644 lines
21 KiB
SQL
644 lines
21 KiB
SQL
--
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-- STRINGS
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-- Test various data entry syntaxes.
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--
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-- SQL string continuation syntax
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-- E021-03 character string literals
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SELECT 'first line'
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' - next line'
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' - third line'
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AS "Three lines to one";
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-- illegal string continuation syntax
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SELECT 'first line'
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' - next line' /* this comment is not allowed here */
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' - third line'
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AS "Illegal comment within continuation";
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-- Unicode escapes
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SET standard_conforming_strings TO on;
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SELECT U&'d\0061t\+000061' AS U&"d\0061t\+000061";
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SELECT U&'d!0061t\+000061' UESCAPE '!' AS U&"d*0061t\+000061" UESCAPE '*';
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SELECT U&' \' UESCAPE '!' AS "tricky";
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SELECT 'tricky' AS U&"\" UESCAPE '!';
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SELECT U&'wrong: \061';
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SELECT U&'wrong: \+0061';
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SELECT U&'wrong: +0061' UESCAPE '+';
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SET standard_conforming_strings TO off;
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SELECT U&'d\0061t\+000061' AS U&"d\0061t\+000061";
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SELECT U&'d!0061t\+000061' UESCAPE '!' AS U&"d*0061t\+000061" UESCAPE '*';
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SELECT U&' \' UESCAPE '!' AS "tricky";
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SELECT 'tricky' AS U&"\" UESCAPE '!';
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SELECT U&'wrong: \061';
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SELECT U&'wrong: \+0061';
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SELECT U&'wrong: +0061' UESCAPE '+';
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RESET standard_conforming_strings;
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-- bytea
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SET bytea_output TO hex;
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SELECT E'\\xDeAdBeEf'::bytea;
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SELECT E'\\x De Ad Be Ef '::bytea;
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SELECT E'\\xDeAdBeE'::bytea;
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SELECT E'\\xDeAdBeEx'::bytea;
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SELECT E'\\xDe00BeEf'::bytea;
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SELECT E'DeAdBeEf'::bytea;
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SELECT E'De\\000dBeEf'::bytea;
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SELECT E'De\123dBeEf'::bytea;
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SELECT E'De\\123dBeEf'::bytea;
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SELECT E'De\\678dBeEf'::bytea;
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SET bytea_output TO escape;
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SELECT E'\\xDeAdBeEf'::bytea;
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SELECT E'\\x De Ad Be Ef '::bytea;
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SELECT E'\\xDe00BeEf'::bytea;
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SELECT E'DeAdBeEf'::bytea;
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SELECT E'De\\000dBeEf'::bytea;
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SELECT E'De\\123dBeEf'::bytea;
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--
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-- test conversions between various string types
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-- E021-10 implicit casting among the character data types
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--
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SELECT CAST(f1 AS text) AS "text(char)" FROM CHAR_TBL;
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SELECT CAST(f1 AS text) AS "text(varchar)" FROM VARCHAR_TBL;
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SELECT CAST(name 'namefield' AS text) AS "text(name)";
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-- since this is an explicit cast, it should truncate w/o error:
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SELECT CAST(f1 AS char(10)) AS "char(text)" FROM TEXT_TBL;
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-- note: implicit-cast case is tested in char.sql
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SELECT CAST(f1 AS char(20)) AS "char(text)" FROM TEXT_TBL;
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SELECT CAST(f1 AS char(10)) AS "char(varchar)" FROM VARCHAR_TBL;
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SELECT CAST(name 'namefield' AS char(10)) AS "char(name)";
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SELECT CAST(f1 AS varchar) AS "varchar(text)" FROM TEXT_TBL;
