Refactor jsonpath's compareDatetime()

This commit refactors come ridiculous coding in compareDatetime().  Also, it
provides correct cross-datatype comparison even when one of values overflows
during cast.  That eliminates dilemma on whether we should suppress overflow
errors during cast.

Reported-by: Tom Lane
Discussion: https://postgr.es/m/32308.1569455803%40sss.pgh.pa.us
Discussion: https://postgr.es/m/a5629d0c-8162-7559-16aa-0c8390d6ba5f%40postgrespro.ru
Author: Nikita Glukhov, Alexander Korotkov
This commit is contained in:
Alexander Korotkov 2019-10-21 23:04:14 +03:00
parent a6888fde7f
commit 52ad1e6599
7 changed files with 237 additions and 144 deletions

View File

@ -554,11 +554,12 @@ date_mii(PG_FUNCTION_ARGS)
/*
* Promote date to timestamp.
*
* If 'have_error' is NULL, then errors are thrown, else '*have_error' is set
* and zero is returned.
* On overflow error is thrown if 'overflow' is NULL. Otherwise, '*overflow'
* is set to -1 (+1) when result value exceed lower (upper) boundary and zero
* returned.
*/
Timestamp
date2timestamp_opt_error(DateADT dateVal, bool *have_error)
date2timestamp_opt_overflow(DateADT dateVal, int *overflow)
{
Timestamp result;
@ -575,9 +576,9 @@ date2timestamp_opt_error(DateADT dateVal, bool *have_error)
*/
if (dateVal >= (TIMESTAMP_END_JULIAN - POSTGRES_EPOCH_JDATE))
{
if (have_error)
if (overflow)
{
*have_error = true;
*overflow = 1;
return (Timestamp) 0;
}
else
@ -596,22 +597,23 @@ date2timestamp_opt_error(DateADT dateVal, bool *have_error)
}
/*
* Single-argument version of date2timestamp_opt_error().
* Single-argument version of date2timestamp_opt_overflow().
*/
static TimestampTz
date2timestamp(DateADT dateVal)
{
return date2timestamp_opt_error(dateVal, NULL);
return date2timestamp_opt_overflow(dateVal, NULL);
}
/*
* Promote date to timestamp with time zone.
*
* If 'have_error' is NULL, then errors are thrown, else '*have_error' is set
* and zero is returned.
* On overflow error is thrown if 'overflow' is NULL. Otherwise, '*overflow'
* is set to -1 (+1) when result value exceed lower (upper) boundary and zero
* returned.
*/
TimestampTz
date2timestamptz_opt_error(DateADT dateVal, bool *have_error)
date2timestamptz_opt_overflow(DateADT dateVal, int *overflow)
{
TimestampTz result;
struct pg_tm tt,
@ -631,9 +633,9 @@ date2timestamptz_opt_error(DateADT dateVal, bool *have_error)
*/
if (dateVal >= (TIMESTAMP_END_JULIAN - POSTGRES_EPOCH_JDATE))
{
if (have_error)
if (overflow)
{
*have_error = true;
*overflow = 1;
return (TimestampTz) 0;
}
else
@ -659,9 +661,15 @@ date2timestamptz_opt_error(DateADT dateVal, bool *have_error)
*/
if (!IS_VALID_TIMESTAMP(result))
{
if (have_error)
if (overflow)
{
*have_error = true;
if (result < MIN_TIMESTAMP)
*overflow = -1;
else
{
Assert(result >= END_TIMESTAMP);
*overflow = 1;
}
return (TimestampTz) 0;
}
else
@ -677,12 +685,12 @@ date2timestamptz_opt_error(DateADT dateVal, bool *have_error)
}
/*
* Single-argument version of date2timestamptz_opt_error().
* Single-argument version of date2timestamptz_opt_overflow().
*/
static TimestampTz
date2timestamptz(DateADT dateVal)
{
return date2timestamptz_opt_error(dateVal, NULL);
return date2timestamptz_opt_overflow(dateVal, NULL);
}
/*

