ORA-06502: PL/SQL: numeric or value error: character to number conversion error using clob not working
ORA-06502: PL/SQL: numeric or value error: character to number conversion error using clob not working
我想在 oracle 过程中 select 多个 JOBID's 的数据，所以在这样做时我收到错误
ORA-06502: PL/SQL: numeric or value error: character to number conversion error
出于这个原因，我将 JOBID 的数据类型更改为 CLOB，但仍然没有任何工作并出现相同的错误。
SELECT CAST( STR2TBL('7507, 22781, 24949, 187771, 189739, 185736, 185737, 187276, 187665, 186012, 185743,
187559, 195056, 185626, 186337, 186655, 187495, 185679, 186352, 187578, 189666, 186017, 186254, 190430,
185176, 186243, 186389, 184861, 188567, 192888, 186283, 191680, 186355, 186775, 186776, 189203, 189910,
184871, 184906, 186125, 186336, 186339, 186565, 190469, 192138, 187710, 190267, 189186, 191515, 187711,
186442, 187866, 186351, 190211, 186159, 191145, 191377, 187859, 187952, 192877, 185906, 187533, 190735,
185907, 186248, 189255, 185625, 190941, 185449, 191380, 186106, 189510, 186360, 191302, 189611, 190617,
185792, 187083, 188226, 185288, 188150, 186903, 189377, 191694, 188053, 186112, 186683, 192014, 185416,
191872, 185287, 185305, 190949, 186108, 186109, 189351, 186134, 188553, 188677, 189732, 187494, 188509,
192253, 189756, 191681, 186313, 189972, 191752, 185663, 186169, 188137, 188508, 185178, 192363, 185122,
190679, 187951, 190905, 194509, 194510, 203859, 194422, 195960, 199874, 202223, 204643, 204648, 204808,
193250, 198709, 204132, 203977, 197526, 198293, 204636, 193779, 197365, 194224, 194842, 194657, 202435,
194597, 204664, 199924, 194526, 195664, 196277, 204668, 204671, 199873, 197154, 199879, 200267, 204798,
204806, 204028, 203714, 203858, 204650, 204658, 195039, 196382, 198780, 199991, 204942, 204947, 204955,
199989, 203400, 203409, 194846, 199896, 200558, 200726, 193576, 204633, 204667, 204674, 204675, 204911,
195745, 198303, 201390, 199988, 198405, 198826, 199871, 199926, 193249, 195256, 199877, 194266, 201870,
196115, 196186, 196949, 202114, 204338, 198203, 202113, 195171, 197902, 198215, 204566, 199990, 193851,
195746, 199872, 202511, 200136, 204600, 204634, 204635, 204646, 204651, 204653, 204654, 204665, 204670,
193058, 193260, 203220, 202043, 193061, 205345, 205192, 205033, 205267, 205400, 205249, 205324, 205351,
205117, 205141, 205142, 205289, 205285, 205016, 205151, 205395, 205220, 205100, 205113, 205140, 205105,
10522, 3473, 676, 2626, 3474, 3116, 8246, 3478, 5136, 675, 6816, 2621, 2622, 2623, 2624, 3476, 3115, 526,
2625, 2627, 4175, 674, 5873, 5874, 3475, 3114, 446, 8746, 12825, 16173, 12826, 20967, 25133, 32526, 30226' ) AS MYTABLETYPE ) FROM DUAL;
另外 STR2TBL 是我的内置函数
create or replace function str2tbl( p_str in CLOB ) return myTableType
as
l_str long default p_str || ',';
l_n number;
l_data myTableType := myTabletype();
begin
loop
l_n := instr( l_str, ',' );
exit when (nvl(l_n,0) = 0);
l_data.extend;
l_data( l_data.count ) := ltrim(rtrim(substr(l_str,1,l_n-1)));
l_str := substr( l_str, l_n+1 );
end loop;
return l_data;
END;
您的程序效率低下，因为它不断用更小的子字符串覆盖 CLOB。
