{a,c},{"",d}}
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{{2,2},{0,2}} | {{a,b}}
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{2,2} | {{a},{c},{e}}
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{2,2} | {{c},{""}}
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| {{a,c,""},{"",d,e}}
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(5 rows)
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select testint4arr[1], testtextarr[2:2] from domarrtest;
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testint4arr | testtextarr
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-------------+-------------
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2 | {{"",d}}
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2 | {{c}}
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2 | {{""}}
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| {{"",d,e}}
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(5 rows)
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drop table domarrtest;
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drop domain domainint4arr restrict;
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drop domain domaintextarr restrict;
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create domain dnotnull varchar(15) NOT NULL;
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create domain dnull varchar(15);
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create domain dcheck varchar(15) NOT NULL CHECK (VALUE = 'a' OR VALUE = 'c' OR VALUE = 'd');
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create table nulltest
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( col1 dnotnull
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, col2 dnotnull NULL -- NOT NULL in the domain cannot be overridden
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, col3 dnull NOT NULL
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, col4 dnull
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, col5 dcheck CHECK (col5 IN ('c', 'd'))
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);
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INSERT INTO nulltest DEFAULT VALUES;
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ERROR: Domain dnotnull does not allow NULL values
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INSERT INTO nulltest values ('a', 'b', 'c', 'd', 'c'); -- Good
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insert into nulltest values ('a', 'b', 'c', 'd', NULL);
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ERROR: ExecEvalConstraintTest: Domain dcheck constraint $1 failed
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insert into nulltest values ('a', 'b', 'c', 'd', 'a');
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ERROR: ExecInsert: rejected due to CHECK constraint "nulltest_col5" on "nulltest"
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INSERT INTO nulltest values (NULL, 'b', 'c', 'd', 'd');
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ERROR: Domain dnotnull does not allow NULL values
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INSERT INTO nulltest values ('a', NULL, 'c', 'd', 'c');
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ERROR: Domain dnotnull does not allow NULL values
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INSERT INTO nulltest values ('a', 'b', NULL, 'd', 'c');
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ERROR: ExecInsert: Fail to add null value in not null attribute col3
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INSERT INTO nulltest values ('a', 'b', 'c', NULL, 'd'); -- Good
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-- Test copy
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COPY nulltest FROM stdin; --fail
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ERROR: copy: line 1, ExecEvalConstraintTest: Domain dcheck constraint $1 failed
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lost synchronization with server, resetting connection
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SET autocommit TO 'on';
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-- Last row is bad
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COPY nulltest FROM stdin;
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ERROR: copy: line 3, CopyFrom: rejected due to CHECK constraint "nulltest_col5" on "nulltest"
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lost synchronization with server, resetting connection
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select * from nulltest;
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col1 | col2 | col3 | col4 | col5
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------+------+------+------+------
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a | b | c | d | c
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a | b | c | | d
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(2 rows)
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-- Test out coerced (casted) constraints
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SELECT cast('1' as dnotnull);
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dnotnull
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----------
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1
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(1 row)
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SELECT cast(NULL as dnotnull); -- fail
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ERROR: Domain dnotnull does not allow NULL values
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SELECT cast(cast(NULL as dnull) as dnotnull); -- fail
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ERROR: Domain dnotnull does not allow NULL values
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SELECT cast(col4 as dnotnull) from nulltest; -- fail
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ERROR: Domain dnotnull does not allow NULL values
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-- cleanup
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drop table nulltest;
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drop domain dnotnull restrict;
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drop domain dnull restrict;
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drop domain dcheck restrict;
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create domain ddef1 int4 DEFAULT 3;
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create domain ddef2 oid DEFAULT '12';
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-- Type mixing, function returns int8
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create domain ddef3 text DEFAULT 5;
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create sequence ddef4_seq;
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create domain ddef4 int4 DEFAULT nextval(cast('ddef4_seq' as text));
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create domain ddef5 numeric(8,2) NOT NULL DEFAULT '12.12';
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create table defaulttest
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( col1 ddef1
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, col2 ddef2
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, col3 ddef3
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, col4 ddef4 PRIMARY KEY
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, col5 ddef1 NOT NULL DEFAULT NULL
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, col6 ddef2 DEFAULT '88'
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, col7 ddef4 DEFAULT 8000
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, col8 ddef5
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);
