包变量
Oracle支持包变量,允许变量保留包中所有的函数/过程。DSC通过自定义函数实现GaussDB(DWS)支持包变量。
- 创建并使用MIG_ORA_EXT模式。
- 复制自定义脚本文件的内容,并在要执行迁移的所有目标数据库中执行此脚本。详情请参见迁移流程。
如果模式和包名称之间存在空格,或包规范或包体(二者之一)含有引号,则输出可能与预期不符。
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CREATE OR REPLACE PACKAGE scott.pkg_adm_util IS un_stand_value long := '`' ; defaultdate date := sysdate ; g_pkgname CONSTANT VARCHAR2 ( 255 ) DEFAULT 'pkg_adm_util' ; procedure p1 ; END pkg_adm_util ; / CREATE OR REPLACE PACKAGE BODY scott.pkg_adm_util AS defaulttime timestamp := systimestamp ; PROCEDURE P1 AS BEGIN scott.pkg_adm_util.un_stand_value := 'A' ; pkg_adm_util.un_stand_value := 'B' ; un_stand_value := 'C' ; DBMS_OUTPUT.PUT_LINE ( pkg_adm_util.defaultdate ) ; DBMS_OUTPUT.PUT_LINE ( defaulttime ) ; DBMS_OUTPUT.PUT_LINE ( scott.pkg_adm_util.un_stand_value ) ; DBMS_OUTPUT.PUT_LINE ( pkg_adm_util.un_stand_value ) ; DBMS_OUTPUT.PUT_LINE ( un_stand_value ) ; END ; END ; / |
输出
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SCHEMA pkg_adm_util ; BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( SCHEMA_NAME ,PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_ I ,DEFAULT_VALUE ,EXPRESSION_I ) VALUES ( UPPER( 'scott' ) ,UPPER( 'pkg_adm_util' ) ,'S' ,UPPER( 'un_stand_value' ) ,UPPE R( 'TEXT' ) ,false ,'`' ,false ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( SCHEMA_NAME ,PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_ I ,DEFAULT_VALUE ,EXPRESSION_I ) VALUES ( UPPER( 'scott' ) ,UPPER( 'pkg_adm_util' ) ,'S' ,UPPER( 'defaultdate' ) ,UPPER( ' date' ) ,false ,$q$sysdate$q$ ,true ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( SCHEMA_NAME ,PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_ I ,DEFAULT_VALUE ,EXPRESSION_I ) VALUES ( UPPER( 'scott' ) ,UPPER( 'pkg_adm_util' ) ,'S' ,UPPER( 'g_pkgname' ) ,UPPER( 'VA RCHAR2 ( 255 )' ) ,true ,'pkg_adm_util' ,false ) ; END ; / BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( SCHEMA_NAME ,PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_ I ,DEFAULT_VALUE ,EXPRESSION_I ) VALUES ( UPPER( 'scott' ) ,UPPER( 'pkg_adm_util' ) ,'B' ,UPPER( 'defaulttime' ) ,UPPER( ' timestamp' ) ,false ,$q$CURRENT_TIMESTAMP$q$ ,true ) ; END ; / CREATE OR REPLACE PROCEDURE pkg_adm_util.P1 AS BEGIN MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( current_schema ( ) ,'pkg_adm_util' ,'un_stand_value' ,( 'A' ) ::TEXT ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( current_schema ( ) ,'pkg_adm_util' ,'un_stand_value' ,( 'B' ) ::TEXT ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( current_schema ( ) ,'pkg_adm_util' ,'un_stand_value' ,( 'C' ) ::TEXT ) ; DBMS_OUTPUT.PUT_LINE ( MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'scott' ,'pkg_adm_util' ,'defaultdate' ) :: date ) ; DBMS_OUTPUT.PUT_LINE ( MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE( 'scott' ,'pkg_adm_util' ,'defaulttime' ) :: timestamp ) ; DBMS_OUTPUT.PUT_LINE ( MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE( 'scott' ,'pkg_adm_util' ,'un_stand_value' ) :: TEXT ) ; DBMS_OUTPUT.PUT_LINE ( MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE( 'scott' ,'pkg_adm_util' ,'un_stand_value' ) :: TEXT ) ; DBMS_OUTPUT.PUT_LINE ( MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE( 'scott' ,'pkg_adm_util' ,'un_stand_value' ) :: TEXT ) ; END ; / |
如果pkgSchemaNaming设置为true,
- Oracle支持多个模式的包变量。如果不同的模式具有相同的包名和变量名,例如:
- schema1.mypackage.myvariable
- schema2.mypackage.myvariable
则在迁移之后,模式名称将不会用于区分这两个包变量。由于模式名称被忽略,[any_schema] .mypackage.myvariable的最后一个数据类型声明或操作将覆盖schema1.mypackage.myvariable和schema2.mypackage.myvariable的类型和值。
输入:使用CONSTANT关键字在一个包中声明的默认值的包变量,并在另一个包中使用
