here is a patch for formatting.c (to_char/timestampt()), for 7.1
it fixing Y,YY,YYY,YYYY conversion, the docs and regress tests update
are included too.
During the patch testing I found small bug in miscadmin.h in
convertstr() declaration. Here it's fixed too.
Thanks
Karel
This commit is contained in:
Bruce Momjian
parent
91ba4cc761
commit
3f1998727d
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@ -962,6 +962,20 @@
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keyword (example: <literal>'"Hello Year: "YYYY'</literal>).
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>YYYY</literal> conversion from string to timestamp or
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date is limited if you use year great than 4-digits. You must
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use after <literal>YYYY</literal> some non-digit char or template
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else year is always interpreted as 4-digits. For example (with year
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20000):
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<literal> to_date('200001131', 'YYYYMMDD') <literal> will bad
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interpreded as 4-digits year, right is use after year non-digit
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separator <literal> to_date('20000-1131', 'YYYY-MMDD')<literal> or
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<literal> to_date('20000Nov31', 'YYYYMonDD')<literal>.
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</para>
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</listitem>
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</itemizedlist>
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</para>
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@ -1,7 +1,7 @@
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/* -----------------------------------------------------------------------
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* formatting.c
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*
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.23 2000/10/29 13:17:34 petere Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.24 2000/11/25 05:00:29 momjian Exp $
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*
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*
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* Portions Copyright (c) 1999-2000, PostgreSQL, Inc
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@ -127,6 +127,7 @@ typedef struct
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int len, /* keyword length */
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(*action) (),
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id; /* keyword id */
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bool isdigit; /* is expected output/input digit */
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} KeyWord;
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typedef struct
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@ -344,14 +345,16 @@ static int NUMCounter = 0;
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* ----------
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*/
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typedef struct {
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int hh, am, pm, mi, ss, ssss, d, dd, ddd, mm, yyyy, bc, iw, ww, w, cc, q, j;
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int hh, am, pm, mi, ss, ssss, d, dd, ddd, mm, yyyy, yyy, yy, y,
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bc, iw, ww, w, cc, q, j;
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} TmFromChar;
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#define ZERO_tmfc( _X ) \
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do { \
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(_X)->hh= (_X)->am= (_X)->pm= (_X)->mi= (_X)->ss= (_X)->ssss= \
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(_X)->d= (_X)->dd= (_X)->ddd= (_X)->mm= (_X)->yyyy= (_X)->bc= \
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(_X)->iw= (_X)->ww= (_X)->w= (_X)->cc= (_X)->q= (_X)->j= 0; \
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(_X)->d= (_X)->dd= (_X)->ddd= (_X)->mm= (_X)->yyyy= (_X)->yyy= \
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(_X)->yy= (_X)->y= (_X)->bc= (_X)->iw= (_X)->ww= (_X)->w= \
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(_X)->cc= (_X)->q= (_X)->j= 0; \
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} while(0)
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#ifdef DEBUG_TO_FROM_CHAR
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@ -453,7 +456,7 @@ static KeySuffix DCH_suff[] = {
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* it is not good.
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*
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* (!)
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* Position for the keyword is simular as position in the enum DCH/NUM_poz
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* - Position for the keyword is simular as position in the enum DCH/NUM_poz.
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* (!)
