TBase

AntDB

substr

支持

支持

sign

支持

支持

sinh

支持

支持

tanh

支持

支持

cosh

支持

支持

trim

支持

支持

coalesce

支持

支持

extract

支持

支持

greatest

支持

支持

last_day

支持

支持

least

支持

支持

length

支持

支持

lnnvl

支持

支持

max

支持

支持

min

支持

支持

mod

支持

支持

month_between

支持

支持

to_yminterval

支持

支持

nullif

支持

支持

numtodsinterval

支持

支持

numtoyminterval

支持

支持

round_date

支持

支持

to_timestamp

支持

支持

rpad

支持

支持

to_single_byte

支持

支持

sessiontimezone

支持

支持

to_date

Tbase   to_date

函数对月份解析有错误；

tbase=# SELECT TO_date('January 15, 2010, 11:00 P.M.','Mon dd, YYYY, HH:MI   P.M.') FROM DUAL;

ERROR:  invalid value "ar"   for "dd"

DETAIL:  Value must be an integer.

支持

to_date+to_dsinterval

TBase

计算错误，正确值应该是

2016-01-04 14:20:50

；

postgres=# select to_date('1-3-2016 10:30:00','MM-DD-yyyy hh:mi:ss') +   to_dsinterval('1 3:50:50')  as ndate   from dual;

ndate

---------------------

2016-01-04 03:50:50

(1 row)

支持

soundex

TBase

不支持

soundex

函数；

tbase=# select soundex('moon') from dual;

ERROR:  function soundex(unknown) does   not exist

LINE 1: select soundex('moon') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

sys_extract_utc

TBase

不支持

sys_extract_utc

函数；

tbase=# SELECT SYS_EXTRACT_UTC(TIMESTAMP '2012-04-19 17:30:00 +08:00 ')   "CURRENT UTC TIME" FROM     DUAL;

ERROR:  function   sys_extract_utc(timestamp without time zone) does not exist

LINE 1: SELECT SYS_EXTRACT_UTC(TIMESTAMP '2012-04-19 17:30:00 +08:00...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

trunc

TBase

对

trunc

函数传参参数类型支持不够，对数值型的支持(正负)不够，数据类型隐式转换不够；

tbase=# select trunc(3.25,'') from dual;

ERROR:  invalid input syntax for   integer: ""

LINE 1: select trunc(3.25,'') from dual;

^

tbase=# select trunc(100.984,-2.8) from dual;

ERROR:  function trunc(numeric,   numeric) does not exist

LINE 1: select trunc(100.984,-2.8) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

tbase=# select trunc(100.984,2.8) from dual;

ERROR:  function trunc(numeric,   numeric) does not exist

LINE 1: select trunc(100.984,2.8) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

add_months

TBase add_months

对传入的参数值转换有错误；

tbase=# select add_months(to_date('2000-2-29','YYYY-MM-DD'),12.1) from dual;

ERROR:  function add_months(date,   numeric) does not exist

LINE 1: select add_months(to_date('2000-2-29','YYYY-MM-DD'),12.1) fr...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

tbase=# select add_months(to_date('2000-2-29','YYYY-MM-DD'),-12.55) from   dual;

ERROR:  function add_months(date,   numeric) does not exist

LINE 1: select add_months(to_date('2000-2-29','YYYY-MM-DD'),-12.55) ...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

bitand

Tbase

不支持

bitand

函数；

tbase=# select bitand(1,3) from dual;

ERROR:  function bitand(integer,   integer) does not exist

LINE 1: select bitand(1,3) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

instr

Tbase

对

instr

函数传参参数类型支持不够，对数值型的支持不够

，数据类型隐式转换不够；

ERROR:  function instr(integer,   integer) does not exist

LINE 1: select instr(1234,23) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

ERROR:  function instr(numeric,   unknown) does not exist

LINE 1: select instr(to_number(123.56),'.') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

ERROR:  function instr(double   precision, integer) does not exist

LINE 1: select instr(exp(2),0)  from   dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

ERROR:  function instr(double   precision, double precision) does not exist

LINE 1: select instr(exp(2),exp(2))    from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

lpad

Tbase

对

lpad

函数传参参数类型支持不够，对数值型的支持不够

，数据类型隐式转换不够；

tbase=# select lpad(3.545, 5) from dual;

ERROR:  function lpad(numeric, integer)   does not exist

LINE 1: select lpad(3.545, 5) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

tbase=# select lpad(4, 5) from dual;

ERROR:  function lpad(integer, integer)   does not exist

LINE 1: select lpad(4, 5) from dual;

^

HINT:  No function matches the given name   and argument types. You might need to add explicit type casts.