在包规范中声明的全局变量可以在相同的包和其他包中被访问。
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PACKAGE "SAD"."BAS_SUBTYPE_PKG" : (Declaring global variable) ------------------------------------------------- g_header_waiting_split_status CONSTANT VARCHAR2(20) := 'Waiting_Distribute'; PACKAGE SAD.sad_lookup_stage_pkg: (Used global variable) -------------------------------------------------- PROCEDURE calc_product_price(pi_contract_no IN VARCHAR2 DEFAULT NULL, pi_stage_id IN NUMBER DEFAULT NULL, pi_calc_category IN VARCHAR2 DEFAULT 'all', pi_op_code IN NUMBER, po_error_msg OUT VARCHAR2) IS CURSOR cur_contract IS SELECT DISTINCT sdh.contract_number, sdh.stage_id FROM sad_distribution_headers_t sdh WHERE sdh.status = bas_subtype_pkg.g_header_waiting_split_status AND sdh.contract_number = nvl(pi_contract_no, sdh.contract_number) AND sdh.stage_id = nvl(pi_stage_id, sdh.stage_id); v_ras_flag VARCHAR2 ( 1 ) ; BEGIN .. ... END calc_product_price; / |
输出
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PROCEDURE calc_product_price(pi_contract_no IN VARCHAR2 DEFAULT NULL, pi_stage_id IN NUMBER DEFAULT NULL, pi_calc_category IN VARCHAR2 DEFAULT 'all', pi_op_code IN NUMBER, po_error_msg OUT VARCHAR2) IS MIG_PV_VAL_DUMMY_G_HEADER_WAITING_SPLIT_STATUS VARCHAR2 ( 20 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_subtype_pkg' ,'g_header_waiting_split_status' ) ::VARCHAR2 ( 20 ) ; CURSOR cur_contract IS SELECT DISTINCT sdh.contract_number, sdh.stage_id FROM sad_distribution_headers_t sdh WHERE sdh.status = MIG_PV_VAL_DUMMY_G_HEADER_WAITING_SPLIT_STATUS AND sdh.contract_number = nvl(pi_contract_no, sdh.contract_number) AND sdh.stage_id = nvl(pi_stage_id, sdh.stage_id); v_ras_flag VARCHAR2 ( 1 ) ; BEGIN .. ... END; / |
包变量需要在CURSOR声明之前声明。
输入:EXCEPTION的变量
包变量是一种全局变量,可以通过声明一次在整个包中使用。
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CREATE OR REPLACE PACKAGE BODY SAD.sad_lookup_stage_pkg IS ex_prog_error EXCEPTION; PROCEDURE assert_null ( pi_value IN VARCHAR2 ) IS BEGIN IF pi_value IS NOT NULL THEN RAISE ex_prog_error ; END IF ; END assert_null; END SAD.sad_lookup_stage_pkg / |
输出
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CREATE OR REPLACE PROCEDURE SAD.sad_lookup_stage_pkg#assert_null ( pi_value IN VARCHAR2 ) PACKAGE IS ex_prog_error EXCEPTION; BEGIN IF pi_value IS NOT NULL THEN RAISE ex_prog_error ; END IF ; END ; / |
GaussDB没有软件包功能,因此包变量需要使用它的过程或函数中声明。
输入:若pkgSchemaNaming设置为false
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CREATE OR REPLACE PACKAGE BODY SAD.bas_lookup_misc_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_lookup_misc_pkg'; g_func_name VARCHAR2(30); FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100); BEGIN l_func_name := g_pkg_name || '.' || g_func_name; RETURN l_func_name; END; END SAD.bas_lookup_misc_pkg; / |
输出
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INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'g_func_name' ) ,UPPER( 'VARCHAR2(30)' ) ,FALSE ,NULL ,FALSE ) ; END ; / --******************************************************************** CREATE OR REPLACE FUNCTION SAD.bas_lookup_misc_pkg#func_name RETURN VARCHAR2 PACKAGE IS l_func_name VARCHAR2 ( 100 ) ; MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_lookup_misc_pkg' ,'g_pkg_name' ) ::VARCHAR2 ( 30 ) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_lookup_misc_pkg' ,'g_func_name' ) ::VARCHAR2 ( 30 ) ; BEGIN l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD','bas_lookup_misc_pkg','g_pkg_name',MIG_PV_VAL_DUMMY_G_PKG_NAME ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD','bas_lookup_misc_pkg','g_func_name',MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; RETURN l_func_name ; END ; / |
