198 lines
7.6 KiB
Plaintext
198 lines
7.6 KiB
Plaintext
--
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-- NAME
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-- all inputs are silently truncated at NAMEDATALEN-1 (63) characters
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--
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-- fixed-length by reference
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SELECT name 'name string' = name 'name string' AS "True";
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True
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------
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t
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(1 row)
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SELECT name 'name string' = name 'name string ' AS "False";
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False
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-------
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f
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(1 row)
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--
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--
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--
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CREATE TABLE NAME_TBL(f1 name);
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INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR');
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INSERT INTO NAME_TBL(f1) VALUES ('1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqr');
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INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
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INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
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INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
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INSERT INTO NAME_TBL(f1) VALUES ('');
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INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
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SELECT * FROM NAME_TBL;
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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asdfghjkl;
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343f%2a
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d34aaasdf
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(7 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 <> '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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-----------------------------------------------------------------
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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asdfghjkl;
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343f%2a
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d34aaasdf
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(5 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(2 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 < '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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----
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(1 row)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 <= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(3 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 > '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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-----------------------------------------------------------------
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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asdfghjkl;
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343f%2a
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d34aaasdf
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(4 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 >= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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asdfghjkl;
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343f%2a
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d34aaasdf
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(6 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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asdfghjkl;
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343f%2a
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d34aaasdf
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(7 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
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f1
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----
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(0 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
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f1
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-----------------------------------------------------------------
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
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343f%2a
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d34aaasdf
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1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
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(5 rows)
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SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
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f1
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------------
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asdfghjkl;
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d34aaasdf
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(2 rows)
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DROP TABLE NAME_TBL;
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DO $$
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DECLARE r text[];
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BEGIN
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r := parse_ident('Schemax.Tabley');
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RAISE NOTICE '%', format('%I.%I', r[1], r[2]);
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r := parse_ident('"SchemaX"."TableY"');
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RAISE NOTICE '%', format('%I.%I', r[1], r[2]);
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END;
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$$;
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NOTICE: schemax.tabley
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NOTICE: "SchemaX"."TableY"
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SELECT parse_ident('foo.boo');
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parse_ident
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-------------
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{foo,boo}
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(1 row)
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SELECT parse_ident('foo.boo[]'); -- should fail
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ERROR: string is not a valid identifier: "foo.boo[]"
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SELECT parse_ident('foo.boo[]', strict => false); -- ok
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parse_ident
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-------------
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{foo,boo}
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(1 row)
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-- should fail
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SELECT parse_ident(' ');
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ERROR: string is not a valid identifier: " "
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SELECT parse_ident(' .aaa');
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ERROR: string is not a valid identifier: " .aaa"
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DETAIL: No valid identifier before ".".
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SELECT parse_ident(' aaa . ');
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ERROR: string is not a valid identifier: " aaa . "
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DETAIL: No valid identifier after ".".
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SELECT parse_ident('aaa.a%b');
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ERROR: string is not a valid identifier: "aaa.a%b"
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SELECT parse_ident(E'X\rXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');
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ERROR: string is not a valid identifier: "X
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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SELECT length(a[1]), length(a[2]) from parse_ident('"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy') as a ;
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length | length
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--------+--------
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414 | 289
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(1 row)
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SELECT parse_ident(' first . " second " ." third ". " ' || repeat('x',66) || '"');
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parse_ident
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-----------------------------------------------------------------------------------------------------------
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{first," second "," third "," xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"}
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(1 row)
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SELECT parse_ident(' first . " second " ." third ". " ' || repeat('x',66) || '"')::name[];
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parse_ident
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------------------------------------------------------------------------------------------------------
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{first," second "," third "," xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"}
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(1 row)
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SELECT parse_ident(E'"c".X XXXX\002XXXXXX');
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ERROR: string is not a valid identifier: ""c".X XXXXXXXXXX"
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SELECT parse_ident('1020');
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ERROR: string is not a valid identifier: "1020"
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SELECT parse_ident('10.20');
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ERROR: string is not a valid identifier: "10.20"
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SELECT parse_ident('.');
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ERROR: string is not a valid identifier: "."
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DETAIL: No valid identifier before ".".
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SELECT parse_ident('.1020');
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ERROR: string is not a valid identifier: ".1020"
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DETAIL: No valid identifier before ".".
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SELECT parse_ident('xxx.1020');
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ERROR: string is not a valid identifier: "xxx.1020"
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DETAIL: No valid identifier after ".".
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