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SELECT CAST(f1 AS varchar) AS "varchar(char)" FROM CHAR_TBL;
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SELECT CAST(name 'namefield' AS varchar) AS "varchar(name)";
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--
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-- test SQL string functions
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-- E### and T### are feature reference numbers from SQL99
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--
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-- E021-09 trim function
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SELECT TRIM(BOTH FROM ' bunch o blanks ') = 'bunch o blanks' AS "bunch o blanks";
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SELECT TRIM(LEADING FROM ' bunch o blanks ') = 'bunch o blanks ' AS "bunch o blanks ";
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SELECT TRIM(TRAILING FROM ' bunch o blanks ') = ' bunch o blanks' AS " bunch o blanks";
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SELECT TRIM(BOTH 'x' FROM 'xxxxxsome Xsxxxxx') = 'some Xs' AS "some Xs";
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-- E021-06 substring expression
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SELECT SUBSTRING('1234567890' FROM 3) = '34567890' AS "34567890";
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SELECT SUBSTRING('1234567890' FROM 4 FOR 3) = '456' AS "456";
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-- T581 regular expression substring (with SQL's bizarre regexp syntax)
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SELECT SUBSTRING('abcdefg' FROM 'a#"(b_d)#"%' FOR '#') AS "bcd";
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-- No match should return NULL
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SELECT SUBSTRING('abcdefg' FROM '#"(b_d)#"%' FOR '#') IS NULL AS "True";
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-- Null inputs should return NULL
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SELECT SUBSTRING('abcdefg' FROM '%' FOR NULL) IS NULL AS "True";
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SELECT SUBSTRING(NULL FROM '%' FOR '#') IS NULL AS "True";
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SELECT SUBSTRING('abcdefg' FROM NULL FOR '#') IS NULL AS "True";
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-- The first and last parts should act non-greedy
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SELECT SUBSTRING('abcdefg' FROM 'a#"%#"g' FOR '#') AS "bcdef";
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SELECT SUBSTRING('abcdefg' FROM 'a*#"%#"g*' FOR '#') AS "abcdefg";
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-- Vertical bar in any part affects only that part
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SELECT SUBSTRING('abcdefg' FROM 'a|b#"%#"g' FOR '#') AS "bcdef";
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SELECT SUBSTRING('abcdefg' FROM 'a#"%#"x|g' FOR '#') AS "bcdef";
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SELECT SUBSTRING('abcdefg' FROM 'a#"%|ab#"g' FOR '#') AS "bcdef";
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-- Can't have more than two part separators
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SELECT SUBSTRING('abcdefg' FROM 'a*#"%#"g*#"x' FOR '#') AS "error";
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-- Postgres extension: with 0 or 1 separator, assume parts 1 and 3 are empty
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SELECT SUBSTRING('abcdefg' FROM 'a#"%g' FOR '#') AS "bcdefg";
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SELECT SUBSTRING('abcdefg' FROM 'a%g' FOR '#') AS "abcdefg";
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-- substring() with just two arguments is not allowed by SQL spec;
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-- we accept it, but we interpret the pattern as a POSIX regexp not SQL
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SELECT SUBSTRING('abcdefg' FROM 'c.e') AS "cde";
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-- With a parenthesized subexpression, return only what matches the subexpr
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SELECT SUBSTRING('abcdefg' FROM 'b(.*)f') AS "cde";
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-- Check behavior of SIMILAR TO, which uses largely the same regexp variant
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SELECT 'abcdefg' SIMILAR TO '_bcd%' AS true;
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SELECT 'abcdefg' SIMILAR TO 'bcd%' AS false;
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SELECT 'abcdefg' SIMILAR TO '_bcd#%' ESCAPE '#' AS false;
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SELECT 'abcd%' SIMILAR TO '_bcd#%' ESCAPE '#' AS true;
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-- Postgres uses '\' as the default escape character, which is not per spec
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SELECT 'abcdefg' SIMILAR TO '_bcd\%' AS false;
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-- and an empty string to mean "no escape", which is also not per spec
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SELECT 'abcd\efg' SIMILAR TO '_bcd\%' ESCAPE '' AS true;
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-- these behaviors are per spec, though:
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SELECT 'abcdefg' SIMILAR TO '_bcd%' ESCAPE NULL AS null;
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SELECT 'abcdefg' SIMILAR TO '_bcd#%' ESCAPE '##' AS error;
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-- Test back reference in regexp_replace
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SELECT regexp_replace('1112223333', E'(\\d{3})(\\d{3})(\\d{4})', E'(\\1) \\2-\\3');