如果配置参数pkgSchemaNaming设置为false,则包变量迁移在某些地方会出错(例如,GET获取默认值和SET分配最终值不会被添加)。但是,内核团队不建议使用此设置。请咨询内核团队。
输入:数据类型声明为包变量的表列%TYPE
如果数据类型被声明为变量的表列%TYPE,在表创建级别定义的数据类型被视为相应的列。
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CREATE OR REPLACE PACKAGE BODY SAD.bas_lookup_misc_pkg IS v_emp_name emp.ename%TYPE; PROCEDURE save_emp_dtls ( v_empno IN VARCHAR2 ) IS BEGIN IF v_emp_name IS NULL THEN v_emp_name := 'test'; END IF ; END save_emp_dtls; END bas_lookup_misc_pkg / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'v_emp_name' ) ,UPPER( 'VARCHAR2(30)' ) ,FALSE ,NULL ,FALSE ) ; END ; / --********************************************************* CREATE OR REPLACE PROCEDURE SAD.bas_lookup_misc_pkg#save_emp_dtls ( v_empno IN VARCHAR2 ) PACKAGE IS MIG_PV_VAL_DUMMY_EMP_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_lookup_misc_pkg' ,'v_emp_name' ) ::VARCHAR2 ( 30 ) ; BEGIN IF MIG_PV_VAL_DUMMY_EMP_NAME IS NULL THEN MIG_PV_VAL_DUMMY_EMP_NAME := 'test'; END IF ; END ; / |
使用数据类型作为表列%TYPE迁移包变量时,需要从表中获取实际数据类型,并且在声明变量时使用该数据类型,而不是使用%TYPE。
输入:若配置参数pkgSchemaNaming设置为false
如果一起指定PACKAGE名称和SCHEMA名称,则需要在GET()上使用SCHEMA名称来获取默认值,并使用SET()来指定最终值。
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CREATE OR REPLACE PACKAGE BODY SAD.bas_lookup_misc_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_lookup_misc_pkg'; g_func_name VARCHAR2(30); FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100); BEGIN l_func_name := g_pkg_name || '.' || g_func_name; RETURN l_func_name; END; END SAD.bas_lookup_misc_pkg; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'g_pkg_name' ) ,UPPER( 'VARCHAR2(30)' ) ,TRUE ,'bas_lookup_misc_pkg' ,FALSE ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'g_func_name' ) ,UPPER( 'VARCHAR2(30)' ) ,FALSE ,NULL ,FALSE ) ; END ; / --******************************************************************** CREATE OR REPLACE FUNCTION SAD.bas_lookup_misc_pkg#func_name RETURN VARCHAR2 PACKAGE IS l_func_name VARCHAR2 ( 100 ) ; MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_lookup_misc_pkg' ,'g_pkg_name' ) ::VARCHAR2 ( 30 ) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_lookup_misc_pkg' ,'g_func_name' ) ::VARCHAR2 ( 30 ) ; BEGIN l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD','bas_lookup_misc_pkg','g_pkg_name',MIG_PV_VAL_DUMMY_G_PKG_NAME ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD','bas_lookup_misc_pkg','g_func_name',MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; RETURN l_func_name ; END ; / |
输入:若配置参数pkgSchemaNaming设置为false
若配置参数pkgSchemaNaming设置为false
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CREATE OR REPLACE PACKAGE BODY bas_lookup_misc_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_lookup_misc_pkg'; g_func_name VARCHAR2(30); FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100); BEGIN l_func_name := g_pkg_name || '.' || g_func_name; RETURN l_func_name; END; END SAD.bas_lookup_misc_pkg; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'g_pkg_name' ) ,UPPER( 'VARCHAR2(30)' ) ,TRUE ,'bas_lookup_misc_pkg' ,FALSE ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'bas_lookup_misc_pkg' ) ,'B' ,UPPER( 'g_func_name' ) ,UPPER( 'VARCHAR2(30)' ) ,FALSE ,NULL ,FALSE ) ; END ; / --******************************************************************** CREATE OR REPLACE FUNCTION bas_lookup_misc_pkg#func_name RETURN VARCHAR2 PACKAGE IS l_func_name VARCHAR2 ( 100 ) ; MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( CURRENT_SCHEMA() ,'bas_lookup_misc_pkg' ,'g_pkg_name' ) ::VARCHAR2 ( 30 ) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( CURRENT_SCHEMA() ,'bas_lookup_misc_pkg' ,'g_func_name' ) ::VARCHAR2 ( 30 ) ; BEGIN l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( CURRENT_SCHEMA(),'bas_lookup_misc_pkg','g_pkg_name',MIG_PV_VAL_DUMMY_G_PKG_NAME ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( CURRENT_SCHEMA(),'bas_lookup_misc_pkg','g_func_name',MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; RETURN l_func_name ; END ; / |