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*
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* For fast search is used the 'int index[]', index is ascii table from position
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@ -598,88 +601,88 @@ typedef enum
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* ----------
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*/
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static KeyWord DCH_keywords[] = {
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/* keyword,len,func.type is in Index */
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{"A.D.", 4, dch_date, DCH_A_D}, /* A */
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{"A.M.", 4, dch_time, DCH_A_M},
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{"AD", 2, dch_date, DCH_AD},
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{"AM", 2, dch_time, DCH_AM},
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{"B.C.", 4, dch_date, DCH_B_C}, /* B */
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{"BC", 2, dch_date, DCH_BC},
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{"CC", 2, dch_date, DCH_CC}, /* C */
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{"DAY", 3, dch_date, DCH_DAY}, /* D */
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{"DDD", 3, dch_date, DCH_DDD},
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{"DD", 2, dch_date, DCH_DD},
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{"DY", 2, dch_date, DCH_DY},
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{"Day", 3, dch_date, DCH_Day},
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{"Dy", 2, dch_date, DCH_Dy},
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{"D", 1, dch_date, DCH_D},
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{"FX", 2, dch_global, DCH_FX}, /* F */
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{"HH24", 4, dch_time, DCH_HH24}, /* H */
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{"HH12", 4, dch_time, DCH_HH12},
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{"HH", 2, dch_time, DCH_HH},
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{"IW", 2, dch_date, DCH_IW}, /* I */
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{"J", 1, dch_date, DCH_J}, /* J */
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{"MI", 2, dch_time, DCH_MI},
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{"MM", 2, dch_date, DCH_MM},
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{"MONTH", 5, dch_date, DCH_MONTH},
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{"MON", 3, dch_date, DCH_MON},
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{"Month", 5, dch_date, DCH_Month},
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{"Mon", 3, dch_date, DCH_Mon},
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{"P.M.", 4, dch_time, DCH_P_M}, /* P */
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{"PM", 2, dch_time, DCH_PM},
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{"Q", 1, dch_date, DCH_Q}, /* Q */
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{"RM", 2, dch_date, DCH_RM}, /* R */
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{"SSSS", 4, dch_time, DCH_SSSS}, /* S */
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{"SS", 2, dch_time, DCH_SS},
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{"TZ", 2, dch_time, DCH_TZ}, /* T */
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{"WW", 2, dch_date, DCH_WW}, /* W */
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{"W", 1, dch_date, DCH_W},
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{"Y,YYY", 5, dch_date, DCH_Y_YYY}, /* Y */
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{"YYYY", 4, dch_date, DCH_YYYY},
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{"YYY", 3, dch_date, DCH_YYY},
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{"YY", 2, dch_date, DCH_YY},
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{"Y", 1, dch_date, DCH_Y},
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{"a.d.", 4, dch_date, DCH_a_d}, /* a */
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{"a.m.", 4, dch_time, DCH_a_m},
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{"ad", 2, dch_date, DCH_ad},
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{"am", 2, dch_time, DCH_am},
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{"b.c.", 4, dch_date, DCH_b_c}, /* b */
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{"bc", 2, dch_date, DCH_bc},
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{"cc", 2, dch_date, DCH_CC}, /* c */
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{"day", 3, dch_date, DCH_day}, /* d */
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{"ddd", 3, dch_date, DCH_DDD},
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{"dd", 2, dch_date, DCH_DD},
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{"dy", 2, dch_date, DCH_dy},
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{"d", 1, dch_date, DCH_D},
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{"fx", 2, dch_global, DCH_FX}, /* f */
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{"hh24", 4, dch_time, DCH_HH24}, /* h */
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{"hh12", 4, dch_time, DCH_HH12},