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SELECT regexp_replace('AAA BBB CCC ', E'\\s+', ' ', 'g');
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SELECT regexp_replace('AAA', '^|$', 'Z', 'g');
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SELECT regexp_replace('AAA aaa', 'A+', 'Z', 'gi');
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-- invalid regexp option
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SELECT regexp_replace('AAA aaa', 'A+', 'Z', 'z');
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-- set so we can tell NULL from empty string
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\pset null '\\N'
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-- return all matches from regexp
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(beque)$re$);
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-- test case insensitive
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SELECT regexp_matches('foObARbEqUEbAz', $re$(bar)(beque)$re$, 'i');
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-- global option - more than one match
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SELECT regexp_matches('foobarbequebazilbarfbonk', $re$(b[^b]+)(b[^b]+)$re$, 'g');
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-- empty capture group (matched empty string)
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(.*)(beque)$re$);
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-- no match
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(.+)(beque)$re$);
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-- optional capture group did not match, null entry in array
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(.+)?(beque)$re$);
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-- no capture groups
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SELECT regexp_matches('foobarbequebaz', $re$barbeque$re$);
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-- start/end-of-line matches are of zero length
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SELECT regexp_matches('foo' || chr(10) || 'bar' || chr(10) || 'bequq' || chr(10) || 'baz', '^', 'mg');
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SELECT regexp_matches('foo' || chr(10) || 'bar' || chr(10) || 'bequq' || chr(10) || 'baz', '$', 'mg');
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SELECT regexp_matches('1' || chr(10) || '2' || chr(10) || '3' || chr(10) || '4' || chr(10), '^.?', 'mg');
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SELECT regexp_matches(chr(10) || '1' || chr(10) || '2' || chr(10) || '3' || chr(10) || '4' || chr(10), '.?$', 'mg');
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SELECT regexp_matches(chr(10) || '1' || chr(10) || '2' || chr(10) || '3' || chr(10) || '4', '.?$', 'mg');
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-- give me errors
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(beque)$re$, 'gz');
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SELECT regexp_matches('foobarbequebaz', $re$(barbeque$re$);
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SELECT regexp_matches('foobarbequebaz', $re$(bar)(beque){2,1}$re$);
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-- split string on regexp
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SELECT foo, length(foo) FROM regexp_split_to_table('the quick brown fox jumps over the lazy dog', $re$\s+$re$) AS foo;
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SELECT regexp_split_to_array('the quick brown fox jumps over the lazy dog', $re$\s+$re$);
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SELECT foo, length(foo) FROM regexp_split_to_table('the quick brown fox jumps over the lazy dog', $re$\s*$re$) AS foo;
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SELECT regexp_split_to_array('the quick brown fox jumps over the lazy dog', $re$\s*$re$);
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SELECT foo, length(foo) FROM regexp_split_to_table('the quick brown fox jumps over the lazy dog', '') AS foo;
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SELECT regexp_split_to_array('the quick brown fox jumps over the lazy dog', '');
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-- case insensitive
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SELECT foo, length(foo) FROM regexp_split_to_table('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'i') AS foo;
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SELECT regexp_split_to_array('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'i');
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-- no match of pattern
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SELECT foo, length(foo) FROM regexp_split_to_table('the quick brown fox jumps over the lazy dog', 'nomatch') AS foo;
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SELECT regexp_split_to_array('the quick brown fox jumps over the lazy dog', 'nomatch');
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-- some corner cases
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SELECT regexp_split_to_array('123456','1');
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SELECT regexp_split_to_array('123456','6');
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SELECT regexp_split_to_array('123456','.');
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SELECT regexp_split_to_array('123456','');
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SELECT regexp_split_to_array('123456','(?:)');
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SELECT regexp_split_to_array('1','');
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-- errors
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SELECT foo, length(foo) FROM regexp_split_to_table('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'zippy') AS foo;
