forked from huawei/openGauss-server
missing code of 3f3b578e1074a00bfe3bcd51c34d45eae06a5f72: char/varchar length count.
This commit is contained in:
gentle_hu
parent
f3e27c51bc
commit
f3c1d59045
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@ -675,7 +675,7 @@ Datum bpcharlen(PG_FUNCTION_ARGS)
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int len;
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/* get number of bytes, ignoring trailing spaces */
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if (DB_IS_CMPT(PG_FORMAT)) {
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if (DB_IS_CMPT(PG_FORMAT | B_FORMAT)) {
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len = bcTruelen(arg);
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} else {
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len = VARSIZE_ANY_EXHDR(arg);
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@ -921,8 +921,8 @@ template<bool calCharLength> int MbCharClipLen(const char* mbstr, int len, int l
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*/
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int pg_mbcharcliplen(const char* mbstr, int len, int limit)
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{
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bool pgFormat = DB_IS_CMPT(PG_FORMAT);
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if (pgFormat) {
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bool calCharLength = DB_IS_CMPT(PG_FORMAT | B_FORMAT);
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if (calCharLength) {
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return MbCharClipLen<true>(mbstr, len, limit);
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} else {
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return MbCharClipLen<false>(mbstr, len, limit);
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@ -269,9 +269,9 @@ select cast('s' as int);
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--------------- limit #,#-------------------
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-- limit case in postgresql
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\c regression
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create table test(a int);
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insert into test values (1),(2),(3),(4),(5);
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select * from test order by 1 limit 2,3;
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create table test_limit(a int);
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insert into test_limit values (1),(2),(3),(4),(5);
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select * from test_limit order by 1 limit 2,3;
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a
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---
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3
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@ -279,7 +279,7 @@ select * from test order by 1 limit 2,3;
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5
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(3 rows)
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select * from test order by 1 limit 2,6;
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select * from test_limit order by 1 limit 2,6;
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a
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---
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3
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@ -287,17 +287,17 @@ select * from test order by 1 limit 2,6;
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5
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(3 rows)
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select * from test order by 1 limit 6,2;
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select * from test_limit order by 1 limit 6,2;
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a
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---
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(0 rows)
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drop table test;
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drop table test_limit;
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-- limit case in b
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\c b
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create table test(a int);
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insert into test values (1),(2),(3),(4),(5);
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select * from test order by 1 limit 2,3;
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create table test_limit(a int);
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insert into test_limit values (1),(2),(3),(4),(5);
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select * from test_limit order by 1 limit 2,3;
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a
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---
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3
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@ -305,7 +305,7 @@ select * from test order by 1 limit 2,3;
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5
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(3 rows)
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select * from test order by 1 limit 2,6;
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select * from test_limit order by 1 limit 2,6;
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a
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---
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3
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@ -313,12 +313,12 @@ select * from test order by 1 limit 2,6;
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5
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(3 rows)
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select * from test order by 1 limit 6,2;
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select * from test_limit order by 1 limit 6,2;
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a
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---
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(0 rows)
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drop table test;
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drop table test_limit;
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--------------timestampdiff-----------------
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-- timestamp with time zone
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-- timestamp1 > timestamp2
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@ -634,8 +634,8 @@ select timestampdiff(second, '2018-01-01', now());
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(1 row)
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select timestampdiff(microsecond, '2018-01-01', now());
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timestamp_diff
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----------------
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timestamp_diff
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-----------------
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--?.*
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(1 row)
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@ -731,5 +731,79 @@ select timestampdiff(microsecond, '2018-01-01 01:01:01.000001', b) from timestam
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(1 row)
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drop table timestamp;
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-- test char/varchar length
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create table char_test(a char(10),b varchar(10));
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insert into char_test values('零一二三四五六七八九','零一二三四五六七八九');
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insert into char_test values('零1二3四5六7八9','零1二3四5六7八9');
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insert into char_test values('零1二3四5六7八9','零1二3四5六7八90');
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ERROR: value too long for type character varying(10)
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CONTEXT: referenced column: b
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insert into char_test values('零1二3四5六7八90','零1二3四5六7八9');
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ERROR: value too long for type character(10)
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CONTEXT: referenced column: a
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insert into char_test values('零0','零1二3');
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insert into char_test values('零0 ','零1二3');
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insert into char_test values('零0','零1二3 ');
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insert into char_test values('','');
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insert into char_test values(null,null);
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insert into char_test values('0','0');
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select length(a),length(b) from char_test;
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length | length