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{"hh", 2, dch_time, DCH_HH},
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{"iw", 2, dch_date, DCH_IW}, /* i */
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{"j", 1, dch_time, DCH_J}, /* j */
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{"mi", 2, dch_time, DCH_MI}, /* m */
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{"mm", 2, dch_date, DCH_MM},
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{"month", 5, dch_date, DCH_month},
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{"mon", 3, dch_date, DCH_mon},
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{"p.m.", 4, dch_time, DCH_p_m}, /* p */
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{"pm", 2, dch_time, DCH_pm},
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{"q", 1, dch_date, DCH_Q}, /* q */
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{"rm", 2, dch_date, DCH_rm}, /* r */
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{"ssss", 4, dch_time, DCH_SSSS}, /* s */
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{"ss", 2, dch_time, DCH_SS},
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{"tz", 2, dch_time, DCH_tz}, /* t */
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{"ww", 2, dch_date, DCH_WW}, /* w */
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{"w", 1, dch_date, DCH_W},
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{"y,yyy", 5, dch_date, DCH_Y_YYY}, /* y */
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{"yyyy", 4, dch_date, DCH_YYYY},
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{"yyy", 3, dch_date, DCH_YYY},
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{"yy", 2, dch_date, DCH_YY},
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{"y", 1, dch_date, DCH_Y},
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/* keyword, len, func, type, isdigit is in Index */
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{"A.D.", 4, dch_date, DCH_A_D, FALSE}, /* A */
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{"A.M.", 4, dch_time, DCH_A_M, FALSE},
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{"AD", 2, dch_date, DCH_AD, FALSE},
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{"AM", 2, dch_time, DCH_AM, FALSE},
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{"B.C.", 4, dch_date, DCH_B_C, FALSE}, /* B */
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{"BC", 2, dch_date, DCH_BC, FALSE},
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{"CC", 2, dch_date, DCH_CC, TRUE}, /* C */
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{"DAY", 3, dch_date, DCH_DAY, FALSE}, /* D */
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{"DDD", 3, dch_date, DCH_DDD, TRUE},
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{"DD", 2, dch_date, DCH_DD, TRUE},
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{"DY", 2, dch_date, DCH_DY, FALSE},
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{"Day", 3, dch_date, DCH_Day, FALSE},
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{"Dy", 2, dch_date, DCH_Dy, FALSE},
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{"D", 1, dch_date, DCH_D, TRUE},
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{"FX", 2, dch_global, DCH_FX, FALSE}, /* F */
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{"HH24", 4, dch_time, DCH_HH24, TRUE}, /* H */
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{"HH12", 4, dch_time, DCH_HH12, TRUE},
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{"HH", 2, dch_time, DCH_HH, TRUE},
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{"IW", 2, dch_date, DCH_IW, TRUE}, /* I */
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{"J", 1, dch_date, DCH_J, TRUE}, /* J */
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{"MI", 2, dch_time, DCH_MI, TRUE},
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{"MM", 2, dch_date, DCH_MM, TRUE},
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{"MONTH", 5, dch_date, DCH_MONTH, FALSE},
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{"MON", 3, dch_date, DCH_MON, FALSE},
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{"Month", 5, dch_date, DCH_Month, FALSE},
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{"Mon", 3, dch_date, DCH_Mon, FALSE},
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{"P.M.", 4, dch_time, DCH_P_M, FALSE}, /* P */
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{"PM", 2, dch_time, DCH_PM, FALSE},
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{"Q", 1, dch_date, DCH_Q, TRUE}, /* Q */
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{"RM", 2, dch_date, DCH_RM, FALSE}, /* R */
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{"SSSS", 4, dch_time, DCH_SSSS, TRUE}, /* S */
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{"SS", 2, dch_time, DCH_SS, TRUE},
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{"TZ", 2, dch_time, DCH_TZ, FALSE}, /* T */
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{"WW", 2, dch_date, DCH_WW, TRUE}, /* W */
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{"W", 1, dch_date, DCH_W, TRUE},
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{"Y,YYY", 5, dch_date, DCH_Y_YYY, TRUE}, /* Y */
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{"YYYY", 4, dch_date, DCH_YYYY, TRUE},