View File

@ -2298,16 +2298,16 @@ compareItems(int32 op, JsonbValue *jb1, JsonbValue *jb2, bool useTz)
break;
case jbvDatetime:
{
bool have_error = false;
bool cast_error;
cmp = compareDatetime(jb1->val.datetime.value,
jb1->val.datetime.typid,
jb2->val.datetime.value,
jb2->val.datetime.typid,
useTz,
&have_error);
&cast_error);
if (have_error)
if (cast_error)
return jpbUnknown;
}
break;
@ -2571,15 +2571,128 @@ wrapItemsInArray(const JsonValueList *items)
return pushJsonbValue(&ps, WJB_END_ARRAY, NULL);
}
/* Check if the timezone required for casting from type1 to type2 is used */
static void
checkTimezoneIsUsedForCast(bool useTz, const char *type1, const char *type2)
{
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
type1, type2),
errhint("Use *_tz() function for timezone support.")));
}
/* Convert time datum to timetz datum */
static Datum
castTimeToTimeTz(Datum time, bool useTz)
{
checkTimezoneIsUsedForCast(useTz, "time", "timetz");
return DirectFunctionCall1(time_timetz, time);
}
/*---
* Compares 'ts1' and 'ts2' timestamp, assuming that ts1 might be overflowed
* during cast from another datatype.
*
* 'overflow1' specifies overflow of 'ts1' value:
* 0 - no overflow,
* -1 - exceed lower boundary,
* 1 - exceed upper boundary.
*/
static int
cmpTimestampWithOverflow(Timestamp ts1, int overflow1, Timestamp ts2)
{
/*
* All the timestamps we deal with in jsonpath are produced by
* to_datetime() method. So, they should be valid.
*/
Assert(IS_VALID_TIMESTAMP(ts2));
/*
* Timestamp, which exceed lower (upper) bound, is always lower (higher)
* than any valid timestamp except minus (plus) infinity.
*/
if (overflow1)
{
if (overflow1 < 0)
{
if (TIMESTAMP_IS_NOBEGIN(ts2))
return 1;
else
return -1;
}
if (overflow1 > 0)
{
if (TIMESTAMP_IS_NOEND(ts2))
return -1;
else
return 1;
}
}
return timestamp_cmp_internal(ts1, ts2);
}
/*
* Compare date to timestamptz without throwing overflow error during cast.
*/
static int
cmpDateToTimestamp(DateADT date1, Timestamp ts2, bool useTz)
{
TimestampTz ts1;
int overflow = 0;
ts1 = date2timestamp_opt_overflow(date1, &overflow);
return cmpTimestampWithOverflow(ts1, overflow, ts2);
}
/*
* Compare date to timestamptz without throwing overflow error during cast.
*/
static int
cmpDateToTimestampTz(DateADT date1, TimestampTz tstz2, bool useTz)
{
TimestampTz tstz1;
int overflow = 0;
checkTimezoneIsUsedForCast(useTz, "date", "timestamptz");
tstz1 = date2timestamptz_opt_overflow(date1, &overflow);
return cmpTimestampWithOverflow(tstz1, overflow, tstz2);
}
/*
* Compare timestamp to timestamptz without throwing overflow error during cast.
*/
static int
cmpTimestampToTimestampTz(Timestamp ts1, TimestampTz tstz2, bool useTz)
{
TimestampTz tstz1;
int overflow = 0;
checkTimezoneIsUsedForCast(useTz, "timestamp", "timestamptz");
tstz1 = timestamp2timestamptz_opt_overflow(ts1, &overflow);
return cmpTimestampWithOverflow(tstz1, overflow, tstz2);
}
/*
* Cross-type comparison of two datetime SQL/JSON items. If items are
* uncomparable, 'error' flag is set.
* uncomparable *cast_error flag is set, otherwise *cast_error is unset.
* If the cast requires timezone and it is not used, then explicit error is thrown.
*/
static int
compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
bool useTz, bool *have_error)
bool useTz, bool *cast_error)
{
PGFunction cmpfunc = NULL;
PGFunction cmpfunc;
*cast_error = false;
switch (typid1)
{
@ -2592,31 +2705,23 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
break;
case TIMESTAMPOID:
val1 = TimestampGetDatum(date2timestamp_opt_error(DatumGetDateADT(val1), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return cmpDateToTimestamp(DatumGetDateADT(val1),
DatumGetTimestamp(val2),
useTz);
case TIMESTAMPTZOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"date", "timestamptz"),
errhint("use *_tz() function for timezone support")));
val1 = TimestampTzGetDatum(date2timestamptz_opt_error(DatumGetDateADT(val1), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return cmpDateToTimestampTz(DatumGetDateADT(val1),
DatumGetTimestampTz(val2),
