On 10/11/13 09:18, Gavin Flower wrote:
On 10/11/13 02:38, Alban Hertroys wrote:
On Nov 9, 2013, at 12:08, abdullatheef<latheefvkp...@gmail.com> wrote:
>you can include newline in postgre using literal E
>
>create table table (text varchar(50));
>insert into Table (text) values (E'This is the first part \\n And this is
>the second');
Or like this:
development=> begin;
BEGIN
development=> create table t1 (text text);
CREATE TABLE
development=> insert into t1 values ('This is line 1.
development'> This is line 2.');
INSERT 0 1
development=> select * from t1;
text
-----------------
This is line 1.+
This is line 2.
(1 row)
Alban Hertroys
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The second methods have different characteristics...
-- test.sql
CREATE TABLE t1
(
id SERIAL PRIMARY KEY,
payload text
);
-- method 1
INSERT INTO t1
(payload)
VALUES
(E'This is the first part \\n And this is the second');
-- method 2
INSERT INTO t1
(payload)
VALUES
('This is line 1.
This is line 2.');
TABLE t1;
######## results:
gavin=> \i test.sql
DROP TABLE
psql:SQL.sql:8: NOTICE: CREATE TABLE will create implicit sequence
"t1_id_seq" for serial column "t1.id"
psql:SQL.sql:8: NOTICE: CREATE TABLE / PRIMARY KEY will create
implicit index "t1_pkey" for table "t1"
CREATE TABLE
INSERT 0 1
INSERT 0 1
id | payload
----+--------------------------------------------------
1 | This is the first part \n And this is the second
2 | This is line 1. +
| This is line 2.
(2 rows)
Cheers,
Gavin
I had another thought...
I redid the above, and included at test with 'E' & '\n' - just one slash
before the 'n'. The other changes are mostly cosmetic.
So now we have 2 methods that produce identical output (ignoring the id).
/*
* Split lines text values
*
* splitline01.sql
*/
DROP TABLE IF EXISTS t1;
CREATE TABLE t1
(
id SERIAL PRIMARY KEY,
payload text
);
-- method 1
INSERT INTO t1
(payload)
VALUES
(E'This is the first part \\nAnd this is the second');
-- method 2
INSERT INTO t1
(payload)
VALUES
(E'This is the first part \nAnd this is the second');
-- method 3
INSERT INTO t1
(payload)
VALUES
('This is the first part
And this is the second');
TABLE t1;
##################################
gavin=> \i splitline01.sql
DROP TABLE
psql:splitline01.sql:12: NOTICE: CREATE TABLE will create implicit
sequence "t1_id_seq" for serial column "t1.id"
psql:splitline01.sql:12: NOTICE: CREATE TABLE / PRIMARY KEY will create
implicit index "t1_pkey" for table "t1"
CREATE TABLE
INSERT 0 1
INSERT 0 1
INSERT 0 1
id | payload
----+--------------------------------------------------
1 | This is the first part \n And this is the second
2 | This is the first part +
| And this is the second
3 | This is the first part +
| And this is the second
(3 rows)
Cheers,
Gavin
