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Tighten parsing of boolean options to CREATE TYPE and related functions,

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so as to deliver more useful error messages for mistakes like
'PASSEDBYVALUE = f'.  Per gripe from Gaetano Mendola.
This commit is contained in:
Tom Lane
2004-05-14 16:11:25 +00:00
parent 89a8e15671
commit c53d6e927f
6 changed files with 33 additions and 12 deletions
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21
src/backend/commands/define.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/define.c,v 1.87 2004/05/07 00:24:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/define.c,v 1.88 2004/05/14 16:11:25 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@@ -119,6 +119,25 @@ defGetNumeric(DefElem *def)
return 0; /* keep compiler quiet */
}
/*
* Extract a boolean value from a DefElem.
*/
bool
defGetBoolean(DefElem *def)
{
/*
* Presently, boolean flags must simply be present or absent.
* Later we could allow 'flag = t', 'flag = f', etc.
*/
if (def->arg == NULL)
return true;
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("%s does not take a parameter",
def->defname)));
return false; /* keep compiler quiet */
}
/*
* Extract an int64 value from a DefElem.
*/

7
src/backend/commands/functioncmds.c
View File

@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.45 2004/05/07 00:24:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.46 2004/05/14 16:11:25 tgl Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@@ -329,11 +329,12 @@ compute_attributes_with_style(List *parameters, bool *isStrict_p, char *volatili
DefElem *param = (DefElem *) lfirst(pl);
if (pg_strcasecmp(param->defname, "isstrict") == 0)
*isStrict_p = true;
*isStrict_p = defGetBoolean(param);
else if (pg_strcasecmp(param->defname, "iscachable") == 0)
{
/* obsolete spelling of isImmutable */
*volatility_p = PROVOLATILE_IMMUTABLE;
if (defGetBoolean(param))
*volatility_p = PROVOLATILE_IMMUTABLE;
}
else
ereport(WARNING,

6
src/backend/commands/operatorcmds.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/operatorcmds.c,v 1.14 2004/05/07 00:24:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/operatorcmds.c,v 1.15 2004/05/14 16:11:25 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@@ -124,9 +124,9 @@ DefineOperator(List *names, List *parameters)
else if (pg_strcasecmp(defel->defname, "join") == 0)
joinName = defGetQualifiedName(defel);
else if (pg_strcasecmp(defel->defname, "hashes") == 0)
canHash = TRUE;
canHash = defGetBoolean(defel);
else if (pg_strcasecmp(defel->defname, "merges") == 0)
canMerge = TRUE;
canMerge = defGetBoolean(defel);
else if (pg_strcasecmp(defel->defname, "sort1") == 0)
leftSortName = defGetQualifiedName(defel);
else if (pg_strcasecmp(defel->defname, "sort2") == 0)

4
src/backend/commands/typecmds.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.55 2004/05/07 00:24:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.56 2004/05/14 16:11:25 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@@ -176,7 +176,7 @@ DefineType(List *names, List *parameters)
else if (pg_strcasecmp(defel->defname, "default") == 0)
defaultValue = defGetString(defel);
else if (pg_strcasecmp(defel->defname, "passedbyvalue") == 0)
byValue = true;
byValue = defGetBoolean(defel);
else if (pg_strcasecmp(defel->defname, "alignment") == 0)
{
char *a = defGetString(defel);