相反，您可以跟踪每个术语前后逗号的位置，并使用此 split_string function 从这些位置找到子字符串（将数据类型更改为 CLOB）：
CREATE OR REPLACE TYPE stringlist AS TABLE OF VARCHAR2(20)
/
CREATE OR REPLACE FUNCTION split_String(
i_str IN CLOB,
i_delim IN VARCHAR2 DEFAULT ','
) RETURN stringlist DETERMINISTIC
AS
p_result stringlist := stringlist();
p_start NUMBER(5) := 1;
p_end NUMBER(5);
c_len CONSTANT NUMBER(5) := LENGTH( i_str );
c_ld CONSTANT NUMBER(5) := LENGTH( i_delim );
BEGIN
IF c_len > 0 THEN
p_end := INSTR( i_str, i_delim, p_start );
WHILE p_end > 0 LOOP
p_result.EXTEND;
p_result( p_result.COUNT ) := SUBSTR( i_str, p_start, p_end - p_start );
p_start := p_end + c_ld;
p_end := INSTR( i_str, i_delim, p_start );
END LOOP;
IF p_start <= c_len + 1 THEN
p_result.EXTEND;
p_result( p_result.COUNT ) := SUBSTR( i_str, p_start, c_len - p_start + 1 );
END IF;
END IF;
RETURN p_result;
END;
/
那么你可以这样使用它：
SELECT column_value
FROM TABLE(split_string(
'7507, 22781, 24949, 187771, 189739, 185736, 185737, 187276, 187665, 186012, 185743, 187559, 195056, 185626, 186337, 186655, 187495, 185679, 186352, 187578, 189666, 186017, 186254, 190430, 185176, 186243, 186389, 184861, 188567, 192888, 186283, 191680, 186355, 186775, 186776, 189203, 189910, 184871, 184906, 186125, 186336, 186339, 186565, 190469, 192138, 187710, 190267, 189186, 191515, 187711, 186442, 187866, 186351, 190211, 186159, 191145, 191377, 187859, 187952, 192877, 185906, 187533, 190735, 185907, 186248, 189255, 185625, 190941, 185449, 191380, 186106, 189510, 186360, 191302, 189611, 190617, 185792, 187083, 188226, 185288, 188150, 186903, 189377, 191694, 188053, 186112, 186683, 192014, 185416, 191872, 185287, 185305, 190949, 186108, 186109, 189351, 186134, 188553, 188677, 189732, 187494, 188509, 192253, 189756, 191681, 186313, 189972, 191752, 185663, 186169, 188137, 188508, 185178, 192363, 185122, 190679, 187951, 190905, 194509, 194510, 203859, 194422, 195960, 199874, 202223, 204643, 204648, 204808, 193250, 198709, 204132, 203977, 197526, 198293, 204636, 193779, 197365, 194224, 194842, 194657, 202435, 194597, 204664, 199924, 194526, 195664, 196277, 204668, 204671, 199873, 197154, 199879, 200267, 204798, 204806, 204028, 203714, 203858, 204650, 204658, 195039, 196382, 198780, 199991, 204942, 204947, 204955, 199989, 203400, 203409, 194846, 199896, 200558, 200726, 193576, 204633, 204667, 204674, 204675, 204911, 195745, 198303, 201390, 199988, 198405, 198826, 199871, 199926, 193249, 195256, 199877, 194266, 201870, 196115, 196186, 196949, 202114, 204338, 198203, 202113, 195171, 197902, 198215, 204566, 199990, 193851, 195746, 199872, 202511, 200136, 204600, 204634, 204635, 204646, 204651, 204653, 204654, 204665, 204670, 193058, 193260, 203220, 202043, 193061, 205345, 205192, 205033, 205267, 205400, 205249, 205324, 205351, 205117, 205141, 205142, 205289, 205285, 205016, 205151, 205395, 205220, 205100, 205113, 205140, 205105, 10522, 3473, 676, 2626, 3474, 3116, 8246, 3478, 5136, 675, 6816, 2621, 2622, 2623, 2624, 3476, 3115, 526, 2625, 2627, 4175, 674, 5873, 5874, 3475, 3114, 446, 8746, 12825, 16173, 12826, 20967, 25133, 32526, 30226',