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SELECT regexp_split_to_array('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'iz');
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-- global option meaningless for regexp_split
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SELECT foo, length(foo) FROM regexp_split_to_table('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'g') AS foo;
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SELECT regexp_split_to_array('thE QUick bROWn FOx jUMPs ovEr The lazy dOG', 'e', 'g');
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-- change NULL-display back
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\pset null ''
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-- E021-11 position expression
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SELECT POSITION('4' IN '1234567890') = '4' AS "4";
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SELECT POSITION('5' IN '1234567890') = '5' AS "5";
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-- T312 character overlay function
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SELECT OVERLAY('abcdef' PLACING '45' FROM 4) AS "abc45f";
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SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5) AS "yabadaba";
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SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5 FOR 0) AS "yabadabadoo";
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SELECT OVERLAY('babosa' PLACING 'ubb' FROM 2 FOR 4) AS "bubba";
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--
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-- test LIKE
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-- Be sure to form every test as a LIKE/NOT LIKE pair.
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--
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-- simplest examples
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-- E061-04 like predicate
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SELECT 'hawkeye' LIKE 'h%' AS "true";
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SELECT 'hawkeye' NOT LIKE 'h%' AS "false";
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SELECT 'hawkeye' LIKE 'H%' AS "false";
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SELECT 'hawkeye' NOT LIKE 'H%' AS "true";
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SELECT 'hawkeye' LIKE 'indio%' AS "false";
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SELECT 'hawkeye' NOT LIKE 'indio%' AS "true";
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SELECT 'hawkeye' LIKE 'h%eye' AS "true";
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SELECT 'hawkeye' NOT LIKE 'h%eye' AS "false";
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SELECT 'indio' LIKE '_ndio' AS "true";
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SELECT 'indio' NOT LIKE '_ndio' AS "false";
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SELECT 'indio' LIKE 'in__o' AS "true";
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SELECT 'indio' NOT LIKE 'in__o' AS "false";
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SELECT 'indio' LIKE 'in_o' AS "false";
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SELECT 'indio' NOT LIKE 'in_o' AS "true";
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-- unused escape character
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SELECT 'hawkeye' LIKE 'h%' ESCAPE '#' AS "true";
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SELECT 'hawkeye' NOT LIKE 'h%' ESCAPE '#' AS "false";
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SELECT 'indio' LIKE 'ind_o' ESCAPE '$' AS "true";
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SELECT 'indio' NOT LIKE 'ind_o' ESCAPE '$' AS "false";
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-- escape character
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-- E061-05 like predicate with escape clause
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SELECT 'h%' LIKE 'h#%' ESCAPE '#' AS "true";
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SELECT 'h%' NOT LIKE 'h#%' ESCAPE '#' AS "false";
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SELECT 'h%wkeye' LIKE 'h#%' ESCAPE '#' AS "false";
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SELECT 'h%wkeye' NOT LIKE 'h#%' ESCAPE '#' AS "true";
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SELECT 'h%wkeye' LIKE 'h#%%' ESCAPE '#' AS "true";
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SELECT 'h%wkeye' NOT LIKE 'h#%%' ESCAPE '#' AS "false";
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SELECT 'h%awkeye' LIKE 'h#%a%k%e' ESCAPE '#' AS "true";
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SELECT 'h%awkeye' NOT LIKE 'h#%a%k%e' ESCAPE '#' AS "false";
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SELECT 'indio' LIKE '_ndio' ESCAPE '$' AS "true";
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SELECT 'indio' NOT LIKE '_ndio' ESCAPE '$' AS "false";
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SELECT 'i_dio' LIKE 'i$_d_o' ESCAPE '$' AS "true";
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SELECT 'i_dio' NOT LIKE 'i$_d_o' ESCAPE '$' AS "false";
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SELECT 'i_dio' LIKE 'i$_nd_o' ESCAPE '$' AS "false";
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SELECT 'i_dio' NOT LIKE 'i$_nd_o' ESCAPE '$' AS "true";
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SELECT 'i_dio' LIKE 'i$_d%o' ESCAPE '$' AS "true";
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SELECT 'i_dio' NOT LIKE 'i$_d%o' ESCAPE '$' AS "false";
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-- escape character same as pattern character
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SELECT 'maca' LIKE 'm%aca' ESCAPE '%' AS "true";
