PKG_COLLECTION_LHR 存储过程或函数返回集合类型
存储过程或函数可以返回集合类型，方法很多，今天整理在一个包中，其它情况可照猫画虎。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 | CREATE OR REPLACE PACKAGE PKG_COLLECTION_LHR AUTHID CURRENT_USER AS ----------------------------------------------------------------------------------- -- Created on 2013-05-24 14:37:41 by lhr --Changed on 2013-05-24 14:37:41 by lhr -- function： 返回各种各样的集合 /* DROP TYPE obj_all_address_lhr FORCE;DROP TYPE typ_all_address_lhr FORCE; CREATE OR REPLACE TYPE obj_all_address_lhr AS OBJECT( P_LEVEL NUMBER(18), EMPNO NUMBER(18), ENAME VARCHAR2(4000), MGR NUMBER(18), NAME_ALL VARCHAR2(4000), ALL_NAME_LEVEL VARCHAR2(4000), ROOT VARCHAR2(4000), IS_LEAF VARCHAR2(10) );CREATE OR REPLACE TYPE typ_all_address_lhr AS TABLE OF obj_all_address_lhr;*/ ----------------------------------------------------------------------------------- -----------------------------变量-------------------------------------- TYPE TYPE_CURSOR IS REF CURSOR; TYPE TYPE_RECORD IS RECORD( P_LEVEL NUMBER(18), EMPNO NUMBER(18), ENAME VARCHAR2(4000), MGR NUMBER(18), NAME_ALL VARCHAR2(4000), ALL_NAME_LEVEL VARCHAR2(4000), ROOT VARCHAR2(4000), IS_LEAF VARCHAR2(10)); TYPE T_RECORD IS TABLE OF TYPE_RECORD; -----------------------------存过-------------------------------------- --系统游标 --推荐 PROCEDURE P_SYS_REFCURSOR_LHR(P_EMPNO IN NUMBER, CUR_SYS OUT SYS_REFCURSOR); -- 自定义游标 PROCEDURE P_SYS_REFCURSOR_LHR_01(P_EMPNO IN NUMBER, CUR_SYS OUT TYPE_CURSOR); ---索引表 --包级别 PROCEDURE P_INDEX_TABLE_PKG_LHR(P_EMPNO IN NUMBER, O_T_RECORD OUT T_RECORD); ------------------------------函数------------------------------------- --系统游标 FUNCTION F_GET_SYS_REFCURSOR_LHR(P_EMPNO NUMBER) RETURN SYS_REFCURSOR; --索引表 --包 级别 不能通过sql语句直接查询 FUNCTION F_GET_INDEX_TABLE_PKG_LHR(P_EMPNO NUMBER) RETURN T_RECORD; --索引表 --schema 级别 可以直接查询 /*select D.* from table( f_get_all_address_lhr(306628323)) D; select * from the(select f_get_all_address_lhr(306628323) from dual);*/ FUNCTION F_GET_INDEX_TABLE_SCHEMA_LHR(P_EMPNO NUMBER) RETURN TYP_ALL_ADDRESS_LHR; ---- 索引表 --schema 级别 --管道化 可以直接查询 FUNCTION F_GET_INDEX_TABLE_PIPE_LHR(P_EMPNO NUMBER) RETURN TYP_ALL_ADDRESS_LHR PIPELINED;END PKG_COLLECTION_LHR;/CREATE OR REPLACE PACKAGE BODY PKG_COLLECTION_LHR AS PROCEDURE P_SYS_REFCURSOR_LHR(P_EMPNO IN NUMBER, CUR_SYS OUT SYS_REFCURSOR) IS /*DECLARE CUR_A SYS_REFCURSOR; R_TYPE_RECORD PKG_COLLECTION_LHR.TYPE_RECORD;BEGIN PKG_COLLECTION_LHR.P_SYS_REFCURSOR_LHR(7900, CUR_A); LOOP FETCH CUR_A INTO R_TYPE_RECORD; EXIT WHEN CUR_A%NOTFOUND; DBMS_OUTPUT.PUT_LINE(R_TYPE_RECORD.EMPNO); END LOOP;END;*/ BEGIN OPEN CUR_SYS FOR SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO; EXCEPTION WHEN OTHERS THEN NULL; END P_SYS_REFCURSOR_LHR; ------------------------------------------------------------------------------------------------------ PROCEDURE P_SYS_REFCURSOR_LHR_01(P_EMPNO IN NUMBER, CUR_SYS OUT TYPE_CURSOR) IS /* --测试： DECLARE CUR_A PKG_COLLECTION_LHR.TYPE_CURSOR; R_TYPE_RECORD PKG_COLLECTION_LHR.TYPE_RECORD;BEGIN PKG_COLLECTION_LHR.P_SYS_REFCURSOR_LHR_01(7809, CUR_A); LOOP