输入: 若pkgSchemaNaming设置为false,使用包变量
全局变量在包转换期间未正确转换,并在编译期间报错。如果配置参数pkgSchemaNaming设置为false,则某些位置不会进行包变量迁移。但是,内核团队不建议使用此设置,详情请咨询内核团队。
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CREATE OR REPLACE PACKAGE BODY SAD.bas_dml_lookup_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_dml_ic_price_rule_pkg' ; g_func_name VARCHAR2 (100); FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100) ; BEGIN l_func_name := g_pkg_name || '.' || g_func_name ; RETURN l_func_name ; END ; END bas_dml_lookup_pkg ; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( USER_NAME, PACKAGE_NAME, SPEC_OR_BODY , VARIABLE_NAME, VARIABLE_TYPE , CONSTANT_I, DEFAULT_VALUE, RUNTIME_EXEC_I ) VALUES ( 'SAD', UPPER( 'bas_dml_lookup_pkg' ), 'B' , UPPER( 'g_pkg_name' ), UPPER( 'VARCHAR2 ( 30 )' ) , TRUE, 'bas_dml_ic_price_rule_pkg', FALSE ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( USER_NAME, PACKAGE_NAME, SPEC_OR_BODY , VARIABLE_NAME, VARIABLE_TYPE , CONSTANT_I, DEFAULT_VALUE, RUNTIME_EXEC_I ) VALUES ( 'SAD', UPPER( 'bas_dml_lookup_pkg' ), 'B' , UPPER( 'g_func_name' ), UPPER( 'VARCHAR2(100)' ) , FALSE, NULL, FALSE ) ; END ; / CREATE OR REPLACE FUNCTION SAD.bas_dml_lookup_pkg#func_name RETURN VARCHAR2 IS MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2(30) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD', 'BAS_DML_LOOKUP_PKG', 'G_PKG_NAME' )::VARCHAR2(30) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2(100) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD', 'BAS_DML_LOOKUP_PKG', 'G_FUNC_NAME' )::VARCHAR2(100) ; l_func_name VARCHAR2(100) ; BEGIN l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; RETURN l_func_name ; END ; / |
输入:(%type)表中的表字段类型定义
包转换期间,模式定义不会被添加到(%type)表中的表字段类型定义中,并且在编译期间会报错。
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CREATE TABLE CTP_BRANCH ( ID VARCHAR2(10) , NAME VARCHAR2(100) , DESCRIPTION VARCHAR2(500) ); CREATE OR REPLACE PACKAGE BODY SAD.bas_dml_lookup_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_dml_ic_price_rule_pkg' ; g_func_name CTP_BRANCH.NAME%TYPE; FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100) ; BEGIN l_func_name := g_pkg_name || '.' || g_func_name ; RETURN l_func_name ; END ; END bas_dml_lookup_pkg ; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( USER_NAME, PACKAGE_NAME, SPEC_OR_BODY , VARIABLE_NAME, VARIABLE_TYPE , CONSTANT_I, DEFAULT_VALUE, RUNTIME_EXEC_I ) VALUES ( 'SAD', UPPER( 'bas_dml_lookup_pkg' ), 'B' , UPPER( 'g_pkg_name' ), UPPER( 'VARCHAR2 ( 30 )' ) , TRUE, 'bas_dml_ic_price_rule_pkg', FALSE ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( USER_NAME, PACKAGE_NAME, SPEC_OR_BODY , VARIABLE_NAME, VARIABLE_TYPE , CONSTANT_I, DEFAULT_VALUE, RUNTIME_EXEC_I ) VALUES ( 'SAD', UPPER( 'bas_dml_lookup_pkg' ), 'B' , UPPER( 'g_func_name' ), UPPER( 'VARCHAR2(100)' ) , FALSE, NULL, FALSE ) ; END ; / CREATE OR REPLACE FUNCTION SAD.bas_dml_lookup_pkg#func_name RETURN VARCHAR2 IS MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2(30) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD', 'BAS_DML_LOOKUP_PKG', 'G_PKG_NAME' )::VARCHAR2(30) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2(100) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD', 'BAS_DML_LOOKUP_PKG', 'G_FUNC_NAME' )::VARCHAR2(100) ; l_func_name VARCHAR2(100) ; BEGIN l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; RETURN l_func_name ; END ; / |