useTz);
case TIMEOID:
case TIMETZOID:
*have_error = true;
*cast_error = true; /* uncomparable types */
return 0;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u",
typid2);
}
break;
@ -2629,13 +2734,7 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
break;
case TIMETZOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"time", "timetz"),
errhint("use *_tz() function for timezone support")));
val1 = DirectFunctionCall1(time_timetz, val1);
val1 = castTimeToTimeTz(val1, useTz);
cmpfunc = timetz_cmp;
break;
@ -2643,8 +2742,12 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
case DATEOID:
case TIMESTAMPOID:
case TIMESTAMPTZOID:
*have_error = true;
*cast_error = true; /* uncomparable types */
return 0;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u",
typid2);
}
break;
@ -2652,13 +2755,7 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
switch (typid2)
{
case TIMEOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"time", "timetz"),
errhint("use *_tz() function for timezone support")));
val2 = DirectFunctionCall1(time_timetz, val2);
val2 = castTimeToTimeTz(val2, useTz);
cmpfunc = timetz_cmp;
break;
@ -2671,8 +2768,12 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
case DATEOID:
case TIMESTAMPOID:
case TIMESTAMPTZOID:
*have_error = true;
*cast_error = true; /* uncomparable types */
return 0;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u",
typid2);
}
break;
@ -2680,12 +2781,9 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
switch (typid2)
{
case DATEOID:
val2 = TimestampGetDatum(date2timestamp_opt_error(DatumGetDateADT(val2), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return -cmpDateToTimestamp(DatumGetDateADT(val2),
DatumGetTimestamp(val1),
useTz);
case TIMESTAMPOID:
cmpfunc = timestamp_cmp;
@ -2693,23 +2791,18 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
break;
case TIMESTAMPTZOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"timestamp", "timestamptz"),
errhint("use *_tz() function for timezone support")));
val1 = TimestampTzGetDatum(timestamp2timestamptz_opt_error(DatumGetTimestamp(val1), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return cmpTimestampToTimestampTz(DatumGetTimestamp(val1),
DatumGetTimestampTz(val2),
useTz);
case TIMEOID:
case TIMETZOID:
*have_error = true;
*cast_error = true; /* uncomparable types */
return 0;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u",
typid2);
}
break;
@ -2717,32 +2810,14 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
switch (typid2)
{
case DATEOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"date", "timestamptz"),
errhint("use *_tz() function for timezone support")));
val2 = TimestampTzGetDatum(date2timestamptz_opt_error(DatumGetDateADT(val2), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return -cmpDateToTimestampTz(DatumGetDateADT(val2),
DatumGetTimestampTz(val1),
useTz);
case TIMESTAMPOID:
if (!useTz)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot convert value from %s to %s without timezone usage",
"timestamp", "timestamptz"),
errhint("use *_tz() function for timezone support")));
val2 = TimestampTzGetDatum(timestamp2timestamptz_opt_error(DatumGetTimestamp(val2), have_error));
if (have_error && *have_error)
return 0;
cmpfunc = timestamp_cmp;
break;
return -cmpTimestampToTimestampTz(DatumGetTimestamp(val2),
DatumGetTimestampTz(val1),
useTz);
case TIMESTAMPTZOID:
cmpfunc = timestamp_cmp;
@ -2751,24 +2826,21 @@ compareDatetime(Datum val1, Oid typid1, Datum val2, Oid typid2,
case TIMEOID:
case TIMETZOID:
*have_error = true;
*cast_error = true; /* uncomparable types */
return 0;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u",
typid2);
}
break;
default:
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %d",
typid1);
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %u", typid1);
}
if (*have_error)
return 0;
if (!cmpfunc)
elog(ERROR, "unrecognized SQL/JSON datetime type oid: %d",
typid2);
*have_error = false;
if (*cast_error)
return 0; /* cast error */
return DatumGetInt32(DirectFunctionCall2(cmpfunc, val1, val2));
}