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'defaulttest_pkey' for table 'defaulttest'
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insert into defaulttest default values;
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insert into defaulttest default values;
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insert into defaulttest default values;
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-- Test defaults with copy
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COPY defaulttest(col5) FROM stdin;
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select * from defaulttest;
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col1 | col2 | col3 | col4 | col5 | col6 | col7 | col8
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------+------+------+------+------+------+------+-------
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3 | 12 | 5 | 1 | 3 | 88 | 8000 | 12.12
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3 | 12 | 5 | 2 | 3 | 88 | 8000 | 12.12
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3 | 12 | 5 | 3 | 3 | 88 | 8000 | 12.12
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3 | 12 | 5 | 4 | 42 | 88 | 8000 | 12.12
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(4 rows)
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drop sequence ddef4_seq;
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drop table defaulttest cascade;
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-- Test ALTER DOMAIN .. NOT NULL
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create domain dnotnulltest integer;
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create table domnotnull
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( col1 dnotnulltest
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, col2 dnotnulltest
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);
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insert into domnotnull default values;
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alter domain dnotnulltest set not null; -- fails
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ERROR: ALTER DOMAIN: Relation "domnotnull" Attribute "col1" contains NULL values
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update domnotnull set col1 = 5;
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alter domain dnotnulltest set not null; -- fails
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ERROR: ALTER DOMAIN: Relation "domnotnull" Attribute "col2" contains NULL values
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update domnotnull set col2 = 6;
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alter domain dnotnulltest set not null;
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alter domain dnotnulltest set not null; -- fails
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ERROR: AlterDomain: dnotnulltest is already set to NOT NULL
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update domnotnull set col1 = null; -- fails
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ERROR: Domain dnotnulltest does not allow NULL values
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alter domain dnotnulltest drop not null;
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alter domain dnotnulltest drop not null; -- fails
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ERROR: AlterDomain: dnotnulltest is already set to NULL
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update domnotnull set col1 = null;
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drop domain dnotnulltest cascade;
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NOTICE: Drop cascades to table domnotnull column col2
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NOTICE: Drop cascades to table domnotnull column col1
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-- Test ALTER DOMAIN .. DEFAULT ..
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create table domdeftest (col1 ddef1);
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insert into domdeftest default values;
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select * from domdeftest;
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col1
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------
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3
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(1 row)
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alter domain ddef1 set default '42';
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insert into domdeftest default values;
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select * from domdeftest;
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col1
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------
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3
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42
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(2 rows)
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alter domain ddef1 drop default;
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insert into domdeftest default values;
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select * from domdeftest;
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col1
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------
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3
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42
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(3 rows)
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drop table domdeftest;
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-- Test ALTER DOMAIN .. CONSTRAINT ..
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create domain con as integer;
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create table domcontest (col1 con);
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insert into domcontest values (1);
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insert into domcontest values (2);
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alter domain con add constraint t check (VALUE < 1); -- fails
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ERROR: AlterDomainAddConstraint: Domain con constraint t failed
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alter domain con add constraint t check (VALUE < 34);
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alter domain con add check (VALUE > 0);
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insert into domcontest values (-5); -- fails
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ERROR: ExecEvalConstraintTest: Domain con constraint $1 failed
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insert into domcontest values (42); -- fails
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ERROR: ExecEvalConstraintTest: Domain con constraint t failed
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insert into domcontest values (5);
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alter domain con drop constraint t;
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insert into domcontest values (-5); --fails
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ERROR: ExecEvalConstraintTest: Domain con constraint $1 failed
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insert into domcontest values (42);
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-- cleanup
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drop domain ddef1 restrict;
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drop domain ddef2 restrict;
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drop domain ddef3 restrict;
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drop domain ddef4 restrict;
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drop domain ddef5 restrict;
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