FETCH CUR_A INTO R_TYPE_RECORD; EXIT WHEN CUR_A%NOTFOUND; DBMS_OUTPUT.PUT_LINE(R_TYPE_RECORD.EMPNO); END LOOP;END;*/ BEGIN OPEN CUR_SYS FOR SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO; EXCEPTION WHEN OTHERS THEN NULL; END P_SYS_REFCURSOR_LHR_01; ------------------------------------------------------------------------------------------------------ PROCEDURE P_INDEX_TABLE_PKG_LHR(P_EMPNO IN NUMBER, O_T_RECORD OUT T_RECORD) IS /* --测试： DECLARE CUR_A PKG_COLLECTION_LHR.TYPE_CURSOR; R_TYPE_RECORD PKG_COLLECTION_LHR.TYPE_RECORD;BEGIN PKG_COLLECTION_LHR.P_SYS_REFCURSOR_LHR_01(306628323, CUR_A); LOOP FETCH CUR_A INTO R_TYPE_RECORD; EXIT WHEN CUR_A%NOTFOUND; DBMS_OUTPUT.PUT_LINE(R_TYPE_RECORD.EMPNO); END LOOP;END;*/ R_TYPE TYPE_RECORD; BEGIN O_T_RECORD := T_RECORD(); -- 注意这句不能丢 不然会报：ORA-06531: 引用未初始化的收集 FOR CUR IN (SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO) LOOP R_TYPE.P_LEVEL := CUR.P_LEVEL; R_TYPE.ALL_NAME_LEVEL := CUR.ALL_NAME_LEVEL; R_TYPE.ROOT := CUR.ROOT; R_TYPE.IS_LEAF := CUR.IS_LEAF; O_T_RECORD.EXTEND; O_T_RECORD(O_T_RECORD.LAST) := R_TYPE; END LOOP; EXCEPTION WHEN OTHERS THEN NULL; END P_INDEX_TABLE_PKG_LHR; ------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------ FUNCTION F_GET_SYS_REFCURSOR_LHR(P_EMPNO NUMBER) RETURN SYS_REFCURSOR IS ----------------------------------------------------------------------------------- -- Created on 2013-05-24 14:37:41 by lhr --Changed on 2013-05-24 14:37:41 by lhr -- function： --测试： SELECT pkg_collection_lhr.f_get_SYS_REFCURSOR_lhr(306628323) FROM dual; ----------------------------------------------------------------------------------- CUR_SYS SYS_REFCURSOR; BEGIN OPEN CUR_SYS FOR SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO; RETURN CUR_SYS; EXCEPTION WHEN OTHERS THEN NULL; END; ------------------------------------------------------------------------------------------------------ FUNCTION F_GET_INDEX_TABLE_PKG_LHR(P_EMPNO NUMBER) RETURN T_RECORD IS O_T_RECORD T_RECORD; R_TYPE TYPE_RECORD; /*DECLARE RESULT pkg_collection_lhr.t_record; BEGIN -- Call the function RESULT := pkg_collection_lhr.f_get_index_table_pkg_lhr(P_EMPNO => 306628323); dbms_output.put_line(RESULT(1).id); END;*/ BEGIN O_T_RECORD := T_RECORD(); -- 注意这句不能丢 不然会报：ORA-06531: 引用未初始化的收集 FOR CUR IN (SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO) LOOP R_TYPE.P_LEVEL := CUR.P_LEVEL; R_TYPE.ALL_NAME_LEVEL := CUR.ALL_NAME_LEVEL; R_TYPE.ROOT := CUR.ROOT; R_TYPE.IS_LEAF := CUR.IS_LEAF; O_T_RECORD.EXTEND; O_T_RECORD(O_T_RECORD.LAST) := R_TYPE; RETURN O_T_RECORD; END LOOP; END F_GET_INDEX_TABLE_PKG_LHR; ----------------------------------------------------------------------------------- -- Created on 2012/8/20 11:33:07 by lhr --Changed on 2012/8/20 11:33:07 by lhr -- function： /*select D.