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Emit a warning when an empty string is input to the oid, float4, and
float8 types. This begins the deprecation of this feature: in 7.6, this input will be rejected. Also added a new error code for warnings about deprecated features, and updated the regression tests.
This commit is contained in:
Neil Conway
parent
0b1f7cccd7
commit
2146bfc869
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/errcodes.sgml,v 1.2 2003/11/29 19:51:37 pgsql Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/errcodes.sgml,v 1.3 2004/03/04 21:47:18 neilc Exp $ -->
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<appendix id="errcodes-appendix">
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<title><productname>PostgreSQL</productname> Error Codes</title>
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@ -95,6 +95,10 @@
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<entry>WARNING STRING DATA RIGHT TRUNCATION</entry>
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</row>
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<row>
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<entry><literal>01P01</literal></entry>
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<entry>WARNING DEPRECATED FEATURE</entry>
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</row>
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<row>
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<entry>Class 02</entry>
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.96 2003/11/29 19:51:58 pgsql Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.97 2004/03/04 21:47:18 neilc Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -208,6 +208,19 @@ float4in(PG_FUNCTION_ARGS)
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errmsg("\"%s\" is out of range for type real", num)));
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}
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/*
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* In releases prior to 7.5, we accepted an empty string as valid
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* input (yielding a float4 of 0). In 7.5, we accept empty
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* strings, but emit a warning noting that the feature is
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* deprecated. In 7.6+, the warning should be replaced by an error.
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*/
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if (num == endptr)
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ereport(WARNING,
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(errcode(ERRCODE_WARNING_DEPRECATED_FEATURE),
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errmsg("deprecated input syntax for type real: \"\""),
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errdetail("This input will be rejected in "
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"a future release of PostgreSQL.")));
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/*
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* if we get here, we have a legal double, still need to check to see
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* if it's a legal float
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@ -309,6 +322,19 @@ float8in(PG_FUNCTION_ARGS)
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errmsg("\"%s\" is out of range for type double precision", num)));
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}
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/*
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* In releases prior to 7.5, we accepted an empty string as valid
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* input (yielding a float8 of 0). In 7.5, we accept empty
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* strings, but emit a warning noting that the feature is
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* deprecated. In 7.6+, the warning should be replaced by an error.
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*/
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if (num == endptr)
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ereport(WARNING,
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(errcode(ERRCODE_WARNING_DEPRECATED_FEATURE),
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errmsg("deprecated input syntax for type double precision: \"\""),
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errdetail("This input will be rejected in "
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"a future release of PostgreSQL.")));
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CheckFloat8Val(val);
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PG_RETURN_FLOAT8(val);
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.54 2004/02/18 00:01:34 neilc Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.55 2004/03/04 21:47:18 neilc Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -40,15 +40,27 @@ oidin_subr(const char *funcname, const char *s, char **endloc)
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* strtoul() normally only sets ERANGE. On some systems it also may
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* set EINVAL, which simply means it couldn't parse the input string.
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* This is handled by the second "if" consistent across platforms.
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* Note that for historical reasons we accept an empty string as
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* meaning 0.
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*/
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if (errno && errno != ERANGE && errno != EINVAL)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
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errmsg("invalid input syntax for type oid: \"%s\"",
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s)));
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if (endptr == s && *endptr)
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/*
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* In releases prior to 7.5, we accepted an empty string as valid
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* input (yielding an OID of 0). In 7.5, we accept empty strings,
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* but emit a warning noting that the feature is deprecated. In
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* 7.6+, the warning should be replaced by an error.
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*/
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if (*s == '\0')
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ereport(WARNING,
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(errcode(ERRCODE_WARNING_DEPRECATED_FEATURE),
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errmsg("deprecated input syntax for type oid: \"\""),
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errdetail("This input will be rejected in "
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"a future release of PostgreSQL.")));
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if (endptr == s && *s)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
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errmsg("invalid input syntax for type oid: \"%s\"",
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@ -11,7 +11,7 @@
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*
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* Copyright (c) 2003, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/include/utils/errcodes.h,v 1.7 2003/11/29 22:41:15 pgsql Exp $
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* $PostgreSQL: pgsql/src/include/utils/errcodes.h,v 1.8 2004/03/04 21:47:18 neilc Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -44,6 +44,7 @@
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#define ERRCODE_WARNING_IMPLICIT_ZERO_BIT_PADDING MAKE_SQLSTATE('0','1', '0','0','8')
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#define ERRCODE_WARNING_NULL_VALUE_ELIMINATED_IN_SET_FUNCTION MAKE_SQLSTATE('0','1', '0','0','3')
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#define ERRCODE_WARNING_STRING_DATA_RIGHT_TRUNCATION MAKE_SQLSTATE('0','1', '0','0','4')
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#define ERRCODE_WARNING_DEPRECATED_FEATURE MAKE_SQLSTATE('0','1', 'P','0','1')
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/* Class 02 - No Data --- this is also a warning class per SQL99 */
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/* (do not use this class for failure conditions!) */
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@ -7,7 +7,6 @@ INSERT INTO OID_TBL(f1) VALUES ('1235');
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INSERT INTO OID_TBL(f1) VALUES ('987');
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INSERT INTO OID_TBL(f1) VALUES ('-1040');
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INSERT INTO OID_TBL(f1) VALUES ('99999999');
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INSERT INTO OID_TBL(f1) VALUES ('');
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-- bad inputs
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INSERT INTO OID_TBL(f1) VALUES ('asdfasd');
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ERROR: invalid input syntax for type oid: "asdfasd"
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@ -21,8 +20,7 @@ SELECT '' AS six, OID_TBL.*;
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| 987
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| 4294966256
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| 99999999
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| 0
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(6 rows)
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(5 rows)
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SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 = 1234;
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one | f1
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@ -37,23 +35,20 @@ SELECT '' AS five, o.* FROM OID_TBL o WHERE o.f1 <> '1234';
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| 987
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| 4294966256
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| 99999999
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| 0
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(5 rows)
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(4 rows)
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SELECT '' AS three, o.* FROM OID_TBL o WHERE o.f1 <= '1234';
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three | f1
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-------+------
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| 1234
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| 987
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| 0
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(3 rows)
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(2 rows)
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SELECT '' AS two, o.* FROM OID_TBL o WHERE o.f1 < '1234';
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two | f1
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-----+-----
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| 987
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| 0
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(2 rows)
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(1 row)
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SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 >= '1234';
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four | f1
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@ -14,8 +14,6 @@ INSERT INTO OID_TBL(f1) VALUES ('-1040');
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INSERT INTO OID_TBL(f1) VALUES ('99999999');
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INSERT INTO OID_TBL(f1) VALUES ('');
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-- bad inputs
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INSERT INTO OID_TBL(f1) VALUES ('asdfasd');
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