View File

@ -5190,12 +5190,12 @@ timestamp_timestamptz(PG_FUNCTION_ARGS)
/*
* Convert timestamp to timestamp with time zone.
*
* If 'have_error' is NULL, then errors are thrown, else '*have_error' is set
* and zero is returned.
* On overflow error is thrown if 'overflow' is NULL. Otherwise, '*overflow'
* is set to -1 (+1) when result value exceed lower (upper) boundary and zero
* returned.
*/
TimestampTz
timestamp2timestamptz_opt_error(Timestamp timestamp, bool *have_error)
timestamp2timestamptz_opt_overflow(Timestamp timestamp, int *overflow)
{
TimestampTz result;
struct pg_tm tt,
@ -5216,30 +5216,33 @@ timestamp2timestamptz_opt_error(Timestamp timestamp, bool *have_error)
{
return result;
}
else if (have_error)
else if (overflow)
{
*have_error = true;
if (result < MIN_TIMESTAMP)
*overflow = -1;
else
{
Assert(result >= END_TIMESTAMP);
*overflow = 1;
}
return (TimestampTz) 0;
}
}
if (have_error)
*have_error = true;
else
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
return 0;
}
/*
* Single-argument version of timestamp2timestamptz_opt_error().
* Single-argument version of timestamp2timestamptz_opt_overflow().
*/
static TimestampTz
timestamp2timestamptz(Timestamp timestamp)
{
return timestamp2timestamptz_opt_error(timestamp, NULL);
return timestamp2timestamptz_opt_overflow(timestamp, NULL);
}
/* timestamptz_timestamp()

View File

@ -70,8 +70,8 @@ typedef struct
/* date.c */
extern int32 anytime_typmod_check(bool istz, int32 typmod);
extern double date2timestamp_no_overflow(DateADT dateVal);
extern Timestamp date2timestamp_opt_error(DateADT dateVal, bool *have_error);
extern TimestampTz date2timestamptz_opt_error(DateADT dateVal, bool *have_error);
extern Timestamp date2timestamp_opt_overflow(DateADT dateVal, int *overflow);
extern TimestampTz date2timestamptz_opt_overflow(DateADT dateVal, int *overflow);
extern void EncodeSpecialDate(DateADT dt, char *str);
extern DateADT GetSQLCurrentDate(void);
extern TimeTzADT *GetSQLCurrentTime(int32 typmod);

View File

@ -97,8 +97,8 @@ extern int timestamp_cmp_internal(Timestamp dt1, Timestamp dt2);
/* timestamp comparison works for timestamptz also */
#define timestamptz_cmp_internal(dt1,dt2) timestamp_cmp_internal(dt1, dt2)
extern TimestampTz timestamp2timestamptz_opt_error(Timestamp timestamp,
bool *have_error);
extern TimestampTz timestamp2timestamptz_opt_overflow(Timestamp timestamp,
int *overflow);
extern int isoweek2j(int year, int week);
extern void isoweek2date(int woy, int *year, int *mon, int *mday);

