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Fix assign_datestyle() so that it doesn't misleadingly complain about

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'conflicting datestyle specifications' for input that's actually only
redundant, such as SET DATESTYLE = MDY, MDY.  Per recent gripe.
This commit is contained in:
Tom Lane
2005-06-09 21:52:07 +00:00
parent 56b01dc9ff
commit 8714d9c56b
1 changed files with 27 additions and 16 deletions
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43
src/backend/commands/variable.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.107 2005/06/05 01:48:34 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.108 2005/06/09 21:52:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -42,9 +42,9 @@ assign_datestyle(const char *value, bool doit, GucSource source)
{
int newDateStyle = DateStyle;
int newDateOrder = DateOrder;
bool have_style = false;
bool have_order = false;
bool ok = true;
int scnt = 0,
ocnt = 0;
char *rawstring;
char *result;
List *elemlist;
@ -74,44 +74,58 @@ assign_datestyle(const char *value, bool doit, GucSource source)
if (pg_strcasecmp(tok, "ISO") == 0)
{
if (have_style && newDateStyle != USE_ISO_DATES)
ok = false; /* conflicting styles */
newDateStyle = USE_ISO_DATES;
scnt++;
have_style = true;
}
else if (pg_strcasecmp(tok, "SQL") == 0)
{
if (have_style && newDateStyle != USE_SQL_DATES)
ok = false; /* conflicting styles */
newDateStyle = USE_SQL_DATES;
scnt++;
have_style = true;
}
else if (pg_strncasecmp(tok, "POSTGRES", 8) == 0)
{
if (have_style && newDateStyle != USE_POSTGRES_DATES)
ok = false; /* conflicting styles */
newDateStyle = USE_POSTGRES_DATES;
scnt++;
have_style = true;
}
else if (pg_strcasecmp(tok, "GERMAN") == 0)
{
if (have_style && newDateStyle != USE_GERMAN_DATES)
ok = false; /* conflicting styles */
newDateStyle = USE_GERMAN_DATES;
scnt++;
have_style = true;
/* GERMAN also sets DMY, unless explicitly overridden */
if (ocnt == 0)
if (!have_order)
newDateOrder = DATEORDER_DMY;
}
else if (pg_strcasecmp(tok, "YMD") == 0)
{
if (have_order && newDateOrder != DATEORDER_YMD)
ok = false; /* conflicting orders */
newDateOrder = DATEORDER_YMD;
ocnt++;
have_order = true;
}
else if (pg_strcasecmp(tok, "DMY") == 0 ||
pg_strncasecmp(tok, "EURO", 4) == 0)
{
if (have_order && newDateOrder != DATEORDER_DMY)
ok = false; /* conflicting orders */
newDateOrder = DATEORDER_DMY;
ocnt++;
have_order = true;
}
else if (pg_strcasecmp(tok, "MDY") == 0 ||
pg_strcasecmp(tok, "US") == 0 ||
pg_strncasecmp(tok, "NONEURO", 7) == 0)
{
if (have_order && newDateOrder != DATEORDER_MDY)
ok = false; /* conflicting orders */
newDateOrder = DATEORDER_MDY;
ocnt++;
have_order = true;
}
else if (pg_strcasecmp(tok, "DEFAULT") == 0)
{
@ -128,9 +142,9 @@ assign_datestyle(const char *value, bool doit, GucSource source)
subval = assign_datestyle(GetConfigOptionResetString("datestyle"),
true, source);
if (scnt == 0)
if (!have_style)
newDateStyle = DateStyle;
if (ocnt == 0)
if (!have_order)
newDateOrder = DateOrder;
DateStyle = saveDateStyle;
DateOrder = saveDateOrder;
@ -155,9 +169,6 @@ assign_datestyle(const char *value, bool doit, GucSource source)
}
}
if (scnt > 1 || ocnt > 1)
ok = false;
pfree(rawstring);
list_free(elemlist);