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SELECT 'maca' NOT LIKE 'm%aca' ESCAPE '%' AS "false";
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SELECT 'ma%a' LIKE 'm%a%%a' ESCAPE '%' AS "true";
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SELECT 'ma%a' NOT LIKE 'm%a%%a' ESCAPE '%' AS "false";
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SELECT 'bear' LIKE 'b_ear' ESCAPE '_' AS "true";
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SELECT 'bear' NOT LIKE 'b_ear' ESCAPE '_' AS "false";
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SELECT 'be_r' LIKE 'b_e__r' ESCAPE '_' AS "true";
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SELECT 'be_r' NOT LIKE 'b_e__r' ESCAPE '_' AS "false";
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SELECT 'be_r' LIKE '__e__r' ESCAPE '_' AS "false";
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SELECT 'be_r' NOT LIKE '__e__r' ESCAPE '_' AS "true";
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--
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-- test ILIKE (case-insensitive LIKE)
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-- Be sure to form every test as an ILIKE/NOT ILIKE pair.
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--
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SELECT 'hawkeye' ILIKE 'h%' AS "true";
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SELECT 'hawkeye' NOT ILIKE 'h%' AS "false";
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SELECT 'hawkeye' ILIKE 'H%' AS "true";
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SELECT 'hawkeye' NOT ILIKE 'H%' AS "false";
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SELECT 'hawkeye' ILIKE 'H%Eye' AS "true";
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SELECT 'hawkeye' NOT ILIKE 'H%Eye' AS "false";
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SELECT 'Hawkeye' ILIKE 'h%' AS "true";
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SELECT 'Hawkeye' NOT ILIKE 'h%' AS "false";
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--
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-- test %/_ combination cases, cf bugs #4821 and #5478
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--
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SELECT 'foo' LIKE '_%' as t, 'f' LIKE '_%' as t, '' LIKE '_%' as f;
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SELECT 'foo' LIKE '%_' as t, 'f' LIKE '%_' as t, '' LIKE '%_' as f;
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SELECT 'foo' LIKE '__%' as t, 'foo' LIKE '___%' as t, 'foo' LIKE '____%' as f;
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SELECT 'foo' LIKE '%__' as t, 'foo' LIKE '%___' as t, 'foo' LIKE '%____' as f;
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SELECT 'jack' LIKE '%____%' AS t;
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--
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-- basic tests of LIKE with indexes
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--
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CREATE TABLE texttest (a text PRIMARY KEY, b int);
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SELECT * FROM texttest WHERE a LIKE '%1%';
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CREATE TABLE byteatest (a bytea PRIMARY KEY, b int);
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SELECT * FROM byteatest WHERE a LIKE '%1%';
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DROP TABLE texttest, byteatest;
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--
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-- test implicit type conversion
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--
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-- E021-07 character concatenation
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SELECT 'unknown' || ' and unknown' AS "Concat unknown types";
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SELECT text 'text' || ' and unknown' AS "Concat text to unknown type";
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SELECT char(20) 'characters' || ' and text' AS "Concat char to unknown type";
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SELECT text 'text' || char(20) ' and characters' AS "Concat text to char";
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SELECT text 'text' || varchar ' and varchar' AS "Concat text to varchar";
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--
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-- test substr with toasted text values
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--
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CREATE TABLE toasttest(f1 text);
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insert into toasttest values(repeat('1234567890',10000));
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insert into toasttest values(repeat('1234567890',10000));
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--
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-- Ensure that some values are uncompressed, to test the faster substring
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-- operation used in that case
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--
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alter table toasttest alter column f1 set storage external;
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insert into toasttest values(repeat('1234567890',10000));
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insert into toasttest values(repeat('1234567890',10000));
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-- If the starting position is zero or less, then return from the start of the string
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-- adjusting the length to be consistent with the "negative start" per SQL.
