lightdb22.3-oracle 内置包兼容增强

下面对新增的内置包和完善的内置包进行梳理记录

新增内置包

dbms_metadata

• get_ddl 获取对象的创建语句

dbms_job

对job(lt_cron) 进行操作， 支持的操作如下：

• submit 新建job
• remove 删除
• change 修改job
• interval 修改job 执行间隔
• user_export 导出创建语句
• what 修改job 执行内容

dbms_lock

• sleep 同pg_sleep

dbms_obfuscation_toolkit

• md5（text）

utl_url

• escape
• unescape

utl_encode

• base64_encode(raw)

• base64_decode(raw)

• text_encode(text,text,int4)

• text_decode(text,text,int4)

• quoted_printable_encode(raw)

• quoted_printable_decode(raw)

• mimeheader_encode(text,text,int4)

• mimeheader_decode(text)

• uuencode(raw,int1,text,text)

• uudecode(raw)

utl_raw

• cast_to_varchar2

• cast_to_raw(text)

• concat(raw,raw,raw,raw,raw,raw,raw,raw,raw,raw,raw,raw)

• length(raw)

• substr(raw,int4,int4)

• transliterate(raw,raw,raw,raw) 转换匹配的raw

• translate(raw,raw,raw) 转换匹配的raw

• copies(raw,int8)

• overlay(raw,raw,int4,int4,raw)

• xrange(start raw,end raw) 获取由start~end 组成的raw string

• reverse(raw)

• compare(raw,raw,raw)

• convert(raw,text,text)

• bit_and(raw,raw)

• bit_or(raw,raw)

• bit_xor(raw,raw)

• bit_complement(raw)

• cast_to_number(raw)

• cast_from_number(numeric)

• cast_to_binary_integer(raw,int)

• cast_from_binary_integer(int4,int)

dbms_snapshot

• refresh 刷新物化视图

完善内置包

dbms_application_info

获取application info

• read_client_info
• read_module
• set_module
• set_client_info 已支持

dbms_utility

• canonicalize 规范化
• comma_to_table 切分
• table_to_comma 组合
• db_version 数据库版本
• exec_ddl_statement
• GET_HASH_VALUE 已支持
• FORMAT_CALL_STACK 已支持

dbms_lob

• getlength(blob)

• open(blob,int)

• open(clob,int)

• freetemporary(blob)

• freetemporary(clob)

• substr(blob,int4,int4)

• instr(blob,raw,int4,int4)

• createtemporary(blob,bool,int4)

• createtemporary(clob,bool,int4)

• close(blob)

• close(clob)

• append(blob,blob)

• append(clob,clob)

• compare(blob,blob,int4,int4,int4)

• compare(clob,clob,int4,int4,int4)

• copy(blob,blob,int4,int4,int4)

• copy(clob,clob,int4,int4,int4)

• erase(blob,int4,int4)

• erase(clob,int4,int4)

• read(blob,int4,int4,raw)

• read(clob,int4,int4,text)

• trim(blob,int4)

• trim(clob,int4)

• write(blob,int4,int4,raw)

• write(clob,int4,int4,text)

• writeappend(blob,int4,raw)

• writeappend(clob,int4,text)