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{"YYY", 3, dch_date, DCH_YYY, TRUE},
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{"YY", 2, dch_date, DCH_YY, TRUE},
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{"Y", 1, dch_date, DCH_Y, TRUE},
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{"a.d.", 4, dch_date, DCH_a_d, FALSE}, /* a */
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{"a.m.", 4, dch_time, DCH_a_m, FALSE},
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{"ad", 2, dch_date, DCH_ad, FALSE},
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{"am", 2, dch_time, DCH_am, FALSE},
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{"b.c.", 4, dch_date, DCH_b_c, FALSE}, /* b */
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{"bc", 2, dch_date, DCH_bc, FALSE},
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{"cc", 2, dch_date, DCH_CC, TRUE}, /* c */
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{"day", 3, dch_date, DCH_day, FALSE}, /* d */
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{"ddd", 3, dch_date, DCH_DDD, TRUE},
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{"dd", 2, dch_date, DCH_DD, TRUE},
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{"dy", 2, dch_date, DCH_dy, FALSE},
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{"d", 1, dch_date, DCH_D, TRUE},
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{"fx", 2, dch_global, DCH_FX, FALSE}, /* f */
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{"hh24", 4, dch_time, DCH_HH24, TRUE}, /* h */
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{"hh12", 4, dch_time, DCH_HH12, TRUE},
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{"hh", 2, dch_time, DCH_HH, TRUE},
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{"iw", 2, dch_date, DCH_IW, TRUE}, /* i */
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{"j", 1, dch_time, DCH_J, TRUE}, /* j */
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{"mi", 2, dch_time, DCH_MI, TRUE}, /* m */
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{"mm", 2, dch_date, DCH_MM, TRUE},
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{"month", 5, dch_date, DCH_month, FALSE},
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{"mon", 3, dch_date, DCH_mon, FALSE},
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{"p.m.", 4, dch_time, DCH_p_m, FALSE}, /* p */
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{"pm", 2, dch_time, DCH_pm, FALSE},
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{"q", 1, dch_date, DCH_Q, TRUE}, /* q */
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{"rm", 2, dch_date, DCH_rm, FALSE}, /* r */
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{"ssss", 4, dch_time, DCH_SSSS, TRUE}, /* s */
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{"ss", 2, dch_time, DCH_SS, TRUE},
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{"tz", 2, dch_time, DCH_tz, FALSE}, /* t */
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{"ww", 2, dch_date, DCH_WW, TRUE}, /* w */
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{"w", 1, dch_date, DCH_W, TRUE},
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{"y,yyy", 5, dch_date, DCH_Y_YYY, TRUE}, /* y */
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{"yyyy", 4, dch_date, DCH_YYYY, TRUE},
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{"yyy", 3, dch_date, DCH_YYY, TRUE},
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{"yy", 2, dch_date, DCH_YY, TRUE},
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{"y", 1, dch_date, DCH_Y, TRUE},
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/* last */
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{NULL, 0, NULL, 0}};
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/* ----------
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* KeyWords for NUMBER version
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* KeyWords for NUMBER version (now, isdigit info is not needful here..)
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* ----------
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*/
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static KeyWord NUM_keywords[] = {
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|
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@ -1230,7 +1233,7 @@ DCH_processor(FormatNode *node, char *inout, int flag)
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* Skip blank space in FROM_CHAR's input
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* ----------
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*/
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if (isspace(n->character) && IS_FX == 0)
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if (isspace(n->character) && IS_FX == 0)
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{
|
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while (*s != '\0' && isspace((int) *(s + 1)))
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++s;
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|
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@ -1526,6 +1529,40 @@ dch_global(int arg, char *inout, int suf, int flag, FormatNode *node)
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return -1;
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}