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SELECT substr(f1, -1, 5) from toasttest;
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-- If the length is less than zero, an ERROR is thrown.
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SELECT substr(f1, 5, -1) from toasttest;
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-- If no third argument (length) is provided, the length to the end of the
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-- string is assumed.
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SELECT substr(f1, 99995) from toasttest;
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-- If start plus length is > string length, the result is truncated to
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-- string length
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SELECT substr(f1, 99995, 10) from toasttest;
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TRUNCATE TABLE toasttest;
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INSERT INTO toasttest values (repeat('1234567890',300));
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INSERT INTO toasttest values (repeat('1234567890',300));
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INSERT INTO toasttest values (repeat('1234567890',300));
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INSERT INTO toasttest values (repeat('1234567890',300));
|
|
-- expect >0 blocks
|
|
SELECT pg_relation_size(reltoastrelid) = 0 AS is_empty
|
|
FROM pg_class where relname = 'toasttest';
|
|
|
|
TRUNCATE TABLE toasttest;
|
|
ALTER TABLE toasttest set (toast_tuple_target = 4080);
|
|
INSERT INTO toasttest values (repeat('1234567890',300));
|
|
INSERT INTO toasttest values (repeat('1234567890',300));
|
|
INSERT INTO toasttest values (repeat('1234567890',300));
|
|
INSERT INTO toasttest values (repeat('1234567890',300));
|
|
-- expect 0 blocks
|
|
SELECT pg_relation_size(reltoastrelid) = 0 AS is_empty
|
|
FROM pg_class where relname = 'toasttest';
|
|
|
|
DROP TABLE toasttest;
|
|
|
|
--
|
|
-- test substr with toasted bytea values
|
|
--
|
|
CREATE TABLE toasttest(f1 bytea);
|
|
|
|
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
|
|
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
|
|
|
|
--
|
|
-- Ensure that some values are uncompressed, to test the faster substring
|
|
-- operation used in that case
|
|
--
|
|
alter table toasttest alter column f1 set storage external;
|
|
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
|
|
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
|
|
|
|
-- If the starting position is zero or less, then return from the start of the string
|
|
-- adjusting the length to be consistent with the "negative start" per SQL.
|
|
SELECT substr(f1, -1, 5) from toasttest;
|
|
|
|
-- If the length is less than zero, an ERROR is thrown.
|
|
SELECT substr(f1, 5, -1) from toasttest;
|
|
|
|
-- If no third argument (length) is provided, the length to the end of the
|
|
-- string is assumed.