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--------+--------
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10 | 10
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10 | 10
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2 | 4
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2 | 4
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2 | 6
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0 | 0
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1 | 1
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(8 rows)
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select lengthb(a),lengthb(b) from char_test;
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lengthb | lengthb
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---------+---------
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30 | 30
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20 | 20
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10 | 8
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10 | 8
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10 | 10
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10 | 0
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10 | 1
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(8 rows)
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select bit_length(a),bit_length(b) from char_test;
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bit_length | bit_length
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------------+------------
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240 | 240
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160 | 160
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32 | 64
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32 | 64
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32 | 80
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0 | 0
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8 | 8
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(8 rows)
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create index a on char_test(a);
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create index b on char_test(b);
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set enable_seqscan to off;
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select * from char_test where a = '零0';
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a | b
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-----------+----------
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零0 | 零1二3
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零0 | 零1二3
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零0 | 零1二3
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(3 rows)
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select * from char_test where b = '零1二3';
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a | b
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-----------+--------
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零0 | 零1二3
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零0 | 零1二3
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(2 rows)
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drop table char_test;
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\c regression
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drop database b;
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@ -749,7 +749,7 @@ test: copy2 temp
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test: truncate
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#test: temp_table
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#test: b_compatibility
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test: b_compatibility
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test: hw_compatibility
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test: hw_groupingsets hw_row_grouping_set
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test: char_truncation_common char_truncation_cast
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@ -82,21 +82,21 @@ select cast('s' as int);
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--------------- limit #,#-------------------
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-- limit case in postgresql
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\c regression
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create table test(a int);
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insert into test values (1),(2),(3),(4),(5);
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select * from test order by 1 limit 2,3;
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select * from test order by 1 limit 2,6;
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select * from test order by 1 limit 6,2;
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drop table test;
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create table test_limit(a int);
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insert into test_limit values (1),(2),(3),(4),(5);
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select * from test_limit order by 1 limit 2,3;
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select * from test_limit order by 1 limit 2,6;
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select * from test_limit order by 1 limit 6,2;
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drop table test_limit;
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-- limit case in b
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\c b
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create table test(a int);
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insert into test values (1),(2),(3),(4),(5);
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select * from test order by 1 limit 2,3;
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select * from test order by 1 limit 2,6;
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select * from test order by 1 limit 6,2;
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drop table test;
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create table test_limit(a int);
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insert into test_limit values (1),(2),(3),(4),(5);
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select * from test_limit order by 1 limit 2,3;
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select * from test_limit order by 1 limit 2,6;
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select * from test_limit order by 1 limit 6,2;
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drop table test_limit;
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--------------timestampdiff-----------------
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-- timestamp with time zone
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@ -189,6 +189,29 @@ select timestampdiff(second, '2018-01-01 01:01:01.000001', b) from timestamp;
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select timestampdiff(microsecond, '2018-01-01 01:01:01.000001', b) from timestamp;
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drop table timestamp;
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-- test char/varchar length
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create table char_test(a char(10),b varchar(10));
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insert into char_test values('零一二三四五六七八九','零一二三四五六七八九');
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insert into char_test values('零1二3四5六7八9','零1二3四5六7八9');
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insert into char_test values('零1二3四5六7八9','零1二3四5六7八90');
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insert into char_test values('零1二3四5六7八90','零1二3四5六7八9');
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insert into char_test values('零0','零1二3');
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insert into char_test values('零0 ','零1二3');
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insert into char_test values('零0','零1二3 ');
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insert into char_test values('','');
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insert into char_test values(null,null);
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insert into char_test values('0','0');
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select length(a),length(b) from char_test;
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select lengthb(a),lengthb(b) from char_test;
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select bit_length(a),bit_length(b) from char_test;
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create index a on char_test(a);
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create index b on char_test(b);
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set enable_seqscan to off;
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select * from char_test where a = '零0';
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select * from char_test where b = '零1二3';
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drop table char_test;
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\c regression
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drop database b;
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