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|
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/* ----------
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* Return TRUE if next format picture is not digit value
|
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* ----------
|
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*/
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static bool
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is_next_separator(FormatNode *n)
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{
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if (n->type == NODE_TYPE_END)
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return FALSE;
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|
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if (n->type == NODE_TYPE_ACTION && S_THth(n->suffix))
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return TRUE;
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|
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/*
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* Next node
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*/
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n++;
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if (n->type == NODE_TYPE_END)
|
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return FALSE;
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|
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if (n->type == NODE_TYPE_ACTION)
|
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{
|
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if (n->key->isdigit)
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return FALSE;
|
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|
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return TRUE;
|
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}
|
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else if (isdigit(n->character))
|
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return FALSE;
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|
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return TRUE; /* some non-digit input (separator) */
|
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}
|
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|
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#define AMPM_ERROR elog(ERROR, "to_timestamp(): bad AM/PM string")
|
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|
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/* ----------
|
||||
|
|
@ -1736,7 +1773,10 @@ dch_time(int arg, char *inout, int suf, int flag, FormatNode *node)
|
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}
|
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else if (flag == FROM_CHAR)
|
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{
|
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sscanf(inout, "%d", &tmfc->ssss);
|
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if (is_next_separator(node))
|
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sscanf(inout, "%d", &tmfc->ssss);
|
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else
|
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sscanf(inout, "%05d", &tmfc->ssss);
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return int4len((int4) tmfc->ssss) - 1 + SKIP_THth(suf);
|
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}
|
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break;
|
||||
|
|
@ -2192,7 +2232,11 @@ dch_date(int arg, char *inout, int suf, int flag, FormatNode *node)
|
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}
|
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else if (flag == FROM_CHAR)
|
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{
|
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sscanf(inout, "%d", &tmfc->yyyy);
|
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if (is_next_separator(node))
|
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sscanf(inout, "%d", &tmfc->yyyy);
|
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else
|
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sscanf(inout, "%04d", &tmfc->yyyy);
|
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|
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if (!S_FM(suf) && tmfc->yyyy <= 9999 && tmfc->yyyy >= -9999)
|
||||
len = 4;
|
||||
else
|
||||
|
|
@ -2217,7 +2261,7 @@ dch_date(int arg, char *inout, int suf, int flag, FormatNode *node)
|
|||
}
|
||||
else if (flag == FROM_CHAR)
|
||||
{
|
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sscanf(inout, "%03d", &tmfc->yyyy);
|
||||
sscanf(inout, "%03d", &tmfc->yyy);
|
||||
return 2 + SKIP_THth(suf);
|
||||
}
|
||||
break;
|
||||
|
|
@ -2237,7 +2281,7 @@ dch_date(int arg, char *inout, int suf, int flag, FormatNode *node)
|
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}
|
||||
else if (flag == FROM_CHAR)
|
||||
{
|
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sscanf(inout, "%02d", &tmfc->yyyy);
|
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sscanf(inout, "%02d", &tmfc->yy);
|
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return 1 + SKIP_THth(suf);
|
||||
}
|
||||
break;
|
||||
|
|
@ -2257,7 +2301,7 @@ dch_date(int arg, char *inout, int suf, int flag, FormatNode *node)