EXCEPTION
包变量可以被添加为EXCEPTION,GaussDB(DWS)不支持此功能。
输入
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CREATE OR REPLACE PACKAGE BODY product_pkg IS ex_prog_error EXCEPTION; PROCEDURE assert_null(pi_value IN VARCHAR2) IS BEGIN IF pi_value IS NOT NULL THEN RAISE ex_prog_error; END IF; EXCEPTION WHEN ex_prog_error THEN RAISE ex_prog_error; END assert_null; END product_pkg; / |
输出
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CREATE OR REPLACE PROCEDURE product_pkg.Assert_null (pi_value IN VARCHAR2) IS ex_prog_error EXCEPTION; BEGIN IF pi_value IS NOT NULL THEN RAISE ex_prog_error; END IF; EXCEPTION WHEN ex_prog_error THEN RAISE ex_prog_error; END; / |
默认值
function被指定为包变量的默认值。
输入
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'PKG_REVN_ARPU' ) ,'B' ,UPPER( 'imodel' ) ,UPPER( 'log_table.ds_exec%TYPE' ) ,FALSE ,pkg_etl.proc_set_chain ( 'DAILY ARPU' ) ,FALSE ) ; END ; / gSQL:PKG_REVN_ARPU_04.SQL:23: ERROR: function pkg_etl.proc_set_chain(unknown) does not exist LINE 15: ,pkg_etl.proc_set_chain ( 'DAILY ARPU' ) ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. CREATE OR REPLACE PACKAGE BODY IC_STAGE.PKG_REVN_ARPU AS imodel log_table.ds_exec%TYPE := pkg_etl.proc_set_chain ('DAILY ARPU'); PROCEDURE AGGR_X_AGG00_REVN_DEALER (p_date PLS_INTEGER, p_days PLS_INTEGER) AS v_start_date PLS_INTEGER; v_curr_date PLS_INTEGER; v_imodel VARCHAR2(100); BEGIN pkg_etl.proc_start (p_date, 'AGGR_X_AGG00_REVN_DEALER '); v_start_date := TO_CHAR (TO_DATE (p_date, 'yyyymmdd') - (p_days - 1), 'yyyymmdd'); v_curr_date := p_date; v_imodel := imodel; END; END PKG_REVN_ARPU; / |
输出
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SET package_name_list = 'PKG_REVN_ARPU' ; BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'PKG_REVN_ARPU' ) ,'B' ,UPPER( 'imodel' ) ,UPPER( 'log_table.ds_exec%TYPE' ) ,FALSE ,$q$pkg_etl.proc_set_chain ('DAILY ARPU')$q$ ,TRUE ) ; END ; / CREATE OR REPLACE PROCEDURE PKG_REVN_ARPU.AGGR_X_AGG00_REVN_DEALER ( p_date INTEGER ,p_days INTEGER ) AS MIG_PV_VAL_DUMMY_IMODEL log_table.ds_exec%TYPE := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( CURRENT_USER,'PKG_REVN_ARPU','imodel' ) ::log_table.ds_exec%TYPE ; v_start_date INTEGER ; v_curr_date INTEGER ; v_imodel VARCHAR2 ( 100 ) ; BEGIN pkg_etl.proc_start ( p_date ,'AGGR_X_AGG00_REVN_DEALER ' ) ; v_start_date := TO_CHAR( TO_DATE( p_date ,'yyyymmdd' ) - ( p_days - 1 ),'yyyymmdd' ) ; v_curr_date := p_date ; v_imodel := MIG_PV_VAL_DUMMY_IMODEL ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( CURRENT_USER,'PKG_REVN_ARPU','imodel',MIG_PV_VAL_DUMMY_IMODEL ) ; END ; / reset package_name_list ; |
PLS_INTEGER
PLS_INTEGER数据类型未转换为用于包变量的INTEGER,但对其他本地变量起作用,因此,包变量PLS_INTEGER应转换为INTEGER 数据类型,例如,varaible1 PLS_INTEGER ==> varaible1 INTEGER。
脚本:SAD_CALC_BPART_PRICE_PKG.SQL, SAD_CALC_ITEM_PKG_TEST_OB.SQL, SAD_CALC_ITEM_PRICE_TEST_OB.SQL, SAD_CALC_ITEM_PRI_TEST_OB.SQL, SAD_CALC_ITEM_TEST_OB.SQL
输入
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CREATE OR REPLACE PACKAGE BODY "SAD"."SAD_CALC_BPART_PRICE_PKG" IS g_max_number_of_entities PLS_INTEGER := 100; FUNCTION split_warning(pi_contract_number IN VARCHAR2, pi_stage_id IN NUMBER, pi_quotation_id IN NUMBER, pi_cfg_instance_id IN NUMBER) RETURN VARCHAR2 IS BEGIN --- l_item_list := items_no_cost(pi_contract_number => pi_contract_number, pi_stage_id => pi_stage_id, pi_quotation_id => pi_quotation_id, pi_cfg_instance_id => pi_cfg_instance_id, pi_max_number_of_entities => g_max_number_of_entities, pi_sep_char => g_item_sep_char, po_error_msg => po_error_msg); --- END split_warning; END SAD_CALC_BPART_PRICE_PKG; |