支持

nanvl

Tbase

对

nanlvl

函数传参参数类型支持不够，对空值的支持不够；

tbase=# select nanvl('','') from dual;

ERROR:  invalid input syntax for type   double precision: ""

LINE 1: select nanvl('','') from dual;

^

tbase=# select nanvl('',null) from dual;

ERROR:  invalid input syntax for type   double precision: ""

LINE 1: select nanvl('',null) from dual;

支持

new_time

Tbase

不支持

new_time

函数；

tbase=# select sysdate bj_time,new_time(sysdate,'PDT','GMT') los_angles from   dual;

ERROR:  function new_time(timestamp   without time zone, unknown, unknown) does not exist

LINE 1: select sysdate bj_time,new_time(sysdate,'PDT','GMT') los_ang...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

next_day

Tbase

对函数

next_day

传参支持数据类型不够，不支持

numeric

隐式转换为

int

；

tbase=# select next_day(sysdate,2.4) from dual;

ERROR:  function next_day(timestamp   without time zone, numeric) does not exist

LINE 1: select next_day(sysdate,2.4) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

trim

Tbase

对函数

trim

传参数据类型支持不够，不支持数值型隐式转换为字符型；

tbase=# select trim(both 1 from 121) from dual;

ERROR:  function   pg_catalog.btrim(integer, integer) does not exist

LINE 1: select trim(both 1 from 121) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

translate

Tbase

对函数

translate

传参数据类型支持不够，不支持数值型隐式转换为字符型；

tbase=# SELECT TRANSLATE(121, 12, 3) FROM DUAL;

ERROR:  function translate(integer,   integer, integer) does not exist

LINE 1: SELECT TRANSLATE(121, 12, 3) FROM DUAL;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

tbase=# SELECT TRANSLATE('999,999.99', '9', 0) FROM DUAL;

ERROR:  function translate(unknown,   unknown, integer) does not exist

LINE 1: SELECT TRANSLATE('999,999.99', '9', 0) FROM DUAL;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

to_timestamp_tz

Tbase   to_timestamp_tz

函数对月份解析有错误；

tbase=# SELECT to_timestamp_tz('January 15, 2010, 11:00 P.M.','Mon dd, YYYY,   HH:MI P.M.') FROM DUAL;

ERROR:  invalid value "ar"   for "dd"

DETAIL:  Value must be an integer.

支持

NLS_CHARSET_ID

Tbase

不支持函数

NLS_CHARSET_ID

；

tbase=# SELECT NLS_CHARSET_ID('utf8') FROM DUAL;

ERROR:  function   nls_charset_id(unknown) does not exist

LINE 1: SELECT NLS_CHARSET_ID('utf8') FROM DUAL;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

NLS_CHARSET_NAME

Tbase

不支持函数

NLS_CHARSET_NAME

；

tbase=# SELECT NLS_CHARSET_NAME(2) FROM DUAL;

ERROR:  function   nls_charset_name(integer) does not exist

LINE 1: SELECT NLS_CHARSET_NAME(2) FROM DUAL;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

nls_initcap

Tbase

不支持函数

nls_initcap

；

tbase=# select nls_initcap('ab cde') from dual;

ERROR:  function nls_initcap(unknown)   does not exist

LINE 1: select nls_initcap('ab cde') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

nls_lower

Tbase

不支持函数

nls_lower

；

tbase=# select nls_lower('AB CDe') from dual;

ERROR:  function nls_lower(unknown)   does not exist

LINE 1: select nls_lower('AB CDe') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

nls_upper

Tbase

不支持函数

nls_upper

；

tbase=# select nls_upper('ab cDe') from dual;