|
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}
|
||||
else if (flag == FROM_CHAR)
|
||||
{
|
||||
sscanf(inout, "%1d", &tmfc->yyyy);
|
||||
sscanf(inout, "%1d", &tmfc->y);
|
||||
return 0 + SKIP_THth(suf);
|
||||
}
|
||||
break;
|
||||
|
|
@ -2725,16 +2769,56 @@ to_timestamp(PG_FUNCTION_ARGS)
|
|||
|
||||
if (tmfc->yyyy)
|
||||
tm->tm_year = tmfc->yyyy;
|
||||
|
||||
else if (tmfc->y)
|
||||
{
|
||||
/*
|
||||
* 1-digit year:
|
||||
* always +2000
|
||||
*/
|
||||
tm->tm_year = tmfc->y + 2000;
|
||||
}
|
||||
else if (tmfc->yy)
|
||||
{
|
||||
/*
|
||||
* 2-digit year:
|
||||
* '00' ... '69' = 2000 ... 2069
|
||||
* '70' ... '99' = 1970 ... 1999
|
||||
*/
|
||||
tm->tm_year = tmfc->yy;
|
||||
|
||||
if (tm->tm_year < 70)
|
||||
tm->tm_year += 2000;
|
||||
else
|
||||
tm->tm_year += 1900;
|
||||
}
|
||||
else if (tmfc->yyy)
|
||||
{
|
||||
/*
|
||||
* 3-digit year:
|
||||
* '100' ... '999' = 1100 ... 1999
|
||||
* '000' ... '099' = 2000 ... 2099
|
||||
*/
|
||||
tm->tm_year = tmfc->yyy;
|
||||
|
||||
if (tm->tm_year >= 100)
|
||||
tm->tm_year += 1000;
|
||||
else
|
||||
tm->tm_year += 2000;
|
||||
}
|
||||
|
||||
|
||||
if (tmfc->bc)
|
||||
{
|
||||
if (tm->tm_year > 0)
|
||||
tm->tm_year = -(tm->tm_year - 1);
|
||||
else
|
||||
elog(ERROR, "Inconsistant use of year %04d and 'BC'", tm->tm_year);
|
||||
}
|
||||
|
||||
if (tmfc->j)
|
||||
j2date(tmfc->j, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
|
||||
|
||||
if (tmfc->bc && tm->tm_year > 0)
|
||||
tm->tm_year = -(tm->tm_year);
|
||||
|
||||
if (tm->tm_year < 0)
|
||||
tm->tm_year = tm->tm_year + 1;
|
||||
|
||||
if (tmfc->iw)
|
||||
isoweek2date(tmfc->iw, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
|
||||
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@
|
|||
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $Id: miscadmin.h,v 1.72 2000/11/21 21:16:04 petere Exp $
|
||||
* $Id: miscadmin.h,v 1.73 2000/11/25 05:00:30 momjian Exp $
|
||||
*
|
||||
* NOTES
|
||||
* some of the information in this file will be moved to
|
||||
|
|
@ -142,7 +142,7 @@ extern int FindExec(char *full_path, const char *argv0, const char *binary_name)
|
|||
extern int CheckPathAccess(char *path, char *name, int open_mode);
|
||||
|
||||
#ifdef CYR_RECODE
|
||||
extern char *convertstr(char *, int, int);
|
||||
extern char *convertstr(unsigned char *buff, int len, int dest);
|
||||
#endif
|
||||
|
||||
/*****************************************************************************
|
||||
|
|
|
|||
|
|
@ -1560,9 +1560,9 @@ SELECT '' AS to_timestamp_5, to_timestamp('1,582nd VIII 21', 'Y,YYYth FMRM DD');
|
|||
|
||||
SELECT '' AS to_timestamp_6, to_timestamp('15 "text bettween quote marks" 98 54 45',
|
||||
'HH "\\text bettween quote marks\\"" YY MI SS');
|
||||
to_timestamp_6 | to_timestamp
|
||||
----------------+--------------------------
|
||||
| Wed Jan 01 15:54:45 0098
|
||||
to_timestamp_6 | to_timestamp
|
||||
----------------+------------------------------
|
||||
| Thu Jan 01 15:54:45 1998 PST
|
||||
(1 row)
|
||||
|
||||
|
||||
|
|
@ -1578,4 +1578,36 @@ SELECT '' AS to_timestamp_8, to_timestamp('2000January09Sunday', 'YYYYFMMonthDDF
|
|||
| Sun Jan 09 00:00:00 2000 PST
|
||||
(1 row)
|
||||
|
||||
SELECT '' AS to_timestamp_9, to_timestamp('97/Feb/16', 'YYMonDD');
|
||||
ERROR: to_timestamp(): bad value for MON/Mon/mon
|
||||
SELECT '' AS to_timestamp_10, to_timestamp('19971116', 'YYYYMMDD');
|
||||
to_timestamp_10 | to_timestamp
|
||||
-----------------+------------------------------
|
||||
| Sun Nov 16 00:00:00 1997 PST
|
||||
(1 row)
|
||||
|
||||
SELECT '' AS to_timestamp_11, to_timestamp('20000-1116', 'YYYY-MMDD');
|
||||
to_timestamp_11 | to_timestamp
|
||||
-----------------+---------------------------
|
||||
| Thu Nov 16 00:00:00 20000
|
||||
(1 row)
|
||||
|
||||
SELECT '' AS to_timestamp_12, to_timestamp('9-1116', 'Y-MMDD');
|
||||
to_timestamp_12 | to_timestamp
|
||||
-----------------+------------------------------
|
||||
| Mon Nov 16 00:00:00 2009 PST
|
||||
(1 row)
|
||||
|
||||
SELECT '' AS to_timestamp_13, to_timestamp('95-1116', 'YY-MMDD');
|
||||
to_timestamp_13 | to_timestamp
|
||||
-----------------+------------------------------
|
||||
| Thu Nov 16 00:00:00 1995 PST
|
||||
(1 row)
|
||||
|
||||
SELECT '' AS to_timestamp_14, to_timestamp('995-1116', 'YYY-MMDD');
|
||||
to_timestamp_14 | to_timestamp
|
||||
-----------------+------------------------------
|
||||
| Thu Nov 16 00:00:00 1995 PST
|
||||
(1 row)
|
||||
|
||||
SET DateStyle TO DEFAULT;
|
||||
|
|
|
|||
|
|
@ -223,4 +223,16 @@ SELECT '' AS to_timestamp_7, to_timestamp('05121445482000', 'MMDDHHMISSYYYY');
|
|||
|
||||
SELECT '' AS to_timestamp_8, to_timestamp('2000January09Sunday', 'YYYYFMMonthDDFMDay');
|
||||
|
||||
SELECT '' AS to_timestamp_9, to_timestamp('97/Feb/16', 'YYMonDD');
|
||||
|
||||
SELECT '' AS to_timestamp_10, to_timestamp('19971116', 'YYYYMMDD');
|
||||
|
||||
SELECT '' AS to_timestamp_11, to_timestamp('20000-1116', 'YYYY-MMDD');
|
||||
|
||||
SELECT '' AS to_timestamp_12, to_timestamp('9-1116', 'Y-MMDD');
|
||||
|
||||
SELECT '' AS to_timestamp_13, to_timestamp('95-1116', 'YY-MMDD');
|
||||
|
||||
SELECT '' AS to_timestamp_14, to_timestamp('995-1116', 'YYY-MMDD');
|
||||
|
||||
SET DateStyle TO DEFAULT;
|
||||
|
|
|
|||
Loading…
Reference in New Issue