|
|
SELECT substr(f1, 99995) from toasttest;
|
|
|
|
-- If start plus length is > string length, the result is truncated to
|
|
-- string length
|
|
SELECT substr(f1, 99995, 10) from toasttest;
|
|
|
|
DROP TABLE toasttest;
|
|
|
|
-- test internally compressing datums
|
|
|
|
-- this tests compressing a datum to a very small size which exercises a
|
|
-- corner case in packed-varlena handling: even though small, the compressed
|
|
-- datum must be given a 4-byte header because there are no bits to indicate
|
|
-- compression in a 1-byte header
|
|
|
|
CREATE TABLE toasttest (c char(4096));
|
|
INSERT INTO toasttest VALUES('x');
|
|
SELECT length(c), c::text FROM toasttest;
|
|
SELECT c FROM toasttest;
|
|
DROP TABLE toasttest;
|
|
|
|
--
|
|
-- test length
|
|
--
|
|
|
|
SELECT length('abcdef') AS "length_6";
|
|
|
|
--
|
|
-- test strpos
|
|
--
|
|
|
|
SELECT strpos('abcdef', 'cd') AS "pos_3";
|
|
|
|
SELECT strpos('abcdef', 'xy') AS "pos_0";
|
|
|
|
--
|
|
-- test replace
|
|
--
|
|
SELECT replace('abcdef', 'de', '45') AS "abc45f";
|
|
|
|
SELECT replace('yabadabadoo', 'ba', '123') AS "ya123da123doo";
|
|
|
|
SELECT replace('yabadoo', 'bad', '') AS "yaoo";
|
|
|
|
--
|
|
-- test split_part
|
|
--
|
|
select split_part('joeuser@mydatabase','@',0) AS "an error";
|
|
|
|
select split_part('joeuser@mydatabase','@',1) AS "joeuser";
|
|
|
|
select split_part('joeuser@mydatabase','@',2) AS "mydatabase";
|
|
|
|
select split_part('joeuser@mydatabase','@',3) AS "empty string";
|
|
|
|
select split_part('@joeuser@mydatabase@','@',2) AS "joeuser";
|
|
|
|
--
|
|
-- test to_hex
|
|
--
|
|
select to_hex(256*256*256 - 1) AS "ffffff";
|
|
|
|
select to_hex(256::bigint*256::bigint*256::bigint*256::bigint - 1) AS "ffffffff";
|
|
|
|
--
|
|
-- MD5 test suite - from IETF RFC 1321
|
|
-- (see: ftp://ftp.rfc-editor.org/in-notes/rfc1321.txt)
|
|
--
|
|
select md5('') = 'd41d8cd98f00b204e9800998ecf8427e' AS "TRUE";
|
|
|
|
select md5('a') = '0cc175b9c0f1b6a831c399e269772661' AS "TRUE";
|
|
|
|
select md5('abc') = '900150983cd24fb0d6963f7d28e17f72' AS "TRUE";
|
|
|
|
select md5('message digest') = 'f96b697d7cb7938d525a2f31aaf161d0' AS "TRUE";
|
|
|
|
select md5('abcdefghijklmnopqrstuvwxyz') = 'c3fcd3d76192e4007dfb496cca67e13b' AS "TRUE";
|
|
|
|
select md5('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789') = 'd174ab98d277d9f5a5611c2c9f419d9f' AS "TRUE";
|
|
|
|
select md5('12345678901234567890123456789012345678901234567890123456789012345678901234567890') = '57edf4a22be3c955ac49da2e2107b67a' AS "TRUE";
|
|
|
|
select md5(''::bytea) = 'd41d8cd98f00b204e9800998ecf8427e' AS "TRUE";
|
|
|
|
select md5('a'::bytea) = '0cc175b9c0f1b6a831c399e269772661' AS "TRUE";
|
|
|
|
select md5('abc'::bytea) = '900150983cd24fb0d6963f7d28e17f72' AS "TRUE";
|
|
|
|
select md5('message digest'::bytea) = 'f96b697d7cb7938d525a2f31aaf161d0' AS "TRUE";
|
|
|
|
select md5('abcdefghijklmnopqrstuvwxyz'::bytea) = 'c3fcd3d76192e4007dfb496cca67e13b' AS "TRUE";
|
|
|
|