ERROR:  function nls_upper(unknown)   does not exist

LINE 1: select nls_upper('ab cDe') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

nvl

Tbase

对函数

nvl

参数传递数据类型支持不够，不支持数据类型隐式转换；

tbase=# select nvl(1.4,4) from dual;

ERROR:  function nvl(numeric, integer)   does not exist

LINE 1: select nvl(1.4,4) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

tbase=# select nvl(exp(2),4.8) from dual;

ERROR:  function nvl(double precision,   numeric) does not exist

LINE 1: select nvl(exp(2),4.8) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

nvl2

Tbase

对函数

nvl2

参数传递数据类型支持不够，不支持数据类型的隐式转换；

tbase=# select nvl2(3,'4.9',5) from dual;

ERROR:  invalid input syntax for   integer: "4.9"

LINE 1: select nvl2(3,'4.9',5) from dual;

tbase=# select nvl2(4,4.8,5) from dual;

ERROR:  function nvl2(integer, numeric,   integer) does not exist

LINE 1: select nvl2(4,4.8,5) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

to_timestamp

Tbase   to_timestamp

函数对月份解析有错误

tbase=# SELECT TO_timestamp('January 15, 2010, 11:00 P.M.','Mon dd, YYYY,   HH:MI P.M.') FROM DUAL;

ERROR:  invalid value "ar"   for "dd"

DETAIL:  Value must be an integer.

支持

regexp_count

Tbase

不支持函数

regexp_count

；

tbase=# select regexp_count('abcdfbc','Bc',1,'i') from dual;

ERROR:  function regexp_count(unknown,   unknown, integer, unknown) does not exist

LINE 1: select regexp_count('abcdfbc','Bc',1,'i') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

regexp_instr

Tbase

不支持函数

regexp_instr

；

tbase=# SELECT regexp_instr('abc1def', '[[:digit:]]',1,1,1) output  from dual;

ERROR:  function regexp_instr(unknown,   unknown, integer, integer, integer) does not exist

LINE 1: SELECT regexp_instr('abc1def', '[[:digit:]]',1,1,1) output  ...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

regexp_like

Tbase

不支持函数

regexp_like

；

tbase=# select * from t4test where regexp_like(name,'345');

ERROR:  function regexp_like(character   varying, unknown) does not exist

LINE 1: select * from t4test where regexp_like(name,'345');

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

regexp_replace

Tbase

不支持函数

regexp_replace;

tbase=# SELECT regexp_replace('abc1def2', '[[:digit:]]','@',1,2) output  from dual;

ERROR:  function   regexp_replace(unknown, unknown, unknown, integer, integer) does not exist

LINE 1: SELECT regexp_replace('abc1def2', '[[:digit:]]','@',1,2) out...

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

remainder

Tbase

不支持函数

remainder;

tbase=# select remainder(7,5) from dual;

ERROR:  function remainder(integer,   integer) does not exist

LINE 1: select remainder(7,5) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

replace

Tbase

函数

replace

传参数据类型支持不够；

tbase=# select replace('abc', 'a') from dual;

ERROR:  function replace(unknown,   unknown) does not exist

LINE 1: select replace('abc', 'a') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

round

Tbase

函数

round

传参数据类型支持不够，不支持数据类型隐式转换；

tbase=# select round(100.984,2.8) from dual;

ERROR:  function round(numeric,   numeric) does not exist

LINE 1: select round(100.984,2.8) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

rpad

Tbase

函数

rpad

传参数据类型支持不够，不支持数据类型隐式转换；

tbase=# select rpad(3.545, 5) from dual;

ERROR:  function rpad(numeric, integer)   does not exist

LINE 1: select rpad(3.545, 5) from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

to_number

Tbase

函数

to_number

参数传递的格式化选项支持不够；

tbase=# select to_number(89.987,'99.9999') from dual;

ERROR:  function to_number(numeric,   unknown) does not exist

LINE 1: select to_number(89.987,'99.9999') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持

to_char

Tbase

函数

to_char

参数传递的格式化选项支持不够；

tbase=# select to_char(to_char(24.50),'099.999') from dual;

ERROR:  function to_char(text, unknown)   does not exist

LINE 1: select to_char(to_char(24.50),'099.999') from dual;

^

HINT:  No function matches the given   name and argument types. You might need to add explicit type casts.

支持