输出
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BEGIN --- INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'SAD_CALC_BPART_PRICE_PKG' ) ,'B' ,UPPER( 'g_max_number_of_entities' ) ,UPPER( 'PLS_INTEGER' ) ,FALSE ,100 ,FALSE ) ; --- END; / CREATE OR REPLACE FUNCTION SAD.SAD_CALC_BPART_PRICE_PKG#split_warning ( pi_contract_number IN VARCHAR2 ,pi_stage_id IN NUMBER ,pi_quotation_id IN NUMBER ,pi_cfg_instance_id IN NUMBER ) RETURN VARCHAR2 IS --- MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES PLS_INTEGER := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( current_schema ( ) ,'SAD_CALC_BPART_PRICE_PKG' ,'g_max_number_of_entities' ) ::PLS_INTEGER ; --- l_item_list := SAD.SAD_CALC_BPART_PRICE_PKG#items_no_cost ( pi_contract_number => pi_contract_number , pi_stage_id => pi_stage_id , pi_quotation_id => pi_quotation_id , pi_cfg_instance_id => pi_cfg_instance_id , pi_max_number_of_entities => MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES , pi_sep_char => MIG_PV_VAL_DUMMY_G_ITEM_SEP_CHAR , po_error_msg => po_error_msg ) ; --- END; |
输入
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PLS_INTEGER datatype not converted into INTEGER for package variables but it's working fine for other local variables therefore for package variables also PLS_INTEGER should be converted to INTEGER datatype i.e varaible1 PLS_INTEGER ==> varaible1 INTEGER SCRIPTS : SAD_CALC_BPART_PRICE_PKG.SQL, SAD_CALC_ITEM_PKG_TEST_OB.SQL, SAD_CALC_ITEM_PRICE_TEST_OB.SQL, SAD_CALC_ITEM_PRI_TEST_OB.SQL, SAD_CALC_ITEM_TEST_OB.SQL INPUT : CREATE OR REPLACE PACKAGE BODY "SAD"."SAD_CALC_BPART_PRICE_PKG" IS g_max_number_of_entities PLS_INTEGER := 100; FUNCTION split_warning(pi_contract_number IN VARCHAR2, pi_stage_id IN NUMBER, pi_quotation_id IN NUMBER, pi_cfg_instance_id IN NUMBER) RETURN VARCHAR2 IS BEGIN --- l_item_list := items_no_cost(pi_contract_number => pi_contract_number, pi_stage_id => pi_stage_id, pi_quotation_id => pi_quotation_id, pi_cfg_instance_id => pi_cfg_instance_id, pi_max_number_of_entities => g_max_number_of_entities, pi_sep_char => g_item_sep_char, po_error_msg => po_error_msg); --- END split_warning; END SAD_CALC_BPART_PRICE_PKG; OUTPUT : BEGIN --- INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME ,SPEC_OR_BODY ,VARIABLE_NAME ,VARIABLE_TYPE ,CONSTANT_I ,DEFAULT_VALUE ,RUNTIME_EXEC_I ) VALUES ( UPPER( 'SAD_CALC_BPART_PRICE_PKG' ) ,'B' ,UPPER( 'g_max_number_of_entities' ) ,UPPER( 'PLS_INTEGER' ) ,FALSE ,100 ,FALSE ) ; --- END; / CREATE OR REPLACE FUNCTION SAD.SAD_CALC_BPART_PRICE_PKG#split_warning ( pi_contract_number IN VARCHAR2 ,pi_stage_id IN NUMBER ,pi_quotation_id IN NUMBER ,pi_cfg_instance_id IN NUMBER ) RETURN VARCHAR2 IS --- MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES PLS_INTEGER := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( current_schema ( ) ,'SAD_CALC_BPART_PRICE_PKG' ,'g_max_number_of_entities' ) ::PLS_INTEGER ; --- l_item_list := SAD.SAD_CALC_BPART_PRICE_PKG#items_no_cost ( pi_contract_number => pi_contract_number , pi_stage_id => pi_stage_id , pi_quotation_id => pi_quotation_id , pi_cfg_instance_id => pi_cfg_instance_id , pi_max_number_of_entities => MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES , pi_sep_char => MIG_PV_VAL_DUMMY_G_ITEM_SEP_CHAR , po_error_msg => po_error_msg ) ; --- END; |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME, SPEC_OR_BODY, VARIABLE_NAME , VARIABLE_TYPE, CONSTANT_I, DEFAULT_VALUE , RUNTIME_EXEC_I ) VALUES ( UPPER('SAD_CALC_BPART_PRICE_PKG') , 'B', UPPER( 'g_max_number_of_entities' ) , UPPER( 'INTEGER' ),FALSE,100 , FALSE ) ; END ; / CREATE OR REPLACE FUNCTION SAD.SAD_CALC_BPART_PRICE_PKG#split_warning ( pi_contract_number IN VARCHAR2 , pi_stage_id IN NUMBER ) RETURN VARCHAR2 PACKAGE IS MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES INTEGER := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE('SAD', 'SAD_CALC_BPART_PRICE_PKG', 'g_max_number_of_entities') ::INTEGER ; po_error_msg sad_products_t.exception_description%TYPE ; BEGIN l_item_list := items_no_cost ( pi_contract_number => pi_contract_number ,pi_stage_id => pi_stage_id , pi_max_number_of_entities => MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES , po_error_msg => po_error_msg ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ('SAD' ,'SAD_CALC_BPART_PRICE_PKG' ,'g_max_number_of_entities' ,MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES); RETURN po_error_msg ; EXCEPTION WHEN OTHERS THEN po_error_msg := 'Program Others abnormal, Fail to obtain the warning information.' || SQLERRM ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'SAD_CALC_BPART_PRICE_PKG' ,'g_max_number_of_entities' ,MIG_PV_VAL_DUMMY_G_MAX_NUMBER_OF_ENTITIES ) ; RETURN po_error_msg ; END ; / |
带有包变量的游标
SAD.sad_calc_product_price_pkg#calc_product_price中声明的游标包含包变量,并且需要被处理。
输入
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CREATE OR REPLACE PACKAGE SAD.bas_subtype_pkg IS g_header_waiting_split_status CONSTANT VARCHAR2(20) := 'Waiting_Distribute'; SUBTYPE error_msg IS sad_products_t.exception_description%TYPE; END bas_subtype_pkg; / CREATE OR REPLACE PACKAGE BODY SAD.sad_calc_product_price_pkg IS PROCEDURE calc_product_price(pi_contract_no IN VARCHAR2 DEFAULT NULL, pi_stage_id IN NUMBER DEFAULT NULL, po_error_msg OUT VARCHAR2) IS CURSOR cur_contract IS SELECT DISTINCT sdh.contract_number, sdh.stage_id FROM sad_distribution_headers_t sdh WHERE sdh.status = bas_subtype_pkg.g_header_waiting_split_status AND sdh.contract_number = nvl(pi_contract_no, sdh.contract_number) AND sdh.stage_id = nvl(pi_stage_id, sdh.stage_id); lv_error_msg bas_subtype_pkg.error_msg; BEGIN FOR rec_contract IN cur_contract LOOP validate_process_status(rec_contract.contract_number, rec_contract.stage_id, lv_error_msg); END LOOP; po_error_msg := lv_error_msg; END calc_product_price; END sad_calc_product_price_pkg; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME,SPEC_OR_BODY,VARIABLE_NAME , VARIABLE_TYPE,CONSTANT_I,DEFAULT_VALUE , RUNTIME_EXEC_I ) VALUES ( UPPER('bas_subtype_pkg'), 'S', UPPER('g_header_waiting_split_status') , UPPER( 'VARCHAR2(20)' ), TRUE, 'Waiting_Distribute' , FALSE ) ; END ; / CREATE OR REPLACE PROCEDURE SAD.sad_calc_product_price_pkg#calc_product_price ( pi_contract_no IN VARCHAR2 DEFAULT NULL , pi_stage_id IN NUMBER DEFAULT NULL , po_error_msg OUT VARCHAR2 ) PACKAGE IS MIG_PV_VAL_DUMMY_G_HEADER_WAITING_SPLIT_STATUS VARCHAR2 ( 20 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_subtype_pkg' ,'g_header_waiting_split_status' ) ::VARCHAR2 ( 20 ) ; CURSOR cur_contract IS SELECT DISTINCT sdh.contract_number, sdh.stage_id FROM sad_distribution_headers_t sdh WHERE sdh.status = MIG_PV_VAL_DUMMY_G_HEADER_WAITING_SPLIT_STATUS AND sdh.contract_number = nvl( pi_contract_no ,sdh.contract_number ) AND sdh.stage_id = nvl( pi_stage_id ,sdh.stage_id ) ; lv_error_msg sad_products_t.exception_description%TYPE ; BEGIN FOR rec_contract IN cur_contract LOOP validate_process_status ( rec_contract.contract_number ,rec_contract.stage_id ,lv_error_msg ) ; END LOOP ; po_error_msg := lv_error_msg ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_subtype_pkg' ,'g_header_waiting_split_status' ,MIG_PV_VAL_DUMMY_G_HEADER_WAITING_SPLIT_STATUS ) ; END ; / |