', '
));
db<>fiddle here
我想在 oracle 过程中 select 多个 JOBID's 的数据，所以在这样做时我收到错误
ORA-06502: PL/SQL: numeric or value error: character to number conversion error
出于这个原因，我将 JOBID 的数据类型更改为 CLOB，但仍然没有任何工作并出现相同的错误。
SELECT CAST( STR2TBL('7507, 22781, 24949, 187771, 189739, 185736, 185737, 187276, 187665, 186012, 185743,
187559, 195056, 185626, 186337, 186655, 187495, 185679, 186352, 187578, 189666, 186017, 186254, 190430,
185176, 186243, 186389, 184861, 188567, 192888, 186283, 191680, 186355, 186775, 186776, 189203, 189910,
184871, 184906, 186125, 186336, 186339, 186565, 190469, 192138, 187710, 190267, 189186, 191515, 187711,
186442, 187866, 186351, 190211, 186159, 191145, 191377, 187859, 187952, 192877, 185906, 187533, 190735,
185907, 186248, 189255, 185625, 190941, 185449, 191380, 186106, 189510, 186360, 191302, 189611, 190617,
185792, 187083, 188226, 185288, 188150, 186903, 189377, 191694, 188053, 186112, 186683, 192014, 185416,
191872, 185287, 185305, 190949, 186108, 186109, 189351, 186134, 188553, 188677, 189732, 187494, 188509,
192253, 189756, 191681, 186313, 189972, 191752, 185663, 186169, 188137, 188508, 185178, 192363, 185122,
190679, 187951, 190905, 194509, 194510, 203859, 194422, 195960, 199874, 202223, 204643, 204648, 204808,
193250, 198709, 204132, 203977, 197526, 198293, 204636, 193779, 197365, 194224, 194842, 194657, 202435,
194597, 204664, 199924, 194526, 195664, 196277, 204668, 204671, 199873, 197154, 199879, 200267, 204798,
204806, 204028, 203714, 203858, 204650, 204658, 195039, 196382, 198780, 199991, 204942, 204947, 204955,
199989, 203400, 203409, 194846, 199896, 200558, 200726, 193576, 204633, 204667, 204674, 204675, 204911,
195745, 198303, 201390, 199988, 198405, 198826, 199871, 199926, 193249, 195256, 199877, 194266, 201870,
196115, 196186, 196949, 202114, 204338, 198203, 202113, 195171, 197902, 198215, 204566, 199990, 193851,
195746, 199872, 202511, 200136, 204600, 204634, 204635, 204646, 204651, 204653, 204654, 204665, 204670,
193058, 193260, 203220, 202043, 193061, 205345, 205192, 205033, 205267, 205400, 205249, 205324, 205351,
205117, 205141, 205142, 205289, 205285, 205016, 205151, 205395, 205220, 205100, 205113, 205140, 205105,
10522, 3473, 676, 2626, 3474, 3116, 8246, 3478, 5136, 675, 6816, 2621, 2622, 2623, 2624, 3476, 3115, 526,
2625, 2627, 4175, 674, 5873, 5874, 3475, 3114, 446, 8746, 12825, 16173, 12826, 20967, 25133, 32526, 30226' ) AS MYTABLETYPE ) FROM DUAL;
另外 STR2TBL 是我的内置函数
create or replace function str2tbl( p_str in CLOB ) return myTableType
as
l_str long default p_str || ',';
l_n number;
l_data myTableType := myTabletype();
begin
loop
l_n := instr( l_str, ',' );
exit when (nvl(l_n,0) = 0);
l_data.extend;
l_data( l_data.count ) := ltrim(rtrim(substr(l_str,1,l_n-1)));
l_str := substr( l_str, l_n+1 );
end loop;
return l_data;
END;
您的程序效率低下，因为它不断用更小的子字符串覆盖 CLOB。
相反，您可以跟踪每个术语前后逗号的位置，并使用此 split_string function 从这些位置找到子字符串（将数据类型更改为 CLOB）：