View File

@ -1949,17 +1949,17 @@ select jsonb_path_query(
'["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03 +04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03 +04", "2017-03-10 03:00:00 +03"]',
'$[*].datetime() ? (@ == "10.03.2017".datetime("dd.mm.yyyy"))');
ERROR: cannot convert value from date to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03 +04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03 +04", "2017-03-10 03:00:00 +03"]',
'$[*].datetime() ? (@ >= "10.03.2017".datetime("dd.mm.yyyy"))');
ERROR: cannot convert value from date to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03 +04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03 +04", "2017-03-10 03:00:00 +03"]',
'$[*].datetime() ? (@ < "10.03.2017".datetime("dd.mm.yyyy"))');
ERROR: cannot convert value from date to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query_tz(
'["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03 +04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03 +04", "2017-03-10 03:00:00 +03"]',
'$[*].datetime() ? (@ == "10.03.2017".datetime("dd.mm.yyyy"))');
@ -1996,17 +1996,17 @@ select jsonb_path_query(
'["12:34:00", "12:35:00", "12:36:00", "12:35:00 +00", "12:35:00 +01", "13:35:00 +01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +01"]',
'$[*].datetime() ? (@ == "12:35".datetime("HH24:MI"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["12:34:00", "12:35:00", "12:36:00", "12:35:00 +00", "12:35:00 +01", "13:35:00 +01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +01"]',
'$[*].datetime() ? (@ >= "12:35".datetime("HH24:MI"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["12:34:00", "12:35:00", "12:36:00", "12:35:00 +00", "12:35:00 +01", "13:35:00 +01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +01"]',
'$[*].datetime() ? (@ < "12:35".datetime("HH24:MI"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query_tz(
'["12:34:00", "12:35:00", "12:36:00", "12:35:00 +00", "12:35:00 +01", "13:35:00 +01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +01"]',
'$[*].datetime() ? (@ == "12:35".datetime("HH24:MI"))');
@ -2041,17 +2041,17 @@ select jsonb_path_query(
'["12:34:00 +01", "12:35:00 +01", "12:36:00 +01", "12:35:00 +02", "12:35:00 -02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]',
'$[*].datetime() ? (@ == "12:35 +1".datetime("HH24:MI TZH"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["12:34:00 +01", "12:35:00 +01", "12:36:00 +01", "12:35:00 +02", "12:35:00 -02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]',
'$[*].datetime() ? (@ >= "12:35 +1".datetime("HH24:MI TZH"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["12:34:00 +01", "12:35:00 +01", "12:36:00 +01", "12:35:00 +02", "12:35:00 -02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]',
'$[*].datetime() ? (@ < "12:35 +1".datetime("HH24:MI TZH"))');
ERROR: cannot convert value from time to timetz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query_tz(
'["12:34:00 +01", "12:35:00 +01", "12:36:00 +01", "12:35:00 +02", "12:35:00 -02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]',
'$[*].datetime() ? (@ == "12:35 +1".datetime("HH24:MI TZH"))');
@ -2087,17 +2087,17 @@ select jsonb_path_query(
'["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00 +01", "2017-03-10 13:35:00 +01", "2017-03-10 12:35:00 -01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ == "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00 +01", "2017-03-10 13:35:00 +01", "2017-03-10 12:35:00 -01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ >= "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00 +01", "2017-03-10 13:35:00 +01", "2017-03-10 12:35:00 -01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ < "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query_tz(
'["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00 +01", "2017-03-10 13:35:00 +01", "2017-03-10 12:35:00 -01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ == "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))');
@ -2134,17 +2134,17 @@ select jsonb_path_query(
'["2017-03-10 12:34:00 +01", "2017-03-10 12:35:00 +01", "2017-03-10 12:36:00 +01", "2017-03-10 12:35:00 +02", "2017-03-10 12:35:00 -02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ == "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10 12:34:00 +01", "2017-03-10 12:35:00 +01", "2017-03-10 12:36:00 +01", "2017-03-10 12:35:00 +02", "2017-03-10 12:35:00 -02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ >= "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query(
'["2017-03-10 12:34:00 +01", "2017-03-10 12:35:00 +01", "2017-03-10 12:36:00 +01", "2017-03-10 12:35:00 +02", "2017-03-10 12:35:00 -02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ < "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))');
ERROR: cannot convert value from timestamp to timestamptz without timezone usage
HINT: use *_tz() function for timezone support
HINT: Use *_tz() function for timezone support.
select jsonb_path_query_tz(
'["2017-03-10 12:34:00 +01", "2017-03-10 12:35:00 +01", "2017-03-10 12:36:00 +01", "2017-03-10 12:35:00 +02", "2017-03-10 12:35:00 -02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ == "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))');
@ -2178,6 +2178,13 @@ select jsonb_path_query_tz(
"2017-03-10"
(4 rows)
-- overflow during comparison
select jsonb_path_query('"1000000-01-01"', '$.datetime() > "2020-01-01 12:00:00".datetime()'::jsonpath);
jsonb_path_query
------------------
true
(1 row)
set time zone default;
-- jsonpath operators
SELECT jsonb_path_query('[{"a": 1}, {"a": 2}]', '$[*]');

View File

@ -516,6 +516,9 @@ select jsonb_path_query_tz(
'["2017-03-10 12:34:00 +01", "2017-03-10 12:35:00 +01", "2017-03-10 12:36:00 +01", "2017-03-10 12:35:00 +02", "2017-03-10 12:35:00 -02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56 +01"]',
'$[*].datetime() ? (@ < "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))');
-- overflow during comparison
select jsonb_path_query('"1000000-01-01"', '$.datetime() > "2020-01-01 12:00:00".datetime()'::jsonpath);
set time zone default;
-- jsonpath operators