RETURN后的SET VARIABLE函数
SET VARIABLE函数应在过程和函数中的RETURN语句前被调用。
输入
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CREATE OR REPLACE PACKAGE BODY SAD.bas_dml_lookup_pkg IS g_pkg_name CONSTANT VARCHAR2(30) := 'bas_dml_lookup_pkg' ; g_func_name VARCHAR2(100); FUNCTION func_name RETURN VARCHAR2 IS l_func_name VARCHAR2(100) ; BEGIN g_func_name := 'func_name'; l_func_name := g_pkg_name || '.' || g_func_name ; RETURN l_func_name ; END; PROCEDURE data_change_logs ( pi_table_name IN VARCHAR2 , pi_table_key_columns IN VARCHAR2 , po_error_msg OUT VARCHAR2 ) IS BEGIN g_func_name := 'data_change_logs'; IF pi_table_name IS NULL THEN RETURN; END IF; INSERT INTO fnd_data_change_logs_t ( logid, table_name, table_key_columns ) VALUES ( fnd_data_change_logs_t_s.NEXTVAL , pi_table_name, pi_table_key_columns ); EXCEPTION WHEN OTHERS THEN po_error_msg := 'Others Exception raise in ' || func_name || ',' || SQLERRM; END data_change_logs; END bas_dml_lookup_pkg; / |
输出
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BEGIN INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME,SPEC_OR_BODY,VARIABLE_NAME , VARIABLE_TYPE,CONSTANT_I,DEFAULT_VALUE , RUNTIME_EXEC_I ) VALUES ( UPPER('bas_dml_lookup_pkg'), 'B', UPPER('g_pkg_name') , UPPER( 'VARCHAR2(30)' ), TRUE, 'bas_dml_lookup_pkg' , FALSE ) ; INSERT INTO MIG_ORA_EXT.MIG_PKG_VARIABLES ( PACKAGE_NAME,SPEC_OR_BODY,VARIABLE_NAME , VARIABLE_TYPE,CONSTANT_I,DEFAULT_VALUE , RUNTIME_EXEC_I ) VALUES ( UPPER('bas_dml_lookup_pkg'), 'B', UPPER('g_func_name') , UPPER( 'VARCHAR2(100)' ), FALSE, NULL, FALSE ) ; END ; / CREATE OR REPLACE FUNCTION SAD.bas_dml_lookup_pkg#func_name RETURN VARCHAR2 PACKAGE IS MIG_PV_VAL_DUMMY_G_PKG_NAME VARCHAR2 ( 30 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_pkg_name' ) ::VARCHAR2 ( 30 ) ; MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2 ( 100 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ) ::VARCHAR2 ( 100 ) ; l_func_name VARCHAR2 ( 100 ) ; BEGIN MIG_PV_VAL_DUMMY_G_FUNC_NAME := 'func_name' ; l_func_name := MIG_PV_VAL_DUMMY_G_PKG_NAME || '.' || MIG_PV_VAL_DUMMY_G_FUNC_NAME ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ,MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_pkg_name' ,MIG_PV_VAL_DUMMY_G_PKG_NAME ) ; RETURN l_func_name ; END ; / CREATE OR REPLACE PROCEDURE SAD.bas_dml_lookup_pkg#data_change_logs ( pi_table_name IN VARCHAR2 , pi_table_key_columns IN VARCHAR2 , po_error_msg OUT VARCHAR2 ) PACKAGE IS MIG_PV_VAL_DUMMY_G_FUNC_NAME VARCHAR2 ( 100 ) := MIG_ORA_EXT.MIG_FN_GET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ) ::VARCHAR2 ( 100 ) ; BEGIN MIG_PV_VAL_DUMMY_G_FUNC_NAME := 'data_change_logs' ; IF pi_table_name IS NULL THEN MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ,MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; RETURN ; END IF ; INSERT INTO fnd_data_change_logs_t ( logid, table_name, table_key_columns ) VALUES ( NEXTVAL ( 'fnd_data_change_logs_t_s' ), pi_table_name, pi_table_key_columns ) ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ,MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; EXCEPTION WHEN OTHERS THEN po_error_msg := 'Others Exception raise in ' || SAD.bas_dml_lookup_pkg#func_name ( ) || ',' || SQLERRM ; MIG_ORA_EXT.MIG_FN_SET_PKG_VARIABLE ( 'SAD' ,'bas_dml_lookup_pkg' ,'g_func_name' ,MIG_PV_VAL_DUMMY_G_FUNC_NAME ) ; END ; / |
空包
无需迁移空包体。
输入
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CREATE OR REPLACE PACKAGE BODY SAD.bas_subtype_pkg IS BEGIN NULL; END bas_subtype_pkg; / |
输出文件为空。