CREATE OR REPLACE TYPE stringlist AS TABLE OF VARCHAR2(20)
/
CREATE OR REPLACE FUNCTION split_String(
i_str IN CLOB,
i_delim IN VARCHAR2 DEFAULT ','
) RETURN stringlist DETERMINISTIC
AS
p_result stringlist := stringlist();
p_start NUMBER(5) := 1;
p_end NUMBER(5);
c_len CONSTANT NUMBER(5) := LENGTH( i_str );
c_ld CONSTANT NUMBER(5) := LENGTH( i_delim );
BEGIN
IF c_len > 0 THEN
p_end := INSTR( i_str, i_delim, p_start );
WHILE p_end > 0 LOOP
p_result.EXTEND;
p_result( p_result.COUNT ) := SUBSTR( i_str, p_start, p_end - p_start );
p_start := p_end + c_ld;
p_end := INSTR( i_str, i_delim, p_start );
END LOOP;
IF p_start <= c_len + 1 THEN
p_result.EXTEND;
p_result( p_result.COUNT ) := SUBSTR( i_str, p_start, c_len - p_start + 1 );
END IF;
END IF;
RETURN p_result;
END;
/
那么你可以这样使用它：
SELECT column_value
FROM TABLE(split_string(
'7507, 22781, 24949, 187771, 189739, 185736, 185737, 187276, 187665, 186012, 185743, 187559, 195056, 185626, 186337, 186655, 187495, 185679, 186352, 187578, 189666, 186017, 186254, 190430, 185176, 186243, 186389, 184861, 188567, 192888, 186283, 191680, 186355, 186775, 186776, 189203, 189910, 184871, 184906, 186125, 186336, 186339, 186565, 190469, 192138, 187710, 190267, 189186, 191515, 187711, 186442, 187866, 186351, 190211, 186159, 191145, 191377, 187859, 187952, 192877, 185906, 187533, 190735, 185907, 186248, 189255, 185625, 190941, 185449, 191380, 186106, 189510, 186360, 191302, 189611, 190617, 185792, 187083, 188226, 185288, 188150, 186903, 189377, 191694, 188053, 186112, 186683, 192014, 185416, 191872, 185287, 185305, 190949, 186108, 186109, 189351, 186134, 188553, 188677, 189732, 187494, 188509, 192253, 189756, 191681, 186313, 189972, 191752, 185663, 186169, 188137, 188508, 185178, 192363, 185122, 190679, 187951, 190905, 194509, 194510, 203859, 194422, 195960, 199874, 202223, 204643, 204648, 204808, 193250, 198709, 204132, 203977, 197526, 198293, 204636, 193779, 197365, 194224, 194842, 194657, 202435, 194597, 204664, 199924, 194526, 195664, 196277, 204668, 204671, 199873, 197154, 199879, 200267, 204798, 204806, 204028, 203714, 203858, 204650, 204658, 195039, 196382, 198780, 199991, 204942, 204947, 204955, 199989, 203400, 203409, 194846, 199896, 200558, 200726, 193576, 204633, 204667, 204674, 204675, 204911, 195745, 198303, 201390, 199988, 198405, 198826, 199871, 199926, 193249, 195256, 199877, 194266, 201870, 196115, 196186, 196949, 202114, 204338, 198203, 202113, 195171, 197902, 198215, 204566, 199990, 193851, 195746, 199872, 202511, 200136, 204600, 204634, 204635, 204646, 204651, 204653, 204654, 204665, 204670, 193058, 193260, 203220, 202043, 193061, 205345, 205192, 205033, 205267, 205400, 205249, 205324, 205351, 205117, 205141, 205142, 205289, 205285, 205016, 205151, 205395, 205220, 205100, 205113, 205140, 205105, 10522, 3473, 676, 2626, 3474, 3116, 8246, 3478, 5136, 675, 6816, 2621, 2622, 2623, 2624, 3476, 3115, 526, 2625, 2627, 4175, 674, 5873, 5874, 3475, 3114, 446, 8746, 12825, 16173, 12826, 20967, 25133, 32526, 30226',
', '
));
db<>fiddle here