* from table( f_get_all_address_lhr(306628323)) D; select * from the(select f_get_all_address_lhr(306628323) from dual);*/ ----------------------------------------------------------------------------------- FUNCTION F_GET_INDEX_TABLE_SCHEMA_LHR(P_EMPNO NUMBER) RETURN TYP_ALL_ADDRESS_LHR IS SP_TABLE_LHR TYP_ALL_ADDRESS_LHR := TYP_ALL_ADDRESS_LHR(); -- sp_table_lhr typ_all_address_lhr ; BEGIN SELECT OBJ_ALL_ADDRESS_LHR(P_LEVEL, EMPNO, ENAME, MGR, NAME_ALL, ALL_NAME_LEVEL, ROOT, IS_LEAF) BULK COLLECT INTO SP_TABLE_LHR FROM (SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO); ---或者用如下的for循环 /* FOR cur IN (SELECT LEVEL p_level, t.id, t.parentid, t.assemblename, t.addresslevel, (SELECT d.description FROM x_dictionary d WHERE d. classid = 'ADDRESS' AND d.attributeid = 'ADDRESSLEVEL' AND d.value = t.addresslevel) add_level_description, (lpad(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || t.name || '(' || t.id || ')') NAME_ALL, substr(sys_connect_by_path(t.name, '=>'), 3) all_name_level, connect_by_root(t.name) root, decode(connect_by_isleaf, 1, 'Y', 0, 'N') is_leaf FROM xb_address t START WITH t.id = P_EMPNO CONNECT BY nocycle PRIOR t.parentid = id) LOOP sp_table_lhr.EXTEND; sp_table_lhr(sp_table_lhr.last) := obj_all_address_lhr('', '', '', '', '', '', '', '', '', ''); sp_table_lhr(sp_table_lhr.last).p_level := cur.p_level; sp_table_lhr(sp_table_lhr.last).id := cur.id; sp_table_lhr(sp_table_lhr.last).parentid := cur.parentid; END LOOP; */ ---或者用如下的for循环 /* FOR cur IN (SELECT LEVEL p_level, t.id, t.parentid, t.assemblename, t.addresslevel, (SELECT d.description FROM x_dictionary d WHERE d. classid = 'ADDRESS' AND d.attributeid = 'ADDRESSLEVEL' AND d.value = t.addresslevel) add_level_description, (lpad(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || t.name || '(' || t.id || ')') NAME_ALL, substr(sys_connect_by_path(t.name, '=>'), 3) all_name_level, connect_by_root(t.name) root, decode(connect_by_isleaf, 1, 'Y', 0, 'N') is_leaf FROM xb_address t START WITH t.id = P_EMPNO CONNECT BY nocycle PRIOR t.parentid = id) LOOP sp_table_lhr.EXTEND; sp_table_lhr(sp_table_lhr.last) := obj_all_address_lhr(cur.p_level, cur.id, cur.parentid, cur.assemblename, cur.addresslevel, cur.add_level_description, cur.NAME_ALL, cur.all_name_level, cur.root, cur.is_leaf); END LOOP; */ RETURN SP_TABLE_LHR; END F_GET_INDEX_TABLE_SCHEMA_LHR; ------------------------------------------------------------------------------------------------------ FUNCTION F_GET_INDEX_TABLE_PIPE_LHR(P_EMPNO NUMBER) RETURN TYP_ALL_ADDRESS_LHR PIPELINED IS SP_TABLE_LHR OBJ_ALL_ADDRESS_LHR; BEGIN FOR CUR IN (SELECT LEVEL P_LEVEL, T.EMPNO, T.ENAME, T.MGR, (LPAD(' ', 6 * (LEVEL - 1)) || LEVEL || ':' || T.ENAME || '(' || T.EMPNO || ')') NAME_ALL, SUBSTR(SYS_CONNECT_BY_PATH(T.ENAME, '=>'), 3) ALL_NAME_LEVEL, CONNECT_BY_ROOT(T.ENAME) ROOT, DECODE(CONNECT_BY_ISLEAF, 1, 'Y', 0, 'N') IS_LEAF FROM SCOTT.EMP T START WITH MGR IS NULL CONNECT BY NOCYCLE MGR = PRIOR EMPNO) LOOP SP_TABLE_LHR := OBJ_ALL_ADDRESS_LHR(CUR.P_LEVEL, CUR.Empno, CUR.Ename, CUR.Mgr, cur.NAME_ALL, CUR.ALL_NAME_LEVEL, CUR.ROOT, CUR.IS_LEAF); PIPE ROW(SP_TABLE_LHR); END LOOP; RETURN; END F_GET_INDEX_TABLE_PIPE_LHR;END PKG_COLLECTION_LHR;/ |
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