select md5('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'::bytea) = 'd174ab98d277d9f5a5611c2c9f419d9f' AS "TRUE";
|
|
|
|
select md5('12345678901234567890123456789012345678901234567890123456789012345678901234567890'::bytea) = '57edf4a22be3c955ac49da2e2107b67a' AS "TRUE";
|
|
|
|
--
|
|
-- SHA-2
|
|
--
|
|
SET bytea_output TO hex;
|
|
|
|
SELECT sha224('');
|
|
SELECT sha224('The quick brown fox jumps over the lazy dog.');
|
|
|
|
SELECT sha256('');
|
|
SELECT sha256('The quick brown fox jumps over the lazy dog.');
|
|
|
|
SELECT sha384('');
|
|
SELECT sha384('The quick brown fox jumps over the lazy dog.');
|
|
|
|
SELECT sha512('');
|
|
SELECT sha512('The quick brown fox jumps over the lazy dog.');
|
|
|
|
--
|
|
-- test behavior of escape_string_warning and standard_conforming_strings options
|
|
--
|
|
set escape_string_warning = off;
|
|
set standard_conforming_strings = off;
|
|
|
|
show escape_string_warning;
|
|
show standard_conforming_strings;
|
|
|
|
set escape_string_warning = on;
|
|
set standard_conforming_strings = on;
|
|
|
|
show escape_string_warning;
|
|
show standard_conforming_strings;
|
|
|
|
select 'a\bcd' as f1, 'a\b''cd' as f2, 'a\b''''cd' as f3, 'abcd\' as f4, 'ab\''cd' as f5, '\\' as f6;
|
|
|
|
set standard_conforming_strings = off;
|
|
|
|
select 'a\\bcd' as f1, 'a\\b\'cd' as f2, 'a\\b\'''cd' as f3, 'abcd\\' as f4, 'ab\\\'cd' as f5, '\\\\' as f6;
|
|
|
|
set escape_string_warning = off;
|
|
set standard_conforming_strings = on;
|
|
|
|
select 'a\bcd' as f1, 'a\b''cd' as f2, 'a\b''''cd' as f3, 'abcd\' as f4, 'ab\''cd' as f5, '\\' as f6;
|
|
|
|
set standard_conforming_strings = off;
|
|
|
|
select 'a\\bcd' as f1, 'a\\b\'cd' as f2, 'a\\b\'''cd' as f3, 'abcd\\' as f4, 'ab\\\'cd' as f5, '\\\\' as f6;
|
|
|
|
|
|
--
|
|
-- Additional string functions
|
|
--
|
|
SET bytea_output TO escape;
|
|
|
|
SELECT initcap('hi THOMAS');
|
|
|
|
SELECT lpad('hi', 5, 'xy');
|
|
SELECT lpad('hi', 5);
|
|
SELECT lpad('hi', -5, 'xy');
|
|
SELECT lpad('hello', 2);
|
|
SELECT lpad('hi', 5, '');
|
|
|
|
SELECT rpad('hi', 5, 'xy');
|
|
SELECT rpad('hi', 5);
|
|
SELECT rpad('hi', -5, 'xy');
|
|
SELECT rpad('hello', 2);
|
|
SELECT rpad('hi', 5, '');
|
|
|
|
SELECT ltrim('zzzytrim', 'xyz');
|
|
|
|
SELECT translate('', '14', 'ax');
|
|
SELECT translate('12345', '14', 'ax');
|
|
|
|
SELECT ascii('x');
|
|
SELECT ascii('');
|
|
|
|
SELECT chr(65);
|
|
SELECT chr(0);
|
|
|
|
SELECT repeat('Pg', 4);
|
|
SELECT repeat('Pg', -4);
|
|
|
|
SELECT trim(E'\\000'::bytea from E'\\000Tom\\000'::bytea);
|
|
SELECT btrim(E'\\000trim\\000'::bytea, E'\\000'::bytea);
|
|
SELECT btrim(''::bytea, E'\\000'::bytea);
|
|
SELECT btrim(E'\\000trim\\000'::bytea, ''::bytea);
|
|
SELECT encode(overlay(E'Th\\000omas'::bytea placing E'Th\\001omas'::bytea from 2),'escape');
|
|
SELECT encode(overlay(E'Th\\000omas'::bytea placing E'\\002\\003'::bytea from 8),'escape');
|
|
SELECT encode(overlay(E'Th\\000omas'::bytea placing E'\\002\\003'::bytea from 5 for 3),'escape');
|